On 06/24, Nguyễn Thái Ngọc Duy wrote:
> So far we don't have a command to basically dump the index file out,
> with all its glory details. Checking some info, for example, stat
> time, usually involves either writing new code or firing up "xxd" and
> decoding values by yourself.
>
> This --json is supposed to help that. It dumps the index in a human
> readable format but also easy to be processed with tools. And it will
> print almost enough info to reconstruct the index later.
>
> In this patch we only dump the main part, not extensions. But at the
> end of the series, the entire index is dumped. The end result could be
> very verbose even on a small repository such as git.git.
>
> Signed-off-by: Nguyễn Thái Ngọc Duy <[email protected]>
> ---
> Documentation/git-ls-files.txt | 5 +++
> builtin/ls-files.c | 38 +++++++++++++---
> cache.h | 2 +
> json-writer.c | 22 ++++++++++
> json-writer.h | 23 ++++++++++
> read-cache.c | 72 ++++++++++++++++++++++++++++++-
> t/t3011-ls-files-json.sh (new +x) | 44 +++++++++++++++++++
> t/t3011/basic (new) | 67 ++++++++++++++++++++++++++++
> 8 files changed, 265 insertions(+), 8 deletions(-)
>
> [...]
>
> diff --git a/t/t3011-ls-files-json.sh b/t/t3011-ls-files-json.sh
> new file mode 100755
> index 0000000000..97bcd814be
> --- /dev/null
> +++ b/t/t3011-ls-files-json.sh
> @@ -0,0 +1,44 @@
> +#!/bin/sh
> +
> +test_description='ls-files dumping json'
> +
> +. ./test-lib.sh
> +
> +strip_number() {
> + for name; do
> + echo 's/\("'$name'":\) [0-9]\+/\1 <number>/' >>filter.sed
> + done
> +}
> +
> +strip_string() {
> + for name; do
> + echo 's/\("'$name'":\) ".*"/\1 <string>/' >>filter.sed
> + done
> +}
> +
> +compare_json() {
> + git ls-files --debug-json >json &&
> + sed -f filter.sed json >filtered &&
> + test_cmp "$TEST_DIRECTORY"/t3011/"$1" filtered
> +}
> +
> +test_expect_success 'setup' '
> + mkdir sub &&
> + echo one >one &&
> + git add one &&
> + echo 2 >sub/two &&
> + git add sub/two &&
> +
> + echo intent-to-add >ita &&
> + git add -N ita &&
> +
> + strip_number ctime_sec ctime_nsec mtime_sec mtime_nsec &&
> + strip_number device inode uid gid file_offset ext_size &&
> + strip_string oid ident
> +'
> +
> +test_expect_success 'ls-files --json, main entries' '
> + compare_json basic
> +'
> +
> +test_done
> diff --git a/t/t3011/basic b/t/t3011/basic
> new file mode 100644
> index 0000000000..9436445d90
> --- /dev/null
> +++ b/t/t3011/basic
> @@ -0,0 +1,67 @@
> +{
> + "version": 3,
This will break the test suite when 'GIT_TEST_INDEX_VERSION' is set to
4 for example. I think this applies to a few other tests in later
patches as well.
> + "oid": <string>,
> + "mtime_sec": <number>,
> + "mtime_nsec": <number>,
> + "entries": [
> + {
> + "id": 0,
> + "name": "ita",
> + "mode": "100644",
> + "flags": 536887296,
> + "extended_flags": true,
> + "intent_to_add": true,
> + "oid": <string>,
> + "stat": {
> + "ctime_sec": <number>,
> + "ctime_nsec": <number>,
> + "mtime_sec": <number>,
> + "mtime_nsec": <number>,
> + "device": <number>,
> + "inode": <number>,
> + "uid": <number>,
> + "gid": <number>,
> + "size": 0
> + },
> + "file_offset": <number>
> + },
> + {
> + "id": 1,
> + "name": "one",
> + "mode": "100644",
> + "flags": 0,
> + "oid": <string>,
> + "stat": {
> + "ctime_sec": <number>,
> + "ctime_nsec": <number>,
> + "mtime_sec": <number>,
> + "mtime_nsec": <number>,
> + "device": <number>,
> + "inode": <number>,
> + "uid": <number>,
> + "gid": <number>,
> + "size": 4
> + },
> + "file_offset": <number>
> + },
> + {
> + "id": 2,
> + "name": "sub/two",
> + "mode": "100644",
> + "flags": 0,
> + "oid": <string>,
> + "stat": {
> + "ctime_sec": <number>,
> + "ctime_nsec": <number>,
> + "mtime_sec": <number>,
> + "mtime_nsec": <number>,
> + "device": <number>,
> + "inode": <number>,
> + "uid": <number>,
> + "gid": <number>,
> + "size": 2
> + },
> + "file_offset": <number>
> + }
> + ]
> +}
> --
> 2.22.0.rc0.322.g2b0371e29a
>
