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git/t/t5307-pack-missing-commit.sh
Derrick Stolee 31b1de6a09 commit-graph: turn on commit-graph by default
The commit-graph feature has seen a lot of activity in the past
year or so since it was introduced. The feature is a critical
performance enhancement for medium- to large-sized repos, and
does not significantly hurt small repos.

Change the defaults for core.commitGraph and gc.writeCommitGraph
to true so users benefit from this feature by default.

There are several places in the test suite where the environment
variable GIT_TEST_COMMIT_GRAPH is disabled to avoid reading a
commit-graph, if it exists. The config option overrides the
environment, so swap these. Some GIT_TEST_COMMIT_GRAPH assignments
remain, and those are to avoid writing a commit-graph when a new
commit is created.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-08-13 13:33:55 -07:00

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#!/bin/sh
test_description='pack should notice missing commit objects'
. ./test-lib.sh
test_expect_success setup '
for i in 1 2 3 4 5
do
echo "$i" >"file$i" &&
git add "file$i" &&
test_tick &&
git commit -m "$i" &&
git tag "tag$i"
done &&
obj=$(git rev-parse --verify tag3) &&
fanout=$(expr "$obj" : "\(..\)") &&
remainder=$(expr "$obj" : "..\(.*\)") &&
rm -f ".git/objects/$fanout/$remainder"
'
test_expect_success 'check corruption' '
test_must_fail git fsck
'
test_expect_success 'rev-list notices corruption (1)' '
test_must_fail env GIT_TEST_COMMIT_GRAPH=0 git -c core.commitGraph=false rev-list HEAD
'
test_expect_success 'rev-list notices corruption (2)' '
test_must_fail env GIT_TEST_COMMIT_GRAPH=0 git -c core.commitGraph=false rev-list --objects HEAD
'
test_expect_success 'pack-objects notices corruption' '
echo HEAD |
test_must_fail git pack-objects --revs pack
'
test_done