setup: Provide GIT_PREFIX to built-ins

GIT_PREFIX was added in 7cf16a14f5 so that
aliases can know the directory from which a !alias was called.

Knowing the prefix relative to the root is helpful in other programs
so export it to built-ins as well.

Helped-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
David Aguilar
2011-05-25 20:37:12 -07:00
committed by Junio C Hamano
parent 7cf16a14f5
commit 1f5d271f5e
2 changed files with 21 additions and 0 deletions

View File

@ -602,6 +602,11 @@ const char *setup_git_directory_gently(int *nongit_ok)
const char *prefix;
prefix = setup_git_directory_gently_1(nongit_ok);
if (prefix)
setenv("GIT_PREFIX", prefix, 1);
else
setenv("GIT_PREFIX", "", 1);
if (startup_info) {
startup_info->have_repository = !nongit_ok || !*nongit_ok;
startup_info->prefix = prefix;