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#!/bin/sh
#
# Copyright (c) 2005 Junio C Hamano
#
test_description='See why rewinding head breaks send-pack
'
. ./test-lib.sh
cnt=64
test_expect_success setup '
test_tick &&
mkdir mozart mozart/is &&
echo "Commit #0" >mozart/is/pink &&
git update-index --add mozart/is/pink &&
tree=$(git write-tree) &&
commit=$(echo "Commit #0" | git commit-tree $tree) &&
zero=$commit &&
parent=$zero &&
i=0 &&
while test $i -le $cnt
do
i=$(($i+1)) &&
test_tick &&
echo "Commit #$i" >mozart/is/pink &&
git update-index --add mozart/is/pink &&
tree=$(git write-tree) &&
commit=$(echo "Commit #$i" | git commit-tree $tree -p $parent) &&
git update-ref refs/tags/commit$i $commit &&
parent=$commit || return 1
done &&
git update-ref HEAD "$commit" &&
git clone ./. victim &&
( cd victim && git config receive.denyCurrentBranch warn && git log ) &&
git update-ref HEAD "$zero" &&
parent=$zero &&
i=0 &&
while test $i -le $cnt
do
i=$(($i+1)) &&
test_tick &&
echo "Rebase #$i" >mozart/is/pink &&
git update-index --add mozart/is/pink &&
tree=$(git write-tree) &&
commit=$(echo "Rebase #$i" | git commit-tree $tree -p $parent) &&
git update-ref refs/tags/rebase$i $commit &&
parent=$commit || return 1
done &&
git update-ref HEAD "$commit" &&
echo Rebase &&
git log'
test_expect_success 'pack the source repository' '
git repack -a -d &&
git prune
'
test_expect_success 'pack the destination repository' '
(
cd victim &&
git repack -a -d &&
git prune
)
'
test_expect_success 'refuse pushing rewound head without --force' '
pushed_head=$(git rev-parse --verify master) &&
victim_orig=$(cd victim && git rev-parse --verify master) &&
test_must_fail git send-pack ./victim master &&
victim_head=$(cd victim && git rev-parse --verify master) &&
test "$victim_head" = "$victim_orig" &&
# this should update
git send-pack --force ./victim master &&
victim_head=$(cd victim && git rev-parse --verify master) &&
test "$victim_head" = "$pushed_head"
'
test_expect_success 'push can be used to delete a ref' '
( cd victim && git branch extra master ) &&
git send-pack ./victim :extra master &&
( cd victim &&
test_must_fail git rev-parse --verify extra )
'
test_expect_success 'refuse deleting push with denyDeletes' '
(
cd victim &&
( git branch -D extra || : ) &&
git config receive.denyDeletes true &&
git branch extra master
) &&
test_must_fail git send-pack ./victim :extra master
'
test_expect_success 'cannot override denyDeletes with git -c send-pack' '
(
cd victim &&
test_might_fail git branch -D extra &&
git config receive.denyDeletes true &&
git branch extra master
) &&
test_must_fail git -c receive.denyDeletes=false \
send-pack ./victim :extra master
'
test_expect_success 'override denyDeletes with git -c receive-pack' '
(
cd victim &&
test_might_fail git branch -D extra &&
git config receive.denyDeletes true &&
git branch extra master
) &&
git send-pack \
--receive-pack="git -c receive.denyDeletes=false receive-pack" \
./victim :extra master
'
test_expect_success 'denyNonFastforwards trumps --force' '
(
cd victim &&
( git branch -D extra || : ) &&
git config receive.denyNonFastforwards true
) &&
victim_orig=$(cd victim && git rev-parse --verify master) &&
test_must_fail git send-pack --force ./victim master^:master &&
victim_head=$(cd victim && git rev-parse --verify master) &&
test "$victim_orig" = "$victim_head"
'
test_expect_success 'send-pack --all sends all branches' '
# make sure we have at least 2 branches with different
# values, just to be thorough
git branch other-branch HEAD^ &&
git init --bare all.git &&
git send-pack --all all.git &&
git for-each-ref refs/heads >expect &&
git -C all.git for-each-ref refs/heads >actual &&
test_cmp expect actual
'
test_expect_success 'push --all excludes remote-tracking hierarchy' '
mkdir parent &&
(
cd parent &&
git init && : >file && git add file && git commit -m add
) &&
git clone parent child &&
(
cd child && git push --all
) &&
(
cd parent &&
test -z "$(git for-each-ref refs/remotes/origin)"
)
'
test_expect_success 'receive-pack runs auto-gc in remote repo' '
rm -rf parent child &&
git init parent &&
(
# Setup a repo with 2 packs
cd parent &&
echo "Some text" >file.txt &&
git add . &&
git commit -m "Initial commit" &&
git repack -adl &&
echo "Some more text" >>file.txt &&
git commit -a -m "Second commit" &&
git repack
) &&
cp -R parent child &&
(
# Set the child to auto-pack if more than one pack exists
cd child &&
git config gc.autopacklimit 1 &&
git config gc.autodetach false &&
git branch test_auto_gc &&
# And create a file that follows the temporary object naming
# convention for the auto-gc to remove
: >.git/objects/tmp_test_object &&
test-chmtime =-1209601 .git/objects/tmp_test_object
) &&
(
cd parent &&
echo "Even more text" >>file.txt &&
git commit -a -m "Third commit" &&
git send-pack ../child HEAD:refs/heads/test_auto_gc
) &&
test ! -e child/.git/objects/tmp_test_object
'
rewound_push_setup() {
rm -rf parent child &&
mkdir parent &&
(
cd parent &&
git init &&
echo one >file && git add file && git commit -m one &&
git config receive.denyCurrentBranch warn &&
echo two >file && git commit -a -m two
) &&
git clone parent child &&
(
cd child && git reset --hard HEAD^
)
}
test_expect_success 'pushing explicit refspecs respects forcing' '
rewound_push_setup &&
parent_orig=$(cd parent && git rev-parse --verify master) &&
(
cd child &&
test_must_fail git send-pack ../parent \
refs/heads/master:refs/heads/master
) &&
parent_head=$(cd parent && git rev-parse --verify master) &&
test "$parent_orig" = "$parent_head" &&
(
cd child &&
git send-pack ../parent \
+refs/heads/master:refs/heads/master
) &&
parent_head=$(cd parent && git rev-parse --verify master) &&
child_head=$(cd child && git rev-parse --verify master) &&
test "$parent_head" = "$child_head"
'
test_expect_success 'pushing wildcard refspecs respects forcing' '
rewound_push_setup &&
parent_orig=$(cd parent && git rev-parse --verify master) &&
(
cd child &&
test_must_fail git send-pack ../parent \
"refs/heads/*:refs/heads/*"
) &&
parent_head=$(cd parent && git rev-parse --verify master) &&
test "$parent_orig" = "$parent_head" &&
(
cd child &&
git send-pack ../parent \
"+refs/heads/*:refs/heads/*"
) &&
parent_head=$(cd parent && git rev-parse --verify master) &&
child_head=$(cd child && git rev-parse --verify master) &&
test "$parent_head" = "$child_head"
'
test_expect_success 'deny pushing to delete current branch' '
rewound_push_setup &&
(
cd child &&
test_must_fail git send-pack ../parent :refs/heads/master 2>errs
)
'
extract_ref_advertisement () {
perl -lne '
# \\ is there to skip capabilities after \0
/push< ([^\\]+)/ or next;
exit 0 if $1 eq "0000";
print $1;
'
}
test_expect_success 'receive-pack de-dupes .have lines' '
git init shared &&
git -C shared commit --allow-empty -m both &&
git clone -s shared fork &&
(
cd shared &&
git checkout -b only-shared &&
git commit --allow-empty -m only-shared &&
git update-ref refs/heads/foo HEAD
) &&
# Notable things in this expectation:
# - local refs are not de-duped
# - .have does not duplicate locals
# - .have does not duplicate itself
local=$(git -C fork rev-parse HEAD) &&
shared=$(git -C shared rev-parse only-shared) &&
cat >expect <<-EOF &&
$local refs/heads/master
$local refs/remotes/origin/HEAD
$local refs/remotes/origin/master
$shared .have
EOF
GIT_TRACE_PACKET=$(pwd)/trace git push fork HEAD:foo &&
extract_ref_advertisement <trace >refs &&
test_cmp expect refs
'
test_done