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d0ab058498
Alternate refs backends might store reflogs somewhere other than .git/logs. Change most test code that directly accesses .git/logs to instead use git reflog commands. There are still a few tests which need direct access to reflogs: to check reflog permissions, to manually create reflogs from scratch, to save/restore reflogs, to check the format of raw reflog data, and to remove not just reflog contents, but the reflogs themselves. All cases which don't need direct access have been modified. Signed-off-by: David Turner <dturner@twopensource.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
147 lines
3.8 KiB
Bash
Executable file
147 lines
3.8 KiB
Bash
Executable file
#!/bin/sh
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#
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# This test covers the handling of objects which might have old
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# mtimes in the filesystem (because they were used previously)
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# and are just now becoming referenced again.
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#
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# We're going to do two things that are a little bit "fake" to
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# help make our simulation easier:
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#
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# 1. We'll turn off reflogs. You can still run into
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# problems with reflogs on, but your objects
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# don't get pruned until both the reflog expiration
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# has passed on their references, _and_ they are out
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# of prune's expiration period. Dropping reflogs
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# means we only have to deal with one variable in our tests,
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# but the results generalize.
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#
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# 2. We'll use a temporary index file to create our
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# works-in-progress. Most workflows would mention
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# referenced objects in the index, which prune takes
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# into account. However, many operations don't. For
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# example, a partial commit with "git commit foo"
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# will use a temporary index. Or they may not need
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# an index at all (e.g., creating a new commit
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# to refer to an existing tree).
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test_description='check pruning of dependent objects'
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. ./test-lib.sh
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# We care about reachability, so we do not want to use
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# the normal test_commit, which creates extra tags.
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add () {
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echo "$1" >"$1" &&
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git add "$1"
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}
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commit () {
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test_tick &&
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add "$1" &&
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git commit -m "$1"
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}
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maybe_repack () {
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if test -n "$repack"; then
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git repack -ad
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fi
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}
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for repack in '' true; do
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title=${repack:+repack}
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title=${title:-loose}
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test_expect_success "make repo completely empty ($title)" '
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rm -rf .git &&
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git init
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'
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test_expect_success "disable reflogs ($title)" '
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git config core.logallrefupdates false &&
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git reflog expire --expire=all --all
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'
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test_expect_success "setup basic history ($title)" '
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commit base
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'
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test_expect_success "create and abandon some objects ($title)" '
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git checkout -b experiment &&
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commit abandon &&
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maybe_repack &&
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git checkout master &&
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git branch -D experiment
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'
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test_expect_success "simulate time passing ($title)" '
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find .git/objects -type f |
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xargs test-chmtime -v -86400
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'
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test_expect_success "start writing new commit with old blob ($title)" '
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tree=$(
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GIT_INDEX_FILE=index.tmp &&
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export GIT_INDEX_FILE &&
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git read-tree HEAD &&
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add unrelated &&
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add abandon &&
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git write-tree
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)
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'
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test_expect_success "simultaneous gc ($title)" '
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git gc --prune=12.hours.ago
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'
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test_expect_success "finish writing out commit ($title)" '
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commit=$(echo foo | git commit-tree -p HEAD $tree) &&
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git update-ref HEAD $commit
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'
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# "abandon" blob should have been rescued by reference from new tree
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test_expect_success "repository passes fsck ($title)" '
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git fsck
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'
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test_expect_success "abandon objects again ($title)" '
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git reset --hard HEAD^ &&
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find .git/objects -type f |
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xargs test-chmtime -v -86400
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'
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test_expect_success "start writing new commit with same tree ($title)" '
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tree=$(
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GIT_INDEX_FILE=index.tmp &&
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export GIT_INDEX_FILE &&
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git read-tree HEAD &&
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add abandon &&
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add unrelated &&
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git write-tree
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)
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'
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test_expect_success "simultaneous gc ($title)" '
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git gc --prune=12.hours.ago
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'
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# tree should have been refreshed by write-tree
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test_expect_success "finish writing out commit ($title)" '
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commit=$(echo foo | git commit-tree -p HEAD $tree) &&
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git update-ref HEAD $commit
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'
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done
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test_expect_success 'do not complain about existing broken links' '
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cat >broken-commit <<-\EOF &&
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tree 0000000000000000000000000000000000000001
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parent 0000000000000000000000000000000000000002
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author whatever <whatever@example.com> 1234 -0000
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committer whatever <whatever@example.com> 1234 -0000
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some message
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EOF
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commit=$(git hash-object -t commit -w broken-commit) &&
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git gc 2>stderr &&
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verbose git cat-file -e $commit &&
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test_must_be_empty stderr
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'
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test_done
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