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help: Teach help to try harder to locate help

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Help now tries to takes the argument as is and prefixed
with "git-". If no html page is found an error is
reported.

With this change you can run "git help user-manual".

Signed-off-by: Steffen Prohaska <prohaska@zib.de>
This commit is contained in:
Steffen Prohaska
2007-11-04 23:50:23 +01:00
parent a67246dc8a
commit 9dcfde61ed
1 changed files with 24 additions and 11 deletions
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35
help.c
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@@ -7,6 +7,7 @@
#include "builtin.h"
#include "exec_cmd.h"
#include "common-cmds.h"
#include "dir.h"
//#include <sys/ioctl.h>
/* most GUI terminals set COLUMNS (although some don't export it) */
@@ -242,6 +243,29 @@ void list_common_cmds_help(void)
static void show_man_page(const char *git_cmd)
{
#ifdef __MINGW32__
{
char *htmlpath = make_native_separator(
mkpath("%s/doc/git/html/%s.html"
, git_install_prefix()
, git_cmd)
);
if (!file_exists(htmlpath)) {
htmlpath = make_native_separator(
mkpath("%s/doc/git/html/git-%s.html"
, git_install_prefix()
, git_cmd)
);
if (!file_exists(htmlpath)) {
fprintf(stderr, "Can't find help for '%s'.\n"
, git_cmd);
exit(1);
}
}
printf("Launching default browser to display HTML help ...\n");
ShellExecute(NULL, "open", htmlpath, NULL, NULL, 0);
}
#else
const char *page;
if (!prefixcmp(git_cmd, "git"))
@@ -255,17 +279,6 @@ static void show_man_page(const char *git_cmd)
page = p;
}
#ifdef __MINGW32__
{
const char *htmlpath = make_native_separator(
mkpath("%s/doc/git/html/%s.html"
, git_install_prefix()
, page)
);
printf("Launching default browser to display HTML help ...\n");
ShellExecute(NULL, "open", htmlpath, NULL, NULL, 0);
}
#else
execlp("man", "man", page, NULL);
#endif
}