git/t/t5311-pack-bitmaps-shallow.sh
Patrick Steinhardt 568cc818cc shallow: fix memory leak when registering shallow roots
When registering shallow roots, we unset the list of parents of the
to-be-registered commit if it's already been parsed. This causes us to
leak memory though because we never free this list. Fix this.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-11-07 08:51:41 +09:00

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#!/bin/sh
test_description='check bitmap operation with shallow repositories'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
# We want to create a situation where the shallow, grafted
# view of reachability does not match reality in a way that
# might cause us to send insufficient objects.
#
# We do this with a history that repeats a state, like:
#
# A -- B -- C
# file=1 file=2 file=1
#
# and then create a shallow clone to the second commit, B.
# In a non-shallow clone, that would mean we already have
# the tree for A. But in a shallow one, we've grafted away
# A, and fetching A to B requires that the other side send
# us the tree for file=1.
test_shallow_bitmaps () {
writeLookupTable=false
for i in "$@"
do
case $i in
"pack.writeBitmapLookupTable") writeLookupTable=true;;
esac
done
test_expect_success 'setup shallow repo' '
rm -rf * .git &&
git init &&
git config pack.writeBitmapLookupTable '"$writeLookupTable"' &&
echo 1 >file &&
git add file &&
git commit -m orig &&
echo 2 >file &&
git commit -a -m update &&
git clone --no-local --bare --depth=1 . shallow.git &&
echo 1 >file &&
git commit -a -m repeat
'
test_expect_success 'turn on bitmaps in the parent' '
git repack -adb
'
test_expect_success 'shallow fetch from bitmapped repo' '
(cd shallow.git && git fetch)
'
}
test_shallow_bitmaps
test_shallow_bitmaps "pack.writeBitmapLookupTable"
test_done