diff options
| -rw-r--r-- | Documentation/git-cat-file.txt | 10 | ||||
| -rw-r--r-- | builtin/cat-file.c | 20 | ||||
| -rwxr-xr-x | t/t1006-cat-file.sh | 7 |
3 files changed, 34 insertions, 3 deletions
diff --git a/Documentation/git-cat-file.txt b/Documentation/git-cat-file.txt index 10fbc6a373..3ddec0b65b 100644 --- a/Documentation/git-cat-file.txt +++ b/Documentation/git-cat-file.txt @@ -88,8 +88,10 @@ BATCH OUTPUT If `--batch` or `--batch-check` is given, `cat-file` will read objects from stdin, one per line, and print information about them. -Each line is considered as a whole object name, and is parsed as if -given to linkgit:git-rev-parse[1]. +Each line is split at the first whitespace boundary. All characters +before that whitespace are considered as a whole object name, and are +parsed as if given to linkgit:git-rev-parse[1]. Characters after that +whitespace can be accessed using the `%(rest)` atom (see below). You can specify the information shown for each object by using a custom `<format>`. The `<format>` is copied literally to stdout for each @@ -110,6 +112,10 @@ newline. The available atoms are: The size, in bytes, that the object takes up on disk. See the note about on-disk sizes in the `CAVEATS` section below. +`rest`:: + The text (if any) found after the first run of whitespace on the + input line (i.e., the "rest" of the line). + If no format is specified, the default format is `%(objectname) %(objecttype) %(objectsize)`. diff --git a/builtin/cat-file.c b/builtin/cat-file.c index 11fa8c08bc..0e64b4159c 100644 --- a/builtin/cat-file.c +++ b/builtin/cat-file.c @@ -119,6 +119,7 @@ struct expand_data { enum object_type type; unsigned long size; unsigned long disk_size; + const char *rest; /* * If mark_query is true, we do not expand anything, but rather @@ -161,6 +162,9 @@ static void expand_atom(struct strbuf *sb, const char *atom, int len, data->info.disk_sizep = &data->disk_size; else strbuf_addf(sb, "%lu", data->disk_size); + } else if (is_atom("rest", atom, len)) { + if (!data->mark_query && data->rest) + strbuf_addstr(sb, data->rest); } else die("unknown format element: %.*s", len, atom); } @@ -263,7 +267,21 @@ static int batch_objects(struct batch_options *opt) data.mark_query = 0; while (strbuf_getline(&buf, stdin, '\n') != EOF) { - int error = batch_one_object(buf.buf, opt, &data); + char *p; + int error; + + /* + * Split at first whitespace, tying off the beginning of the + * string and saving the remainder (or NULL) in data.rest. + */ + p = strpbrk(buf.buf, " \t"); + if (p) { + while (*p && strchr(" \t", *p)) + *p++ = '\0'; + } + data.rest = p; + + error = batch_one_object(buf.buf, opt, &data); if (error) return error; } diff --git a/t/t1006-cat-file.sh b/t/t1006-cat-file.sh index 4e911fb43d..d499d02a29 100755 --- a/t/t1006-cat-file.sh +++ b/t/t1006-cat-file.sh @@ -78,6 +78,13 @@ $content" echo $sha1 | git cat-file --batch-check="%(objecttype) %(objectname)" >actual && test_cmp expect actual ' + + test_expect_success '--batch-check with %(rest)' ' + echo "$type this is some extra content" >expect && + echo "$sha1 this is some extra content" | + git cat-file --batch-check="%(objecttype) %(rest)" >actual && + test_cmp expect actual + ' } hello_content="Hello World" |