Merge branch 'ac/log-use-mailmap-by-default-transition'

diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh
index 725b7ce51f06d7154ac45e831a7fa099859edb7a..22cb9d66430410f726e821e906fa79587f43c3e8 100755 (executable)
--- a/t/t5318-commit-graph.sh
+++ b/t/t5318-commit-graph.sh
@@ -20,7 +20,15 @@ test_expect_success 'verify graph with no graph file' '
 test_expect_success 'write graph with no packs' '
        cd "$TRASH_DIRECTORY/full" &&
        git commit-graph write --object-dir . &&
-       test_path_is_file info/commit-graph
+       test_path_is_missing info/commit-graph
+'
+
+test_expect_success 'close with correct error on bad input' '
+       cd "$TRASH_DIRECTORY/full" &&
+       echo doesnotexist >in &&
+       { git commit-graph write --stdin-packs <in 2>stderr; ret=$?; } &&
+       test "$ret" = 1 &&
+       test_i18ngrep "error adding pack" stderr
 '
 
 test_expect_success 'create commits and repack' '
@@ -75,7 +83,7 @@ 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"
 '
@@ -376,7 +384,14 @@ corrupt_graph_verify() {
        grepstr=$1
        test_must_fail git commit-graph verify 2>test_err &&
        grep -v "^+" test_err >err &&
-       test_i18ngrep "$grepstr" 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>]
@@ -393,12 +408,24 @@ corrupt_graph_and_verify() {
        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 &&
-       dd of="$objdir/info/commit-graph" bs=1 seek="$zero_pos" count=0 &&
+       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"
@@ -509,6 +536,7 @@ test_expect_success 'git fsck (checks commit-graph)' '
        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
 '