diff options
Diffstat (limited to 't/t5318-commit-graph.sh')
| -rwxr-xr-x | t/t5318-commit-graph.sh | 139 |
1 files changed, 120 insertions, 19 deletions
diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh index 0c500f7ca2..840ad4d8ac 100755 --- a/t/t5318-commit-graph.sh +++ b/t/t5318-commit-graph.sh @@ -8,7 +8,8 @@ test_expect_success 'setup full repo' ' cd "$TRASH_DIRECTORY/full" && git init && git config core.commitGraph true && - objdir=".git/objects" + objdir=".git/objects" && + test_oid_init ' test_expect_success 'verify graph with no graph file' ' @@ -35,7 +36,7 @@ test_expect_success 'create commits and repack' ' graph_git_two_modes() { git -c core.commitGraph=true $1 >output git -c core.commitGraph=false $1 >expect - test_cmp output expect + test_cmp expect output } graph_git_behavior() { @@ -74,7 +75,7 @@ graph_read_expect() { test_expect_success 'write graph' ' cd "$TRASH_DIRECTORY/full" && - graph1=$(git commit-graph write) && + git commit-graph write && test_path_is_file $objdir/info/commit-graph && graph_read_expect "3" ' @@ -121,7 +122,7 @@ test_expect_success 'write graph with merges' ' cd "$TRASH_DIRECTORY/full" && git commit-graph write && test_path_is_file $objdir/info/commit-graph && - graph_read_expect "10" "large_edges" + graph_read_expect "10" "extra_edges" ' graph_git_behavior 'merge 1 vs 2' full merge/1 merge/2 @@ -156,7 +157,7 @@ test_expect_success 'write graph with new commit' ' cd "$TRASH_DIRECTORY/full" && git commit-graph write && test_path_is_file $objdir/info/commit-graph && - graph_read_expect "11" "large_edges" + graph_read_expect "11" "extra_edges" ' graph_git_behavior 'full graph, commit 8 vs merge 1' full commits/8 merge/1 @@ -166,7 +167,7 @@ test_expect_success 'write graph with nothing new' ' cd "$TRASH_DIRECTORY/full" && git commit-graph write && test_path_is_file $objdir/info/commit-graph && - graph_read_expect "11" "large_edges" + graph_read_expect "11" "extra_edges" ' graph_git_behavior 'cleared graph, commit 8 vs merge 1' full commits/8 merge/1 @@ -176,7 +177,7 @@ test_expect_success 'build graph from latest pack with closure' ' cd "$TRASH_DIRECTORY/full" && cat new-idx | git commit-graph write --stdin-packs && test_path_is_file $objdir/info/commit-graph && - graph_read_expect "9" "large_edges" + graph_read_expect "9" "extra_edges" ' graph_git_behavior 'graph from pack, commit 8 vs merge 1' full commits/8 merge/1 @@ -199,7 +200,7 @@ test_expect_success 'build graph from commits with append' ' cd "$TRASH_DIRECTORY/full" && git rev-parse merge/3 | git commit-graph write --stdin-commits --append && test_path_is_file $objdir/info/commit-graph && - graph_read_expect "10" "large_edges" + graph_read_expect "10" "extra_edges" ' graph_git_behavior 'append graph, commit 8 vs merge 1' full commits/8 merge/1 @@ -209,7 +210,7 @@ test_expect_success 'build graph using --reachable' ' cd "$TRASH_DIRECTORY/full" && git commit-graph write --reachable && test_path_is_file $objdir/info/commit-graph && - graph_read_expect "11" "large_edges" + graph_read_expect "11" "extra_edges" ' graph_git_behavior 'append graph, commit 8 vs merge 1' full commits/8 merge/1 @@ -230,7 +231,7 @@ test_expect_success 'write graph in bare repo' ' cd "$TRASH_DIRECTORY/bare" && git commit-graph write && test_path_is_file $baredir/info/commit-graph && - graph_read_expect "11" "large_edges" + graph_read_expect "11" "extra_edges" ' graph_git_behavior 'bare repo with graph, commit 8 vs merge 1' bare commits/8 merge/1 @@ -259,6 +260,66 @@ test_expect_success 'check that gc computes commit-graph' ' test_cmp_bin commit-graph-after-gc $objdir/info/commit-graph ' +test_expect_success 'replace-objects invalidates commit-graph' ' + cd "$TRASH_DIRECTORY" && + test_when_finished rm -rf replace && + git clone full replace && + ( + cd replace && + git commit-graph write --reachable && + test_path_is_file .git/objects/info/commit-graph && + git replace HEAD~1 HEAD~2 && + git -c core.commitGraph=false log >expect && + git -c core.commitGraph=true log >actual && + test_cmp expect actual && + git commit-graph write --reachable && + git -c core.commitGraph=false --no-replace-objects log >expect && + git -c core.commitGraph=true --no-replace-objects log >actual && + test_cmp expect actual && + rm -rf .git/objects/info/commit-graph && + git commit-graph write --reachable && + test_path_is_file .git/objects/info/commit-graph + ) +' + +test_expect_success 'commit grafts invalidate commit-graph' ' + cd "$TRASH_DIRECTORY" && + test_when_finished rm -rf graft && + git clone full graft && + ( + cd graft && + git commit-graph write --reachable && + test_path_is_file .git/objects/info/commit-graph && + H1=$(git rev-parse --verify HEAD~1) && + H3=$(git rev-parse --verify HEAD~3) && + echo "$H1 $H3" >.git/info/grafts && + git -c core.commitGraph=false log >expect && + git -c core.commitGraph=true log >actual && + test_cmp expect actual && + git commit-graph write --reachable && + git -c core.commitGraph=false --no-replace-objects log >expect && + git -c core.commitGraph=true --no-replace-objects log >actual && + test_cmp expect actual && + rm -rf .git/objects/info/commit-graph && + git commit-graph write --reachable && + test_path_is_missing .git/objects/info/commit-graph + ) +' + +test_expect_success 'replace-objects invalidates commit-graph' ' + cd "$TRASH_DIRECTORY" && + test_when_finished rm -rf shallow && + git clone --depth 2 "file://$TRASH_DIRECTORY/full" shallow && + ( + cd shallow && + git commit-graph write --reachable && + test_path_is_missing .git/objects/info/commit-graph && + git fetch origin --unshallow && + git commit-graph write --reachable && + test_path_is_file .git/objects/info/commit-graph + ) +' + # the verify tests below expect the commit-graph to contain # exactly the commits reachable from the commits/8 branch. # If the file changes the set of commits in the list, then the @@ -273,7 +334,7 @@ test_expect_success 'git commit-graph verify' ' NUM_COMMITS=9 NUM_OCTOPUS_EDGES=2 -HASH_LEN=20 +HASH_LEN="$(test_oid rawsz)" GRAPH_BYTE_VERSION=4 GRAPH_BYTE_HASH=5 GRAPH_BYTE_CHUNK_COUNT=6 @@ -305,24 +366,58 @@ GRAPH_OCTOPUS_DATA_OFFSET=$(($GRAPH_COMMIT_DATA_OFFSET + \ GRAPH_BYTE_OCTOPUS=$(($GRAPH_OCTOPUS_DATA_OFFSET + 4)) GRAPH_BYTE_FOOTER=$(($GRAPH_OCTOPUS_DATA_OFFSET + 4 * $NUM_OCTOPUS_EDGES)) -# usage: corrupt_graph_and_verify <position> <data> <string> +corrupt_graph_setup() { + cd "$TRASH_DIRECTORY/full" && + test_when_finished mv commit-graph-backup $objdir/info/commit-graph && + cp $objdir/info/commit-graph commit-graph-backup +} + +corrupt_graph_verify() { + grepstr=$1 + test_must_fail git commit-graph verify 2>test_err && + grep -v "^+" test_err >err && + test_i18ngrep "$grepstr" err && + if test "$2" != "no-copy" + then + cp $objdir/info/commit-graph commit-graph-pre-write-test + fi && + git status --short && + GIT_TEST_COMMIT_GRAPH_DIE_ON_LOAD=true git commit-graph write && + git commit-graph verify +} + +# usage: corrupt_graph_and_verify <position> <data> <string> [<zero_pos>] # Manipulates the commit-graph file at the position -# by inserting the data, then runs 'git commit-graph verify' +# by inserting the data, optionally zeroing the file +# starting at <zero_pos>, then runs 'git commit-graph verify' # and places the output in the file 'err'. Test 'err' for # the given string. corrupt_graph_and_verify() { pos=$1 data="${2:-\0}" grepstr=$3 - cd "$TRASH_DIRECTORY/full" && - test_when_finished mv commit-graph-backup $objdir/info/commit-graph && - cp $objdir/info/commit-graph commit-graph-backup && + corrupt_graph_setup && + orig_size=$(wc -c < $objdir/info/commit-graph) && + zero_pos=${4:-${orig_size}} && printf "$data" | dd of="$objdir/info/commit-graph" bs=1 seek="$pos" conv=notrunc && - test_must_fail git commit-graph verify 2>test_err && - grep -v "^+" test_err >err - test_i18ngrep "$grepstr" err + dd of="$objdir/info/commit-graph" bs=1 seek="$zero_pos" if=/dev/null && + generate_zero_bytes $(($orig_size - $zero_pos)) >>"$objdir/info/commit-graph" && + corrupt_graph_verify "$grepstr" + } +test_expect_success POSIXPERM,SANITY 'detect permission problem' ' + corrupt_graph_setup && + chmod 000 $objdir/info/commit-graph && + corrupt_graph_verify "Could not open" "no-copy" +' + +test_expect_success 'detect too small' ' + corrupt_graph_setup && + echo "a small graph" >$objdir/info/commit-graph && + corrupt_graph_verify "too small" +' + test_expect_success 'detect bad signature' ' corrupt_graph_and_verify 0 "\0" \ "graph signature" @@ -423,11 +518,17 @@ test_expect_success 'detect invalid checksum hash' ' "incorrect checksum" ' +test_expect_success 'detect incorrect chunk count' ' + corrupt_graph_and_verify $GRAPH_BYTE_CHUNK_COUNT "\377" \ + "chunk lookup table entry missing" $GRAPH_CHUNK_LOOKUP_OFFSET +' + test_expect_success 'git fsck (checks commit-graph)' ' cd "$TRASH_DIRECTORY/full" && git fsck && corrupt_graph_and_verify $GRAPH_BYTE_FOOTER "\00" \ "incorrect checksum" && + cp commit-graph-pre-write-test $objdir/info/commit-graph && test_must_fail git fsck ' |