git/t/t5401-update-hooks.sh
Shawn O. Pearce 733f1815ab Use 'printf %s $x' notation in t5401
We only care about getting what should be an empty string and
sending it to a file, without a trailing LF, so the empty string
translates into a 0 byte file.  Earlier when I originally wrote
these lines Mac OS X allowed the format string of printf to be
the empty string, but more recent versions appear to have been
'improved' with error messages if the format is not given.

This may cause problems if we ever wind up with changes to the hook
tests.  A minor cleanup makes the test more safe on all systems,
by conforming to accepted printf conventions.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-01-30 17:17:39 -08:00

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#!/bin/sh
#
# Copyright (c) 2006 Shawn O. Pearce
#
test_description='Test the update hook infrastructure.'
. ./test-lib.sh
test_expect_success setup '
echo This is a test. >a &&
git update-index --add a &&
tree0=$(git write-tree) &&
commit0=$(echo setup | git commit-tree $tree0) &&
echo We hope it works. >a &&
git update-index a &&
tree1=$(git write-tree) &&
commit1=$(echo modify | git commit-tree $tree1 -p $commit0) &&
git update-ref refs/heads/master $commit0 &&
git update-ref refs/heads/tofail $commit1 &&
git-clone ./. victim &&
GIT_DIR=victim/.git git update-ref refs/heads/tofail $commit1 &&
git update-ref refs/heads/master $commit1 &&
git update-ref refs/heads/tofail $commit0
'
cat >victim/.git/hooks/pre-receive <<'EOF'
#!/bin/sh
printf %s "$@" >>$GIT_DIR/pre-receive.args
cat - >$GIT_DIR/pre-receive.stdin
echo STDOUT pre-receive
echo STDERR pre-receive >&2
EOF
chmod u+x victim/.git/hooks/pre-receive
cat >victim/.git/hooks/update <<'EOF'
#!/bin/sh
echo "$@" >>$GIT_DIR/update.args
read x; printf %s "$x" >$GIT_DIR/update.stdin
echo STDOUT update $1
echo STDERR update $1 >&2
test "$1" = refs/heads/master || exit
EOF
chmod u+x victim/.git/hooks/update
cat >victim/.git/hooks/post-receive <<'EOF'
#!/bin/sh
printf %s "$@" >>$GIT_DIR/post-receive.args
cat - >$GIT_DIR/post-receive.stdin
echo STDOUT post-receive
echo STDERR post-receive >&2
EOF
chmod u+x victim/.git/hooks/post-receive
cat >victim/.git/hooks/post-update <<'EOF'
#!/bin/sh
echo "$@" >>$GIT_DIR/post-update.args
read x; printf %s "$x" >$GIT_DIR/post-update.stdin
echo STDOUT post-update
echo STDERR post-update >&2
EOF
chmod u+x victim/.git/hooks/post-update
test_expect_failure push '
git-send-pack --force ./victim/.git master tofail >send.out 2>send.err
'
test_expect_success 'updated as expected' '
test $(GIT_DIR=victim/.git git rev-parse master) = $commit1 &&
test $(GIT_DIR=victim/.git git rev-parse tofail) = $commit1
'
test_expect_success 'hooks ran' '
test -f victim/.git/pre-receive.args &&
test -f victim/.git/pre-receive.stdin &&
test -f victim/.git/update.args &&
test -f victim/.git/update.stdin &&
test -f victim/.git/post-receive.args &&
test -f victim/.git/post-receive.stdin &&
test -f victim/.git/post-update.args &&
test -f victim/.git/post-update.stdin
'
test_expect_success 'pre-receive hook input' '
(echo $commit0 $commit1 refs/heads/master;
echo $commit1 $commit0 refs/heads/tofail
) | git diff - victim/.git/pre-receive.stdin
'
test_expect_success 'update hook arguments' '
(echo refs/heads/master $commit0 $commit1;
echo refs/heads/tofail $commit1 $commit0
) | git diff - victim/.git/update.args
'
test_expect_success 'post-receive hook input' '
echo $commit0 $commit1 refs/heads/master |
git diff - victim/.git/post-receive.stdin
'
test_expect_success 'post-update hook arguments' '
echo refs/heads/master |
git diff - victim/.git/post-update.args
'
test_expect_success 'all hook stdin is /dev/null' '
! test -s victim/.git/update.stdin &&
! test -s victim/.git/post-update.stdin
'
test_expect_success 'all *-receive hook args are empty' '
! test -s victim/.git/pre-receive.args &&
! test -s victim/.git/post-receive.args
'
test_expect_failure 'send-pack produced no output' '
test -s send.out
'
cat <<EOF >expect
STDOUT pre-receive
STDERR pre-receive
STDOUT update refs/heads/master
STDERR update refs/heads/master
STDOUT update refs/heads/tofail
STDERR update refs/heads/tofail
STDOUT post-receive
STDERR post-receive
STDOUT post-update
STDERR post-update
EOF
test_expect_success 'send-pack stderr contains hook messages' '
grep ^STD send.err >actual &&
git diff - actual <expect
'
test_done