@@ -13,42 +13,52 @@ test_perf_large_repo
# We intentionally use the deprecated pack.writebitmaps
# config so that we can test against older versions of git.
test_expect_success 'setup bitmap config' '
- git config pack.writebitmaps true
+ git config pack.writebitmaps true &&
+ git config pack.writeReverseIndex true
'
-# we need to create the tag up front such that it is covered by the repack and
-# thus by generated bitmaps.
-test_expect_success 'create tags' '
- git tag --message="tag pointing to HEAD" perf-tag HEAD
-'
+test_bitmap () {
+ local enabled="$1"
-test_perf 'repack to disk' '
- git repack -ad
-'
+ # we need to create the tag up front such that it is covered by the repack and
+ # thus by generated bitmaps.
+ test_expect_success 'create tags' '
+ git tag --message="tag pointing to HEAD" perf-tag HEAD
+ '
-test_full_bitmap
+ test_expect_success "use lookup table: $enabled" '
+ git config pack.writeBitmapLookupTable '"$enabled"'
+ '
-test_expect_success 'create partial bitmap state' '
- # pick a commit to represent the repo tip in the past
- cutoff=$(git rev-list HEAD~100 -1) &&
- orig_tip=$(git rev-parse HEAD) &&
+ test_perf "repack to disk (lookup=$enabled)" '
+ git repack -ad
+ '
- # now kill off all of the refs and pretend we had
- # just the one tip
- rm -rf .git/logs .git/refs/* .git/packed-refs &&
- git update-ref HEAD $cutoff &&
+ test_full_bitmap
- # and then repack, which will leave us with a nice
- # big bitmap pack of the "old" history, and all of
- # the new history will be loose, as if it had been pushed
- # up incrementally and exploded via unpack-objects
- git repack -Ad &&
+ test_expect_success "create partial bitmap state (lookup=$enabled)" '
+ # pick a commit to represent the repo tip in the past
+ cutoff=$(git rev-list HEAD~100 -1) &&
+ orig_tip=$(git rev-parse HEAD) &&
- # and now restore our original tip, as if the pushes
- # had happened
- git update-ref HEAD $orig_tip
-'
+ # now kill off all of the refs and pretend we had
+ # just the one tip
+ rm -rf .git/logs .git/refs/* .git/packed-refs &&
+ git update-ref HEAD $cutoff &&
+
+ # and then repack, which will leave us with a nice
+ # big bitmap pack of the "old" history, and all of
+ # the new history will be loose, as if it had been pushed
+ # up incrementally and exploded via unpack-objects
+ git repack -Ad &&
+
+ # and now restore our original tip, as if the pushes
+ # had happened
+ git update-ref HEAD $orig_tip
+ '
+}
-test_partial_bitmap
+test_bitmap false
+test_bitmap true
test_done
@@ -6,47 +6,56 @@ test_description='Tests performance using midx bitmaps'
test_perf_large_repo
-# we need to create the tag up front such that it is covered by the repack and
-# thus by generated bitmaps.
-test_expect_success 'create tags' '
- git tag --message="tag pointing to HEAD" perf-tag HEAD
-'
-
-test_expect_success 'start with bitmapped pack' '
- git repack -adb
-'
-
-test_perf 'setup multi-pack index' '
- git multi-pack-index write --bitmap
-'
-
-test_expect_success 'drop pack bitmap' '
- rm -f .git/objects/pack/pack-*.bitmap
-'
-
-test_full_bitmap
-
-test_expect_success 'create partial bitmap state' '
- # pick a commit to represent the repo tip in the past
- cutoff=$(git rev-list HEAD~100 -1) &&
- orig_tip=$(git rev-parse HEAD) &&
-
- # now pretend we have just one tip
- rm -rf .git/logs .git/refs/* .git/packed-refs &&
- git update-ref HEAD $cutoff &&
-
- # and then repack, which will leave us with a nice
- # big bitmap pack of the "old" history, and all of
- # the new history will be loose, as if it had been pushed
- # up incrementally and exploded via unpack-objects
- git repack -Ad &&
- git multi-pack-index write --bitmap &&
-
- # and now restore our original tip, as if the pushes
- # had happened
- git update-ref HEAD $orig_tip
-'
-
-test_partial_bitmap
+test_bitmap () {
+ local enabled="$1"
+
+ # we need to create the tag up front such that it is covered by the repack and
+ # thus by generated bitmaps.
+ test_expect_success 'create tags' '
+ git tag --message="tag pointing to HEAD" perf-tag HEAD
+ '
+
+ test_expect_success "use lookup table: $enabled" '
+ git config pack.writeBitmapLookupTable '"$enabled"'
+ '
+
+ test_expect_success "start with bitmapped pack (lookup=$enabled)" '
+ git repack -adb
+ '
+
+ test_perf "setup multi-pack index (lookup=$enabled)" '
+ git multi-pack-index write --bitmap
+ '
+
+ test_expect_success "drop pack bitmap (lookup=$enabled)" '
+ rm -f .git/objects/pack/pack-*.bitmap
+ '
+
+ test_full_bitmap
+
+ test_expect_success "create partial bitmap state (lookup=$enabled)" '
+ # pick a commit to represent the repo tip in the past
+ cutoff=$(git rev-list HEAD~100 -1) &&
+ orig_tip=$(git rev-parse HEAD) &&
+
+ # now pretend we have just one tip
+ rm -rf .git/logs .git/refs/* .git/packed-refs &&
+ git update-ref HEAD $cutoff &&
+
+ # and then repack, which will leave us with a nice
+ # big bitmap pack of the "old" history, and all of
+ # the new history will be loose, as if it had been pushed
+ # up incrementally and exploded via unpack-objects
+ git repack -Ad &&
+ git multi-pack-index write --bitmap &&
+
+ # and now restore our original tip, as if the pushes
+ # had happened
+ git update-ref HEAD $orig_tip
+ '
+}
+
+test_bitmap false
+test_bitmap true
test_done