diff --git a/Documentation/RelNotes-1.6.3.txt b/Documentation/RelNotes-1.6.3.txt
index 33209fe7fd..418c685cf8 100644
--- a/Documentation/RelNotes-1.6.3.txt
+++ b/Documentation/RelNotes-1.6.3.txt
@@ -180,9 +180,3 @@ v1.6.2.X series.
 
 * git-gc spent excessive amount of time to decide if an object appears
   in a locally existing pack (if needed, backport by merging 69e020a).
-
----
-exec >/var/tmp/1
-O=v1.6.3-rc2
-echo O=$(git describe master)
-git shortlog --no-merges $O..master ^maint
diff --git a/Documentation/git-am.txt b/Documentation/git-am.txt
index 1e71dd536b..6d92cbee64 100644
--- a/Documentation/git-am.txt
+++ b/Documentation/git-am.txt
@@ -32,7 +32,7 @@ OPTIONS
 
 -s::
 --signoff::
-	Add `Signed-off-by:` line to the commit message, using
+	Add a `Signed-off-by:` line to the commit message, using
 	the committer identity of yourself.
 
 -k::
@@ -79,14 +79,14 @@ default.   You can use `--no-utf8` to override this.
 	message as the commit author date, and uses the time of
 	commit creation as the committer date. This allows the
 	user to lie about the committer date by using the same
-	timestamp as the author date.
+	value as the author date.
 
 --ignore-date::
 	By default the command records the date from the e-mail
 	message as the commit author date, and uses the time of
 	commit creation as the committer date. This allows the
-	user to lie about author timestamp by using the same
-	timestamp as the committer date.
+	user to lie about the author date by using the same
+	value as the committer date.
 
 --skip::
 	Skip the current patch.  This is only meaningful when
@@ -115,21 +115,21 @@ DISCUSSION
 ----------
 
 The commit author name is taken from the "From: " line of the
-message, and commit author time is taken from the "Date: " line
+message, and commit author date is taken from the "Date: " line
 of the message.  The "Subject: " line is used as the title of
 the commit, after stripping common prefix "[PATCH <anything>]".
-It is supposed to describe what the commit is about concisely as
-a one line text.
+The "Subject: " line is supposed to concisely describe what the
+commit is about in one line of text.
 
-The body of the message (the rest of the message after the blank line
-that terminates the RFC2822 headers) can begin with "Subject: " and
-"From: " lines that are different from those of the mail header,
-to override the values of these fields.
+"From: " and "Subject: " lines starting the body (the rest of the
+message after the blank line terminating the RFC2822 headers)
+override the respective commit author name and title values taken
+from the headers.
 
 The commit message is formed by the title taken from the
 "Subject: ", a blank line and the body of the message up to
-where the patch begins.  Excess whitespace characters at the end of the
-lines are automatically stripped.
+where the patch begins.  Excess whitespace at the end of each
+line is automatically stripped.
 
 The patch is expected to be inline, directly following the
 message.  Any line that is of the form:
@@ -141,7 +141,7 @@ message.  Any line that is of the form:
 is taken as the beginning of a patch, and the commit log message
 is terminated before the first occurrence of such a line.
 
-When initially invoking it, you give it the names of the mailboxes
+When initially invoking `git am`, you give it the names of the mailboxes
 to process.  Upon seeing the first patch that does not apply, it
 aborts in the middle.  You can recover from this in one of two ways:
 
diff --git a/Documentation/git-clean.txt b/Documentation/git-clean.txt
index 43b2de7db3..be894af39f 100644
--- a/Documentation/git-clean.txt
+++ b/Documentation/git-clean.txt
@@ -13,8 +13,8 @@ SYNOPSIS
 DESCRIPTION
 -----------
 
-This allows cleaning the working tree by removing files that are not
-under version control.
+Cleans the working tree by recursively removing files that are not
+under version control, starting from the current directory.
 
 Normally, only files unknown to git are removed, but if the '-x'
 option is specified, ignored files are also removed. This can, for
diff --git a/Documentation/git.txt b/Documentation/git.txt
index 470fdc5ecd..9d8f236fe8 100644
--- a/Documentation/git.txt
+++ b/Documentation/git.txt
@@ -43,9 +43,11 @@ unreleased) version of git, that is available from 'master'
 branch of the `git.git` repository.
 Documentation for older releases are available here:
 
-* link:v1.6.2.3/git.html[documentation for release 1.6.2.3]
+* link:v1.6.3/git.html[documentation for release 1.6.3]
 
 * release notes for
+  link:RelNotes-1.6.2.5.txt[1.6.2.5],
+  link:RelNotes-1.6.2.4.txt[1.6.2.4],
   link:RelNotes-1.6.2.3.txt[1.6.2.3],
   link:RelNotes-1.6.2.2.txt[1.6.2.2],
   link:RelNotes-1.6.2.1.txt[1.6.2.1],
diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 97fc1e0519..39cde784c9 100755
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v1.6.2.GIT
+DEF_VER=v1.6.3.GIT
 
 LF='
 '
diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 1a90cb87f5..1683e6d7b8 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1116,6 +1116,7 @@ __git_log_shortlog_options="
 "
 
 __git_log_pretty_formats="oneline short medium full fuller email raw format:"
+__git_log_date_formats="relative iso8601 rfc2822 short local default raw"
 
 _git_log ()
 {
@@ -1139,9 +1140,7 @@ _git_log ()
 		return
 		;;
 	--date=*)
-		__gitcomp "
-			relative iso8601 rfc2822 short local default
-		" "" "${cur##--date=}"
+		__gitcomp "$__git_log_date_formats" "" "${cur##--date=}"
 		return
 		;;
 	--*)
@@ -1283,18 +1282,39 @@ _git_rebase ()
 	__gitcomp "$(__git_refs)"
 }
 
+__git_send_email_confirm_options="always never auto cc compose"
+__git_send_email_suppresscc_options="author self cc ccbody sob cccmd body all"
+
 _git_send_email ()
 {
 	local cur="${COMP_WORDS[COMP_CWORD]}"
 	case "$cur" in
+	--confirm=*)
+		__gitcomp "
+			$__git_send_email_confirm_options
+			" "" "${cur##--confirm=}"
+		return
+		;;
+	--suppress-cc=*)
+		__gitcomp "
+			$__git_send_email_suppresscc_options
+			" "" "${cur##--suppress-cc=}"
+
+		return
+		;;
+	--smtp-encryption=*)
+		__gitcomp "ssl tls" "" "${cur##--smtp-encryption=}"
+		return
+		;;
 	--*)
 		__gitcomp "--annotate --bcc --cc --cc-cmd --chain-reply-to
-			--compose --dry-run --envelope-sender --from --identity
+			--compose --confirm= --dry-run --envelope-sender
+			--from --identity
 			--in-reply-to --no-chain-reply-to --no-signed-off-by-cc
 			--no-suppress-from --no-thread --quiet
 			--signed-off-by-cc --smtp-pass --smtp-server
-			--smtp-server-port --smtp-ssl --smtp-user --subject
-			--suppress-cc --suppress-from --thread --to
+			--smtp-server-port --smtp-encryption= --smtp-user
+			--subject --suppress-cc= --suppress-from --thread --to
 			--validate --no-validate"
 		return
 		;;
@@ -1348,6 +1368,26 @@ _git_config ()
 			"
 		return
 		;;
+	help.format)
+		__gitcomp "man info web html"
+		return
+		;;
+	log.date)
+		__gitcomp "$__git_log_date_formats"
+		return
+		;;
+	sendemail.aliasesfiletype)
+		__gitcomp "mutt mailrc pine elm gnus"
+		return
+		;;
+	sendemail.confirm)
+		__gitcomp "$__git_send_email_confirm_options"
+		return
+		;;
+	sendemail.suppresscc)
+		__gitcomp "$__git_send_email_suppresscc_options"
+		return
+		;;
 	*.*)
 		COMPREPLY=()
 		return
@@ -1376,6 +1416,39 @@ _git_config ()
 		__gitcomp "$(__git_heads)" "$pfx" "$cur" "."
 		return
 		;;
+	guitool.*.*)
+		local pfx="${cur%.*}."
+		cur="${cur##*.}"
+		__gitcomp "
+			argprompt cmd confirm needsfile noconsole norescan
+			prompt revprompt revunmerged title
+			" "$pfx" "$cur"
+		return
+		;;
+	difftool.*.*)
+		local pfx="${cur%.*}."
+		cur="${cur##*.}"
+		__gitcomp "cmd path" "$pfx" "$cur"
+		return
+		;;
+	man.*.*)
+		local pfx="${cur%.*}."
+		cur="${cur##*.}"
+		__gitcomp "cmd path" "$pfx" "$cur"
+		return
+		;;
+	mergetool.*.*)
+		local pfx="${cur%.*}."
+		cur="${cur##*.}"
+		__gitcomp "cmd path trustExitCode" "$pfx" "$cur"
+		return
+		;;
+	pager.*)
+		local pfx="${cur%.*}."
+		cur="${cur#*.}"
+		__gitcomp "$(__git_all_commands)" "$pfx" "$cur"
+		return
+		;;
 	remote.*.*)
 		local pfx="${cur%.*}."
 		cur="${cur##*.}"
@@ -1391,8 +1464,15 @@ _git_config ()
 		__gitcomp "$(__git_remotes)" "$pfx" "$cur" "."
 		return
 		;;
+	url.*.*)
+		local pfx="${cur%.*}."
+		cur="${cur##*.}"
+		__gitcomp "insteadof" "$pfx" "$cur"
+		return
+		;;
 	esac
 	__gitcomp "
+		alias.
 		apply.whitespace
 		branch.autosetupmerge
 		branch.autosetuprebase
@@ -1410,6 +1490,9 @@ _git_config ()
 		color.diff.old
 		color.diff.plain
 		color.diff.whitespace
+		color.grep
+		color.grep.external
+		color.grep.match
 		color.interactive
 		color.interactive.header
 		color.interactive.help
@@ -1427,6 +1510,7 @@ _git_config ()
 		core.autocrlf
 		core.bare
 		core.compression
+		core.createObject
 		core.deltaBaseCacheLimit
 		core.editor
 		core.excludesfile
@@ -1457,11 +1541,21 @@ _git_config ()
 		diff.renameLimit
 		diff.renameLimit.
 		diff.renames
+		diff.suppressBlankEmpty
+		diff.tool
+		diff.wordRegex
+		difftool.
+		difftool.prompt
 		fetch.unpackLimit
+		format.attach
+		format.cc
 		format.headers
 		format.numbered
 		format.pretty
+		format.signoff
+		format.subjectprefix
 		format.suffix
+		format.thread
 		gc.aggressiveWindow
 		gc.auto
 		gc.autopacklimit
@@ -1472,6 +1566,7 @@ _git_config ()
 		gc.rerereresolved
 		gc.rerereunresolved
 		gitcvs.allbinary
+		gitcvs.commitmsgannotation
 		gitcvs.dbTableNamePrefix
 		gitcvs.dbdriver
 		gitcvs.dbname
@@ -1480,6 +1575,7 @@ _git_config ()
 		gitcvs.enabled
 		gitcvs.logfile
 		gitcvs.usecrlfattr
+		guitool.
 		gui.blamehistoryctx
 		gui.commitmsgwidth
 		gui.copyblamethreshold
@@ -1506,13 +1602,24 @@ _git_config ()
 		http.sslVerify
 		i18n.commitEncoding
 		i18n.logOutputEncoding
+		imap.folder
+		imap.host
+		imap.pass
+		imap.port
+		imap.preformattedHTML
+		imap.sslverify
+		imap.tunnel
+		imap.user
 		instaweb.browser
 		instaweb.httpd
 		instaweb.local
 		instaweb.modulepath
 		instaweb.port
+		interactive.singlekey
 		log.date
 		log.showroot
+		mailmap.file
+		man.
 		man.viewer
 		merge.conflictstyle
 		merge.log
@@ -1520,7 +1627,9 @@ _git_config ()
 		merge.stat
 		merge.tool
 		merge.verbosity
+		mergetool.
 		mergetool.keepBackup
+		mergetool.prompt
 		pack.compression
 		pack.deltaCacheLimit
 		pack.deltaCacheSize
@@ -1530,8 +1639,11 @@ _git_config ()
 		pack.threads
 		pack.window
 		pack.windowMemory
+		pager.
 		pull.octopus
 		pull.twohead
+		push.default
+		rebase.stat
 		receive.denyCurrentBranch
 		receive.denyDeletes
 		receive.denyNonFastForwards
@@ -1540,11 +1652,32 @@ _git_config ()
 		repack.usedeltabaseoffset
 		rerere.autoupdate
 		rerere.enabled
+		sendemail.aliasesfile
+		sendemail.aliasesfiletype
+		sendemail.bcc
+		sendemail.cc
+		sendemail.cccmd
+		sendemail.chainreplyto
+		sendemail.confirm
+		sendemail.envelopesender
+		sendemail.multiedit
+		sendemail.signedoffbycc
+		sendemail.smtpencryption
+		sendemail.smtppass
+		sendemail.smtpserver
+		sendemail.smtpserverport
+		sendemail.smtpuser
+		sendemail.suppresscc
+		sendemail.suppressfrom
+		sendemail.thread
+		sendemail.to
+		sendemail.validate
 		showbranch.default
 		status.relativePaths
 		status.showUntrackedFiles
 		tar.umask
 		transfer.unpackLimit
+		url.
 		user.email
 		user.name
 		user.signingkey
diff --git a/date.c b/date.c
index 1165d30adf..409a17d464 100644
--- a/date.c
+++ b/date.c
@@ -871,13 +871,15 @@ unsigned long approxidate(const char *date)
 	int number = 0;
 	struct tm tm, now;
 	struct timeval tv;
+	time_t time_sec;
 	char buffer[50];
 
 	if (parse_date(date, buffer, sizeof(buffer)) > 0)
 		return strtoul(buffer, NULL, 10);
 
 	gettimeofday(&tv, NULL);
-	localtime_r(&tv.tv_sec, &tm);
+	time_sec = tv.tv_sec;
+	localtime_r(&time_sec, &tm);
 	now = tm;
 	for (;;) {
 		unsigned char c = *date;
diff --git a/dir.c b/dir.c
index 15677da47c..6aae09a22e 100644
--- a/dir.c
+++ b/dir.c
@@ -53,7 +53,7 @@ int common_prefix(const char **pathspec)
 }
 
 /*
- * Does 'match' matches the given name?
+ * Does 'match' match the given name?
  * A match is found if
  *
  * (1) the 'match' string is leading directory of 'name', or
@@ -290,7 +290,7 @@ static void prep_exclude(struct dir_struct *dir, const char *base, int baselen)
 	dir->basebuf[baselen] = '\0';
 }
 
-/* Scan the list and let the last match determines the fate.
+/* Scan the list and let the last match determine the fate.
  * Return 1 for exclude, 0 for include and -1 for undecided.
  */
 static int excluded_1(const char *pathname,
diff --git a/git-svn.perl b/git-svn.perl
index c5965c9aaf..ef1d30db38 100755
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -147,7 +147,7 @@ my %cmd = (
 	           'dry-run|n' => \$_dry_run } ],
 	'set-tree' => [ \&cmd_set_tree,
 	                "Set an SVN repository to a git tree-ish",
-			{ 'stdin|' => \$_stdin, %cmt_opts, %fc_opts, } ],
+			{ 'stdin' => \$_stdin, %cmt_opts, %fc_opts, } ],
 	'create-ignore' => [ \&cmd_create_ignore,
 			     'Create a .gitignore per svn:ignore',
 			     { 'revision|r=i' => \$_revision
diff --git a/t/annotate-tests.sh b/t/annotate-tests.sh
index cacb273aff..396b9653a3 100644
--- a/t/annotate-tests.sh
+++ b/t/annotate-tests.sh
@@ -114,7 +114,10 @@ test_expect_success \
 test_expect_success \
     'some edit' \
     'mv file file.orig &&
-    sed -e "s/^3A/99/" -e "/^1A/d" -e "/^incomplete/d" < file.orig > file &&
+    {
+	cat file.orig &&
+	echo
+    } | sed -e "s/^3A/99/" -e "/^1A/d" -e "/^incomplete/d" > file &&
     echo "incomplete" | tr -d "\\012" >>file &&
     GIT_AUTHOR_NAME="D" git commit -a -m "edit"'
 
diff --git a/t/t4018-diff-funcname.sh b/t/t4018-diff-funcname.sh
index be541348c6..5b10e976a3 100755
--- a/t/t4018-diff-funcname.sh
+++ b/t/t4018-diff-funcname.sh
@@ -32,7 +32,7 @@ EOF
 
 sed 's/beer\\/beer,\\/' < Beer.java > Beer-correct.java
 
-builtin_patterns="bibtex html java objc pascal php python ruby tex"
+builtin_patterns="bibtex cpp html java objc pascal php python ruby tex"
 for p in $builtin_patterns
 do
 	test_expect_success "builtin $p pattern compiles" '
diff --git a/t/t4029-diff-trailing-space.sh b/t/t4029-diff-trailing-space.sh
index 9ddbbcde57..3ccc237a8d 100755
--- a/t/t4029-diff-trailing-space.sh
+++ b/t/t4029-diff-trailing-space.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 #
 # Copyright (c) Jim Meyering
 #
diff --git a/t/t4118-apply-empty-context.sh b/t/t4118-apply-empty-context.sh
index f92e259cc6..65f2e4c3ef 100755
--- a/t/t4118-apply-empty-context.sh
+++ b/t/t4118-apply-empty-context.sh
@@ -20,10 +20,10 @@ test_expect_success setup '
 		cat file1 &&
 		echo Q | tr -d "\\012"
 	} >file2 &&
-	cat file2 >file2.orig
+	cat file2 >file2.orig &&
 	git add file1 file2 &&
 	sed -e "/^B/d" <file1.orig >file1 &&
-	sed -e "/^[BQ]/d" <file2.orig >file2 &&
+	cat file1 > file2 &&
 	echo Q | tr -d "\\012" >>file2 &&
 	cat file1 >file1.mods &&
 	cat file2 >file2.mods &&
diff --git a/t/t4200-rerere.sh b/t/t4200-rerere.sh
index b68ab11f29..a6bc028a57 100755
--- a/t/t4200-rerere.sh
+++ b/t/t4200-rerere.sh
@@ -57,7 +57,7 @@ test_expect_success 'conflicting merge' '
 	test_must_fail git merge first
 '
 
-sha1=$(sed -e 's/	.*//' .git/MERGE_RR)
+sha1=$(perl -pe 's/	.*//' .git/MERGE_RR)
 rr=.git/rr-cache/$sha1
 test_expect_success 'recorded preimage' "grep ^=======$ $rr/preimage"
 
@@ -190,8 +190,6 @@ test_expect_success 'file2 added differently in two branches' '
 	git add file2 &&
 	git commit -m version2 &&
 	test_must_fail git merge fourth &&
-	sha1=$(sed -e "s/	.*//" .git/MERGE_RR) &&
-	rr=.git/rr-cache/$sha1 &&
 	echo Cello > file2 &&
 	git add file2 &&
 	git commit -m resolution
diff --git a/t/t8005-blame-i18n.sh b/t/t8005-blame-i18n.sh
index 4470a92bb2..fcd5c26675 100755
--- a/t/t8005-blame-i18n.sh
+++ b/t/t8005-blame-i18n.sh
@@ -36,7 +36,7 @@ EOF
 test_expect_success \
 	'blame respects i18n.commitencoding' '
 	git blame --incremental file | \
-		grep "^\(author\|summary\) " > actual &&
+		egrep "^(author|summary) " > actual &&
 	test_cmp actual expected
 '
 
@@ -53,7 +53,7 @@ test_expect_success \
 	'blame respects i18n.logoutputencoding' '
 	git config i18n.logoutputencoding cp1251 &&
 	git blame --incremental file | \
-		grep "^\(author\|summary\) " > actual &&
+		egrep "^(author|summary) " > actual &&
 	test_cmp actual expected
 '
 
@@ -69,7 +69,7 @@ EOF
 test_expect_success \
 	'blame respects --encoding=utf-8' '
 	git blame --incremental --encoding=utf-8 file | \
-		grep "^\(author\|summary\) " > actual &&
+		egrep "^(author|summary) " > actual &&
 	test_cmp actual expected
 '
 
@@ -85,7 +85,7 @@ EOF
 test_expect_success \
 	'blame respects --encoding=none' '
 	git blame --incremental --encoding=none file | \
-		grep "^\(author\|summary\) " > actual &&
+		egrep "^(author|summary) " > actual &&
 	test_cmp actual expected
 '