mirror of
https://github.com/git/git
synced 2024-10-28 19:25:47 +00:00
6a951937ae
It can sometimes be useful to examine all objects in the
repository. Normally this is done with "git rev-list --all
--objects", but:
1. That shows only reachable objects. You may want to look
at all available objects.
2. It's slow. We actually open each object to walk the
graph. If your operation is OK with seeing unreachable
objects, it's an order of magnitude faster to just
enumerate the loose directories and pack indices.
You can do this yourself using "ls" and "git show-index",
but it's non-obvious. This patch adds an option to
"cat-file --batch-check" to operate on all available
objects (rather than reading names from stdin).
This is based on a proposal by Charles Bailey to provide a
separate "git list-all-objects" command. That is more
orthogonal, as it splits enumerating the objects from
getting information about them. However, in practice you
will either:
a. Feed the list of objects directly into cat-file anyway,
so you can find out information about them. Keeping it
in a single process is more efficient.
b. Ask the listing process to start telling you more
information about the objects, in which case you will
reinvent cat-file's batch-check formatter.
Adding a cat-file option is simple and efficient. And if you
really do want just the object names, you can always do:
git cat-file --batch-check='%(objectname)' --batch-all-objects
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
577 lines
19 KiB
Bash
Executable file
577 lines
19 KiB
Bash
Executable file
#!/bin/sh
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test_description='git cat-file'
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. ./test-lib.sh
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echo_without_newline () {
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printf '%s' "$*"
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}
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strlen () {
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echo_without_newline "$1" | wc -c | sed -e 's/^ *//'
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}
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maybe_remove_timestamp () {
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if test -z "$2"; then
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echo_without_newline "$1"
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else
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echo_without_newline "$(printf '%s\n' "$1" | sed -e 's/ [0-9][0-9]* [-+][0-9][0-9][0-9][0-9]$//')"
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fi
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}
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run_tests () {
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type=$1
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sha1=$2
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size=$3
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content=$4
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pretty_content=$5
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no_ts=$6
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batch_output="$sha1 $type $size
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$content"
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test_expect_success "$type exists" '
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git cat-file -e $sha1
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'
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test_expect_success "Type of $type is correct" '
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echo $type >expect &&
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git cat-file -t $sha1 >actual &&
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test_cmp expect actual
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'
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test_expect_success "Size of $type is correct" '
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echo $size >expect &&
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git cat-file -s $sha1 >actual &&
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test_cmp expect actual
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'
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test_expect_success "Type of $type is correct using --allow-unknown-type" '
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echo $type >expect &&
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git cat-file -t --allow-unknown-type $sha1 >actual &&
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test_cmp expect actual
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'
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test_expect_success "Size of $type is correct using --allow-unknown-type" '
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echo $size >expect &&
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git cat-file -s --allow-unknown-type $sha1 >actual &&
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test_cmp expect actual
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'
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test -z "$content" ||
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test_expect_success "Content of $type is correct" '
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maybe_remove_timestamp "$content" $no_ts >expect &&
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maybe_remove_timestamp "$(git cat-file $type $sha1)" $no_ts >actual &&
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test_cmp expect actual
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'
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test_expect_success "Pretty content of $type is correct" '
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maybe_remove_timestamp "$pretty_content" $no_ts >expect &&
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maybe_remove_timestamp "$(git cat-file -p $sha1)" $no_ts >actual &&
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test_cmp expect actual
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'
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test -z "$content" ||
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test_expect_success "--batch output of $type is correct" '
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maybe_remove_timestamp "$batch_output" $no_ts >expect &&
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maybe_remove_timestamp "$(echo $sha1 | git cat-file --batch)" $no_ts >actual &&
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test_cmp expect actual
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'
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test_expect_success "--batch-check output of $type is correct" '
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echo "$sha1 $type $size" >expect &&
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echo_without_newline $sha1 | git cat-file --batch-check >actual &&
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test_cmp expect actual
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'
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test_expect_success "custom --batch-check format" '
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echo "$type $sha1" >expect &&
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echo $sha1 | git cat-file --batch-check="%(objecttype) %(objectname)" >actual &&
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test_cmp expect actual
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'
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test_expect_success '--batch-check with %(rest)' '
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echo "$type this is some extra content" >expect &&
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echo "$sha1 this is some extra content" |
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git cat-file --batch-check="%(objecttype) %(rest)" >actual &&
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test_cmp expect actual
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'
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test -z "$content" ||
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test_expect_success "--batch without type ($type)" '
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{
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echo "$size" &&
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maybe_remove_timestamp "$content" $no_ts
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} >expect &&
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echo $sha1 | git cat-file --batch="%(objectsize)" >actual.full &&
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maybe_remove_timestamp "$(cat actual.full)" $no_ts >actual &&
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test_cmp expect actual
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'
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test -z "$content" ||
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test_expect_success "--batch without size ($type)" '
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{
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echo "$type" &&
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maybe_remove_timestamp "$content" $no_ts
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} >expect &&
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echo $sha1 | git cat-file --batch="%(objecttype)" >actual.full &&
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maybe_remove_timestamp "$(cat actual.full)" $no_ts >actual &&
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test_cmp expect actual
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'
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}
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hello_content="Hello World"
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hello_size=$(strlen "$hello_content")
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hello_sha1=$(echo_without_newline "$hello_content" | git hash-object --stdin)
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test_expect_success "setup" '
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echo_without_newline "$hello_content" > hello &&
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git update-index --add hello
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'
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run_tests 'blob' $hello_sha1 $hello_size "$hello_content" "$hello_content"
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test_expect_success '--batch-check without %(rest) considers whole line' '
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echo "$hello_sha1 blob $hello_size" >expect &&
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git update-index --add --cacheinfo 100644 $hello_sha1 "white space" &&
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test_when_finished "git update-index --remove \"white space\"" &&
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echo ":white space" | git cat-file --batch-check >actual &&
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test_cmp expect actual
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'
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tree_sha1=$(git write-tree)
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tree_size=33
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tree_pretty_content="100644 blob $hello_sha1 hello"
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run_tests 'tree' $tree_sha1 $tree_size "" "$tree_pretty_content"
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commit_message="Initial commit"
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commit_sha1=$(echo_without_newline "$commit_message" | git commit-tree $tree_sha1)
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commit_size=177
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commit_content="tree $tree_sha1
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author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> 0000000000 +0000
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committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 0000000000 +0000
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$commit_message"
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run_tests 'commit' $commit_sha1 $commit_size "$commit_content" "$commit_content" 1
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tag_header_without_timestamp="object $hello_sha1
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type blob
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tag hellotag
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tagger $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
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tag_description="This is a tag"
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tag_content="$tag_header_without_timestamp 0000000000 +0000
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$tag_description"
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tag_sha1=$(echo_without_newline "$tag_content" | git mktag)
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tag_size=$(strlen "$tag_content")
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run_tests 'tag' $tag_sha1 $tag_size "$tag_content" "$tag_content" 1
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test_expect_success \
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"Reach a blob from a tag pointing to it" \
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"test '$hello_content' = \"\$(git cat-file blob $tag_sha1)\""
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for batch in batch batch-check
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do
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for opt in t s e p
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do
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test_expect_success "Passing -$opt with --$batch fails" '
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test_must_fail git cat-file --$batch -$opt $hello_sha1
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'
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test_expect_success "Passing --$batch with -$opt fails" '
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test_must_fail git cat-file -$opt --$batch $hello_sha1
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'
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done
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test_expect_success "Passing <type> with --$batch fails" '
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test_must_fail git cat-file --$batch blob $hello_sha1
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'
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test_expect_success "Passing --$batch with <type> fails" '
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test_must_fail git cat-file blob --$batch $hello_sha1
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'
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test_expect_success "Passing sha1 with --$batch fails" '
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test_must_fail git cat-file --$batch $hello_sha1
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'
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done
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for opt in t s e p
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do
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test_expect_success "Passing -$opt with --follow-symlinks fails" '
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test_must_fail git cat-file --follow-symlinks -$opt $hello_sha1
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'
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done
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test_expect_success "--batch-check for a non-existent named object" '
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test "foobar42 missing
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foobar84 missing" = \
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"$( ( echo foobar42; echo_without_newline foobar84; ) | git cat-file --batch-check)"
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'
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test_expect_success "--batch-check for a non-existent hash" '
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test "0000000000000000000000000000000000000042 missing
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0000000000000000000000000000000000000084 missing" = \
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"$( ( echo 0000000000000000000000000000000000000042;
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echo_without_newline 0000000000000000000000000000000000000084; ) \
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| git cat-file --batch-check)"
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'
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test_expect_success "--batch for an existent and a non-existent hash" '
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test "$tag_sha1 tag $tag_size
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$tag_content
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0000000000000000000000000000000000000000 missing" = \
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"$( ( echo $tag_sha1;
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echo_without_newline 0000000000000000000000000000000000000000; ) \
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| git cat-file --batch)"
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'
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test_expect_success "--batch-check for an emtpy line" '
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test " missing" = "$(echo | git cat-file --batch-check)"
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'
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test_expect_success 'empty --batch-check notices missing object' '
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echo "$_z40 missing" >expect &&
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echo "$_z40" | git cat-file --batch-check="" >actual &&
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test_cmp expect actual
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'
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batch_input="$hello_sha1
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$commit_sha1
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$tag_sha1
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deadbeef
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"
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batch_output="$hello_sha1 blob $hello_size
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$hello_content
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$commit_sha1 commit $commit_size
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$commit_content
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$tag_sha1 tag $tag_size
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$tag_content
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deadbeef missing
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missing"
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test_expect_success '--batch with multiple sha1s gives correct format' '
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test "$(maybe_remove_timestamp "$batch_output" 1)" = "$(maybe_remove_timestamp "$(echo_without_newline "$batch_input" | git cat-file --batch)" 1)"
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'
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batch_check_input="$hello_sha1
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$tree_sha1
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$commit_sha1
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$tag_sha1
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deadbeef
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"
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batch_check_output="$hello_sha1 blob $hello_size
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$tree_sha1 tree $tree_size
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$commit_sha1 commit $commit_size
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$tag_sha1 tag $tag_size
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deadbeef missing
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missing"
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test_expect_success "--batch-check with multiple sha1s gives correct format" '
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test "$batch_check_output" = \
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"$(echo_without_newline "$batch_check_input" | git cat-file --batch-check)"
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'
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test_expect_success 'setup blobs which are likely to delta' '
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test-genrandom foo 10240 >foo &&
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{ cat foo; echo plus; } >foo-plus &&
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git add foo foo-plus &&
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git commit -m foo &&
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cat >blobs <<-\EOF
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HEAD:foo
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HEAD:foo-plus
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EOF
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'
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test_expect_success 'confirm that neither loose blob is a delta' '
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cat >expect <<-EOF &&
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$_z40
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$_z40
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EOF
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git cat-file --batch-check="%(deltabase)" <blobs >actual &&
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test_cmp expect actual
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'
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# To avoid relying too much on the current delta heuristics,
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# we will check only that one of the two objects is a delta
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# against the other, but not the order. We can do so by just
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# asking for the base of both, and checking whether either
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# sha1 appears in the output.
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test_expect_success '%(deltabase) reports packed delta bases' '
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git repack -ad &&
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git cat-file --batch-check="%(deltabase)" <blobs >actual &&
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{
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grep "$(git rev-parse HEAD:foo)" actual ||
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grep "$(git rev-parse HEAD:foo-plus)" actual
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}
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'
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bogus_type="bogus"
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bogus_content="bogus"
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bogus_size=$(strlen "$bogus_content")
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bogus_sha1=$(echo_without_newline "$bogus_content" | git hash-object -t $bogus_type --literally -w --stdin)
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test_expect_success "Type of broken object is correct" '
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echo $bogus_type >expect &&
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git cat-file -t --allow-unknown-type $bogus_sha1 >actual &&
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test_cmp expect actual
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'
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test_expect_success "Size of broken object is correct" '
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echo $bogus_size >expect &&
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git cat-file -s --allow-unknown-type $bogus_sha1 >actual &&
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test_cmp expect actual
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'
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bogus_type="abcdefghijklmnopqrstuvwxyz1234679"
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bogus_content="bogus"
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bogus_size=$(strlen "$bogus_content")
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bogus_sha1=$(echo_without_newline "$bogus_content" | git hash-object -t $bogus_type --literally -w --stdin)
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test_expect_success "Type of broken object is correct when type is large" '
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echo $bogus_type >expect &&
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git cat-file -t --allow-unknown-type $bogus_sha1 >actual &&
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test_cmp expect actual
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'
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test_expect_success "Size of large broken object is correct when type is large" '
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echo $bogus_size >expect &&
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git cat-file -s --allow-unknown-type $bogus_sha1 >actual &&
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test_cmp expect actual
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'
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# Tests for git cat-file --follow-symlinks
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test_expect_success 'prep for symlink tests' '
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echo_without_newline "$hello_content" >morx &&
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test_ln_s_add morx same-dir-link &&
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test_ln_s_add dir link-to-dir &&
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test_ln_s_add ../fleem out-of-repo-link &&
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test_ln_s_add .. out-of-repo-link-dir &&
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test_ln_s_add same-dir-link link-to-link &&
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test_ln_s_add nope broken-same-dir-link &&
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mkdir dir &&
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test_ln_s_add ../morx dir/parent-dir-link &&
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test_ln_s_add .. dir/link-dir &&
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test_ln_s_add ../../escape dir/out-of-repo-link &&
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test_ln_s_add ../.. dir/out-of-repo-link-dir &&
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test_ln_s_add nope dir/broken-link-in-dir &&
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mkdir dir/subdir &&
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test_ln_s_add ../../morx dir/subdir/grandparent-dir-link &&
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test_ln_s_add ../../../great-escape dir/subdir/out-of-repo-link &&
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test_ln_s_add ../../.. dir/subdir/out-of-repo-link-dir &&
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test_ln_s_add ../../../ dir/subdir/out-of-repo-link-dir-trailing &&
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test_ln_s_add ../parent-dir-link dir/subdir/parent-dir-link-to-link &&
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echo_without_newline "$hello_content" >dir/subdir/ind2 &&
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echo_without_newline "$hello_content" >dir/ind1 &&
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test_ln_s_add dir dirlink &&
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test_ln_s_add dir/subdir subdirlink &&
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test_ln_s_add subdir/ind2 dir/link-to-child &&
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test_ln_s_add dir/link-to-child link-to-down-link &&
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test_ln_s_add dir/.. up-down &&
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test_ln_s_add dir/../ up-down-trailing &&
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test_ln_s_add dir/../morx up-down-file &&
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test_ln_s_add dir/../../morx up-up-down-file &&
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test_ln_s_add subdirlink/../../morx up-two-down-file &&
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test_ln_s_add loop1 loop2 &&
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test_ln_s_add loop2 loop1 &&
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git add morx dir/subdir/ind2 dir/ind1 &&
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git commit -am "test" &&
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echo $hello_sha1 blob $hello_size >found
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'
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test_expect_success 'git cat-file --batch-check --follow-symlinks works for non-links' '
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echo HEAD:morx | git cat-file --batch-check --follow-symlinks >actual &&
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test_cmp found actual &&
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echo HEAD:nope missing >expect &&
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echo HEAD:nope | git cat-file --batch-check --follow-symlinks >actual &&
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test_cmp expect actual
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'
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test_expect_success 'git cat-file --batch-check --follow-symlinks works for in-repo, same-dir links' '
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echo HEAD:same-dir-link | git cat-file --batch-check --follow-symlinks >actual &&
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test_cmp found actual
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'
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test_expect_success 'git cat-file --batch-check --follow-symlinks works for in-repo, links to dirs' '
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echo HEAD:link-to-dir/ind1 | git cat-file --batch-check --follow-symlinks >actual &&
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test_cmp found actual
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'
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test_expect_success 'git cat-file --batch-check --follow-symlinks works for broken in-repo, same-dir links' '
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echo dangling 25 >expect &&
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echo HEAD:broken-same-dir-link >>expect &&
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echo HEAD:broken-same-dir-link | git cat-file --batch-check --follow-symlinks >actual &&
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test_cmp expect actual
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'
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test_expect_success 'git cat-file --batch-check --follow-symlinks works for same-dir links-to-links' '
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echo HEAD:link-to-link | git cat-file --batch-check --follow-symlinks >actual &&
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test_cmp found actual
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'
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test_expect_success 'git cat-file --batch-check --follow-symlinks works for parent-dir links' '
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echo HEAD:dir/parent-dir-link | git cat-file --batch-check --follow-symlinks >actual &&
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test_cmp found actual &&
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echo notdir 29 >expect &&
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echo HEAD:dir/parent-dir-link/nope >>expect &&
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echo HEAD:dir/parent-dir-link/nope | git cat-file --batch-check --follow-symlinks >actual &&
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test_cmp expect actual
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'
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test_expect_success 'git cat-file --batch-check --follow-symlinks works for .. links' '
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echo dangling 22 >expect &&
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echo HEAD:dir/link-dir/nope >>expect &&
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echo HEAD:dir/link-dir/nope | git cat-file --batch-check --follow-symlinks >actual &&
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test_cmp expect actual &&
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echo HEAD:dir/link-dir/morx | git cat-file --batch-check --follow-symlinks >actual &&
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test_cmp found actual &&
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echo dangling 27 >expect &&
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echo HEAD:dir/broken-link-in-dir >>expect &&
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echo HEAD:dir/broken-link-in-dir | git cat-file --batch-check --follow-symlinks >actual &&
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test_cmp expect actual
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'
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test_expect_success 'git cat-file --batch-check --follow-symlinks works for ../.. links' '
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echo notdir 41 >expect &&
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echo HEAD:dir/subdir/grandparent-dir-link/nope >>expect &&
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echo HEAD:dir/subdir/grandparent-dir-link/nope | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual &&
|
|
echo HEAD:dir/subdir/grandparent-dir-link | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp found actual &&
|
|
echo HEAD:dir/subdir/parent-dir-link-to-link | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp found actual
|
|
'
|
|
|
|
test_expect_success 'git cat-file --batch-check --follow-symlinks works for dir/ links' '
|
|
echo dangling 17 >expect &&
|
|
echo HEAD:dirlink/morx >>expect &&
|
|
echo HEAD:dirlink/morx | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual &&
|
|
echo $hello_sha1 blob $hello_size >expect &&
|
|
echo HEAD:dirlink/ind1 | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'git cat-file --batch-check --follow-symlinks works for dir/subdir links' '
|
|
echo dangling 20 >expect &&
|
|
echo HEAD:subdirlink/morx >>expect &&
|
|
echo HEAD:subdirlink/morx | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual &&
|
|
echo HEAD:subdirlink/ind2 | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp found actual
|
|
'
|
|
|
|
test_expect_success 'git cat-file --batch-check --follow-symlinks works for dir ->subdir links' '
|
|
echo notdir 27 >expect &&
|
|
echo HEAD:dir/link-to-child/morx >>expect &&
|
|
echo HEAD:dir/link-to-child/morx | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual &&
|
|
echo HEAD:dir/link-to-child | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp found actual &&
|
|
echo HEAD:link-to-down-link | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp found actual
|
|
'
|
|
|
|
test_expect_success 'git cat-file --batch-check --follow-symlinks works for out-of-repo symlinks' '
|
|
echo symlink 8 >expect &&
|
|
echo ../fleem >>expect &&
|
|
echo HEAD:out-of-repo-link | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual &&
|
|
echo symlink 2 >expect &&
|
|
echo .. >>expect &&
|
|
echo HEAD:out-of-repo-link-dir | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'git cat-file --batch-check --follow-symlinks works for out-of-repo symlinks in dirs' '
|
|
echo symlink 9 >expect &&
|
|
echo ../escape >>expect &&
|
|
echo HEAD:dir/out-of-repo-link | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual &&
|
|
echo symlink 2 >expect &&
|
|
echo .. >>expect &&
|
|
echo HEAD:dir/out-of-repo-link-dir | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'git cat-file --batch-check --follow-symlinks works for out-of-repo symlinks in subdirs' '
|
|
echo symlink 15 >expect &&
|
|
echo ../great-escape >>expect &&
|
|
echo HEAD:dir/subdir/out-of-repo-link | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual &&
|
|
echo symlink 2 >expect &&
|
|
echo .. >>expect &&
|
|
echo HEAD:dir/subdir/out-of-repo-link-dir | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual &&
|
|
echo symlink 3 >expect &&
|
|
echo ../ >>expect &&
|
|
echo HEAD:dir/subdir/out-of-repo-link-dir-trailing | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'git cat-file --batch-check --follow-symlinks works for symlinks with internal ..' '
|
|
echo HEAD: | git cat-file --batch-check >expect &&
|
|
echo HEAD:up-down | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual &&
|
|
echo HEAD:up-down-trailing | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual &&
|
|
echo HEAD:up-down-file | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp found actual &&
|
|
echo symlink 7 >expect &&
|
|
echo ../morx >>expect &&
|
|
echo HEAD:up-up-down-file | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual &&
|
|
echo HEAD:up-two-down-file | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp found actual
|
|
'
|
|
|
|
test_expect_success 'git cat-file --batch-check --follow-symlink breaks loops' '
|
|
echo loop 10 >expect &&
|
|
echo HEAD:loop1 >>expect &&
|
|
echo HEAD:loop1 | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'git cat-file --batch --follow-symlink returns correct sha and mode' '
|
|
echo HEAD:morx | git cat-file --batch >expect &&
|
|
echo HEAD:morx | git cat-file --batch --follow-symlinks >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'cat-file --batch-all-objects shows all objects' '
|
|
# make new repos so we now the full set of objects; we will
|
|
# also make sure that there are some packed and some loose
|
|
# objects, some referenced and some not, and that there are
|
|
# some available only via alternates.
|
|
git init all-one &&
|
|
(
|
|
cd all-one &&
|
|
echo content >file &&
|
|
git add file &&
|
|
git commit -qm base &&
|
|
git rev-parse HEAD HEAD^{tree} HEAD:file &&
|
|
git repack -ad &&
|
|
echo not-cloned | git hash-object -w --stdin
|
|
) >expect.unsorted &&
|
|
git clone -s all-one all-two &&
|
|
(
|
|
cd all-two &&
|
|
echo local-unref | git hash-object -w --stdin
|
|
) >>expect.unsorted &&
|
|
sort <expect.unsorted >expect &&
|
|
git -C all-two cat-file --batch-all-objects \
|
|
--batch-check="%(objectname)" >actual.unsorted &&
|
|
sort <actual.unsorted >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_done
|