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#!/bin/sh
test_description='commit graph with 64-bit timestamps'
. ./test-lib.sh
if ! test_have_prereq TIME_IS_64BIT || ! test_have_prereq TIME_T_IS_64BIT
then
skip_all='skipping 64-bit timestamp tests'
test_done
fi
. "$TEST_DIRECTORY"/lib-commit-graph.sh
UNIX_EPOCH_ZERO="@0 +0000"
FUTURE_DATE="@4147483646 +0000"
GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS=0
test_expect_success 'lower layers have overflow chunk' '
rm -f .git/objects/info/commit-graph &&
test_commit --date "$FUTURE_DATE" future-1 &&
test_commit --date "$UNIX_EPOCH_ZERO" old-1 &&
git commit-graph write --reachable &&
test_commit --date "$FUTURE_DATE" future-2 &&
test_commit --date "$UNIX_EPOCH_ZERO" old-2 &&
git commit-graph write --reachable --split=no-merge &&
test_commit extra &&
git commit-graph write --reachable --split=no-merge &&
git commit-graph write --reachable &&
graph_read_expect 5 "generation_data generation_data_overflow" &&
mv .git/objects/info/commit-graph commit-graph-upgraded &&
git commit-graph write --reachable &&
graph_read_expect 5 "generation_data generation_data_overflow" &&
test_cmp .git/objects/info/commit-graph commit-graph-upgraded
'
graph_git_behavior 'overflow' '' HEAD~2 HEAD
test_expect_success 'set up and verify repo with generation data overflow chunk' '
mkdir repo &&
cd repo &&
git init &&
test_commit --date "$UNIX_EPOCH_ZERO" 1 &&
test_commit 2 &&
test_commit --date "$UNIX_EPOCH_ZERO" 3 &&
git commit-graph write --reachable &&
graph_read_expect 3 generation_data &&
test_commit --date "$FUTURE_DATE" 4 &&
test_commit 5 &&
test_commit --date "$UNIX_EPOCH_ZERO" 6 &&
git branch left &&
git reset --hard 3 &&
test_commit 7 &&
test_commit --date "$FUTURE_DATE" 8 &&
test_commit 9 &&
git branch right &&
git reset --hard 3 &&
test_merge M left right &&
git commit-graph write --reachable &&
graph_read_expect 10 "generation_data generation_data_overflow" &&
git commit-graph verify
'
graph_git_behavior 'overflow 2' repo left right
test_done
|
