The comment from an earlier commit did not reflect the actual reason this
operation is needed.
Signed-off-by: Tim Henigan <tim.henigan@xxxxxxxxx>
---
v2 did not affect this patch.
contrib/diffall/git-diffall | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/contrib/diffall/git-diffall b/contrib/diffall/git-diffall
index 9bbd27f..d706a6d 100755
--- a/contrib/diffall/git-diffall
+++ b/contrib/diffall/git-diffall
@@ -36,7 +36,9 @@ fi
start_dir=$(pwd)
-# needed to access tar utility
+# All the file paths returned by the diff command are relative to the root
+# of the working copy. So if the script is called from a subdirectory, it
+# must switch to the root of working copy before trying to use those paths.
cdup=$(git rev-parse --show-cdup) &&
cd "$cdup" || {
echo >&2 "Cannot chdir to $cdup, the toplevel of the working tree"
--
1.7.10.rc0
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