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-rwxr-xr-xt/t5400-send-pack.sh303
1 files changed, 303 insertions, 0 deletions
diff --git a/t/t5400-send-pack.sh b/t/t5400-send-pack.sh
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--- /dev/null
+++ b/t/t5400-send-pack.sh
@@ -0,0 +1,303 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Junio C Hamano
+#
+
+test_description='See why rewinding head breaks send-pack
+
+'
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+. ./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 main) &&
+ victim_orig=$(cd victim && git rev-parse --verify main) &&
+ test_must_fail git send-pack ./victim main &&
+ victim_head=$(cd victim && git rev-parse --verify main) &&
+ test "$victim_head" = "$victim_orig" &&
+ # this should update
+ git send-pack --force ./victim main &&
+ victim_head=$(cd victim && git rev-parse --verify main) &&
+ test "$victim_head" = "$pushed_head"
+'
+
+test_expect_success 'push can be used to delete a ref' '
+ ( cd victim && git branch extra main ) &&
+ git send-pack ./victim :extra main &&
+ ( cd victim &&
+ test_must_fail git rev-parse --verify extra )
+'
+
+test_expect_success 'refuse deleting push with denyDeletes' '
+ (
+ cd victim &&
+ test_might_fail git branch -D extra &&
+ git config receive.denyDeletes true &&
+ git branch extra main
+ ) &&
+ test_must_fail git send-pack ./victim :extra main
+'
+
+test_expect_success 'cannot override denyDeletes with git -c send-pack' '
+ (
+ cd victim &&
+ test_might_fail git branch -D extra &&
+ git config receive.denyDeletes true &&
+ git branch extra main
+ ) &&
+ test_must_fail git -c receive.denyDeletes=false \
+ send-pack ./victim :extra main
+'
+
+test_expect_success 'override denyDeletes with git -c receive-pack' '
+ (
+ cd victim &&
+ test_might_fail git branch -D extra &&
+ git config receive.denyDeletes true &&
+ git branch extra main
+ ) &&
+ git send-pack \
+ --receive-pack="git -c receive.denyDeletes=false receive-pack" \
+ ./victim :extra main
+'
+
+test_expect_success 'denyNonFastforwards trumps --force' '
+ (
+ cd victim &&
+ test_might_fail git branch -D extra &&
+ git config receive.denyNonFastforwards true
+ ) &&
+ victim_orig=$(cd victim && git rev-parse --verify main) &&
+ test_must_fail git send-pack --force ./victim main^:main &&
+ victim_head=$(cd victim && git rev-parse --verify main) &&
+ test "$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-tool 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=$(cd parent && git rev-parse --verify main) &&
+ (
+ cd child &&
+ test_must_fail git send-pack ../parent \
+ refs/heads/main:refs/heads/main
+ ) &&
+ parent_head=$(cd parent && git rev-parse --verify main) &&
+ test "$parent_orig" = "$parent_head" &&
+ (
+ cd child &&
+ git send-pack ../parent \
+ +refs/heads/main:refs/heads/main
+ ) &&
+ parent_head=$(cd parent && git rev-parse --verify main) &&
+ child_head=$(cd child && git rev-parse --verify main) &&
+ test "$parent_head" = "$child_head"
+'
+
+test_expect_success 'pushing wildcard refspecs respects forcing' '
+ rewound_push_setup &&
+ parent_orig=$(cd parent && git rev-parse --verify main) &&
+ (
+ cd child &&
+ test_must_fail git send-pack ../parent \
+ "refs/heads/*:refs/heads/*"
+ ) &&
+ parent_head=$(cd parent && git rev-parse --verify main) &&
+ test "$parent_orig" = "$parent_head" &&
+ (
+ cd child &&
+ git send-pack ../parent \
+ "+refs/heads/*:refs/heads/*"
+ ) &&
+ parent_head=$(cd parent && git rev-parse --verify main) &&
+ child_head=$(cd child && git rev-parse --verify main) &&
+ 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/main 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/main
+ $local refs/remotes/origin/HEAD
+ $local refs/remotes/origin/main
+ $shared .have
+ EOF
+
+ GIT_TRACE_PACKET=$(pwd)/trace GIT_TEST_PROTOCOL_VERSION=0 \
+ git push \
+ --receive-pack="unset GIT_TRACE_PACKET; git-receive-pack" \
+ fork HEAD:foo &&
+ extract_ref_advertisement <trace >refs &&
+ test_cmp expect refs
+'
+
+test_done