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Add git-symbolic-ref

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This adds the counterpart of git-update-ref that lets you read
and create "symbolic refs".  By default it uses a symbolic link
to represent ".git/HEAD -> refs/heads/master", but it can be compiled
to use the textfile symbolic ref.

The places that did 'readlink .git/HEAD' and 'ln -s refs/heads/blah
.git/HEAD' have been converted to use new git-symbolic-ref command, so
that they can deal with either implementation.

Signed-off-by: Junio C Hamano <junio@twinsun.com>
This commit is contained in:
Junio C Hamano
2005-09-30 14:26:57 -07:00
committed by Junio C Hamano
parent a876ed83be
commit 8098a178b2
16 changed files with 175 additions and 56 deletions
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17
git-commit.sh
View File

@ -153,15 +153,8 @@ if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
fi >>.editmsg
PARENTS="-p HEAD"
if [ ! -r "$GIT_DIR/HEAD" ]; then
if [ -z "$(git-ls-files)" ]; then
echo Nothing to commit 1>&2
exit 1
fi
PARENTS=""
current=
else
current=$(git-rev-parse --verify HEAD)
if GIT_DIR="$GIT_DIR" git-rev-parse --verify HEAD >/dev/null 2>&1
then
if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
PARENTS="-p HEAD "`sed -e 's/^/-p /' "$GIT_DIR/MERGE_HEAD"`
fi
@ -194,6 +187,12 @@ else
export GIT_AUTHOR_EMAIL
export GIT_AUTHOR_DATE
fi
else
if [ -z "$(git-ls-files)" ]; then
echo Nothing to commit 1>&2
exit 1
fi
PARENTS=""
fi
git-status >>.editmsg
if [ "$?" != "0" -a ! -f $GIT_DIR/MERGE_HEAD ]