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-rwxr-xr-xt/t5310-pack-bitmaps.sh33
1 files changed, 17 insertions, 16 deletions
diff --git a/t/t5310-pack-bitmaps.sh b/t/t5310-pack-bitmaps.sh
index 7ba796b2c3..aa2ccdb78b 100755
--- a/t/t5310-pack-bitmaps.sh
+++ b/t/t5310-pack-bitmaps.sh
@@ -23,12 +23,12 @@ has_any () {
# To ensure the logic for "maximal commits" is exercised, make
# the repository a bit more complicated.
#
-# other master
+# other second
# * *
# (99 commits) (99 commits)
# * *
# |\ /|
-# | * octo-other octo-master * |
+# | * octo-other octo-second * |
# |/|\_________ ____________/|\|
# | \ \/ __________/ |
# | | ________/\ / |
@@ -43,23 +43,24 @@ has_any () {
# \|
# * (base)
#
+# We only push bits down the first-parent history, which
+# makes some of these commits unimportant!
+#
# The important part for the maximal commit algorithm is how
# the bitmasks are extended. Assuming starting bit positions
-# for master (bit 0) and other (bit 1), and some flexibility
-# in the order that merge bases are visited, the bitmasks at
-# the end should be:
+# for second (bit 0) and other (bit 1), the bitmasks at the
+# end should be:
#
-# master: 1 (maximal, selected)
+# second: 1 (maximal, selected)
# other: 01 (maximal, selected)
-# octo-master: 1
-# octo-other: 01
-# merge-right: 111 (maximal)
-# (l1): 111
-# (r1): 111
-# merge-left: 1101 (maximal)
-# (l2): 11111 (maximal)
-# (r2): 111101 (maximal)
-# (base): 1111111 (maximal)
+# (base): 11 (maximal)
+#
+# This complicated history was important for a previous
+# version of the walk that guarantees never walking a
+# commit multiple times. That goal might be important
+# again, so preserve this complicated case. For now, this
+# test will guarantee that the bitmaps are computed
+# correctly, even with the repeat calculations.
test_expect_success 'setup repo with moderate-sized history' '
test_commit_bulk --id=file 10 &&
@@ -114,7 +115,7 @@ test_expect_success 'full repack creates bitmaps' '
ls .git/objects/pack/ | grep bitmap >output &&
test_line_count = 1 output &&
grep "\"key\":\"num_selected_commits\",\"value\":\"106\"" trace &&
- grep "\"key\":\"num_maximal_commits\",\"value\":\"111\"" trace
+ grep "\"key\":\"num_maximal_commits\",\"value\":\"107\"" trace
'
test_expect_success 'rev-list --test-bitmap verifies bitmaps' '