Merge branch 'master' of git://repo.or.cz/alt-git

2026-04-01 20:40:08 +02:00 · 2009-04-27 08:21:23 +02:00
parent a4e51e15d7 be66a6c43d
commit 7204ffd7e0
70 changed files with 402 additions and 216 deletions
--- a/Documentation/RelNotes-1.6.2.4.txt
+++ b/Documentation/RelNotes-1.6.2.4.txt
@@ -7,9 +7,17 @@ Fixes since v1.6.2.3
 * The configuration parser had a buffer overflow while parsing an overlong
  value.

+* pruning reflog entries that are unreachable from the tip of the ref
+  during "git reflog prune" (hence "git gc") was very inefficient.
+
+* "git-add -p" lacked a way to say "q"uit to refuse staging any hunks for
+  the remaining paths.  You had to say "d" and then ^C.
+
 * "git-checkout <tree-ish> <submodule>" did not update the index entry at
  the named path; it now does.

+* "git-fast-export" choked when seeing a tag that does not point at commit.
+
 * "git init" segfaulted when given an overlong template location via
  the --template= option.

@@ -27,5 +35,5 @@ Many small documentation updates are included as well.
 ---
 exec >/var/tmp/1
 echo O=$(git describe maint)
-O=v1.6.2.3-21-ga51609a
+O=v1.6.2.3-38-g318b847
 git shortlog --no-merges $O..maint
--- a/Documentation/RelNotes-1.6.3.txt
+++ b/Documentation/RelNotes-1.6.3.txt
@@ -42,9 +42,6 @@ Updates since v1.6.2
 * many uses of lstat(2) in the codepath for "git checkout" have been
  optimized out.

-* pruning reflog entries that are unreachable from the tip of the ref
-  during "git reflog prune" (hence "git gc") was very inefficient.
-
 (usability, bells and whistles)

 * Boolean configuration variable yes/no can be written as on/off.
@@ -72,16 +69,10 @@ Updates since v1.6.2
  with the 'edit' action in git-add -i/-p, you can abort the editor to
  tell git not to apply it.

-* The number of commits shown in "you are ahead/behind your upstream"
-  messages given by "git checkout" and "git status" used to count merge
-  commits; now it doesn't.
-
 * @{-1} is a new way to refer to the last branch you were on introduced in
  1.6.2, but the initial implementation did not teach this to a few
  commands.  Now the syntax works with "branch -m @{-1} newname".

-* "git-add -p" now supports "q"uit action.
-
 * git-archive learned --output=<file> option.

 * git-archive takes attributes from the tree being archived; strictly
@@ -109,8 +100,6 @@ Updates since v1.6.2
 * git-difftool is now part of the officially supported command, primarily
  maintained by David Aguilar.

-* git-fast-export choked when seeing a tag that does not point at commit.
-
 * git-for-each-ref learned a new "upstream" token.

 * git-format-patch can be told to use attachment with a new configuration,
@@ -163,6 +152,10 @@ Updates since v1.6.2
  knobs you can tweak to work around issues with various versions of the
  docbook-xsl package.  See comments in Documentation/Makefile for details.

+* Support for building and testing a subset of git on a system without a
+  working perl has been improved.
+
+
 Fixes since v1.6.2
 ------------------

@@ -184,6 +177,6 @@ v1.6.2.X series.

 ---
 exec >/var/tmp/1
-O=v1.6.3-rc0-74-g9824a38
+O=v1.6.3-rc2
 echo O=$(git describe master)
 git shortlog --no-merges $O..master ^maint
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -2,15 +2,15 @@ CONFIGURATION FILE
 ------------------

 The git configuration file contains a number of variables that affect
-the git command's behavior. `.git/config` file for each repository
-is used to store the information for that repository, and
-`$HOME/.gitconfig` is used to store per user information to give
-fallback values for `.git/config` file. The file `/etc/gitconfig`
-can be used to store system-wide defaults.
+the git command's behavior. The `.git/config` file in each repository
+is used to store the configuration for that repository, and
+`$HOME/.gitconfig` is used to store a per-user configuration as
+fallback values for the `.git/config` file. The file `/etc/gitconfig`
+can be used to store a system-wide default configuration.

-They can be used by both the git plumbing
-and the porcelains. The variables are divided into sections, where
-in the fully qualified variable name the variable itself is the last
+The configuration variables are used by both the git plumbing
+and the porcelains. The variables are divided into sections, wherein
+the fully qualified variable name of the variable itself is the last
 dot-separated segment and the section name is everything before the last
 dot. The variable names are case-insensitive and only alphanumeric
 characters are allowed. Some variables may appear multiple times.
@@ -26,28 +26,28 @@ The file consists of sections and variables.  A section begins with
 the name of the section in square brackets and continues until the next
 section begins.  Section names are not case sensitive.  Only alphanumeric
 characters, `-` and `.` are allowed in section names.  Each variable
-must belong to some section, which means that there must be section
-header before first setting of a variable.
+must belong to some section, which means that there must be a section
+header before the first setting of a variable.

 Sections can be further divided into subsections.  To begin a subsection
 put its name in double quotes, separated by space from the section name,
-in the section header, like in example below:
+in the section header, like in the example below:

 --------
 	[section "subsection"]

 --------

-Subsection names can contain any characters except newline (doublequote
-`"` and backslash have to be escaped as `\"` and `\\`,
-respectively) and are case sensitive.  Section header cannot span multiple
+Subsection names are case sensitive and can contain any characters except
+newline (doublequote `"` and backslash have to be escaped as `\"` and `\\`,
+respectively).  Section headers cannot span multiple
 lines.  Variables may belong directly to a section or to a given subsection.
 You can have `[section]` if you have `[section "subsection"]`, but you
 don't need to.

-There is also (case insensitive) alternative `[section.subsection]` syntax.
-In this syntax subsection names follow the same restrictions as for section
-name.
+There is also a case insensitive alternative `[section.subsection]` syntax.
+In this syntax, subsection names follow the same restrictions as for section
+names.

 All the other lines are recognized as setting variables, in the form
 'name = value'.  If there is no equal sign on the line, the entire line
@@ -66,10 +66,10 @@ converting value to the canonical form using '--bool' type specifier;
 'git-config' will ensure that the output is "true" or "false".

 String values may be entirely or partially enclosed in double quotes.
-You need to enclose variable value in double quotes if you want to
-preserve leading or trailing whitespace, or if variable value contains
-beginning of comment characters (if it contains '#' or ';').
-Double quote `"` and backslash `\` characters in variable value must
+You need to enclose variable values in double quotes if you want to
+preserve leading or trailing whitespace, or if the variable value contains
+comment characters (i.e. it contains '#' or ';').
+Double quote `"` and backslash `\` characters in variable values must
 be escaped: use `\"` for `"` and `\\` for `\`.

 The following escape sequences (beside `\"` and `\\`) are recognized:
@@ -77,10 +77,10 @@ The following escape sequences (beside `\"` and `\\`) are recognized:
 and `\b` for backspace (BS).  No other char escape sequence, nor octal
 char sequences are valid.

-Variable value ending in a `\` is continued on the next line in the
+Variable values ending in a `\` are continued on the next line in the
 customary UNIX fashion.

-Some variables may require special value format.
+Some variables may require a special value format.

 Example
 ~~~~~~~
@@ -295,8 +295,10 @@ core.sharedRepository::
 	group-shareable. When 'umask' (or 'false'), git will use permissions
 	reported by umask(2). When '0xxx', where '0xxx' is an octal number,
 	files in the repository will have this mode value. '0xxx' will override
-	user's umask value, and thus, users with a safe umask (0077) can use
-	this option. Examples: '0660' is equivalent to 'group'. '0640' is a
+	user's umask value (whereas the other options will only override
+	requested parts of the user's umask value). Examples: '0660' will make
+	the repo read/write-able for the owner and group, but inaccessible to
+	others (equivalent to 'group' unless umask is e.g. '0022'). '0640' is a
 	repository that is group-readable but not group-writable.
 	See linkgit:git-init[1]. False by default.

@@ -427,6 +429,11 @@ relatively high IO latencies.  With this set to 'true', git will do the
 index comparison to the filesystem data in parallel, allowing
 overlapping IO's.

+core.unreliableHardlinks::
+	Some filesystem drivers cannot properly handle hardlinking a file
+	and deleting the source right away.  In such a case, you need to
+	set this config variable to 'true'.
+
 alias.*::
 	Command aliases for the linkgit:git[1] command wrapper - e.g.
 	after defining "alias.last = cat-file commit HEAD", the invocation
@@ -705,6 +712,13 @@ fetch.unpackLimit::
 	especially on slow filesystems.  If not set, the value of
 	`transfer.unpackLimit` is used instead.

+format.attach::
+	Enable multipart/mixed attachments as the default for
+	'format-patch'.  The value can also be a double quoted string
+	which will enable attachments as the default and set the
+	value as the boundary.  See the --attach option in
+	linkgit:git-format-patch[1].
+
 format.numbered::
 	A boolean which can enable or disable sequence numbers in patch
 	subjects.  It defaults to "auto" which enables it only if there
@@ -716,6 +730,14 @@ format.headers::
 	Additional email headers to include in a patch to be submitted
 	by mail.  See linkgit:git-format-patch[1].

+format.cc::
+	Additional "Cc:" headers to include in a patch to be submitted
+	by mail.  See the --cc option in linkgit:git-format-patch[1].
+
+format.subjectprefix::
+	The default for format-patch is to output files with the '[PATCH]'
+	subject prefix. Use this variable to change that prefix.
+
 format.suffix::
 	The default for format-patch is to output files with the suffix
 	`.patch`. Use this variable to change that suffix (make sure to
@@ -728,11 +750,11 @@ format.pretty::

 format.thread::
 	The default threading style for 'git-format-patch'.  Can be
-	either a boolean value, `shallow` or `deep`.  'Shallow'
+	either a boolean value, `shallow` or `deep`.  `shallow`
 	threading makes every mail a reply to the head of the series,
 	where the head is chosen from the cover letter, the
 	`\--in-reply-to`, and the first patch mail, in this order.
-	'Deep' threading makes every mail a reply to the previous one.
+	`deep` threading makes every mail a reply to the previous one.
 	A true boolean value is the same as `shallow`, and a false
 	value disables threading.

--- a/Documentation/git-clean.txt
+++ b/Documentation/git-clean.txt
@@ -12,14 +12,17 @@ SYNOPSIS

 DESCRIPTION
 -----------
-Removes files unknown to git.  This allows to clean the working tree
-from files that are not under version control.  If the '-x' option is
-specified, ignored files are also removed, allowing to remove all
-build products.
+
+This allows cleaning the working tree by removing files that are not
+under version control.
+
+Normally, only files unknown to git are removed, but if the '-x'
+option is specified, ignored files are also removed. This can, for
+example, be useful to remove all build products.
+
 If any optional `<path>...` arguments are given, only those paths
 are affected.

-
 OPTIONS
 -------
 -d::
--- a/Documentation/git-cvsimport.txt
+++ b/Documentation/git-cvsimport.txt
@@ -196,7 +196,7 @@ Problems related to tags:

 If you suspect that any of these issues may apply to the repository you
 want to import consider using these alternative tools which proved to be
-more stable in practise:
+more stable in practice:

 * cvs2git (part of cvs2svn), `http://cvs2svn.tigris.org`
 * parsecvs, `http://cgit.freedesktop.org/~keithp/parsecvs`
--- a/Documentation/git-format-patch.txt
+++ b/Documentation/git-format-patch.txt
@@ -9,10 +9,10 @@ git-format-patch - Prepare patches for e-mail submission
 SYNOPSIS
 --------
 [verse]
-'git format-patch' [-k] [-o <dir> | --stdout] [--thread]
-		   [--attach[=<boundary>] | --inline[=<boundary>] |
-		     [--no-attach]]
-		   [-s | --signoff] [<common diff options>]
+'git format-patch' [-k] [(-o|--output-directory) <dir> | --stdout]
+		   [--thread[=<style>]]
+		   [(--attach|--inline)[=<boundary>] | --no-attach]
+		   [-s | --signoff]
 		   [-n | --numbered | -N | --no-numbered]
 		   [--start-number <n>] [--numbered-files]
 		   [--in-reply-to=Message-Id] [--suffix=.<sfx>]
@@ -20,6 +20,7 @@ SYNOPSIS
 		   [--subject-prefix=Subject-Prefix]
 		   [--cc=<email>]
 		   [--cover-letter]
+		   [<common diff options>]
 		   [ <since> | <revision range> ]

 DESCRIPTION
@@ -128,9 +129,9 @@ include::diff-options.txt[]
 	the Message-Id header to reference.
 +
 The optional <style> argument can be either `shallow` or `deep`.
-'Shallow' threading makes every mail a reply to the head of the
+'shallow' threading makes every mail a reply to the head of the
 series, where the head is chosen from the cover letter, the
-`\--in-reply-to`, and the first patch mail, in this order.  'Deep'
+`\--in-reply-to`, and the first patch mail, in this order.  'deep'
 threading makes every mail a reply to the previous one.  If not
 specified, defaults to the 'format.thread' configuration, or `shallow`
 if that is not set.
@@ -170,18 +171,17 @@ if that is not set.
 --suffix=.<sfx>::
 	Instead of using `.patch` as the suffix for generated
 	filenames, use specified suffix.  A common alternative is
-	`--suffix=.txt`.
+	`--suffix=.txt`.  Leaving this empty will remove the `.patch`
+	suffix.
 +
-Note that you would need to include the leading dot `.` if you
-want a filename like `0001-description-of-my-change.patch`, and
-the first letter does not have to be a dot.  Leaving it empty would
-not add any suffix.
+Note that the leading character does not have to be a dot; for example,
+you can use `--suffix=-patch` to get `0001-description-of-my-change-patch`.

 --no-binary::
-	Don't output contents of changes in binary files, just take note
-	that they differ.  Note that this disable the patch to be properly
-	applied.  By default the contents of changes in those files are
-	encoded in the patch.
+	Do not output contents of changes in binary files, instead
+	display a notice that those files changed.  Patches generated
+	using this option cannot be applied properly, but they are
+	still useful for code review.

 --root::
 	Treat the revision argument as a <revision range>, even if it
@@ -192,10 +192,10 @@ not add any suffix.

 CONFIGURATION
 -------------
-You can specify extra mail header lines to be added to each message
-in the repository configuration, new defaults for the subject prefix
-and file suffix, control attachements, and number patches when outputting
-more than one.
+You can specify extra mail header lines to be added to each message,
+defaults for the subject prefix and file suffix, number patches when
+outputting more than one patch, add "Cc:" headers, configure attachments,
+and sign off patches with configuration variables.

 ------------
 [format]
@@ -243,8 +243,8 @@ $ git format-patch -M -B origin
 +
 Additionally, it detects and handles renames and complete rewrites
 intelligently to produce a renaming patch.  A renaming patch reduces
-the amount of text output, and generally makes it easier to review it.
-Note that the "patch" program does not understand renaming patches, so
+the amount of text output, and generally makes it easier to review.
+Note that non-git "patch" programs won't understand renaming patches, so
 use it only when you know the recipient uses git to apply your patch.

 * Extract three topmost commits from the current branch and format them
--- a/Documentation/git-init.txt
+++ b/Documentation/git-init.txt
@@ -54,15 +54,21 @@ is given:

 - 'group' (or 'true'): Make the repository group-writable, (and g+sx, since
   the git group may be not the primary group of all users).
+   This is used to loosen the permissions of an otherwise safe umask(2) value.
+   Note that the umask still applies to the other permission bits (e.g. if
+   umask is '0022', using 'group' will not remove read privileges from other
+   (non-group) users). See '0xxx' for how to exactly specify the repository
+   permissions.

 - 'all' (or 'world' or 'everybody'): Same as 'group', but make the repository
   readable by all users.

- - '0xxx': '0xxx' is an octal number and each file will have mode '0xxx'
-   Any option except 'umask' can be set using this option. '0xxx' will
-   override users umask(2) value, and thus, users with a safe umask (0077)
-   can use this option. '0640' will create a repository which is group-readable
-   but not writable. '0660' is equivalent to 'group'.
+ - '0xxx': '0xxx' is an octal number and each file will have mode '0xxx'.
+   '0xxx' will override users' umask(2) value (and not only loosen permissions
+   as 'group' and 'all' does). '0640' will create a repository which is
+   group-readable, but not group-writable or accessible to others. '0660' will
+   create a repo that is readable and writable to the current user and group,
+   but inaccessible to others.

 By default, the configuration flag receive.denyNonFastForwards is enabled
 in shared repositories, so that you cannot force a non fast-forwarding push
--- a/Documentation/git-send-email.txt
+++ b/Documentation/git-send-email.txt
@@ -262,7 +262,7 @@ sendemail.aliasesfile::

 sendemail.aliasfiletype::
 	Format of the file(s) specified in sendemail.aliasesfile. Must be
-	one of 'mutt', 'mailrc', 'pine', or 'gnus'.
+	one of 'mutt', 'mailrc', 'pine', 'elm', or 'gnus'.

 sendemail.multiedit::
 	If true (default), a single editor instance will be spawned to edit
--- a/Documentation/git-show-branch.txt
+++ b/Documentation/git-show-branch.txt
@@ -148,9 +148,10 @@ $ git show-branch master fixes mhf
 ------------------------------------------------

 These three branches all forked from a common commit, [master],
-whose commit message is "Add 'git show-branch'.  "fixes" branch
-adds one commit 'Introduce "reset type"'.  "mhf" branch has many
-other commits.  The current branch is "master".
+whose commit message is "Add \'git show-branch\'". The "fixes"
+branch adds one commit "Introduce "reset type" flag to "git reset"".
+The "mhf" branch adds many other commits. The current branch
+is "master".


 EXAMPLE
--- a/Documentation/git-svn.txt
+++ b/Documentation/git-svn.txt
@@ -693,9 +693,9 @@ listed below are allowed:
 	tags = tags/*/project-a:refs/remotes/project-a/tags/*
 ------------------------------------------------------------------------

-Keep in mind that the '*' (asterisk) wildcard of the local ref
+Keep in mind that the '\*' (asterisk) wildcard of the local ref
 (right of the ':') *must* be the farthest right path component;
-however the remote wildcard may be anywhere as long as it's own
+however the remote wildcard may be anywhere as long as it's an
 independent path component (surrounded by '/' or EOL).   This
 type of configuration is not automatically created by 'init' and
 should be manually entered with a text-editor or using 'git-config'.
--- a/Documentation/git-update-server-info.txt
+++ b/Documentation/git-update-server-info.txt
@@ -39,12 +39,6 @@ what they are for:
 * info/refs


-BUGS
----
-When you remove an existing ref, the command fails to update
-info/refs file unless `--force` flag is given.
-
-
 Author
 ------
 Written by Junio C Hamano <gitster@pobox.com>
--- a/Documentation/gitcvs-migration.txt
+++ b/Documentation/gitcvs-migration.txt
@@ -118,7 +118,7 @@ Importing a CVS archive
 First, install version 2.1 or higher of cvsps from
 link:http://www.cobite.com/cvsps/[http://www.cobite.com/cvsps/] and make
 sure it is in your path.  Then cd to a checked out CVS working directory
-of the project you are interested in and run 'git-cvsimport':
+of the project you are interested in and run linkgit:git-cvsimport[1]:

 -------------------------------------------
 $ git cvsimport -C <destination> <module>
--- a/21
+++ b/21
@@ -167,6 +167,14 @@ all::
 # Define NO_EXTERNAL_GREP if you don't want "git grep" to ever call
 # your external grep (e.g., if your system lacks grep, if its grep is
 # broken, or spawning external process is slower than built-in grep git has).
+#
+# Define UNRELIABLE_FSTAT if your system's fstat does not return the same
+# information on a not yet closed file that lstat would return for the same
+# file after it was closed.
+#
+# Define UNRELIABLE_HARDLINKS if your operating systems has problems when
+# hardlinking a file to another name and unlinking the original file right
+# away (some NTFS drivers seem to zero the contents in that scenario).

 GIT-VERSION-FILE: .FORCE-GIT-VERSION-FILE
 	@$(SHELL_PATH) ./GIT-VERSION-GEN
@@ -320,7 +328,6 @@ EXTRA_PROGRAMS =
 # ... and all the rest that could be moved out of bindir to gitexecdir
 PROGRAMS += $(EXTRA_PROGRAMS)
 PROGRAMS += git-fast-import$X
-PROGRAMS += git-fetch-pack$X
 PROGRAMS += git-hash-object$X
 PROGRAMS += git-index-pack$X
 PROGRAMS += git-merge-index$X
@@ -329,7 +336,6 @@ PROGRAMS += git-mktag$X
 PROGRAMS += git-mktree$X
 PROGRAMS += git-pack-redundant$X
 PROGRAMS += git-patch-id$X
-PROGRAMS += git-send-pack$X
 PROGRAMS += git-shell$X
 PROGRAMS += git-show-index$X
 PROGRAMS += git-unpack-file$X
@@ -806,6 +812,7 @@ ifeq ($(uname_S),HP-UX)
 endif
 ifneq (,$(findstring CYGWIN,$(uname_S)))
 	COMPAT_OBJS += compat/cygwin.o
+	UNRELIABLE_FSTAT = UnfortunatelyYes
 endif
 ifneq (,$(findstring MINGW,$(uname_S)))
 	pathsep = ;
@@ -833,6 +840,8 @@ ifneq (,$(findstring MINGW,$(uname_S)))
 	NO_ST_BLOCKS_IN_STRUCT_STAT = YesPlease
 	NO_NSEC = YesPlease
 	USE_WIN32_MMAP = YesPlease
+	UNRELIABLE_FSTAT = UnfortunatelyYes
+	UNRELIABLE_HARDLINKS = UnfortunatelySometimes
 	COMPAT_CFLAGS += -D__USE_MINGW_ACCESS -DNOGDI -Icompat -Icompat/regex -Icompat/fnmatch
 	COMPAT_CFLAGS += -DSNPRINTF_SIZE_CORR=1
 	COMPAT_CFLAGS += -DSTRIP_EXTENSION=\".exe\"
@@ -1016,6 +1025,9 @@ else
 		COMPAT_OBJS += compat/win32mmap.o
 	endif
 endif
+ifdef UNRELIABLE_HARDLINKS
+	COMPAT_CFLAGS += -DUNRELIABLE_HARDLINKS=1
+endif
 ifdef NO_PREAD
 	COMPAT_CFLAGS += -DNO_PREAD
 	COMPAT_OBJS += compat/pread.o
@@ -1111,6 +1123,9 @@ endif
 ifdef NO_EXTERNAL_GREP
 	BASIC_CFLAGS += -DNO_EXTERNAL_GREP
 endif
+ifdef UNRELIABLE_FSTAT
+	BASIC_CFLAGS += -DUNRELIABLE_FSTAT
+endif

 ifeq ($(TCLTK_PATH),)
 NO_TCLTK=NoThanks
@@ -1524,7 +1539,9 @@ install: all
 	$(INSTALL) $(ALL_PROGRAMS) '$(DESTDIR_SQ)$(gitexec_instdir_SQ)'
 	$(INSTALL) git$X git-upload-pack$X git-receive-pack$X git-upload-archive$X git-shell$X git-cvsserver '$(DESTDIR_SQ)$(bindir_SQ)'
 	$(MAKE) -C templates DESTDIR='$(DESTDIR_SQ)' install
+ifndef NO_PERL
 	$(MAKE) -C perl prefix='$(prefix_SQ)' DESTDIR='$(DESTDIR_SQ)' install
+endif
 ifndef NO_TCLTK
 	$(MAKE) -C gitk-git install
 	$(MAKE) -C git-gui gitexecdir='$(gitexec_instdir_SQ)' install
--- a/builtin-checkout.c
+++ b/builtin-checkout.c
@@ -5,6 +5,7 @@
 #include "commit.h"
 #include "tree.h"
 #include "tree-walk.h"
+#include "cache-tree.h"
 #include "unpack-trees.h"
 #include "dir.h"
 #include "run-command.h"
@@ -178,7 +179,7 @@ static int checkout_merged(int pos, struct checkout *state)
 	/*
 	 * NEEDSWORK:
 	 * There is absolutely no reason to write this as a blob object
-	 * and create a phoney cache entry just to leak.  This hack is
+	 * and create a phony cache entry just to leak.  This hack is
 	 * primarily to get to the write_entry() machinery that massages
 	 * the contents to work-tree format and writes out which only
 	 * allows it for a cache entry.  The code in write_entry() needs
@@ -364,14 +365,17 @@ static int merge_working_tree(struct checkout_opts *opts,
 	int ret;
 	struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
 	int newfd = hold_locked_index(lock_file, 1);
+	int reprime_cache_tree = 0;

 	if (read_cache() < 0)
 		return error("corrupt index file");

+	cache_tree_free(&active_cache_tree);
 	if (opts->force) {
 		ret = reset_tree(new->commit->tree, opts, 1);
 		if (ret)
 			return ret;
+		reprime_cache_tree = 1;
 	} else {
 		struct tree_desc trees[2];
 		struct tree *tree;
@@ -407,7 +411,9 @@ static int merge_working_tree(struct checkout_opts *opts,
 		init_tree_desc(&trees[1], tree->buffer, tree->size);

 		ret = unpack_trees(2, trees, &topts);
-		if (ret == -1) {
+		if (ret != -1) {
+			reprime_cache_tree = 1;
+		} else {
 			/*
 			 * Unpack couldn't do a trivial merge; either
 			 * give up or do a real merge, depending on
@@ -451,6 +457,8 @@ static int merge_working_tree(struct checkout_opts *opts,
 		}
 	}

+	if (reprime_cache_tree)
+		prime_cache_tree(&active_cache_tree, new->commit->tree);
 	if (write_cache(newfd, active_cache, active_nr) ||
 	    commit_locked_index(lock_file))
 		die("unable to write new index file");
--- a/builtin-grep.c
+++ b/builtin-grep.c
@@ -26,16 +26,13 @@ static int grep_config(const char *var, const char *value, void *cb)
 {
 	struct grep_opt *opt = cb;

-	if (!strcmp(var, "grep.color") || !strcmp(var, "color.grep")) {
+	if (!strcmp(var, "color.grep")) {
 		opt->color = git_config_colorbool(var, value, -1);
 		return 0;
 	}
-	if (!strcmp(var, "grep.color.external") ||
-	    !strcmp(var, "color.grep.external")) {
+	if (!strcmp(var, "color.grep.external"))
 		return git_config_string(&(opt->color_external), var, value);
-	}
-	if (!strcmp(var, "grep.color.match") ||
-	    !strcmp(var, "color.grep.match")) {
+	if (!strcmp(var, "color.grep.match")) {
 		if (!value)
 			return config_error_nonbool(var);
 		color_parse(value, var, opt->color_match);
--- a/builtin-help.c
+++ b/builtin-help.c
@@ -236,7 +236,7 @@ static int add_man_viewer_info(const char *var, const char *value)
 	const char *subkey = strrchr(name, '.');

 	if (!subkey)
-		return error("Config with no key for man viewer: %s", name);
+		return 0;

 	if (!strcmp(subkey, ".path")) {
 		if (!value)
@@ -249,7 +249,6 @@ static int add_man_viewer_info(const char *var, const char *value)
 		return add_man_viewer_cmd(name, subkey - name, value);
 	}

-	warning("'%s': unsupported man viewer sub key.", subkey);
 	return 0;
 }

--- a/builtin-ls-files.c
+++ b/builtin-ls-files.c
@@ -512,7 +512,7 @@ int cmd_ls_files(int argc, const char **argv, const char *prefix)

 	pathspec = get_pathspec(prefix, argv);

-	/* be nice with submodule patsh ending in a slash */
+	/* be nice with submodule paths ending in a slash */
 	read_cache();
 	if (pathspec)
 		strip_trailing_slash_from_submodules();
--- a/builtin-pack-objects.c
+++ b/builtin-pack-objects.c
@@ -293,7 +293,7 @@ static unsigned long write_object(struct sha1file *f,
 				die("unable to read %s", sha1_to_hex(entry->idx.sha1));
 			/*
 			 * make sure no cached delta data remains from a
-			 * previous attempt before a pack split occured.
+			 * previous attempt before a pack split occurred.
 			 */
 			free(entry->delta_data);
 			entry->delta_data = NULL;
--- a/builtin-read-tree.c
+++ b/builtin-read-tree.c
@@ -29,41 +29,6 @@ static int list_tree(unsigned char *sha1)
 	return 0;
 }

-static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree)
-{
-	struct tree_desc desc;
-	struct name_entry entry;
-	int cnt;
-
-	hashcpy(it->sha1, tree->object.sha1);
-	init_tree_desc(&desc, tree->buffer, tree->size);
-	cnt = 0;
-	while (tree_entry(&desc, &entry)) {
-		if (!S_ISDIR(entry.mode))
-			cnt++;
-		else {
-			struct cache_tree_sub *sub;
-			struct tree *subtree = lookup_tree(entry.sha1);
-			if (!subtree->object.parsed)
-				parse_tree(subtree);
-			sub = cache_tree_sub(it, entry.path);
-			sub->cache_tree = cache_tree();
-			prime_cache_tree_rec(sub->cache_tree, subtree);
-			cnt += sub->cache_tree->entry_count;
-		}
-	}
-	it->entry_count = cnt;
-}
-
-static void prime_cache_tree(void)
-{
-	if (!nr_trees)
-		return;
-	active_cache_tree = cache_tree();
-	prime_cache_tree_rec(active_cache_tree, trees[0]);
-
-}
-
 static const char read_tree_usage[] = "git read-tree (<sha> | [[-m [--trivial] [--aggressive] | --reset | --prefix=<prefix>] [-u | -i]] [--exclude-per-directory=<gitignore>] [--index-output=<file>] <sha1> [<sha2> [<sha3>]])";

 static struct lock_file lock_file;
@@ -211,7 +176,6 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
 		case 3:
 		default:
 			opts.fn = threeway_merge;
-			cache_tree_free(&active_cache_tree);
 			break;
 		}

@@ -221,6 +185,7 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
 			opts.head_idx = 1;
 	}

+	cache_tree_free(&active_cache_tree);
 	for (i = 0; i < nr_trees; i++) {
 		struct tree *tree = trees[i];
 		parse_tree(tree);
@@ -234,11 +199,14 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
 	 * "-m ent" or "--reset ent" form), we can obtain a fully
 	 * valid cache-tree because the index must match exactly
 	 * what came from the tree.
+	 *
+	 * The same holds true if we are switching between two trees
+	 * using read-tree -m A B.  The index must match B after that.
 	 */
-	if (nr_trees && !opts.prefix && (!opts.merge || (stage == 2))) {
-		cache_tree_free(&active_cache_tree);
-		prime_cache_tree();
-	}
+	if (nr_trees == 1 && !opts.prefix)
+		prime_cache_tree(&active_cache_tree, trees[0]);
+	else if (nr_trees == 2 && opts.merge)
+		prime_cache_tree(&active_cache_tree, trees[1]);

 	if (write_cache(newfd, active_cache, active_nr) ||
 	    commit_locked_index(&lock_file))
--- a/builtin-reflog.c
+++ b/builtin-reflog.c
@@ -240,10 +240,10 @@ static int unreachable(struct expire_reflog_cb *cb, struct commit *commit, unsig
 static void mark_reachable(struct commit *commit, unsigned long expire_limit)
 {
 	/*
-	 * We need to compute if commit on either side of an reflog
+	 * We need to compute whether the commit on either side of a reflog
 	 * entry is reachable from the tip of the ref for all entries.
 	 * Mark commits that are reachable from the tip down to the
-	 * time threashold first; we know a commit marked thusly is
+	 * time threshold first; we know a commit marked thusly is
 	 * reachable from the tip without running in_merge_bases()
 	 * at all.
 	 */
--- a/builtin-remote.c
+++ b/builtin-remote.c
@@ -1216,7 +1216,7 @@ static int update(int argc, const char **argv)
 	struct option options[] = {
 		OPT_GROUP("update specific options"),
 		OPT_BOOLEAN('p', "prune", &prune,
-			    "prune remotes after fecthing"),
+			    "prune remotes after fetching"),
 		OPT_END()
 	};

--- a/builtin-reset.c
+++ b/builtin-reset.c
@@ -228,7 +228,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
 		}
 		/*
 		 * Otherwise, argv[i] could be either <rev> or <paths> and
-		 * has to be unambigous.
+		 * has to be unambiguous.
 		 */
 		else if (!get_sha1(argv[i], sha1)) {
 			/*
--- a/cache-tree.c
+++ b/cache-tree.c
@@ -1,5 +1,6 @@
 #include "cache.h"
 #include "tree.h"
+#include "tree-walk.h"
 #include "cache-tree.h"

 #ifndef DEBUG
@@ -591,3 +592,36 @@ int write_cache_as_tree(unsigned char *sha1, int missing_ok, const char *prefix)

 	return 0;
 }
+
+static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree)
+{
+	struct tree_desc desc;
+	struct name_entry entry;
+	int cnt;
+
+	hashcpy(it->sha1, tree->object.sha1);
+	init_tree_desc(&desc, tree->buffer, tree->size);
+	cnt = 0;
+	while (tree_entry(&desc, &entry)) {
+		if (!S_ISDIR(entry.mode))
+			cnt++;
+		else {
+			struct cache_tree_sub *sub;
+			struct tree *subtree = lookup_tree(entry.sha1);
+			if (!subtree->object.parsed)
+				parse_tree(subtree);
+			sub = cache_tree_sub(it, entry.path);
+			sub->cache_tree = cache_tree();
+			prime_cache_tree_rec(sub->cache_tree, subtree);
+			cnt += sub->cache_tree->entry_count;
+		}
+	}
+	it->entry_count = cnt;
+}
+
+void prime_cache_tree(struct cache_tree **it, struct tree *tree)
+{
+	cache_tree_free(it);
+	*it = cache_tree();
+	prime_cache_tree_rec(*it, tree);
+}
--- a/cache-tree.h
+++ b/cache-tree.h
@@ -1,6 +1,8 @@
 #ifndef CACHE_TREE_H
 #define CACHE_TREE_H

+#include "tree.h"
+
 struct cache_tree;
 struct cache_tree_sub {
 	struct cache_tree *cache_tree;
@@ -33,4 +35,6 @@ int cache_tree_update(struct cache_tree *, struct cache_entry **, int, int, int)
 #define WRITE_TREE_PREFIX_ERROR (-3)

 int write_cache_as_tree(unsigned char *sha1, int missing_ok, const char *prefix);
+void prime_cache_tree(struct cache_tree **, struct tree *);
+
 #endif
--- a/cache.h
+++ b/cache.h
@@ -554,6 +554,8 @@ extern enum branch_track git_branch_track;
 extern enum rebase_setup_type autorebase;
 extern enum push_default_type push_default;

+extern int unreliable_hardlinks;
+
 #define GIT_REPO_VERSION 0
 extern int repository_format_version;
 extern int check_repository_format(void);
--- a/compat/cygwin.c
+++ b/compat/cygwin.c
@@ -89,10 +89,10 @@ static int cygwin_stat(const char *path, struct stat *buf)
 /*
 * At start up, we are trying to determine whether Win32 API or cygwin stat
 * functions should be used. The choice is determined by core.ignorecygwinfstricks.
- * Reading this option is not always possible immediately as git_dir may be
+ * Reading this option is not always possible immediately as git_dir may
 * not be set yet. So until it is set, use cygwin lstat/stat functions.
 * However, if core.filemode is set, we must use the Cygwin posix
- * stat/lstat as the Windows stat fuctions do not determine posix filemode.
+ * stat/lstat as the Windows stat functions do not determine posix filemode.
 *
 * Note that git_cygwin_config() does NOT call git_default_config() and this
 * is deliberate.  Many commands read from config to establish initial
--- a/compat/fnmatch/fnmatch.c
+++ b/compat/fnmatch/fnmatch.c
@@ -39,7 +39,7 @@
 # include <stdlib.h>
 #endif

-/* For platform which support the ISO C amendement 1 functionality we
+/* For platforms which support the ISO C amendment 1 functionality we
   support user defined character classes.  */
 #if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
 /* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>.  */
@@ -90,7 +90,7 @@

 # if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
 /* The GNU C library provides support for user-defined character classes
-   and the functions from ISO C amendement 1.  */
+   and the functions from ISO C amendment 1.  */
 #  ifdef CHARCLASS_NAME_MAX
 #   define CHAR_CLASS_MAX_LENGTH CHARCLASS_NAME_MAX
 #  else
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -396,7 +396,7 @@ repeat:
 		 * its own input data to become available. But since
 		 * the process (pack-objects) is itself CPU intensive,
 		 * it will happily pick up the time slice that we are
-		 * relinguishing here.
+		 * relinquishing here.
 		 */
 		Sleep(0);
 		goto repeat;
@@ -934,7 +934,9 @@ int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz)
 #undef rename
 int mingw_rename(const char *pold, const char *pnew)
 {
-	DWORD attrs;
+	DWORD attrs, gle;
+	int tries = 0;
+	static const int delay[] = { 0, 1, 10, 20, 40 };

 	/*
 	 * Try native rename() first to get errno right.
@@ -944,10 +946,12 @@ int mingw_rename(const char *pold, const char *pnew)
 		return 0;
 	if (errno != EEXIST)
 		return -1;
+repeat:
 	if (MoveFileEx(pold, pnew, MOVEFILE_REPLACE_EXISTING))
 		return 0;
 	/* TODO: translate more errors */
-	if (GetLastError() == ERROR_ACCESS_DENIED &&
+	gle = GetLastError();
+	if (gle == ERROR_ACCESS_DENIED &&
 	    (attrs = GetFileAttributes(pnew)) != INVALID_FILE_ATTRIBUTES) {
 		if (attrs & FILE_ATTRIBUTE_DIRECTORY) {
 			errno = EISDIR;
@@ -957,10 +961,23 @@ int mingw_rename(const char *pold, const char *pnew)
 		    SetFileAttributes(pnew, attrs & ~FILE_ATTRIBUTE_READONLY)) {
 			if (MoveFileEx(pold, pnew, MOVEFILE_REPLACE_EXISTING))
 				return 0;
+			gle = GetLastError();
 			/* revert file attributes on failure */
 			SetFileAttributes(pnew, attrs);
 		}
 	}
+	if (tries < ARRAY_SIZE(delay) && gle == ERROR_ACCESS_DENIED) {
+		/*
+		 * We assume that some other process had the source or
+		 * destination file open at the wrong moment and retry.
+		 * In order to give the other process a higher chance to
+		 * complete its operation, we give up our time slice now.
+		 * If we have to retry again, we do sleep a bit.
+		 */
+		Sleep(delay[tries]);
+		tries++;
+		goto repeat;
+	}
 	errno = EACCES;
 	return -1;
 }
--- a/compat/regex/regex.c
+++ b/compat/regex/regex.c
@@ -1043,7 +1043,7 @@ regex_compile (pattern, size, syntax, bufp)
     they can be reliably used as array indices.  */
  register unsigned char c, c1;

-  /* A random tempory spot in PATTERN.  */
+  /* A random temporary spot in PATTERN.  */
  const char *p1;

  /* Points to the end of the buffer, where we should append.  */
@@ -1796,7 +1796,7 @@ regex_compile (pattern, size, syntax, bufp)
 		    we're all done, the pattern will look like:
 		      set_number_at <jump count> <upper bound>
 		      set_number_at <succeed_n count> <lower bound>
-		      succeed_n <after jump addr> <succed_n count>
+		      succeed_n <after jump addr> <succeed_n count>
 		      <body of loop>
 		      jump_n <succeed_n addr> <jump count>
 		    (The upper bound and `jump_n' are omitted if
--- a/config.c
+++ b/config.c
@@ -495,6 +495,11 @@ static int git_default_core_config(const char *var, const char *value)
 		return 0;
 	}

+	if (!strcmp(var, "core.unreliablehardlinks")) {
+		unreliable_hardlinks = git_config_bool(var, value);
+		return 0;
+	}
+
 	/* Add other config variables here and to Documentation/config.txt. */
 	return 0;
 }
--- a/connect.c
+++ b/connect.c
@@ -177,18 +177,11 @@ static enum protocol get_protocol(const char *name)

 static const char *ai_name(const struct addrinfo *ai)
 {
-	static char addr[INET_ADDRSTRLEN];
-	if ( AF_INET == ai->ai_family ) {
-		struct sockaddr_in *in;
-		in = (struct sockaddr_in *)ai->ai_addr;
-		inet_ntop(ai->ai_family, &in->sin_addr, addr, sizeof(addr));
-	} else if ( AF_INET6 == ai->ai_family ) {
-		struct sockaddr_in6 *in;
-		in = (struct sockaddr_in6 *)ai->ai_addr;
-		inet_ntop(ai->ai_family, &in->sin6_addr, addr, sizeof(addr));
-	} else {
+	static char addr[NI_MAXHOST];
+	if (getnameinfo(ai->ai_addr, ai->ai_addrlen, addr, sizeof(addr), NULL, 0,
+			NI_NUMERICHOST) != 0)
 		strcpy(addr, "(unknown)");
-	}
+
 	return addr;
 }

--- a/contrib/thunderbird-patch-inline/README
+++ b/contrib/thunderbird-patch-inline/README
@@ -1,12 +1,12 @@
 appp.sh is a script that is supposed to be used together with ExternalEditor
-for Mozilla Thundebird. It will let you include patches inline in e-mails
+for Mozilla Thunderbird. It will let you include patches inline in e-mails
 in an easy way.

 Usage:
 - Generate the patch with git format-patch.
 - Start writing a new e-mail in Thunderbird.
 - Press the external editor button (or Ctrl-E) to run appp.sh
- Select the previosly generated patch file.
+- Select the previously generated patch file.
 - Finish editing the e-mail.

 Any text that is entered into the message editor before appp.sh is called
--- a/diffcore-rename.c
+++ b/diffcore-rename.c
@@ -267,7 +267,7 @@ static int find_identical_files(struct file_similarity *src,
 			int score;
 			struct diff_filespec *source = p->filespec;

-			/* False hash collission? */
+			/* False hash collision? */
 			if (hashcmp(source->sha1, target->sha1))
 				continue;
 			/* Non-regular files? If so, the modes must match! */
--- a/entry.c
+++ b/entry.c
@@ -147,7 +147,8 @@ static int write_entry(struct cache_entry *ce, char *path, const struct checkout

 		wrote = write_in_full(fd, new, size);
 		/* use fstat() only when path == ce->name */
-		if (state->refresh_cache && !to_tempfile && !state->base_dir_len) {
+		if (fstat_is_reliable() &&
+		    state->refresh_cache && !to_tempfile && !state->base_dir_len) {
 			fstat(fd, &st);
 			fstat_done = 1;
 		}
--- a/environment.c
+++ b/environment.c
@@ -43,6 +43,10 @@ unsigned whitespace_rule_cfg = WS_DEFAULT_RULE;
 enum branch_track git_branch_track = BRANCH_TRACK_REMOTE;
 enum rebase_setup_type autorebase = AUTOREBASE_NEVER;
 enum push_default_type push_default = PUSH_DEFAULT_UNSPECIFIED;
+#ifndef UNRELIABLE_HARDLINKS
+#define UNRELIABLE_HARDLINKS 0
+#endif
+int unreliable_hardlinks = UNRELIABLE_HARDLINKS;

 /* Parallel index stat data preload? */
 int core_preload_index = 0;
--- a/fast-import.c
+++ b/fast-import.c
@@ -76,7 +76,7 @@ Format of STDIN stream:
    delim lf;

     # note: declen indicates the length of binary_data in bytes.
-     # declen does not include the lf preceeding the binary data.
+     # declen does not include the lf preceding the binary data.
     #
  exact_data ::= 'data' sp declen lf
    binary_data;
@@ -133,8 +133,8 @@ Format of STDIN stream:
     # always escapes the related input from comment processing.
     #
     # In case it is not clear, the '#' that starts the comment
-     # must be the first character on that the line (an lf have
-     # preceeded it).
+     # must be the first character on that line (an lf
+     # preceded it).
     #
  comment ::= '#' not_lf* lf;
  not_lf  ::= # Any byte that is not ASCII newline (LF);
@@ -953,7 +953,7 @@ static void end_packfile(void)
 		close(pack_data->pack_fd);
 		idx_name = keep_pack(create_index());

-		/* Register the packfile with core git's machinary. */
+		/* Register the packfile with core git's machinery. */
 		new_p = add_packed_git(idx_name, strlen(idx_name), 1);
 		if (!new_p)
 			die("core git rejected index %s", idx_name);
--- a/fsck.h
+++ b/fsck.h
@@ -23,7 +23,7 @@ int fsck_error_function(struct object *obj, int type, const char *fmt, ...);
 * the return value is:
 *    -1	error in processing the object
 *    <0	return value of the callback, which lead to an abort
- *    >0	return value of the first sigaled error >0 (in the case of no other errors)
+ *    >0	return value of the first signaled error >0 (in the case of no other errors)
 *    0		everything OK
 */
 int fsck_walk(struct object *obj, fsck_walk_func walk, void *data);
--- a/git-add--interactive.perl
+++ b/git-add--interactive.perl
@@ -1049,7 +1049,7 @@ sub patch_update_file {
 		}
 		print colored $prompt_color, 'Stage ',
 		  ($hunk[$ix]{TYPE} eq 'mode' ? 'mode change' : 'this hunk'),
-		  " [y,n,a,d,/$other,?]? ";
+		  " [y,n,q,a,d,/$other,?]? ";
 		my $line = prompt_single_character;
 		if ($line) {
 			if ($line =~ /^y/i) {
--- a/git-am.sh
+++ b/git-am.sh
@@ -571,7 +571,7 @@ do
 			GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"
 			export GIT_COMMITTER_DATE
 		fi &&
-		git commit-tree $tree ${parent:+-p $parent} <"$dotest/final-commit"
+		git commit-tree $tree ${parent:+-p} $parent <"$dotest/final-commit"
 	) &&
 	git update-ref -m "$GIT_REFLOG_ACTION: $FIRSTLINE" HEAD $commit $parent ||
 	stop_here $this
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -408,4 +408,10 @@ void git_qsort(void *base, size_t nmemb, size_t size,
 #endif
 #endif

+#ifdef UNRELIABLE_FSTAT
+#define fstat_is_reliable() 0
+#else
+#define fstat_is_reliable() 1
+#endif
+
 #endif
--- a/git-difftool.perl
+++ b/git-difftool.perl
@@ -82,4 +82,11 @@ sub generate_command
 }

 setup_environment();
-exec(generate_command());
+
+# ActiveState Perl for Win32 does not implement POSIX semantics of
+# exec* system call. It just spawns the given executable and finishes
+# the starting program, exiting with code 0.
+# system will at least catch the errors returned by git diff,
+# allowing the caller of git difftool better handling of failures.
+my $rc = system(generate_command());
+exit($rc | ($rc >> 8));
--- a/git-filter-branch.sh
+++ b/git-filter-branch.sh
@@ -430,7 +430,7 @@ if [ "$filter_tag_name" ]; then
 		if [ "$type" = "tag" ]; then
 			# Dereference to a commit
 			sha1t="$sha1"
-			sha1="$(git rev-parse "$sha1"^{commit} 2>/dev/null)" || continue
+			sha1="$(git rev-parse -q "$sha1"^{commit})" || continue
 		fi

 		[ -f "../map/$sha1" ] || continue
--- a/git-merge-resolve.sh
+++ b/git-merge-resolve.sh
@@ -37,10 +37,10 @@ then
 	exit 2
 fi

-git update-index --refresh 2>/dev/null
+git update-index -q --refresh
 git read-tree -u -m --aggressive $bases $head $remotes || exit 2
 echo "Trying simple merge."
-if result_tree=$(git write-tree  2>/dev/null)
+if result_tree=$(git write-tree 2>/dev/null)
 then
 	exit 0
 else
--- a/git-parse-remote.sh
+++ b/git-parse-remote.sh
@@ -2,7 +2,7 @@

 # git-ls-remote could be called from outside a git managed repository;
 # this would fail in that case and would issue an error message.
-GIT_DIR=$(git rev-parse --git-dir 2>/dev/null) || :;
+GIT_DIR=$(git rev-parse -q --git-dir) || :;

 get_data_source () {
 	case "$1" in
--- a/git-pull.sh
+++ b/git-pull.sh
@@ -147,7 +147,7 @@ then
 	echo >&2 "Warning: fetch updated the current branch head."
 	echo >&2 "Warning: fast forwarding your working tree from"
 	echo >&2 "Warning: commit $orig_head."
-	git update-index --refresh 2>/dev/null
+	git update-index -q --refresh
 	git read-tree -u -m "$orig_head" "$curr_head" ||
 		die 'Cannot fast-forward your working tree.
 After making sure that you saved anything precious from
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -418,6 +418,14 @@ my %parse_alias = (
 			$x =~ /^(\S+)$f\t\(?([^\t]+?)\)?(:?$f){0,2}$/ or next;
 			$aliases{$1} = [ split_addrs($2) ];
 		}},
+	elm => sub  { my $fh = shift;
+		      while (<$fh>) {
+			  if (/^(\S+)\s+=\s+[^=]+=\s(\S+)/) {
+			      my ($alias, $addr) = ($1, $2);
+			       $aliases{$alias} = [ split_addrs($addr) ];
+			  }
+		      } },
+
 	gnus => sub { my $fh = shift; while (<$fh>) {
 		if (/\(define-mail-alias\s+"(\S+?)"\s+"(\S+?)"\)/) {
 			$aliases{$1} = [ $2 ];
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -204,8 +204,15 @@ cmd_add()
 	else

 		module_clone "$path" "$realrepo" || exit
-		(unset GIT_DIR; cd "$path" && git checkout -f -q ${branch:+-b "$branch" "origin/$branch"}) ||
-		die "Unable to checkout submodule '$path'"
+		(
+			unset GIT_DIR
+			cd "$path" &&
+			# ash fails to wordsplit ${branch:+-b "$branch"...}
+			case "$branch" in
+			'') git checkout -f -q ;;
+			?*) git checkout -f -q -b "$branch" "origin/$branch" ;;
+			esac
+		) || die "Unable to checkout submodule '$path'"
 	fi

 	git add "$path" ||
--- a/git.c
+++ b/git.c
@@ -497,7 +497,7 @@ int main(int argc, const char **argv)

 	/*
 	 * We use PATH to find git commands, but we prepend some higher
-	 * precidence paths: the "--exec-path" option, the GIT_EXEC_PATH
+	 * precedence paths: the "--exec-path" option, the GIT_EXEC_PATH
 	 * environment, and the $(gitexecdir) from the Makefile at build
 	 * time.
 	 */
--- a/gitweb/README
+++ b/gitweb/README
@@ -206,7 +206,7 @@ not include variables usually directly set during build):
 * $fallback_encoding
   Gitweb assumes this charset if line contains non-UTF-8 characters.
   Fallback decoding is used without error checking, so it can be even
-   'utf-8'. Value mist be valid encodig; see Encoding::Supported(3pm) man
+   'utf-8'. Value must be valid encoding; see Encoding::Supported(3pm) man
   page for a list.   By default 'latin1', aka. 'iso-8859-1'.
 * @diff_opts
   Rename detection options for git-diff and git-diff-tree. By default
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -688,10 +688,10 @@ sub evaluate_path_info {
 		# extensions. Allowed extensions are both the defined suffix
 		# (which includes the initial dot already) and the snapshot
 		# format key itself, with a prepended dot
-		while (my ($fmt, %opt) = each %known_snapshot_formats) {
+		while (my ($fmt, $opt) = each %known_snapshot_formats) {
 			my $hash = $refname;
 			my $sfx;
-			$hash =~ s/(\Q$opt{'suffix'}\E|\Q.$fmt\E)$//;
+			$hash =~ s/(\Q$opt->{'suffix'}\E|\Q.$fmt\E)$//;
 			next unless $sfx = $1;
 			# a valid suffix was found, so set the snapshot format
 			# and reset the hash parameter
--- a/graph.c
+++ b/graph.c
@@ -35,7 +35,7 @@ static void graph_padding_line(struct git_graph *graph, struct strbuf *sb);
 * newline.  A new graph line will not be printed after the final newline.
 * If the strbuf is empty, no output will be printed.
 *
- * Since the first line will not include the graph ouput, the caller is
+ * Since the first line will not include the graph output, the caller is
 * responsible for printing this line's graph (perhaps via
 * graph_show_commit() or graph_show_oneline()) before calling
 * graph_show_strbuf().
@@ -727,8 +727,8 @@ static void graph_output_pre_commit_line(struct git_graph *graph,
 		if (col->commit == graph->commit) {
 			seen_this = 1;
 			strbuf_write_column(sb, col, '|');
-			strbuf_addf(sb, " %*s", graph->expansion_row, "");
-			chars_written += 2 + graph->expansion_row;
+			strbuf_addf(sb, "%*s", graph->expansion_row, "");
+			chars_written += 1 + graph->expansion_row;
 		} else if (seen_this && (graph->expansion_row == 0)) {
 			/*
 			 * This is the first line of the pre-commit output.
@@ -852,7 +852,7 @@ static void graph_output_commit_line(struct git_graph *graph, struct strbuf *sb)
 			graph_output_commit_char(graph, sb);
 			chars_written++;

-			if (graph->num_parents > 3)
+			if (graph->num_parents > 2)
 				chars_written += graph_draw_octopus_merge(graph,
 									  sb);
 		} else if (seen_this && (graph->num_parents > 2)) {
--- a/levenshtein.c
+++ b/levenshtein.c
@@ -27,7 +27,7 @@
 *
 * It does so by calculating the costs of the path ending in characters
 * i (in string1) and j (in string2), respectively, given that the last
- * operation is a substition, a swap, a deletion, or an insertion.
+ * operation is a substitution, a swap, a deletion, or an insertion.
 *
 * This implementation allows the costs to be weighted:
 *
--- a/parse-options.h
+++ b/parse-options.h
@@ -52,7 +52,7 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset);
 *
 * `argh`::
 *   token to explain the kind of argument this option wants. Keep it
- *   homogenous across the repository.
+ *   homogeneous across the repository.
 *
 * `help`::
 *   the short help associated to what the option does.
@@ -61,7 +61,7 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset);
 *
 * `flags`::
 *   mask of parse_opt_option_flags.
- *   PARSE_OPT_OPTARG: says that the argument is optionnal (not for BOOLEANs)
+ *   PARSE_OPT_OPTARG: says that the argument is optional (not for BOOLEANs)
 *   PARSE_OPT_NOARG: says that this option takes no argument, for CALLBACKs
 *   PARSE_OPT_NONEG: says that this option cannot be negated
 *   PARSE_OPT_HIDDEN this option is skipped in the default usage, showed in
@@ -105,7 +105,7 @@ struct option {
 	{ OPTION_CALLBACK, (s), (l), (v), (a), (h), 0, (f) }

 /* parse_options() will filter out the processed options and leave the
- * non-option argments in argv[].
+ * non-option arguments in argv[].
 * Returns the number of arguments left in argv[].
 */
 extern int parse_options(int argc, const char **argv,
@@ -115,7 +115,7 @@ extern int parse_options(int argc, const char **argv,
 extern NORETURN void usage_with_options(const char * const *usagestr,
                                        const struct option *options);

-/*----- incremantal advanced APIs -----*/
+/*----- incremental advanced APIs -----*/

 enum {
 	PARSE_OPT_HELP = -1,
--- a/progress.c
+++ b/progress.c
@@ -121,13 +121,13 @@ static void throughput_string(struct throughput *tp, off_t total,
 			      (int)(total >> 30),
 			      (int)(total & ((1 << 30) - 1)) / 10737419);
 	} else if (total > 1 << 20) {
+		int x = total + 5243;  /* for rounding */
 		l -= snprintf(tp->display, l, ", %u.%2.2u MiB",
-			      (int)(total >> 20),
-			      ((int)(total & ((1 << 20) - 1)) * 100) >> 20);
+			      x >> 20, ((x & ((1 << 20) - 1)) * 100) >> 20);
 	} else if (total > 1 << 10) {
+		int x = total + 5;  /* for rounding */
 		l -= snprintf(tp->display, l, ", %u.%2.2u KiB",
-			      (int)(total >> 10),
-			      ((int)(total & ((1 << 10) - 1)) * 100) >> 10);
+			      x >> 10, ((x & ((1 << 10) - 1)) * 100) >> 10);
 	} else {
 		l -= snprintf(tp->display, l, ", %u bytes", (int)total);
 	}
--- a/remote.c
+++ b/remote.c
@@ -366,7 +366,7 @@ static int handle_config(const char *key, const char *value, void *cb)
 	}
 	subkey = strrchr(name, '.');
 	if (!subkey)
-		return error("Config with no key for remote %s", name);
+		return 0;
 	remote = make_remote(name, subkey - name);
 	remote->origin = REMOTE_CONFIG;
 	if (!strcmp(subkey, ".mirror"))
@@ -1413,10 +1413,9 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs)
 	if (theirs == ours)
 		return 0;

-	/* Run "rev-list --no-merges --left-right ours...theirs" internally... */
+	/* Run "rev-list --left-right ours...theirs" internally... */
 	rev_argc = 0;
 	rev_argv[rev_argc++] = NULL;
-	rev_argv[rev_argc++] = "--no-merges";
 	rev_argv[rev_argc++] = "--left-right";
 	rev_argv[rev_argc++] = symmetric;
 	rev_argv[rev_argc++] = "--";
--- a/revision.c
+++ b/revision.c
@@ -209,7 +209,7 @@ static struct commit *handle_commit(struct rev_info *revs, struct object *object
 	}

 	/*
-	 * Tree object? Either mark it uniniteresting, or add it
+	 * Tree object? Either mark it uninteresting, or add it
 	 * to the list of objects to look at later..
 	 */
 	if (object->type == OBJ_TREE) {
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -2225,7 +2225,9 @@ int move_temp_to_file(const char *tmpfile, const char *filename)
 {
 	int ret = 0;

-	if (link(tmpfile, filename))
+	if (unreliable_hardlinks)
+		goto try_rename;
+	else if (link(tmpfile, filename))
 		ret = errno;

 	/*
@@ -2240,6 +2242,7 @@ int move_temp_to_file(const char *tmpfile, const char *filename)
 	 * left to unlink.
 	 */
 	if (ret && ret != EEXIST) {
+	try_rename:
 		if (!rename(tmpfile, filename))
 			goto out;
 		ret = errno;
--- a/strbuf.h
+++ b/strbuf.h
@@ -11,7 +11,7 @@
 *    build complex strings/buffers whose final size isn't easily known.
 *
 *    It is NOT legal to copy the ->buf pointer away.
- *    `strbuf_detach' is the operation that detachs a buffer from its shell
+ *    `strbuf_detach' is the operation that detaches a buffer from its shell
 *    while keeping the shell valid wrt its invariants.
 *
 * 2. the ->buf member is a byte array that has at least ->len + 1 bytes
--- a/t/t4130-apply-criss-cross-rename.sh
+++ b/t/t4130-apply-criss-cross-rename.sh
@@ -15,14 +15,17 @@ create_file() {
 test_expect_success 'setup' '
 	create_file file1 "File1 contents" &&
 	create_file file2 "File2 contents" &&
-	git add file1 file2 &&
+	create_file file3 "File3 contents" &&
+	git add file1 file2 file3 &&
 	git commit -m 1
 '

 test_expect_success 'criss-cross rename' '
 	mv file1 tmp &&
 	mv file2 file1 &&
-	mv tmp file2
+	mv tmp file2 &&
+	cp file1 file1-swapped &&
+	cp file2 file2-swapped
 '

 test_expect_success 'diff -M -B' '
@@ -32,7 +35,32 @@ test_expect_success 'diff -M -B' '
 '

 test_expect_success 'apply' '
-	git apply diff
+	git apply diff &&
+	test_cmp file1 file1-swapped &&
+	test_cmp file2 file2-swapped
+'
+
+test_expect_success 'criss-cross rename' '
+	git reset --hard &&
+	mv file1 tmp &&
+	mv file2 file1 &&
+	mv file3 file2
+	mv tmp file3 &&
+	cp file1 file1-swapped &&
+	cp file2 file2-swapped &&
+	cp file3 file3-swapped
+'
+
+test_expect_success 'diff -M -B' '
+	git diff -M -B > diff &&
+	git reset --hard
+'
+
+test_expect_success 'apply' '
+	git apply diff &&
+	test_cmp file1 file1-swapped &&
+	test_cmp file2 file2-swapped &&
+	test_cmp file3 file3-swapped
 '

 test_done
--- a/t/t4202-log.sh
+++ b/t/t4202-log.sh
@@ -284,10 +284,36 @@ test_expect_success 'set up more tangled history' '
 	git merge master~3 &&
 	git merge side~1 &&
 	git checkout master &&
-	git merge tangle
+	git merge tangle &&
+	git checkout -b reach &&
+	test_commit reach &&
+	git checkout master &&
+	git checkout -b octopus-a &&
+	test_commit octopus-a &&
+	git checkout master &&
+	git checkout -b octopus-b &&
+	test_commit octopus-b &&
+	git checkout master &&
+	test_commit seventh &&
+	git merge octopus-a octopus-b
+	git merge reach
 '

 cat > expect <<\EOF
+*   Merge branch 'reach'
+|\
+| \
+|  \
+*-. \   Merge branches 'octopus-a' and 'octopus-b'
+|\ \ \
+* | | | seventh
+| | * | octopus-b
+| |/ /
+|/| |
+| * | octopus-a
+|/ /
+| * reach
+|/
 *   Merge branch 'tangle'
 |\
 | *   Merge branch 'side' (early part) into tangle
@@ -316,7 +342,7 @@ cat > expect <<\EOF
 * initial
 EOF

-test_expect_success 'log --graph with merge' '
+test_expect_sucess 'log --graph with merge' '
 	git log --graph --date-order --pretty=tformat:%s |
 		sed "s/ *$//" >actual &&
 	test_cmp expect actual
--- a/t/t5701-clone-local.sh
+++ b/t/t5701-clone-local.sh
@@ -132,4 +132,14 @@ test_expect_success 'clone empty repository' '
 	 test $actual = $expected)
 '

+test_expect_success 'clone empty repository, and then push should not segfault.' '
+	cd "$D" &&
+	rm -fr empty/ empty-clone/ &&
+	mkdir empty &&
+	(cd empty && git init) &&
+	git clone empty empty-clone &&
+	cd empty-clone &&
+	test_must_fail git push
+'
+
 test_done
--- a/t/t7400-submodule-basic.sh
+++ b/t/t7400-submodule-basic.sh
@@ -64,6 +64,16 @@ test_expect_success 'submodule add' '
 	)
 '

+test_expect_success 'submodule add --branch' '
+	(
+		cd addtest &&
+		git submodule add -b initial "$submodurl" submod-branch &&
+		git submodule init &&
+		cd submod-branch &&
+		git branch | grep initial
+	)
+'
+
 test_expect_success 'submodule add with ./ in path' '
 	(
 		cd addtest &&
--- a/t/t7700-repack.sh
+++ b/t/t7700-repack.sh
@@ -69,7 +69,7 @@ test_expect_success 'packed obs in alt ODB are repacked even when local repo is
 	done
 '

-test_expect_failure 'packed obs in alt ODB are repacked when local repo has packs' '
+test_expect_success 'packed obs in alt ODB are repacked when local repo has packs' '
 	rm -f .git/objects/pack/* &&
 	echo new_content >> file1 &&
 	git add file1 &&
--- a/t/t7800-difftool.sh
+++ b/t/t7800-difftool.sh
@@ -10,6 +10,11 @@ Testing basic diff tool invocation

 . ./test-lib.sh

+if ! test_have_prereq PERL; then
+	say 'skipping difftool tests, perl not available'
+	test_done
+fi
+
 remove_config_vars()
 {
 	# Unset all config variables used by git-difftool
--- a/t/t9001-send-email.sh
+++ b/t/t9001-send-email.sh
@@ -616,7 +616,7 @@ test_expect_success 'in-reply-to but no threading' '
 		--from="Example <nobody@example.com>" \
 		--to=nobody@example.com \
 		--in-reply-to="<in-reply-id@example.com>" \
-		--no-thread \
+		--nothread \
 		$patches |
 	grep "In-Reply-To: <in-reply-id@example.com>"
 '
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -491,7 +491,7 @@ test_create_repo () {
 	repo="$1"
 	mkdir -p "$repo"
 	cd "$repo" || error "Cannot setup test environment"
-	"$GIT_EXEC_PATH/git-init" "--template=$owd/../templates/blt/" >&3 2>&4 ||
+	"$GIT_EXEC_PATH/git-init" "--template=$TEST_DIRECTORY/../templates/blt/" >&3 2>&4 ||
 	error "cannot run git init -- have you built things yet?"
 	mv .git/hooks .git/hooks-disabled
 	cd "$owd"
--- a/test-genrandom.c
+++ b/test-genrandom.c
@@ -13,7 +13,7 @@ int main(int argc, char *argv[])
 	unsigned char *c;

 	if (argc < 2 || argc > 3) {
-		fprintf( stderr, "Usage: %s <seed_string> [<size>]", argv[0]);
+		fprintf(stderr, "Usage: %s <seed_string> [<size>]\n", argv[0]);
 		return 1;
 	}

--- a/tree-diff.c
+++ b/tree-diff.c
@@ -374,7 +374,7 @@ static void try_to_follow_renames(struct tree_desc *t1, struct tree_desc *t2, co
 	}

 	/*
-	 * Then, discard all the non-relevane file pairs...
+	 * Then, discard all the non-relevant file pairs...
 	 */
 	for (i = 0; i < q->nr; i++) {
 		struct diff_filepair *p = q->queue[i];
--- a/tree.c
+++ b/tree.c
@@ -62,6 +62,7 @@ static int match_tree_entry(const char *base, int baselen, const char *path, uns
 				continue;
 			/* pathspecs match only at the directory boundaries */
 			if (!matchlen ||
+			    baselen == matchlen ||
 			    base[matchlen] == '/' ||
 			    match[matchlen - 1] == '/')
 				return 1;
--- a/xdiff/xdiffi.c
+++ b/xdiff/xdiffi.c
@@ -456,7 +456,7 @@ int xdl_change_compact(xdfile_t *xdf, xdfile_t *xdfo, long flags) {
 			/*
 			 * Record the end-of-group position in case we are matched
 			 * with a group of changes in the other file (that is, the
-			 * change record before the enf-of-group index in the other
+			 * change record before the end-of-group index in the other
 			 * file is set).
 			 */
 			ixref = rchgo[ixo - 1] ? ix: nrec;