[PATCH] Add "--git-dir" flag to git-rev-parse
Especially when you're deep inside the git repository, it's not all that trivial for scripts to figure out where GIT_DIR is if it isn't set. So add a flag to git-rev-parse to show where it is, since it will have figured it out anyway. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
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rev-parse.c
16
rev-parse.c
@ -191,6 +191,22 @@ int main(int argc, char **argv)
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puts(prefix);
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continue;
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}
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if (!strcmp(arg, "--git-dir")) {
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const char *gitdir = getenv(GIT_DIR_ENVIRONMENT);
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static char cwd[PATH_MAX];
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if (gitdir) {
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puts(gitdir);
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continue;
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}
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if (!prefix) {
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puts(".git");
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continue;
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}
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if (!getcwd(cwd, PATH_MAX))
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die("unable to get current working directory");
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printf("%s/.git\n", cwd);
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continue;
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}
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if (verify)
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die("Needed a single revision");
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show_flag(arg);
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