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https://github.com/git/git
synced 2024-11-05 18:59:29 +00:00
440c705ea6
Add a new flag --batch-command that accepts commands and arguments from stdin, similar to git-update-ref --stdin. At GitLab, we use a pair of long running cat-file processes when accessing object content. One for iterating over object metadata with --batch-check, and the other to grab object contents with --batch. However, if we had --batch-command, we wouldn't need to keep both processes around, and instead just have one --batch-command process where we can flip between getting object info, and getting object contents. Since we have a pair of cat-file processes per repository, this means we can get rid of roughly half of long lived git cat-file processes. Given there are many repositories being accessed at any given time, this can lead to huge savings. git cat-file --batch-command will enter an interactive command mode whereby the user can enter in commands and their arguments that get queued in memory: <command1> [arg1] [arg2] LF <command2> [arg1] [arg2] LF When --buffer mode is used, commands will be queued in memory until a flush command is issued that execute them: flush LF The reason for a flush command is that when a consumer process (A) talks to a git cat-file process (B) and interactively writes to and reads from it in --buffer mode, (A) needs to be able to control when the buffer is flushed to stdout. Currently, from (A)'s perspective, the only way is to either 1. kill (B)'s process 2. send an invalid object to stdin. 1. is not ideal from a performance perspective as it will require spawning a new cat-file process each time, and 2. is hacky and not a good long term solution. With this mechanism of queueing up commands and letting (A) issue a flush command, process (A) can control when the buffer is flushed and can guarantee it will receive all of the output when in --buffer mode. --batch-command also will not allow (B) to flush to stdout until a flush is received. This patch adds the basic structure for adding command which can be extended in the future to add more commands. It also adds the following two commands (on top of the flush command): contents <object> LF info <object> LF The contents command takes an <object> argument and prints out the object contents. The info command takes an <object> argument and prints out the object metadata. These can be used in the following way with --buffer: info <object> LF contents <object> LF contents <object> LF info <object> LF flush LF info <object> LF flush LF When used without --buffer: info <object> LF contents <object> LF contents <object> LF info <object> LF info <object> LF Helped-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: John Cai <johncai86@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
1090 lines
34 KiB
Bash
Executable file
1090 lines
34 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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test_cmdmode_usage () {
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test_expect_code 129 "$@" 2>err &&
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grep "^error:.*is incompatible with" err
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}
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for switches in \
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'-e -p' \
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'-p -t' \
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'-t -s' \
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'-s --textconv' \
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'--textconv --filters' \
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'--batch-all-objects -e'
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do
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test_expect_success "usage: cmdmode $switches" '
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test_cmdmode_usage git cat-file $switches
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'
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done
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test_incompatible_usage () {
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test_expect_code 129 "$@" 2>err &&
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grep -E "^(fatal|error):.*(requires|incompatible with|needs)" err
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}
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for opt in --batch --batch-check
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do
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test_expect_success "usage: incompatible options: --path with $opt" '
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test_incompatible_usage git cat-file --path=foo $opt
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'
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done
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test_missing_usage () {
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test_expect_code 129 "$@" 2>err &&
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grep -E "^fatal:.*required" err
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}
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short_modes="-e -p -t -s"
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cw_modes="--textconv --filters"
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for opt in $cw_modes
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do
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test_expect_success "usage: $opt requires another option" '
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test_missing_usage git cat-file $opt
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'
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done
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for opt in $short_modes
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do
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test_expect_success "usage: $opt requires another option" '
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test_missing_usage git cat-file $opt
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'
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for opt2 in --batch \
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--batch-check \
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--follow-symlinks \
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"--path=foo HEAD:some-path.txt"
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do
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test_expect_success "usage: incompatible options: $opt and $opt2" '
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test_incompatible_usage git cat-file $opt $opt2
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'
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done
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done
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test_too_many_arguments () {
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test_expect_code 129 "$@" 2>err &&
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grep -E "^fatal: too many arguments$" err
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}
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for opt in $short_modes $cw_modes
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do
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args="one two three"
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test_expect_success "usage: too many arguments: $opt $args" '
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test_too_many_arguments git cat-file $opt $args
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'
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for opt2 in --buffer --follow-symlinks
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do
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test_expect_success "usage: incompatible arguments: $opt with batch option $opt2" '
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test_incompatible_usage git cat-file $opt $opt2
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'
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done
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done
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for opt in --buffer \
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--follow-symlinks \
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--batch-all-objects
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do
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test_expect_success "usage: bad option combination: $opt without batch mode" '
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test_incompatible_usage git cat-file $opt &&
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test_incompatible_usage git cat-file $opt commit HEAD
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'
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done
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echo_without_newline () {
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printf '%s' "$*"
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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' "$1" | remove_timestamp)"
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fi
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}
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remove_timestamp () {
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sed -e 's/ [0-9][0-9]* [-+][0-9][0-9][0-9][0-9]$//'
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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 $sha1 | git cat-file --batch-check >actual &&
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test_cmp expect actual
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'
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for opt in --buffer --no-buffer
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do
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test -z "$content" ||
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test_expect_success "--batch-command $opt output of $type content is correct" '
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maybe_remove_timestamp "$batch_output" $no_ts >expect &&
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maybe_remove_timestamp "$(test_write_lines "contents $sha1" |
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git cat-file --batch-command $opt)" $no_ts >actual &&
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test_cmp expect actual
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'
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test_expect_success "--batch-command $opt output of $type info is correct" '
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echo "$sha1 $type $size" >expect &&
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test_write_lines "info $sha1" |
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git cat-file --batch-command $opt >actual &&
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test_cmp expect actual
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'
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done
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test_expect_success "custom --batch-check format" '
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echo "$type $sha1" >expect &&
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echo $sha1 | git cat-file --batch-check="%(objecttype) %(objectname)" >actual &&
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test_cmp expect actual
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'
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test_expect_success "custom --batch-command format" '
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echo "$type $sha1" >expect &&
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echo "info $sha1" | git cat-file --batch-command="%(objecttype) %(objectname)" >actual &&
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test_cmp expect actual
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'
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test_expect_success '--batch-check with %(rest)' '
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echo "$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" "$hello_content"
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test_expect_success '--batch-command --buffer with flush for blob info' '
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echo "$hello_sha1 blob $hello_size" >expect &&
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test_write_lines "info $hello_sha1" "flush" |
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GIT_TEST_CAT_FILE_NO_FLUSH_ON_EXIT=1 \
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git cat-file --batch-command --buffer >actual &&
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test_cmp expect actual
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'
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test_expect_success '--batch-command --buffer without flush for blob info' '
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touch output &&
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test_write_lines "info $hello_sha1" |
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GIT_TEST_CAT_FILE_NO_FLUSH_ON_EXIT=1 \
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git cat-file --batch-command --buffer >>output &&
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test_must_be_empty output
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'
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test_expect_success '--batch-check without %(rest) considers whole line' '
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echo "$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=$(($(test_oid rawsz) + 13))
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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 $tree_sha1)
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commit_size=$(($(test_oid hexsz) + 137))
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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 hash-object -t tag --stdin -w)
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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 $tag_sha1)\""
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for batch in batch batch-check batch-command
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do
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for opt in t s e p
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do
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test_expect_success "Passing -$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 $tag_sha1 &&
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echo_without_newline 0000000000000000000000000000000000000000 ) |
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git cat-file --batch)"
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'
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test_expect_success "--batch-check for an empty line" '
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test " missing" = "$(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 "$ZERO_OID missing" >expect &&
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echo "$ZERO_OID" | 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 '--batch-command with multiple info calls gives correct format' '
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cat >expect <<-EOF &&
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$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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EOF
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git cat-file --batch-command --buffer >actual <<-EOF &&
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info $hello_sha1
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info $tree_sha1
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info $commit_sha1
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info $tag_sha1
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info deadbeef
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EOF
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test_cmp expect actual
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'
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test_expect_success '--batch-command with multiple command calls gives correct format' '
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remove_timestamp >expect <<-EOF &&
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$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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EOF
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git cat-file --batch-command --buffer >actual_raw <<-EOF &&
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contents $hello_sha1
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contents $commit_sha1
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contents $tag_sha1
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contents deadbeef
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flush
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EOF
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remove_timestamp <actual_raw >actual &&
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test_cmp expect actual
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'
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test_expect_success 'setup blobs which are likely to delta' '
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test-tool genrandom foo 10240 >foo &&
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{ cat foo && echo plus; } >foo-plus &&
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git add foo foo-plus &&
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git commit -m foo &&
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cat >blobs <<-\EOF
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HEAD:foo
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HEAD:foo-plus
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EOF
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'
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test_expect_success 'confirm that neither loose blob is a delta' '
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cat >expect <<-EOF &&
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$ZERO_OID
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$ZERO_OID
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EOF
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git cat-file --batch-check="%(deltabase)" <blobs >actual &&
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test_cmp expect actual
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'
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# To avoid relying too much on the current delta heuristics,
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# we will check only that one of the two objects is a delta
|
|
# against the other, but not the order. We can do so by just
|
|
# asking for the base of both, and checking whether either
|
|
# sha1 appears in the output.
|
|
test_expect_success '%(deltabase) reports packed delta bases' '
|
|
git repack -ad &&
|
|
git cat-file --batch-check="%(deltabase)" <blobs >actual &&
|
|
{
|
|
grep "$(git rev-parse HEAD:foo)" actual ||
|
|
grep "$(git rev-parse HEAD:foo-plus)" actual
|
|
}
|
|
'
|
|
|
|
test_expect_success 'setup bogus data' '
|
|
bogus_short_type="bogus" &&
|
|
bogus_short_content="bogus" &&
|
|
bogus_short_size=$(strlen "$bogus_short_content") &&
|
|
bogus_short_sha1=$(echo_without_newline "$bogus_short_content" | git hash-object -t $bogus_short_type --literally -w --stdin) &&
|
|
|
|
bogus_long_type="abcdefghijklmnopqrstuvwxyz1234679" &&
|
|
bogus_long_content="bogus" &&
|
|
bogus_long_size=$(strlen "$bogus_long_content") &&
|
|
bogus_long_sha1=$(echo_without_newline "$bogus_long_content" | git hash-object -t $bogus_long_type --literally -w --stdin)
|
|
'
|
|
|
|
for arg1 in '' --allow-unknown-type
|
|
do
|
|
for arg2 in -s -t -p
|
|
do
|
|
if test "$arg1" = "--allow-unknown-type" && test "$arg2" = "-p"
|
|
then
|
|
continue
|
|
fi
|
|
|
|
|
|
test_expect_success "cat-file $arg1 $arg2 error on bogus short OID" '
|
|
cat >expect <<-\EOF &&
|
|
fatal: invalid object type
|
|
EOF
|
|
|
|
if test "$arg1" = "--allow-unknown-type"
|
|
then
|
|
git cat-file $arg1 $arg2 $bogus_short_sha1
|
|
else
|
|
test_must_fail git cat-file $arg1 $arg2 $bogus_short_sha1 >out 2>actual &&
|
|
test_must_be_empty out &&
|
|
test_cmp expect actual
|
|
fi
|
|
'
|
|
|
|
test_expect_success "cat-file $arg1 $arg2 error on bogus full OID" '
|
|
if test "$arg2" = "-p"
|
|
then
|
|
cat >expect <<-EOF
|
|
error: header for $bogus_long_sha1 too long, exceeds 32 bytes
|
|
fatal: Not a valid object name $bogus_long_sha1
|
|
EOF
|
|
else
|
|
cat >expect <<-EOF
|
|
error: header for $bogus_long_sha1 too long, exceeds 32 bytes
|
|
fatal: git cat-file: could not get object info
|
|
EOF
|
|
fi &&
|
|
|
|
if test "$arg1" = "--allow-unknown-type"
|
|
then
|
|
git cat-file $arg1 $arg2 $bogus_short_sha1
|
|
else
|
|
test_must_fail git cat-file $arg1 $arg2 $bogus_long_sha1 >out 2>actual &&
|
|
test_must_be_empty out &&
|
|
test_cmp expect actual
|
|
fi
|
|
'
|
|
|
|
test_expect_success "cat-file $arg1 $arg2 error on missing short OID" '
|
|
cat >expect.err <<-EOF &&
|
|
fatal: Not a valid object name $(test_oid deadbeef_short)
|
|
EOF
|
|
test_must_fail git cat-file $arg1 $arg2 $(test_oid deadbeef_short) >out 2>err.actual &&
|
|
test_must_be_empty out
|
|
'
|
|
|
|
test_expect_success "cat-file $arg1 $arg2 error on missing full OID" '
|
|
if test "$arg2" = "-p"
|
|
then
|
|
cat >expect.err <<-EOF
|
|
fatal: Not a valid object name $(test_oid deadbeef)
|
|
EOF
|
|
else
|
|
cat >expect.err <<-\EOF
|
|
fatal: git cat-file: could not get object info
|
|
EOF
|
|
fi &&
|
|
test_must_fail git cat-file $arg1 $arg2 $(test_oid deadbeef) >out 2>err.actual &&
|
|
test_must_be_empty out &&
|
|
test_cmp expect.err err.actual
|
|
'
|
|
done
|
|
done
|
|
|
|
test_expect_success '-e is OK with a broken object without --allow-unknown-type' '
|
|
git cat-file -e $bogus_short_sha1
|
|
'
|
|
|
|
test_expect_success '-e can not be combined with --allow-unknown-type' '
|
|
test_expect_code 128 git cat-file -e --allow-unknown-type $bogus_short_sha1
|
|
'
|
|
|
|
test_expect_success '-p cannot print a broken object even with --allow-unknown-type' '
|
|
test_must_fail git cat-file -p $bogus_short_sha1 &&
|
|
test_expect_code 128 git cat-file -p --allow-unknown-type $bogus_short_sha1
|
|
'
|
|
|
|
test_expect_success '<type> <hash> does not work with objects of broken types' '
|
|
cat >err.expect <<-\EOF &&
|
|
fatal: invalid object type "bogus"
|
|
EOF
|
|
test_must_fail git cat-file $bogus_short_type $bogus_short_sha1 2>err.actual &&
|
|
test_cmp err.expect err.actual
|
|
'
|
|
|
|
test_expect_success 'broken types combined with --batch and --batch-check' '
|
|
echo $bogus_short_sha1 >bogus-oid &&
|
|
|
|
cat >err.expect <<-\EOF &&
|
|
fatal: invalid object type
|
|
EOF
|
|
|
|
test_must_fail git cat-file --batch <bogus-oid 2>err.actual &&
|
|
test_cmp err.expect err.actual &&
|
|
|
|
test_must_fail git cat-file --batch-check <bogus-oid 2>err.actual &&
|
|
test_cmp err.expect err.actual
|
|
'
|
|
|
|
test_expect_success 'the --batch and --batch-check options do not combine with --allow-unknown-type' '
|
|
test_expect_code 128 git cat-file --batch --allow-unknown-type <bogus-oid &&
|
|
test_expect_code 128 git cat-file --batch-check --allow-unknown-type <bogus-oid
|
|
'
|
|
|
|
test_expect_success 'the --allow-unknown-type option does not consider replacement refs' '
|
|
cat >expect <<-EOF &&
|
|
$bogus_short_type
|
|
EOF
|
|
git cat-file -t --allow-unknown-type $bogus_short_sha1 >actual &&
|
|
test_cmp expect actual &&
|
|
|
|
# Create it manually, as "git replace" will die on bogus
|
|
# types.
|
|
head=$(git rev-parse --verify HEAD) &&
|
|
test_when_finished "test-tool ref-store main delete-refs 0 msg refs/replace/$bogus_short_sha1" &&
|
|
test-tool ref-store main update-ref msg "refs/replace/$bogus_short_sha1" $head $ZERO_OID REF_SKIP_OID_VERIFICATION &&
|
|
|
|
cat >expect <<-EOF &&
|
|
commit
|
|
EOF
|
|
git cat-file -t --allow-unknown-type $bogus_short_sha1 >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success "Type of broken object is correct" '
|
|
echo $bogus_short_type >expect &&
|
|
git cat-file -t --allow-unknown-type $bogus_short_sha1 >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success "Size of broken object is correct" '
|
|
echo $bogus_short_size >expect &&
|
|
git cat-file -s --allow-unknown-type $bogus_short_sha1 >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'clean up broken object' '
|
|
rm .git/objects/$(test_oid_to_path $bogus_short_sha1)
|
|
'
|
|
|
|
test_expect_success "Type of broken object is correct when type is large" '
|
|
echo $bogus_long_type >expect &&
|
|
git cat-file -t --allow-unknown-type $bogus_long_sha1 >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success "Size of large broken object is correct when type is large" '
|
|
echo $bogus_long_size >expect &&
|
|
git cat-file -s --allow-unknown-type $bogus_long_sha1 >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'clean up broken object' '
|
|
rm .git/objects/$(test_oid_to_path $bogus_long_sha1)
|
|
'
|
|
|
|
test_expect_success 'cat-file -t and -s on corrupt loose object' '
|
|
git init --bare corrupt-loose.git &&
|
|
(
|
|
cd corrupt-loose.git &&
|
|
|
|
# Setup and create the empty blob and its path
|
|
empty_path=$(git rev-parse --git-path objects/$(test_oid_to_path "$EMPTY_BLOB")) &&
|
|
git hash-object -w --stdin </dev/null &&
|
|
|
|
# Create another blob and its path
|
|
echo other >other.blob &&
|
|
other_blob=$(git hash-object -w --stdin <other.blob) &&
|
|
other_path=$(git rev-parse --git-path objects/$(test_oid_to_path "$other_blob")) &&
|
|
|
|
# Before the swap the size is 0
|
|
cat >out.expect <<-EOF &&
|
|
0
|
|
EOF
|
|
git cat-file -s "$EMPTY_BLOB" >out.actual 2>err.actual &&
|
|
test_must_be_empty err.actual &&
|
|
test_cmp out.expect out.actual &&
|
|
|
|
# Swap the two to corrupt the repository
|
|
mv -f "$other_path" "$empty_path" &&
|
|
test_must_fail git fsck 2>err.fsck &&
|
|
grep "hash-path mismatch" err.fsck &&
|
|
|
|
# confirm that cat-file is reading the new swapped-in
|
|
# blob...
|
|
cat >out.expect <<-EOF &&
|
|
blob
|
|
EOF
|
|
git cat-file -t "$EMPTY_BLOB" >out.actual 2>err.actual &&
|
|
test_must_be_empty err.actual &&
|
|
test_cmp out.expect out.actual &&
|
|
|
|
# ... since it has a different size now.
|
|
cat >out.expect <<-EOF &&
|
|
6
|
|
EOF
|
|
git cat-file -s "$EMPTY_BLOB" >out.actual 2>err.actual &&
|
|
test_must_be_empty err.actual &&
|
|
test_cmp out.expect out.actual &&
|
|
|
|
# So far "cat-file" has been happy to spew the found
|
|
# content out as-is. Try to make it zlib-invalid.
|
|
mv -f other.blob "$empty_path" &&
|
|
test_must_fail git fsck 2>err.fsck &&
|
|
grep "^error: inflate: data stream error (" err.fsck
|
|
)
|
|
'
|
|
|
|
# Tests for git cat-file --follow-symlinks
|
|
test_expect_success 'prep for symlink tests' '
|
|
echo_without_newline "$hello_content" >morx &&
|
|
test_ln_s_add morx same-dir-link &&
|
|
test_ln_s_add dir link-to-dir &&
|
|
test_ln_s_add ../fleem out-of-repo-link &&
|
|
test_ln_s_add .. out-of-repo-link-dir &&
|
|
test_ln_s_add same-dir-link link-to-link &&
|
|
test_ln_s_add nope broken-same-dir-link &&
|
|
mkdir dir &&
|
|
test_ln_s_add ../morx dir/parent-dir-link &&
|
|
test_ln_s_add .. dir/link-dir &&
|
|
test_ln_s_add ../../escape dir/out-of-repo-link &&
|
|
test_ln_s_add ../.. dir/out-of-repo-link-dir &&
|
|
test_ln_s_add nope dir/broken-link-in-dir &&
|
|
mkdir dir/subdir &&
|
|
test_ln_s_add ../../morx dir/subdir/grandparent-dir-link &&
|
|
test_ln_s_add ../../../great-escape dir/subdir/out-of-repo-link &&
|
|
test_ln_s_add ../../.. dir/subdir/out-of-repo-link-dir &&
|
|
test_ln_s_add ../../../ dir/subdir/out-of-repo-link-dir-trailing &&
|
|
test_ln_s_add ../parent-dir-link dir/subdir/parent-dir-link-to-link &&
|
|
echo_without_newline "$hello_content" >dir/subdir/ind2 &&
|
|
echo_without_newline "$hello_content" >dir/ind1 &&
|
|
test_ln_s_add dir dirlink &&
|
|
test_ln_s_add dir/subdir subdirlink &&
|
|
test_ln_s_add subdir/ind2 dir/link-to-child &&
|
|
test_ln_s_add dir/link-to-child link-to-down-link &&
|
|
test_ln_s_add dir/.. up-down &&
|
|
test_ln_s_add dir/../ up-down-trailing &&
|
|
test_ln_s_add dir/../morx up-down-file &&
|
|
test_ln_s_add dir/../../morx up-up-down-file &&
|
|
test_ln_s_add subdirlink/../../morx up-two-down-file &&
|
|
test_ln_s_add loop1 loop2 &&
|
|
test_ln_s_add loop2 loop1 &&
|
|
git add morx dir/subdir/ind2 dir/ind1 &&
|
|
git commit -am "test" &&
|
|
echo $hello_sha1 blob $hello_size >found
|
|
'
|
|
|
|
test_expect_success 'git cat-file --batch-check --follow-symlinks works for non-links' '
|
|
echo HEAD:morx | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp found actual &&
|
|
echo HEAD:nope missing >expect &&
|
|
echo HEAD:nope | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'git cat-file --batch-check --follow-symlinks works for in-repo, same-dir links' '
|
|
echo HEAD:same-dir-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 in-repo, links to dirs' '
|
|
echo HEAD:link-to-dir/ind1 | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp found actual
|
|
'
|
|
|
|
|
|
test_expect_success 'git cat-file --batch-check --follow-symlinks works for broken in-repo, same-dir links' '
|
|
echo dangling 25 >expect &&
|
|
echo HEAD:broken-same-dir-link >>expect &&
|
|
echo HEAD:broken-same-dir-link | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'git cat-file --batch-check --follow-symlinks works for same-dir links-to-links' '
|
|
echo HEAD: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 parent-dir links' '
|
|
echo HEAD:dir/parent-dir-link | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp found actual &&
|
|
echo notdir 29 >expect &&
|
|
echo HEAD:dir/parent-dir-link/nope >>expect &&
|
|
echo HEAD:dir/parent-dir-link/nope | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'git cat-file --batch-check --follow-symlinks works for .. links' '
|
|
echo dangling 22 >expect &&
|
|
echo HEAD:dir/link-dir/nope >>expect &&
|
|
echo HEAD:dir/link-dir/nope | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp expect actual &&
|
|
echo HEAD:dir/link-dir/morx | git cat-file --batch-check --follow-symlinks >actual &&
|
|
test_cmp found actual &&
|
|
echo dangling 27 >expect &&
|
|
echo HEAD:dir/broken-link-in-dir >>expect &&
|
|
echo HEAD:dir/broken-link-in-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 ../.. links' '
|
|
echo notdir 41 >expect &&
|
|
echo HEAD:dir/subdir/grandparent-dir-link/nope >>expect &&
|
|
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 know the full set of objects; we will
|
|
# also make sure that there are some packed and some loose
|
|
# objects, some referenced and some not, some duplicates, 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 &&
|
|
git -C all-two rev-parse HEAD:file |
|
|
git -C all-two pack-objects .git/objects/pack/pack &&
|
|
sort <expect.unsorted >expect &&
|
|
git -C all-two cat-file --batch-all-objects \
|
|
--batch-check="%(objectname)" >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
# The only user-visible difference is that the objects are no longer sorted,
|
|
# and the resulting sort order is undefined. So we can only check that it
|
|
# produces the same objects as the ordered case, but that at least exercises
|
|
# the code.
|
|
test_expect_success 'cat-file --unordered works' '
|
|
git -C all-two cat-file --batch-all-objects --unordered \
|
|
--batch-check="%(objectname)" >actual.unsorted &&
|
|
sort <actual.unsorted >actual &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'set up object list for --batch-all-objects tests' '
|
|
git -C all-two cat-file --batch-all-objects --batch-check="%(objectname)" >objects
|
|
'
|
|
|
|
test_expect_success 'cat-file --batch="%(objectname)" with --batch-all-objects will work' '
|
|
git -C all-two cat-file --batch="%(objectname)" <objects >expect &&
|
|
git -C all-two cat-file --batch-all-objects --batch="%(objectname)" >actual &&
|
|
cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'cat-file --batch="%(rest)" with --batch-all-objects will work' '
|
|
git -C all-two cat-file --batch="%(rest)" <objects >expect &&
|
|
git -C all-two cat-file --batch-all-objects --batch="%(rest)" >actual &&
|
|
cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'cat-file --batch="batman" with --batch-all-objects will work' '
|
|
git -C all-two cat-file --batch="batman" <objects >expect &&
|
|
git -C all-two cat-file --batch-all-objects --batch="batman" >actual &&
|
|
cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'set up replacement object' '
|
|
orig=$(git rev-parse HEAD) &&
|
|
git cat-file commit $orig >orig &&
|
|
{
|
|
cat orig &&
|
|
echo extra
|
|
} >fake &&
|
|
fake=$(git hash-object -t commit -w fake) &&
|
|
orig_size=$(git cat-file -s $orig) &&
|
|
fake_size=$(git cat-file -s $fake) &&
|
|
git replace $orig $fake
|
|
'
|
|
|
|
test_expect_success 'cat-file --batch respects replace objects' '
|
|
git cat-file --batch >actual <<-EOF &&
|
|
$orig
|
|
EOF
|
|
{
|
|
echo "$orig commit $fake_size" &&
|
|
cat fake &&
|
|
echo
|
|
} >expect &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'cat-file --batch-check respects replace objects' '
|
|
git cat-file --batch-check >actual <<-EOF &&
|
|
$orig
|
|
EOF
|
|
echo "$orig commit $fake_size" >expect &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
# Pull the entry for object with oid "$1" out of the output of
|
|
# "cat-file --batch", including its object content (which requires
|
|
# parsing and reading a set amount of bytes, hence perl).
|
|
extract_batch_output () {
|
|
perl -ne '
|
|
BEGIN { $oid = shift }
|
|
if (/^$oid \S+ (\d+)$/) {
|
|
print;
|
|
read STDIN, my $buf, $1;
|
|
print $buf;
|
|
print "\n";
|
|
}
|
|
' "$@"
|
|
}
|
|
|
|
test_expect_success 'cat-file --batch-all-objects --batch ignores replace' '
|
|
git cat-file --batch-all-objects --batch >actual.raw &&
|
|
extract_batch_output $orig <actual.raw >actual &&
|
|
{
|
|
echo "$orig commit $orig_size" &&
|
|
cat orig &&
|
|
echo
|
|
} >expect &&
|
|
test_cmp expect actual
|
|
'
|
|
|
|
test_expect_success 'cat-file --batch-all-objects --batch-check ignores replace' '
|
|
git cat-file --batch-all-objects --batch-check >actual.raw &&
|
|
grep ^$orig actual.raw >actual &&
|
|
echo "$orig commit $orig_size" >expect &&
|
|
test_cmp expect actual
|
|
'
|
|
test_expect_success 'batch-command empty command' '
|
|
echo "" >cmd &&
|
|
test_expect_code 128 git cat-file --batch-command <cmd 2>err &&
|
|
grep "^fatal:.*empty command in input.*" err
|
|
'
|
|
|
|
test_expect_success 'batch-command whitespace before command' '
|
|
echo " info deadbeef" >cmd &&
|
|
test_expect_code 128 git cat-file --batch-command <cmd 2>err &&
|
|
grep "^fatal:.*whitespace before command.*" err
|
|
'
|
|
|
|
test_expect_success 'batch-command unknown command' '
|
|
echo unknown_command >cmd &&
|
|
test_expect_code 128 git cat-file --batch-command <cmd 2>err &&
|
|
grep "^fatal:.*unknown command.*" err
|
|
'
|
|
|
|
test_expect_success 'batch-command missing arguments' '
|
|
echo "info" >cmd &&
|
|
test_expect_code 128 git cat-file --batch-command <cmd 2>err &&
|
|
grep "^fatal:.*info requires arguments.*" err
|
|
'
|
|
|
|
test_expect_success 'batch-command flush with arguments' '
|
|
echo "flush arg" >cmd &&
|
|
test_expect_code 128 git cat-file --batch-command --buffer <cmd 2>err &&
|
|
grep "^fatal:.*flush takes no arguments.*" err
|
|
'
|
|
|
|
test_expect_success 'batch-command flush without --buffer' '
|
|
echo "flush" >cmd &&
|
|
test_expect_code 128 git cat-file --batch-command <cmd 2>err &&
|
|
grep "^fatal:.*flush is only for --buffer mode.*" err
|
|
'
|
|
|
|
test_done
|