threads / patch / 13584

patch, 4 partsEliminate an unnecessary chdir("..")

Subject: [PATCH 4/4] Eliminate an unnecessary chdir("..")

## tl;dr

One message between May 20, 2008 and May 20, 2008. Diffs are folded; open one to read it.

replies: 0people: 1as markdown or json

David Reiss· May 20, 2008, 06:49 UTC · lore

In the case where setup_git_directory_gently fails, avoid the last chdir("..") by moving it after the ceil_offset check.

Signed-off-by: David Reiss <dreiss@facebook.com>
---
Johannes originally asked me to squash this, then asked me to keep the
patch minimal.  I'm including it here in case anyone else thinks it should
go in.  It should be harmless because getcwd is not called in the loop,
and any nonlocal exit from the loop is either a "die" or does a chdir
to cwd, which is an absolute path.
 setup.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
Show changes to setup.c +1 −1
diff --git a/setup.c b/setup.c
index c14b106..045ca20 100644
--- a/setup.c
+++ b/setup.c
@@ -446,7 +446,6 @@ const char *setup_git_directory_gently(int *nongit_ok)
 			check_repository_format_gently(nongit_ok);
 			return NULL;
 		}
-		chdir("..");
 		while (--offset > ceil_offset && cwd[offset] != '/');
 		if (offset <= ceil_offset) {
 			if (nongit_ok) {
@@ -457,6 +456,7 @@ const char *setup_git_directory_gently(int *nongit_ok)
 			}
 			die("Not a git repository");
 		}
+		chdir("..");
 	}
 
 	inside_git_dir = 0;
-- 
1.5.4

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