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Diffstat (limited to 'builtin/cat-file.c')
-rw-r--r--builtin/cat-file.c76
1 files changed, 47 insertions, 29 deletions
diff --git a/builtin/cat-file.c b/builtin/cat-file.c
index 41afaa534b..f8d81291b9 100644
--- a/builtin/cat-file.c
+++ b/builtin/cat-file.c
@@ -45,6 +45,14 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name)
case 'e':
return !has_sha1_file(sha1);
+ case 'c':
+ if (!obj_context.path[0])
+ die("git cat-file --textconv %s: <object> must be <sha1:path>",
+ obj_name);
+
+ if (textconv_object(obj_context.path, obj_context.mode, sha1, 1, &buf, &size))
+ break;
+
case 'p':
type = sha1_object_info(sha1, NULL);
if (type < 0)
@@ -67,16 +75,6 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name)
/* otherwise just spit out the data */
break;
- case 'c':
- if (!obj_context.path[0])
- die("git cat-file --textconv %s: <object> must be <sha1:path>",
- obj_name);
-
- if (!textconv_object(obj_context.path, obj_context.mode, sha1, 1, &buf, &size))
- die("git cat-file --textconv: unable to run textconv on %s",
- obj_name);
- break;
-
case 0:
if (type_from_string(exp_type) == OBJ_BLOB) {
unsigned char blob_sha1[20];
@@ -84,8 +82,9 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name)
enum object_type type;
unsigned long size;
char *buffer = read_sha1_file(sha1, &type, &size);
- if (memcmp(buffer, "object ", 7) ||
- get_sha1_hex(buffer + 7, blob_sha1))
+ const char *target;
+ if (!skip_prefix(buffer, "object ", &target) ||
+ get_sha1_hex(target, blob_sha1))
die("%s not a valid tag", sha1_to_hex(sha1));
free(buffer);
} else
@@ -120,6 +119,7 @@ struct expand_data {
unsigned long size;
unsigned long disk_size;
const char *rest;
+ unsigned char delta_base_sha1[20];
/*
* If mark_query is true, we do not expand anything, but rather
@@ -176,6 +176,11 @@ static void expand_atom(struct strbuf *sb, const char *atom, int len,
data->split_on_whitespace = 1;
else if (data->rest)
strbuf_addstr(sb, data->rest);
+ } else if (is_atom("deltabase", atom, len)) {
+ if (data->mark_query)
+ data->info.delta_base_sha1 = data->delta_base_sha1;
+ else
+ strbuf_addstr(sb, sha1_to_hex(data->delta_base_sha1));
} else
die("unknown format element: %.*s", len, atom);
}
@@ -195,25 +200,28 @@ static size_t expand_format(struct strbuf *sb, const char *start, void *data)
return end - start + 1;
}
-static void print_object_or_die(int fd, const unsigned char *sha1,
- enum object_type type, unsigned long size)
+static void print_object_or_die(int fd, struct expand_data *data)
{
- if (type == OBJ_BLOB) {
+ const unsigned char *sha1 = data->sha1;
+
+ assert(data->info.typep);
+
+ if (data->type == OBJ_BLOB) {
if (stream_blob_to_fd(fd, sha1, NULL, 0) < 0)
die("unable to stream %s to stdout", sha1_to_hex(sha1));
}
else {
- enum object_type rtype;
- unsigned long rsize;
+ enum object_type type;
+ unsigned long size;
void *contents;
- contents = read_sha1_file(sha1, &rtype, &rsize);
+ contents = read_sha1_file(sha1, &type, &size);
if (!contents)
die("object %s disappeared", sha1_to_hex(sha1));
- if (rtype != type)
+ if (type != data->type)
die("object %s changed type!?", sha1_to_hex(sha1));
- if (rsize != size)
- die("object %s change size!?", sha1_to_hex(sha1));
+ if (data->info.sizep && size != data->size)
+ die("object %s changed size!?", sha1_to_hex(sha1));
write_or_die(fd, contents, size);
free(contents);
@@ -240,7 +248,7 @@ static int batch_one_object(const char *obj_name, struct batch_options *opt,
return 0;
}
- if (sha1_object_info_extended(data->sha1, &data->info) < 0) {
+ if (sha1_object_info_extended(data->sha1, &data->info, LOOKUP_REPLACE_OBJECT) < 0) {
printf("%s missing\n", obj_name);
fflush(stdout);
return 0;
@@ -252,7 +260,7 @@ static int batch_one_object(const char *obj_name, struct batch_options *opt,
strbuf_release(&buf);
if (opt->print_contents) {
- print_object_or_die(1, data->sha1, data->type, data->size);
+ print_object_or_die(1, data);
write_or_die(1, "\n", 1);
}
return 0;
@@ -262,6 +270,8 @@ static int batch_objects(struct batch_options *opt)
{
struct strbuf buf = STRBUF_INIT;
struct expand_data data;
+ int save_warning;
+ int retval = 0;
if (!opt->format)
opt->format = "%(objectname) %(objecttype) %(objectsize)";
@@ -277,17 +287,23 @@ static int batch_objects(struct batch_options *opt)
data.mark_query = 0;
/*
+ * If we are printing out the object, then always fill in the type,
+ * since we will want to decide whether or not to stream.
+ */
+ if (opt->print_contents)
+ data.info.typep = &data.type;
+
+ /*
* We are going to call get_sha1 on a potentially very large number of
* objects. In most large cases, these will be actual object sha1s. The
* cost to double-check that each one is not also a ref (just so we can
* warn) ends up dwarfing the actual cost of the object lookups
* themselves. We can work around it by just turning off the warning.
*/
+ save_warning = warn_on_object_refname_ambiguity;
warn_on_object_refname_ambiguity = 0;
while (strbuf_getline(&buf, stdin, '\n') != EOF) {
- int error;
-
if (data.split_on_whitespace) {
/*
* Split at first whitespace, tying off the beginning
@@ -302,12 +318,14 @@ static int batch_objects(struct batch_options *opt)
data.rest = p;
}
- error = batch_one_object(buf.buf, opt, &data);
- if (error)
- return error;
+ retval = batch_one_object(buf.buf, opt, &data);
+ if (retval)
+ break;
}
- return 0;
+ strbuf_release(&buf);
+ warn_on_object_refname_ambiguity = save_warning;
+ return retval;
}
static const char * const cat_file_usage[] = {
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-05 09:46:36 +0000