The pattern syntax of for-each-ref is handy for users, but a bit subtle:
a pattern matches a ref if it matches as an fnmatch pattern, or literally,
or literally against a prefix of the refname up to a slash. Expose the
for-each-ref pattern-matcher for scripts to use, so that they can provide
a consistent user interface without duplicating the implementation.
Signed-off-by: Greg Price <price@xxxxxxx>
---
builtin/for-each-ref.c | 22 ++++++++++++++++++++--
1 files changed, 20 insertions(+), 2 deletions(-)
diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c
index 89e75c6..0413ec0 100644
--- a/builtin/for-each-ref.c
+++ b/builtin/for-each-ref.c
@@ -779,6 +779,20 @@ static int grab_single_ref(const char *refname, const unsigned char *sha1, int f
return 0;
}
+static void for_each_ref_stdin(each_ref_fn fn, void *cb_data)
+{
+ struct strbuf buf;
+ unsigned char sha1[20];
+
+ strbuf_init(&buf, 0);
+ while (strbuf_getline(&buf, stdin, '\n') != EOF) {
+ if (read_ref(buf.buf, sha1))
+ continue;
+ fn(buf.buf, sha1, 0, cb_data);
+ }
+ strbuf_release(&buf);
+}
+
static int cmp_ref_sort(struct ref_sort *s, struct refinfo *a, struct refinfo *b)
{
struct atom_value *va, *vb;
@@ -943,7 +957,7 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
int i, num_refs;
const char *format = "%(objectname) %(objecttype)\t%(refname)";
struct ref_sort *sort = NULL, **sort_tail = &sort;
- int maxcount = 0, quote_style = 0;
+ int maxcount = 0, quote_style = 0, stdin_refs = 0;
struct refinfo **refs;
struct grab_ref_cbdata cbdata;
@@ -962,6 +976,7 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
OPT_STRING( 0 , "format", &format, "format", "format to use for the output"),
OPT_CALLBACK(0 , "sort", sort_tail, "key",
"field name to sort on", &opt_parse_sort),
+ OPT_BOOLEAN( 0 , "stdin", &stdin_refs, "read candidate refs from stdin, rather than all refs"),
OPT_END(),
};
@@ -986,7 +1001,10 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
memset(&cbdata, 0, sizeof(cbdata));
cbdata.grab_pattern = argv;
- for_each_rawref(grab_single_ref, &cbdata);
+ if (stdin_refs)
+ for_each_ref_stdin(grab_single_ref, &cbdata);
+ else
+ for_each_rawref(grab_single_ref, &cbdata);
refs = cbdata.grab_array;
num_refs = cbdata.grab_cnt;
--
1.7.5.4
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