[RFC PATCH 2/2] Support shell scripts that run from symlinks into a git working dir

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Use "cd -P" instead of just "cd" when switching to the top level
of the git working directory.  When working from a symlink
into GIT_WORK_TREE, the shell function cd_to_toplevel will now
change to GIT_WORK_TREE rather than the parent of the symlink,
which may not even be the root of a git working directory.

Unfortunately this solution looks non-portable.

Signed-off-by: Marcel M. Cary <marcel@xxxxxxxxxxxxxxxx>
---
 git-sh-setup.sh |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/git-sh-setup.sh b/git-sh-setup.sh
index dbdf209..4006150 100755
--- a/git-sh-setup.sh
+++ b/git-sh-setup.sh
@@ -85,7 +85,7 @@ cd_to_toplevel () {
 	cdup=$(git rev-parse --show-cdup)
 	if test ! -z "$cdup"
 	then
-		cd "$cdup" || {
+		cd -P "$cdup" || {
 			echo >&2 "Cannot chdir to $cdup, the toplevel of the working tree"
 			exit 1
 		}
-- 
1.6.0.3

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