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handle_alias: provide GIT_PREFIX to !alias

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Provide an environment variable GIT_PREFIX which contains the subdirectory
from which a !alias was called (i.e. 'git rev-parse --show-prefix') since
these cd to the to level directory before they are executed.

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael J Gruber
2011-04-27 10:36:27 +02:00
committed by Junio C Hamano
parent 0daed41791
commit 7cf16a14f5
3 changed files with 21 additions and 1 deletions
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10
git.c
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@ -179,6 +179,8 @@ static int handle_alias(int *argcp, const char ***argv)
if (alias_string[0] == '!') {
const char **alias_argv;
int argc = *argcp, i;
struct strbuf sb = STRBUF_INIT;
const char *env[2];
commit_pager_choice();
@ -189,7 +191,13 @@ static int handle_alias(int *argcp, const char ***argv)
alias_argv[i] = (*argv)[i];
alias_argv[argc] = NULL;
ret = run_command_v_opt(alias_argv, RUN_USING_SHELL);
strbuf_addstr(&sb, "GIT_PREFIX=");
if (subdir)
strbuf_addstr(&sb, subdir);
env[0] = sb.buf;
env[1] = NULL;
ret = run_command_v_opt_cd_env(alias_argv, RUN_USING_SHELL, NULL, env);
strbuf_release(&sb);
if (ret >= 0) /* normal exit */
exit(ret);