git_exec_path, execv_git_cmd: ignore empty environment variables

Ignoring empty environment variables is good common practice.
Ignoring --exec-path with empty argument won't harm, too:
if user means current directory, there is a "--exec-path=."

Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Dmitry V. Levin 2006-05-29 04:34:34 +04:00 committed by Junio C Hamano
parent d685990101
commit 2b6016263c

View File

@ -21,7 +21,7 @@ const char *git_exec_path(void)
return current_exec_path;
env = getenv("GIT_EXEC_PATH");
if (env) {
if (env && *env) {
return env;
}
@ -43,7 +43,7 @@ int execv_git_cmd(const char **argv)
const char *exec_dir = paths[i];
const char *tmp;
if (!exec_dir) continue;
if (!exec_dir || !*exec_dir) continue;
if (*exec_dir != '/') {
if (!getcwd(git_command, sizeof(git_command))) {