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-rwxr-xr-xt/t5318-commit-graph.sh38
1 files changed, 36 insertions, 2 deletions
diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh
index 044cf8a3de..2ed0c1544d 100755
--- a/t/t5318-commit-graph.sh
+++ b/t/t5318-commit-graph.sh
@@ -10,7 +10,12 @@ test_expect_success 'setup full repo' '
cd "$TRASH_DIRECTORY/full" &&
git init &&
git config core.commitGraph true &&
- objdir=".git/objects"
+ objdir=".git/objects" &&
+
+ test_oid_cache <<-EOF
+ oid_version sha1:1
+ oid_version sha256:2
+ EOF
'
test_expect_success POSIXPERM 'tweak umask for modebit tests' '
@@ -77,7 +82,7 @@ graph_read_expect() {
NUM_CHUNKS=$((3 + $(echo "$2" | wc -w)))
fi
cat >expect <<- EOF
- header: 43475048 1 1 $NUM_CHUNKS 0
+ header: 43475048 1 $(test_oid oid_version) $NUM_CHUNKS 0
num_commits: $1
chunks: oid_fanout oid_lookup commit_metadata$OPTIONAL
EOF
@@ -412,6 +417,35 @@ test_expect_success 'replace-objects invalidates commit-graph' '
)
'
+test_expect_success 'warn on improper hash version' '
+ git init --object-format=sha1 sha1 &&
+ (
+ cd sha1 &&
+ test_commit 1 &&
+ git commit-graph write --reachable &&
+ mv .git/objects/info/commit-graph ../cg-sha1
+ ) &&
+ git init --object-format=sha256 sha256 &&
+ (
+ cd sha256 &&
+ test_commit 1 &&
+ git commit-graph write --reachable &&
+ mv .git/objects/info/commit-graph ../cg-sha256
+ ) &&
+ (
+ cd sha1 &&
+ mv ../cg-sha256 .git/objects/info/commit-graph &&
+ git log -1 2>err &&
+ test_i18ngrep "commit-graph hash version 2 does not match version 1" err
+ ) &&
+ (
+ cd sha256 &&
+ mv ../cg-sha1 .git/objects/info/commit-graph &&
+ git log -1 2>err &&
+ test_i18ngrep "commit-graph hash version 1 does not match version 2" err
+ )
+'
+
# 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