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git checkout's reflog: even when detaching the HEAD, say from where

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When checking out another ref, the reflogs already record from which
branch you switched.  Do that also when switching to a detached HEAD.

While at it, record also when coming _from_ a detached HEAD.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin 2007-11-23 00:20:35 +00:00 committed by Junio C Hamano
parent 9e42d6a1c5
commit c67bbc55f0
1 changed files with 3 additions and 2 deletions
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5
git-checkout.sh
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@ -266,7 +266,7 @@ if [ "$?" -eq 0 ]; then
if test -n "$branch"
then
old_branch_name=`expr "z$oldbranch" : 'zrefs/heads/\(.*\)'`
GIT_DIR="$GIT_DIR" git symbolic-ref -m "checkout: moving from $old_branch_name to $branch" HEAD "refs/heads/$branch"
GIT_DIR="$GIT_DIR" git symbolic-ref -m "checkout: moving from ${old_branch_name:-$old} to $branch" HEAD "refs/heads/$branch"
if test -n "$quiet"
then
true # nothing
@ -278,7 +278,8 @@ if [ "$?" -eq 0 ]; then
fi
elif test -n "$detached"
then
git update-ref --no-deref -m "checkout: moving to $arg" HEAD "$detached" ||
old_branch_name=`expr "z$oldbranch" : 'zrefs/heads/\(.*\)'`
git update-ref --no-deref -m "checkout: moving from ${old_branch_name:-$old} to $arg" HEAD "$detached" ||
die "Cannot detach HEAD"
if test -n "$detach_warn"
then