From: Johannes Sixt <j.sixt@viscovery.net>
Date: Wed, 18 Mar 2009 07:42:53 GMT
Subject: Re: --exec-path not always honored
Message-ID: <49C0A5FD.70004@viscovery.net>
In-Reply-To: <7v7i2nmlpt.fsf@gitster.siamese.dyndns.org>

Junio C Hamano schrieb:
> Johannes Sixt <j.sixt@viscovery.net> writes:
> 
>> git-gc is a builtin. Should git setenv("GIT_EXEC_PATH") before it runs
>> other git commands?
> 
> I think we just never have bothered about such a use case, but you are
> right.  It probably is a good solution, although setenv makes me feel a
> bit nervous for no rational reason.

This patch fixes the use case and is IMO the most logical solution.

diff --git a/exec_cmd.c b/exec_cmd.c
index 217c125..408e4e5 100644
--- a/exec_cmd.c
+++ b/exec_cmd.c
@@ -61,6 +61,10 @@ const char *git_extract_argv0_path(const char *argv0)
 void git_set_argv_exec_path(const char *exec_path)
 {
 	argv_exec_path = exec_path;
+	/*
+	 * Propagate this setting to external programs.
+	 */
+	setenv(EXEC_PATH_ENVIRONMENT, exec_path, 1);
 }