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-rw-r--r--builtin/cat-file.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/builtin/cat-file.c b/builtin/cat-file.c
index 425346048..41afaa534 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
@@ -127,6 +128,13 @@ struct expand_data {
int mark_query;
/*
+ * Whether to split the input on whitespace before feeding it to
+ * get_sha1; this is decided during the mark_query phase based on
+ * whether we have a %(rest) token in our format.
+ */
+ int split_on_whitespace;
+
+ /*
* After a mark_query run, this object_info is set up to be
* passed to sha1_object_info_extended. It will point to the data
* elements above, so you can retrieve the response from there.
@@ -163,6 +171,11 @@ 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->split_on_whitespace = 1;
+ else if (data->rest)
+ strbuf_addstr(sb, data->rest);
} else
die("unknown format element: %.*s", len, atom);
}
@@ -273,7 +286,23 @@ static int batch_objects(struct batch_options *opt)
warn_on_object_refname_ambiguity = 0;
while (strbuf_getline(&buf, stdin, '\n') != EOF) {
- int error = batch_one_object(buf.buf, opt, &data);
+ int error;
+
+ if (data.split_on_whitespace) {
+ /*
+ * Split at first whitespace, tying off the beginning
+ * of the string and saving the remainder (or NULL) in
+ * data.rest.
+ */
+ char *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;
}