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git/t/t5571-pre-push-hook.sh
Aaron Schrab ec55559f93 push: Add support for pre-push hooks
Add support for a pre-push hook which can be used to determine if the
set of refs to be pushed is suitable for the target repository.  The
hook is run with two arguments specifying the name and location of the
destination repository.

Information about what is to be pushed is provided by sending lines of
the following form to the hook's standard input:

  <local ref> SP <local sha1> SP <remote ref> SP <remote sha1> LF

If the hook exits with a non-zero status, the push will be aborted.

This will allow the script to determine if the push is acceptable based
on the target repository and branch(es), the commits which are to be
pushed, and even the source branches in some cases.

Signed-off-by: Aaron Schrab <aaron@schrab.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-01-18 11:13:22 -08:00

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#!/bin/sh
test_description='check pre-push hooks'
. ./test-lib.sh
# Setup hook that always succeeds
HOOKDIR="$(git rev-parse --git-dir)/hooks"
HOOK="$HOOKDIR/pre-push"
mkdir -p "$HOOKDIR"
write_script "$HOOK" <<EOF
cat >/dev/null
exit 0
EOF
test_expect_success 'setup' '
git config push.default upstream &&
git init --bare repo1 &&
git remote add parent1 repo1 &&
test_commit one &&
git push parent1 HEAD:foreign
'
write_script "$HOOK" <<EOF
cat >/dev/null
exit 1
EOF
COMMIT1="$(git rev-parse HEAD)"
export COMMIT1
test_expect_success 'push with failing hook' '
test_commit two &&
test_must_fail git push parent1 HEAD
'
test_expect_success '--no-verify bypasses hook' '
git push --no-verify parent1 HEAD
'
COMMIT2="$(git rev-parse HEAD)"
export COMMIT2
write_script "$HOOK" <<'EOF'
echo "$1" >actual
echo "$2" >>actual
cat >>actual
EOF
cat >expected <<EOF
parent1
repo1
refs/heads/master $COMMIT2 refs/heads/foreign $COMMIT1
EOF
test_expect_success 'push with hook' '
git push parent1 master:foreign &&
diff expected actual
'
test_expect_success 'add a branch' '
git checkout -b other parent1/foreign &&
test_commit three
'
COMMIT3="$(git rev-parse HEAD)"
export COMMIT3
cat >expected <<EOF
parent1
repo1
refs/heads/other $COMMIT3 refs/heads/foreign $COMMIT2
EOF
test_expect_success 'push to default' '
git push &&
diff expected actual
'
cat >expected <<EOF
parent1
repo1
refs/tags/one $COMMIT1 refs/tags/tag1 $_z40
HEAD~ $COMMIT2 refs/heads/prev $_z40
EOF
test_expect_success 'push non-branches' '
git push parent1 one:tag1 HEAD~:refs/heads/prev &&
diff expected actual
'
cat >expected <<EOF
parent1
repo1
(delete) $_z40 refs/heads/prev $COMMIT2
EOF
test_expect_success 'push delete' '
git push parent1 :prev &&
diff expected actual
'
cat >expected <<EOF
repo1
repo1
HEAD $COMMIT3 refs/heads/other $_z40
EOF
test_expect_success 'push to URL' '
git push repo1 HEAD &&
diff expected actual
'
# Test that filling pipe buffers doesn't cause failure
# Too slow to leave enabled for general use
if false
then
printf 'parent1\nrepo1\n' >expected
nr=1000
while test $nr -lt 2000
do
nr=$(( $nr + 1 ))
git branch b/$nr $COMMIT3
echo "refs/heads/b/$nr $COMMIT3 refs/heads/b/$nr $_z40" >>expected
done
test_expect_success 'push many refs' '
git push parent1 "refs/heads/b/*:refs/heads/b/*" &&
diff expected actual
'
fi
test_done