Adding upstream version 1:2.30.2.upstream/1%2.30.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 231 insertions, 0 deletions

diff --git a/t/t7700-repack.sh b/t/t7700-repack.sh
new file mode 100755
index 0000000..25b235c
--- /dev/null
+++ b/t/t7700-repack.sh
@@ -0,0 +1,231 @@
+#!/bin/sh
+
+test_description='git repack works correctly'
+
+. ./test-lib.sh
+
+commit_and_pack () {
+	test_commit "$@" 1>&2 &&
+	incrpackid=$(git pack-objects --all --unpacked --incremental .git/objects/pack/pack </dev/null) &&
+	echo pack-${incrpackid}.pack
+}
+
+test_no_missing_in_packs () {
+	myidx=$(ls -1 .git/objects/pack/*.idx) &&
+	test_path_is_file "$myidx" &&
+	git verify-pack -v alt_objects/pack/*.idx >orig.raw &&
+	sed -n -e "s/^\($OID_REGEX\).*/\1/p" orig.raw | sort >orig &&
+	git verify-pack -v $myidx >dest.raw &&
+	cut -d" " -f1 dest.raw | sort >dest &&
+	comm -23 orig dest >missing &&
+	test_must_be_empty missing
+}
+
+# we expect $packid and $oid to be defined
+test_has_duplicate_object () {
+	want_duplicate_object="$1"
+	found_duplicate_object=false
+	for p in .git/objects/pack/*.idx
+	do
+		idx=$(basename $p)
+		test "pack-$packid.idx" = "$idx" && continue
+		git verify-pack -v $p >packlist || return $?
+		if grep "^$oid" packlist
+		then
+			found_duplicate_object=true
+			echo "DUPLICATE OBJECT FOUND"
+			break
+		fi
+	done &&
+	test "$want_duplicate_object" = "$found_duplicate_object"
+}
+
+test_expect_success 'objects in packs marked .keep are not repacked' '
+	echo content1 >file1 &&
+	echo content2 >file2 &&
+	git add . &&
+	test_tick &&
+	git commit -m initial_commit &&
+	# Create two packs
+	# The first pack will contain all of the objects except one
+	git rev-list --objects --all >objs &&
+	grep -v file2 objs | git pack-objects pack &&
+	# The second pack will contain the excluded object
+	packid=$(grep file2 objs | git pack-objects pack) &&
+	>pack-$packid.keep &&
+	git verify-pack -v pack-$packid.idx >packlist &&
+	oid=$(head -n 1 packlist | sed -e "s/^\($OID_REGEX\).*/\1/") &&
+	mv pack-* .git/objects/pack/ &&
+	git repack -A -d -l &&
+	git prune-packed &&
+	test_has_duplicate_object false
+'
+
+test_expect_success 'writing bitmaps via command-line can duplicate .keep objects' '
+	# build on $oid, $packid, and .keep state from previous
+	git repack -Adbl &&
+	test_has_duplicate_object true
+'
+
+test_expect_success 'writing bitmaps via config can duplicate .keep objects' '
+	# build on $oid, $packid, and .keep state from previous
+	git -c repack.writebitmaps=true repack -Adl &&
+	test_has_duplicate_object true
+'
+
+test_expect_success 'loose objects in alternate ODB are not repacked' '
+	mkdir alt_objects &&
+	echo $(pwd)/alt_objects >.git/objects/info/alternates &&
+	echo content3 >file3 &&
+	oid=$(GIT_OBJECT_DIRECTORY=alt_objects git hash-object -w file3) &&
+	git add file3 &&
+	test_tick &&
+	git commit -m commit_file3 &&
+	git repack -a -d -l &&
+	git prune-packed &&
+	test_has_duplicate_object false
+'
+
+test_expect_success 'packed obs in alt ODB are repacked even when local repo is packless' '
+	mkdir alt_objects/pack &&
+	mv .git/objects/pack/* alt_objects/pack &&
+	git repack -a &&
+	test_no_missing_in_packs
+'
+
+test_expect_success 'packed obs in alt ODB are repacked when local repo has packs' '
+	rm -f .git/objects/pack/* &&
+	echo new_content >>file1 &&
+	git add file1 &&
+	test_tick &&
+	git commit -m more_content &&
+	git repack &&
+	git repack -a -d &&
+	test_no_missing_in_packs
+'
+
+test_expect_success 'packed obs in alternate ODB kept pack are repacked' '
+	# swap the .keep so the commit object is in the pack with .keep
+	for p in alt_objects/pack/*.pack
+	do
+		base_name=$(basename $p .pack) &&
+		if test_path_is_file alt_objects/pack/$base_name.keep
+		then
+			rm alt_objects/pack/$base_name.keep
+		else
+			touch alt_objects/pack/$base_name.keep
+		fi
+	done &&
+	git repack -a -d &&
+	test_no_missing_in_packs
+'
+
+test_expect_success 'packed unreachable obs in alternate ODB are not loosened' '
+	rm -f alt_objects/pack/*.keep &&
+	mv .git/objects/pack/* alt_objects/pack/ &&
+	coid=$(git rev-parse HEAD^{commit}) &&
+	git reset --hard HEAD^ &&
+	test_tick &&
+	git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all &&
+	# The pack-objects call on the next line is equivalent to
+	# git repack -A -d without the call to prune-packed
+	git pack-objects --honor-pack-keep --non-empty --all --reflog \
+	    --unpack-unreachable </dev/null pack &&
+	rm -f .git/objects/pack/* &&
+	mv pack-* .git/objects/pack/ &&
+	git verify-pack -v -- .git/objects/pack/*.idx >packlist &&
+	! grep "^$coid " packlist &&
+	echo >.git/objects/info/alternates &&
+	test_must_fail git show $coid
+'
+
+test_expect_success 'local packed unreachable obs that exist in alternate ODB are not loosened' '
+	echo $(pwd)/alt_objects >.git/objects/info/alternates &&
+	echo "$coid" | git pack-objects --non-empty --all --reflog pack &&
+	rm -f .git/objects/pack/* &&
+	mv pack-* .git/objects/pack/ &&
+	# The pack-objects call on the next line is equivalent to
+	# git repack -A -d without the call to prune-packed
+	git pack-objects --honor-pack-keep --non-empty --all --reflog \
+	    --unpack-unreachable </dev/null pack &&
+	rm -f .git/objects/pack/* &&
+	mv pack-* .git/objects/pack/ &&
+	git verify-pack -v -- .git/objects/pack/*.idx >packlist &&
+	! grep "^$coid " &&
+	echo >.git/objects/info/alternates &&
+	test_must_fail git show $coid
+'
+
+test_expect_success 'objects made unreachable by grafts only are kept' '
+	test_tick &&
+	git commit --allow-empty -m "commit 4" &&
+	H0=$(git rev-parse HEAD) &&
+	H1=$(git rev-parse HEAD^) &&
+	H2=$(git rev-parse HEAD^^) &&
+	echo "$H0 $H2" >.git/info/grafts &&
+	git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all &&
+	git repack -a -d &&
+	git cat-file -t $H1
+'
+
+test_expect_success 'repack --keep-pack' '
+	test_create_repo keep-pack &&
+	(
+		cd keep-pack &&
+		P1=$(commit_and_pack 1) &&
+		P2=$(commit_and_pack 2) &&
+		P3=$(commit_and_pack 3) &&
+		P4=$(commit_and_pack 4) &&
+		ls .git/objects/pack/*.pack >old-counts &&
+		test_line_count = 4 old-counts &&
+		git repack -a -d --keep-pack $P1 --keep-pack $P4 &&
+		ls .git/objects/pack/*.pack >new-counts &&
+		grep -q $P1 new-counts &&
+		grep -q $P4 new-counts &&
+		test_line_count = 3 new-counts &&
+		git fsck
+	)
+'
+
+test_expect_success 'bitmaps are created by default in bare repos' '
+	git clone --bare .git bare.git &&
+	git -C bare.git repack -ad &&
+	bitmap=$(ls bare.git/objects/pack/*.bitmap) &&
+	test_path_is_file "$bitmap"
+'
+
+test_expect_success 'incremental repack does not complain' '
+	git -C bare.git repack -q 2>repack.err &&
+	test_must_be_empty repack.err
+'
+
+test_expect_success 'bitmaps can be disabled on bare repos' '
+	git -c repack.writeBitmaps=false -C bare.git repack -ad &&
+	bitmap=$(ls bare.git/objects/pack/*.bitmap || :) &&
+	test -z "$bitmap"
+'
+
+test_expect_success 'no bitmaps created if .keep files present' '
+	pack=$(ls bare.git/objects/pack/*.pack) &&
+	test_path_is_file "$pack" &&
+	keep=${pack%.pack}.keep &&
+	test_when_finished "rm -f \"\$keep\"" &&
+	>"$keep" &&
+	git -C bare.git repack -ad 2>stderr &&
+	test_must_be_empty stderr &&
+	find bare.git/objects/pack/ -type f -name "*.bitmap" >actual &&
+	test_must_be_empty actual
+'
+
+test_expect_success 'auto-bitmaps do not complain if unavailable' '
+	test_config -C bare.git pack.packSizeLimit 1M &&
+	blob=$(test-tool genrandom big $((1024*1024)) |
+	       git -C bare.git hash-object -w --stdin) &&
+	git -C bare.git update-ref refs/tags/big $blob &&
+	git -C bare.git repack -ad 2>stderr &&
+	test_must_be_empty stderr &&
+	find bare.git/objects/pack -type f -name "*.bitmap" >actual &&
+	test_must_be_empty actual
+'
+
+test_done