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#!/bin/sh | |
# | |
# This hook does two things: | |
# | |
# 1. update the "info" files that allow the list of references to be | |
# queries over dumb transports such as http | |
# | |
# 2. if this repository looks like it is a non-bare repository, and | |
# the checked-out branch is pushed to, then update the working copy. | |
# This makes "push" function somewhat similarly to darcs and bzr. | |
# | |
# To enable this hook, make this file executable by "chmod +x post-update". | |
git update-server-info | |
is_bare=$(git config --get --bool core.bare) | |
if [ -z "$is_bare" ] | |
then | |
# for compatibility's sake, guess | |
git_dir_full=$(cd $GIT_DIR; pwd) | |
case $git_dir_full in */.git) is_bare=false;; *) is_bare=true;; esac | |
fi | |
update_wc() { | |
ref=$1 | |
echo "Push to checked out branch $ref" >&2 | |
if [ ! -f $GIT_DIR/logs/HEAD ] | |
then | |
echo "E:push to non-bare repository requires a HEAD reflog" >&2 | |
exit 1 | |
fi | |
if (cd $GIT_WORK_TREE; git diff-files -q --exit-code >/dev/null) | |
then | |
wc_dirty=0 | |
else | |
echo "W:unstaged changes found in working copy" >&2 | |
wc_dirty=1 | |
desc="working copy" | |
fi | |
if git diff-index --cached HEAD@{1} >/dev/null | |
then | |
index_dirty=0 | |
else | |
echo "W:uncommitted, staged changes found" >&2 | |
index_dirty=1 | |
if [ -n "$desc" ] | |
then | |
desc="$desc and index" | |
else | |
desc="index" | |
fi | |
fi | |
if [ "$wc_dirty" -ne 0 -o "$index_dirty" -ne 0 ] | |
then | |
new=$(git rev-parse HEAD) | |
echo "W:stashing dirty $desc - see git-stash(1)" >&2 | |
( trap 'echo trapped $$; git symbolic-ref HEAD "'"$ref"'"' 2 3 13 15 ERR EXIT | |
git update-ref --no-deref HEAD HEAD@{1} | |
cd $GIT_WORK_TREE | |
git stash save "dirty $desc before update to $new"; | |
git symbolic-ref HEAD "$ref" | |
) | |
fi | |
# eye candy - show the WC updates :) | |
echo "Updating working copy" >&2 | |
(cd $GIT_WORK_TREE | |
git diff-index -R --name-status HEAD >&2 | |
git reset --hard HEAD) | |
} | |
if [ "$is_bare" = "false" ] | |
then | |
active_branch=`git symbolic-ref HEAD` | |
export GIT_DIR=$(cd $GIT_DIR; pwd) | |
GIT_WORK_TREE=${GIT_WORK_TREE-..} | |
for ref | |
do | |
if [ "$ref" = "$active_branch" ] | |
then | |
update_wc $ref | |
fi | |
done | |
fi |
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