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authorTim Henigan <tim.henigan@gmail.com>2012-03-14 16:38:02 (GMT)
committerJunio C Hamano <gitster@pobox.com>2012-03-14 22:19:55 (GMT)
commita22a9477fcd64a58fafc75d12320cda2c3ce9dbb (patch)
tree633df916c4aaf9615cbe2e032e1b2ec53ae20138 /contrib
parent260eb7e38966bdad79aae2e125c9a07b19abd0f8 (diff)
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contrib/diffall: comment actual reason for 'cdup'
The comment from an earlier commit did not reflect the actual reason this operation is needed. Signed-off-by: Tim Henigan <tim.henigan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'contrib')
-rwxr-xr-xcontrib/diffall/git-diffall4
1 files changed, 3 insertions, 1 deletions
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"