rev-parse: --show-cdup

When --show-prefix is useful, sometimes it is easier to cd up to
the toplevel of the tree.  This is equivalent to:

    git rev-parse --show-prefix | sed -e 's|[^/][^/]*|..|g'

but we do not have to invoke sed for that.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2005-12-22 22:35:38 -08:00
parent c10d634518
commit 5f94c730f3
2 changed files with 18 additions and 1 deletions

View File

@ -68,10 +68,15 @@ OPTIONS
Show all refs found in `$GIT_DIR/refs`.
--show-prefix::
When the command is invoked from a directory show the
When the command is invoked from a subdirectory, show the
path of the current directory relative to the top-level
directory.
--show-cdup::
When the command is invoked from a subdirectory, show the
path of the top-level directory relative to the current
directory (typically a sequence of "../", or an empty string).
--since=datestring, --after=datestring::
Parses the date string, and outputs corresponding
--max-age= parameter for git-rev-list command.

View File

@ -216,6 +216,18 @@ int main(int argc, char **argv)
puts(prefix);
continue;
}
if (!strcmp(arg, "--show-cdup")) {
const char *pfx = prefix;
while (pfx) {
pfx = strchr(pfx, '/');
if (pfx) {
pfx++;
printf("../");
}
}
putchar('\n');
continue;
}
if (!strcmp(arg, "--git-dir")) {
const char *gitdir = getenv(GIT_DIR_ENVIRONMENT);
static char cwd[PATH_MAX];