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git wrapper: add --git-dir=<path> and --bare options 

With this, you can say

	git --bare repack -a -d

inside a bare repository, and it will actually work. While at it,
also move the --version, --help and --exec-path options to the
handle_options() function.

While at documenting the new options, also document the --paginate
option.

Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Johannes Schindelin 2006-07-25 20:24:22 +02:00 committed by Junio C Hamano
parent 4ab243a944
commit 6acbcb927f
3 changed files with 58 additions and 47 deletions
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12
Documentation/git.txt
View File

@ -8,7 +8,8 @@ git - the stupid content tracker
SYNOPSIS
--------
'git' [--version] [--exec-path[=GIT_EXEC_PATH]] [--help] COMMAND [ARGS]
'git' [--version] [--exec-path[=GIT_EXEC_PATH]] [-p|--paginate]
[--bare] [--git-dir=GIT_DIR] [--help] COMMAND [ARGS]
DESCRIPTION
-----------
@ -41,6 +42,15 @@ OPTIONS
environment variable. If no path is given 'git' will print
the current setting and then exit.
-p|--paginate::
Pipe all output into 'less' (or if set, $PAGER).
--git-dir=<path>::
Set the path to the repository. This can also be controlled by
setting the GIT_DIR environment variable.
--bare::
Same as --git-dir=`pwd`.
FURTHER DOCUMENTATION
---------------------

2
builtin-help.c
View File

@ -229,7 +229,7 @@ int cmd_version(int argc, const char **argv, char **envp)
int cmd_help(int argc, const char **argv, char **envp)
{
const char *help_cmd = argv[1];
const char *help_cmd = argc > 1 ? argv[1] : NULL;
if (!help_cmd)
cmd_usage(0, git_exec_path(), NULL);
else if (!strcmp(help_cmd, "--all") || !strcmp(help_cmd, "-a"))

91
git.c
View File

@ -44,10 +44,42 @@ static int handle_options(const char*** argv, int* argc)
if (cmd[0] != '-')
break;
if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) {
/*
* For legacy reasons, the "version" and "help"
* commands can be written with "--" prepended
* to make them look like flags.
*/
if (!strcmp(cmd, "--help") || !strcmp(cmd, "--version"))
break;
/*
* Check remaining flags.
*/
if (!strncmp(cmd, "--exec-path", 11)) {
cmd += 11;
if (*cmd == '=')
git_set_exec_path(cmd + 1);
else {
puts(git_exec_path());
exit(0);
}
} else if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) {
setup_pager();
} else
die ("Unknown option: %s", cmd);
} else if (!strcmp(cmd, "--git-dir")) {
if (*argc < 1)
return -1;
setenv("GIT_DIR", (*argv)[1], 1);
(*argv)++;
(*argc)--;
} else if (!strncmp(cmd, "--git-dir=", 10)) {
setenv("GIT_DIR", cmd + 10, 1);
} else if (!strcmp(cmd, "--bare")) {
static char git_dir[1024];
setenv("GIT_DIR", getcwd(git_dir, 1024), 1);
} else {
fprintf(stderr, "Unknown option: %s\n", cmd);
cmd_usage(0, NULL, NULL);
}
(*argv)++;
(*argc)--;
@ -293,50 +325,19 @@ int main(int argc, const char **argv, char **envp)
die("cannot handle %s internally", cmd);
}
/* Default command: "help" */
cmd = "help";
/* Look for flags.. */
while (argc > 1) {
argv++;
argc--;
handle_options(&argv, &argc);
cmd = *argv;
if (strncmp(cmd, "--", 2))
break;
cmd += 2;
/*
* For legacy reasons, the "version" and "help"
* commands can be written with "--" prepended
* to make them look like flags.
*/
if (!strcmp(cmd, "help"))
break;
if (!strcmp(cmd, "version"))
break;
/*
* Check remaining flags (which by now must be
* "--exec-path", but maybe we will accept
* other arguments some day)
*/
if (!strncmp(cmd, "exec-path", 9)) {
cmd += 9;
if (*cmd == '=') {
git_set_exec_path(cmd + 1);
continue;
}
puts(git_exec_path());
exit(0);
}
cmd_usage(0, NULL, NULL);
argv++;
argc--;
handle_options(&argv, &argc);
if (argc > 0) {
if (!strncmp(argv[0], "--", 2))
argv[0] += 2;
} else {
/* Default command: "help" */
argv[0] = "help";
argc = 1;
}
argv[0] = cmd;
cmd = argv[0];
/*
* We search for git commands in the following order: