[PATCH 2/3] Add a parameter to specify the repository path

[Dennis Stosberg <dennis@stosberg.net>]

---
 builtin-help.c |    2 +-
 git.c          |    6 ++++++
 2 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/builtin-help.c b/builtin-help.c
index 7470faa..db233eb 100644
--- a/builtin-help.c
+++ b/builtin-help.c
@@ -10,7 +10,7 @@ #include "exec_cmd.h"
 #include "common-cmds.h"
 
 static const char git_usage[] =
-	"Usage: git [--version] [--exec-path[=GIT_EXEC_PATH]] [--help] COMMAND [ ARGS ]";
+	"Usage: git [--version] [--exec-path[=GIT_EXEC_PATH]] [--git-dir=GIT_DIR] [--help] COMMAND [ ARGS ]";
 
 /* most gui terms set COLUMNS (although some don't export it) */
 static int term_columns(void)
diff --git a/git.c b/git.c
index 94e9a4a..d49f626 100644
--- a/git.c
+++ b/git.c
@@ -277,6 +277,12 @@ int main(int argc, const char **argv, ch
 			puts(git_exec_path());
 			exit(0);
 		}
+
+		if (!strncmp(cmd, "git-dir=", 8)) {
+			setenv("GIT_DIR", cmd + 8, 1);
+			continue;
+		}
+
 		cmd_usage(0, NULL, NULL);
 	}
 	argv[0] = cmd;
-- 
1.4.0