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-rwxr-xr-xt/t1410-reflog.sh395
1 files changed, 395 insertions, 0 deletions
diff --git a/t/t1410-reflog.sh b/t/t1410-reflog.sh
new file mode 100755
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+++ b/t/t1410-reflog.sh
@@ -0,0 +1,395 @@
+#!/bin/sh
+#
+# Copyright (c) 2007 Junio C Hamano
+#
+
+test_description='Test prune and reflog expiration'
+. ./test-lib.sh
+
+check_have () {
+	gaah= &&
+	for N in "$@"
+	do
+		eval "o=\$$N" && git cat-file -t $o || {
+			echo Gaah $N
+			gaah=$N
+			break
+		}
+	done &&
+	test -z "$gaah"
+}
+
+check_fsck () {
+	git fsck --full >fsck.output
+	case "$1" in
+	'')
+		test_must_be_empty fsck.output ;;
+	*)
+		test_i18ngrep "$1" fsck.output ;;
+	esac
+}
+
+corrupt () {
+	mv .git/objects/$(test_oid_to_path $1) .git/$1
+}
+
+recover () {
+	aa=$(echo $1 | cut -c 1-2)
+	mkdir -p .git/objects/$aa
+	mv .git/$1 .git/objects/$(test_oid_to_path $1)
+}
+
+check_dont_have () {
+	gaah= &&
+	for N in "$@"
+	do
+		eval "o=\$$N"
+		git cat-file -t $o && {
+			echo Gaah $N
+			gaah=$N
+			break
+		}
+	done
+	test -z "$gaah"
+}
+
+test_expect_success setup '
+	test_oid_init &&
+	mkdir -p A/B &&
+	echo rat >C &&
+	echo ox >A/D &&
+	echo tiger >A/B/E &&
+	git add . &&
+
+	test_tick && git commit -m rabbit &&
+	H=$(git rev-parse --verify HEAD) &&
+	A=$(git rev-parse --verify HEAD:A) &&
+	B=$(git rev-parse --verify HEAD:A/B) &&
+	C=$(git rev-parse --verify HEAD:C) &&
+	D=$(git rev-parse --verify HEAD:A/D) &&
+	E=$(git rev-parse --verify HEAD:A/B/E) &&
+	check_fsck &&
+
+	test_chmod +x C &&
+	git add C &&
+	test_tick && git commit -m dragon &&
+	L=$(git rev-parse --verify HEAD) &&
+	check_fsck &&
+
+	rm -f C A/B/E &&
+	echo snake >F &&
+	echo horse >A/G &&
+	git add F A/G &&
+	test_tick && git commit -a -m sheep &&
+	F=$(git rev-parse --verify HEAD:F) &&
+	G=$(git rev-parse --verify HEAD:A/G) &&
+	I=$(git rev-parse --verify HEAD:A) &&
+	J=$(git rev-parse --verify HEAD) &&
+	check_fsck &&
+
+	rm -f A/G &&
+	test_tick && git commit -a -m monkey &&
+	K=$(git rev-parse --verify HEAD) &&
+	check_fsck &&
+
+	check_have A B C D E F G H I J K L &&
+
+	git prune &&
+
+	check_have A B C D E F G H I J K L &&
+
+	check_fsck &&
+
+	git reflog refs/heads/master >output &&
+	test_line_count = 4 output
+'
+
+test_expect_success rewind '
+	test_tick && git reset --hard HEAD~2 &&
+	test -f C &&
+	test -f A/B/E &&
+	! test -f F &&
+	! test -f A/G &&
+
+	check_have A B C D E F G H I J K L &&
+
+	git prune &&
+
+	check_have A B C D E F G H I J K L &&
+
+	git reflog refs/heads/master >output &&
+	test_line_count = 5 output
+'
+
+test_expect_success 'corrupt and check' '
+
+	corrupt $F &&
+	check_fsck "missing blob $F"
+
+'
+
+test_expect_success 'reflog expire --dry-run should not touch reflog' '
+
+	git reflog expire --dry-run \
+		--expire=$(($test_tick - 10000)) \
+		--expire-unreachable=$(($test_tick - 10000)) \
+		--stale-fix \
+		--all &&
+
+	git reflog refs/heads/master >output &&
+	test_line_count = 5 output &&
+
+	check_fsck "missing blob $F"
+'
+
+test_expect_success 'reflog expire' '
+
+	git reflog expire --verbose \
+		--expire=$(($test_tick - 10000)) \
+		--expire-unreachable=$(($test_tick - 10000)) \
+		--stale-fix \
+		--all &&
+
+	git reflog refs/heads/master >output &&
+	test_line_count = 2 output &&
+
+	check_fsck "dangling commit $K"
+'
+
+test_expect_success 'prune and fsck' '
+
+	git prune &&
+	check_fsck &&
+
+	check_have A B C D E H L &&
+	check_dont_have F G I J K
+
+'
+
+test_expect_success 'recover and check' '
+
+	recover $F &&
+	check_fsck "dangling blob $F"
+
+'
+
+test_expect_success 'delete' '
+	echo 1 > C &&
+	test_tick &&
+	git commit -m rat C &&
+
+	echo 2 > C &&
+	test_tick &&
+	git commit -m ox C &&
+
+	echo 3 > C &&
+	test_tick &&
+	git commit -m tiger C &&
+
+	HEAD_entry_count=$(git reflog | wc -l) &&
+	master_entry_count=$(git reflog show master | wc -l) &&
+
+	test $HEAD_entry_count = 5 &&
+	test $master_entry_count = 5 &&
+
+
+	git reflog delete master@{1} &&
+	git reflog show master > output &&
+	test $(($master_entry_count - 1)) = $(wc -l < output) &&
+	test $HEAD_entry_count = $(git reflog | wc -l) &&
+	! grep ox < output &&
+
+	master_entry_count=$(wc -l < output) &&
+
+	git reflog delete HEAD@{1} &&
+	test $(($HEAD_entry_count -1)) = $(git reflog | wc -l) &&
+	test $master_entry_count = $(git reflog show master | wc -l) &&
+
+	HEAD_entry_count=$(git reflog | wc -l) &&
+
+	git reflog delete master@{07.04.2005.15:15:00.-0700} &&
+	git reflog show master > output &&
+	test $(($master_entry_count - 1)) = $(wc -l < output) &&
+	! grep dragon < output
+
+'
+
+test_expect_success 'rewind2' '
+
+	test_tick && git reset --hard HEAD~2 &&
+	git reflog refs/heads/master >output &&
+	test_line_count = 4 output
+'
+
+test_expect_success '--expire=never' '
+
+	git reflog expire --verbose \
+		--expire=never \
+		--expire-unreachable=never \
+		--all &&
+	git reflog refs/heads/master >output &&
+	test_line_count = 4 output
+'
+
+test_expect_success 'gc.reflogexpire=never' '
+	test_config gc.reflogexpire never &&
+	test_config gc.reflogexpireunreachable never &&
+
+	git reflog expire --verbose --all >output &&
+	test_line_count = 9 output &&
+
+	git reflog refs/heads/master >output &&
+	test_line_count = 4 output
+'
+
+test_expect_success 'gc.reflogexpire=false' '
+	test_config gc.reflogexpire false &&
+	test_config gc.reflogexpireunreachable false &&
+
+	git reflog expire --verbose --all &&
+	git reflog refs/heads/master >output &&
+	test_line_count = 4 output
+
+'
+
+test_expect_success 'git reflog expire unknown reference' '
+	test_config gc.reflogexpire never &&
+	test_config gc.reflogexpireunreachable never &&
+
+	test_must_fail git reflog expire master@{123} 2>stderr &&
+	test_i18ngrep "points nowhere" stderr &&
+	test_must_fail git reflog expire does-not-exist 2>stderr &&
+	test_i18ngrep "points nowhere" stderr
+'
+
+test_expect_success 'checkout should not delete log for packed ref' '
+	test $(git reflog master | wc -l) = 4 &&
+	git branch foo &&
+	git pack-refs --all &&
+	git checkout foo &&
+	test $(git reflog master | wc -l) = 4
+'
+
+test_expect_success 'stale dirs do not cause d/f conflicts (reflogs on)' '
+	test_when_finished "git branch -d one || git branch -d one/two" &&
+
+	git branch one/two master &&
+	echo "one/two@{0} branch: Created from master" >expect &&
+	git log -g --format="%gd %gs" one/two >actual &&
+	test_cmp expect actual &&
+	git branch -d one/two &&
+
+	# now logs/refs/heads/one is a stale directory, but
+	# we should move it out of the way to create "one" reflog
+	git branch one master &&
+	echo "one@{0} branch: Created from master" >expect &&
+	git log -g --format="%gd %gs" one >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stale dirs do not cause d/f conflicts (reflogs off)' '
+	test_when_finished "git branch -d one || git branch -d one/two" &&
+
+	git branch one/two master &&
+	echo "one/two@{0} branch: Created from master" >expect &&
+	git log -g --format="%gd %gs" one/two >actual &&
+	test_cmp expect actual &&
+	git branch -d one/two &&
+
+	# same as before, but we only create a reflog for "one" if
+	# it already exists, which it does not
+	git -c core.logallrefupdates=false branch one master &&
+	git log -g --format="%gd %gs" one >actual &&
+	test_must_be_empty actual
+'
+
+# Triggering the bug detected by this test requires a newline to fall
+# exactly BUFSIZ-1 bytes from the end of the file. We don't know
+# what that value is, since it's platform dependent. However, if
+# we choose some value N, we also catch any D which divides N evenly
+# (since we will read backwards in chunks of D). So we choose 8K,
+# which catches glibc (with an 8K BUFSIZ) and *BSD (1K).
+#
+# Each line is 114 characters, so we need 75 to still have a few before the
+# last 8K. The 89-character padding on the final entry lines up our
+# newline exactly.
+test_expect_success SHA1 'parsing reverse reflogs at BUFSIZ boundaries' '
+	git checkout -b reflogskip &&
+	zf=$(test_oid zero_2) &&
+	ident="abc <xyz> 0000000001 +0000" &&
+	for i in $(test_seq 1 75); do
+		printf "$zf%02d $zf%02d %s\t" $i $(($i+1)) "$ident" &&
+		if test $i = 75; then
+			for j in $(test_seq 1 89); do
+				printf X
+			done
+		else
+			printf X
+		fi &&
+		printf "\n"
+	done >.git/logs/refs/heads/reflogskip &&
+	git rev-parse reflogskip@{73} >actual &&
+	echo ${zf}03 >expect &&
+	test_cmp expect actual
+'
+
+test_expect_success 'no segfaults for reflog containing non-commit sha1s' '
+	git update-ref --create-reflog -m "Creating ref" \
+		refs/tests/tree-in-reflog HEAD &&
+	git update-ref -m "Forcing tree" refs/tests/tree-in-reflog HEAD^{tree} &&
+	git update-ref -m "Restoring to commit" refs/tests/tree-in-reflog HEAD &&
+	git reflog refs/tests/tree-in-reflog
+'
+
+test_expect_failure 'reflog with non-commit entries displays all entries' '
+	git reflog refs/tests/tree-in-reflog >actual &&
+	test_line_count = 3 actual
+'
+
+test_expect_success 'reflog expire operates on symref not referrent' '
+	git branch --create-reflog the_symref &&
+	git branch --create-reflog referrent &&
+	git update-ref referrent HEAD &&
+	git symbolic-ref refs/heads/the_symref refs/heads/referrent &&
+	test_when_finished "rm -f .git/refs/heads/referrent.lock" &&
+	touch .git/refs/heads/referrent.lock &&
+	git reflog expire --expire=all the_symref
+'
+
+test_expect_success 'continue walking past root commits' '
+	git init orphanage &&
+	(
+		cd orphanage &&
+		cat >expect <<-\EOF &&
+		HEAD@{0} commit (initial): orphan2-1
+		HEAD@{1} commit: orphan1-2
+		HEAD@{2} commit (initial): orphan1-1
+		HEAD@{3} commit (initial): initial
+		EOF
+		test_commit initial &&
+		git checkout --orphan orphan1 &&
+		test_commit orphan1-1 &&
+		test_commit orphan1-2 &&
+		git checkout --orphan orphan2 &&
+		test_commit orphan2-1 &&
+		git log -g --format="%gd %gs" >actual &&
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'expire with multiple worktrees' '
+	git init main-wt &&
+	(
+		cd main-wt &&
+		test_tick &&
+		test_commit foo &&
+		git  worktree add link-wt &&
+		test_tick &&
+		test_commit -C link-wt foobar &&
+		test_tick &&
+		git reflog expire --verbose --all --expire=$test_tick &&
+		test_must_be_empty .git/worktrees/link-wt/logs/HEAD
+	)
+'
+
+test_done