summaryrefslogtreecommitdiff
path: root/builtin/fast-export.c
diff options
context:
space:
mode:
Diffstat (limited to 'builtin/fast-export.c')
-rw-r--r--builtin/fast-export.c109
1 files changed, 55 insertions, 54 deletions
diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index b8182c241d..2dfed87454 100644
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -5,6 +5,7 @@
*/
#include "builtin.h"
#include "cache.h"
+#include "refs.h"
#include "commit.h"
#include "object.h"
#include "tag.h"
@@ -211,7 +212,7 @@ static char *anonymize_blob(unsigned long *size)
return strbuf_detach(&out, NULL);
}
-static void export_blob(const unsigned char *sha1)
+static void export_blob(const struct object_id *oid)
{
unsigned long size;
enum object_type type;
@@ -222,34 +223,34 @@ static void export_blob(const unsigned char *sha1)
if (no_data)
return;
- if (is_null_sha1(sha1))
+ if (is_null_oid(oid))
return;
- object = lookup_object(sha1);
+ object = lookup_object(oid->hash);
if (object && object->flags & SHOWN)
return;
if (anonymize) {
buf = anonymize_blob(&size);
- object = (struct object *)lookup_blob(sha1);
+ object = (struct object *)lookup_blob(oid);
eaten = 0;
} else {
- buf = read_sha1_file(sha1, &type, &size);
+ buf = read_sha1_file(oid->hash, &type, &size);
if (!buf)
- die ("Could not read blob %s", sha1_to_hex(sha1));
- if (check_sha1_signature(sha1, buf, size, typename(type)) < 0)
- die("sha1 mismatch in blob %s", sha1_to_hex(sha1));
- object = parse_object_buffer(sha1, type, size, buf, &eaten);
+ die ("Could not read blob %s", oid_to_hex(oid));
+ if (check_sha1_signature(oid->hash, buf, size, typename(type)) < 0)
+ die("sha1 mismatch in blob %s", oid_to_hex(oid));
+ object = parse_object_buffer(oid, type, size, buf, &eaten);
}
if (!object)
- die("Could not read blob %s", sha1_to_hex(sha1));
+ die("Could not read blob %s", oid_to_hex(oid));
mark_next_object(object);
printf("blob\nmark :%"PRIu32"\ndata %lu\n", last_idnum, size);
if (size && fwrite(buf, size, 1, stdout) != 1)
- die_errno ("Could not write blob '%s'", sha1_to_hex(sha1));
+ die_errno ("Could not write blob '%s'", oid_to_hex(oid));
printf("\n");
show_progress();
@@ -322,19 +323,19 @@ static void print_path(const char *path)
}
}
-static void *generate_fake_sha1(const void *old, size_t *len)
+static void *generate_fake_oid(const void *old, size_t *len)
{
static uint32_t counter = 1; /* avoid null sha1 */
- unsigned char *out = xcalloc(20, 1);
- put_be32(out + 16, counter++);
+ unsigned char *out = xcalloc(GIT_SHA1_RAWSZ, 1);
+ put_be32(out + GIT_SHA1_RAWSZ - 4, counter++);
return out;
}
-static const unsigned char *anonymize_sha1(const unsigned char *sha1)
+static const unsigned char *anonymize_sha1(const struct object_id *oid)
{
static struct hashmap sha1s;
- size_t len = 20;
- return anonymize_mem(&sha1s, generate_fake_sha1, sha1, &len);
+ size_t len = GIT_SHA1_RAWSZ;
+ return anonymize_mem(&sha1s, generate_fake_oid, oid, &len);
}
static void show_filemodify(struct diff_queue_struct *q,
@@ -346,7 +347,7 @@ static void show_filemodify(struct diff_queue_struct *q,
* Handle files below a directory first, in case they are all deleted
* and the directory changes to a file or symlink.
*/
- qsort(q->queue, q->nr, sizeof(q->queue[0]), depth_first);
+ QSORT(q->queue, q->nr, depth_first);
for (i = 0; i < q->nr; i++) {
struct diff_filespec *ospec = q->queue[i]->one;
@@ -367,7 +368,7 @@ static void show_filemodify(struct diff_queue_struct *q,
print_path(spec->path);
putchar('\n');
- if (!hashcmp(ospec->sha1, spec->sha1) &&
+ if (!oidcmp(&ospec->oid, &spec->oid) &&
ospec->mode == spec->mode)
break;
/* fallthrough */
@@ -382,10 +383,10 @@ static void show_filemodify(struct diff_queue_struct *q,
if (no_data || S_ISGITLINK(spec->mode))
printf("M %06o %s ", spec->mode,
sha1_to_hex(anonymize ?
- anonymize_sha1(spec->sha1) :
- spec->sha1));
+ anonymize_sha1(&spec->oid) :
+ spec->oid.hash));
else {
- struct object *object = lookup_object(spec->sha1);
+ struct object *object = lookup_object(spec->oid.hash);
printf("M %06o :%d ", spec->mode,
get_object_mark(object));
}
@@ -543,13 +544,13 @@ static void handle_commit(struct commit *commit, struct rev_info *rev)
author = strstr(commit_buffer, "\nauthor ");
if (!author)
die ("Could not find author in commit %s",
- sha1_to_hex(commit->object.sha1));
+ oid_to_hex(&commit->object.oid));
author++;
author_end = strchrnul(author, '\n');
committer = strstr(author_end, "\ncommitter ");
if (!committer)
die ("Could not find committer in commit %s",
- sha1_to_hex(commit->object.sha1));
+ oid_to_hex(&commit->object.oid));
committer++;
committer_end = strchrnul(committer, '\n');
message = strstr(committer_end, "\n\n");
@@ -561,17 +562,17 @@ static void handle_commit(struct commit *commit, struct rev_info *rev)
get_object_mark(&commit->parents->item->object) != 0 &&
!full_tree) {
parse_commit_or_die(commit->parents->item);
- diff_tree_sha1(commit->parents->item->tree->object.sha1,
- commit->tree->object.sha1, "", &rev->diffopt);
+ diff_tree_sha1(commit->parents->item->tree->object.oid.hash,
+ commit->tree->object.oid.hash, "", &rev->diffopt);
}
else
- diff_root_tree_sha1(commit->tree->object.sha1,
+ diff_root_tree_sha1(commit->tree->object.oid.hash,
"", &rev->diffopt);
/* Export the referenced blobs, and remember the marks. */
for (i = 0; i < diff_queued_diff.nr; i++)
if (!S_ISGITLINK(diff_queued_diff.queue[i]->two->mode))
- export_blob(diff_queued_diff.queue[i]->two->sha1);
+ export_blob(&diff_queued_diff.queue[i]->two->oid);
refname = commit->util;
if (anonymize) {
@@ -660,13 +661,13 @@ static void handle_tag(const char *name, struct tag *tag)
}
if (tagged->type == OBJ_TREE) {
warning("Omitting tag %s,\nsince tags of trees (or tags of tags of trees, etc.) are not supported.",
- sha1_to_hex(tag->object.sha1));
+ oid_to_hex(&tag->object.oid));
return;
}
- buf = read_sha1_file(tag->object.sha1, &type, &size);
+ buf = read_sha1_file(tag->object.oid.hash, &type, &size);
if (!buf)
- die ("Could not read tag %s", sha1_to_hex(tag->object.sha1));
+ die ("Could not read tag %s", oid_to_hex(&tag->object.oid));
message = memmem(buf, size, "\n\n", 2);
if (message) {
message += 2;
@@ -705,16 +706,16 @@ static void handle_tag(const char *name, struct tag *tag)
case ABORT:
die ("Encountered signed tag %s; use "
"--signed-tags=<mode> to handle it.",
- sha1_to_hex(tag->object.sha1));
+ oid_to_hex(&tag->object.oid));
case WARN:
warning ("Exporting signed tag %s",
- sha1_to_hex(tag->object.sha1));
+ oid_to_hex(&tag->object.oid));
/* fallthru */
case VERBATIM:
break;
case WARN_STRIP:
warning ("Stripping signature from tag %s",
- sha1_to_hex(tag->object.sha1));
+ oid_to_hex(&tag->object.oid));
/* fallthru */
case STRIP:
message_size = signature + 1 - message;
@@ -730,14 +731,15 @@ static void handle_tag(const char *name, struct tag *tag)
case ABORT:
die ("Tag %s tags unexported object; use "
"--tag-of-filtered-object=<mode> to handle it.",
- sha1_to_hex(tag->object.sha1));
+ oid_to_hex(&tag->object.oid));
case DROP:
/* Ignore this tag altogether */
+ free(buf);
return;
case REWRITE:
if (tagged->type != OBJ_COMMIT) {
die ("Tag %s tags unexported %s!",
- sha1_to_hex(tag->object.sha1),
+ oid_to_hex(&tag->object.oid),
typename(tagged->type));
}
p = (struct commit *)tagged;
@@ -750,7 +752,7 @@ static void handle_tag(const char *name, struct tag *tag)
break;
if (!p->parents)
die ("Can't find replacement commit for tag %s\n",
- sha1_to_hex(tag->object.sha1));
+ oid_to_hex(&tag->object.oid));
p = p->parents->item;
}
tagged_mark = get_object_mark(&p->object);
@@ -764,6 +766,7 @@ static void handle_tag(const char *name, struct tag *tag)
(int)(tagger_end - tagger), tagger,
tagger == tagger_end ? "" : "\n",
(int)message_size, (int)message_size, message ? message : "");
+ free(buf);
}
static struct commit *get_commit(struct rev_cmdline_entry *e, char *full_name)
@@ -776,7 +779,7 @@ static struct commit *get_commit(struct rev_cmdline_entry *e, char *full_name)
/* handle nested tags */
while (tag && tag->object.type == OBJ_TAG) {
- parse_object(tag->object.sha1);
+ parse_object(&tag->object.oid);
string_list_append(&extra_refs, full_name)->util = tag;
tag = (struct tag *)tag->tagged;
}
@@ -796,14 +799,14 @@ static void get_tags_and_duplicates(struct rev_cmdline_info *info)
for (i = 0; i < info->nr; i++) {
struct rev_cmdline_entry *e = info->rev + i;
- unsigned char sha1[20];
+ struct object_id oid;
struct commit *commit;
char *full_name;
if (e->flags & UNINTERESTING)
continue;
- if (dwim_ref(e->name, strlen(e->name), sha1, &full_name) != 1)
+ if (dwim_ref(e->name, strlen(e->name), oid.hash, &full_name) != 1)
continue;
if (refspecs) {
@@ -827,7 +830,7 @@ static void get_tags_and_duplicates(struct rev_cmdline_info *info)
case OBJ_COMMIT:
break;
case OBJ_BLOB:
- export_blob(commit->object.sha1);
+ export_blob(&commit->object.oid);
continue;
default: /* OBJ_TAG (nested tags) is already handled */
warning("Tag points to object of unexpected type %s, skipping.",
@@ -879,7 +882,7 @@ static void export_marks(char *file)
FILE *f;
int e = 0;
- f = fopen(file, "w");
+ f = fopen_for_writing(file);
if (!f)
die_errno("Unable to open marks file %s for writing.", file);
@@ -887,7 +890,7 @@ static void export_marks(char *file)
if (deco->base && deco->base->type == 1) {
mark = ptr_to_mark(deco->decoration);
if (fprintf(f, ":%"PRIu32" %s\n", mark,
- sha1_to_hex(deco->base->sha1)) < 0) {
+ oid_to_hex(&deco->base->oid)) < 0) {
e = 1;
break;
}
@@ -904,14 +907,12 @@ static void export_marks(char *file)
static void import_marks(char *input_file)
{
char line[512];
- FILE *f = fopen(input_file, "r");
- if (!f)
- die_errno("cannot read '%s'", input_file);
+ FILE *f = xfopen(input_file, "r");
while (fgets(line, sizeof(line), f)) {
uint32_t mark;
char *line_end, *mark_end;
- unsigned char sha1[20];
+ struct object_id oid;
struct object *object;
struct commit *commit;
enum object_type type;
@@ -923,28 +924,28 @@ static void import_marks(char *input_file)
mark = strtoumax(line + 1, &mark_end, 10);
if (!mark || mark_end == line + 1
- || *mark_end != ' ' || get_sha1_hex(mark_end + 1, sha1))
+ || *mark_end != ' ' || get_oid_hex(mark_end + 1, &oid))
die("corrupt mark line: %s", line);
if (last_idnum < mark)
last_idnum = mark;
- type = sha1_object_info(sha1, NULL);
+ type = sha1_object_info(oid.hash, NULL);
if (type < 0)
- die("object not found: %s", sha1_to_hex(sha1));
+ die("object not found: %s", oid_to_hex(&oid));
if (type != OBJ_COMMIT)
/* only commits */
continue;
- commit = lookup_commit(sha1);
+ commit = lookup_commit(&oid);
if (!commit)
- die("not a commit? can't happen: %s", sha1_to_hex(sha1));
+ die("not a commit? can't happen: %s", oid_to_hex(&oid));
object = &commit->object;
if (object->flags & SHOWN)
- error("Object %s already has a mark", sha1_to_hex(sha1));
+ error("Object %s already has a mark", oid_to_hex(&oid));
mark_object(object, mark);
@@ -1020,7 +1021,7 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
const char **refspecs_str;
int i;
- refspecs_str = xmalloc(sizeof(*refspecs_str) * refspecs_list.nr);
+ ALLOC_ARRAY(refspecs_str, refspecs_list.nr);
for (i = 0; i < refspecs_list.nr; i++)
refspecs_str[i] = refspecs_list.items[i].string;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 12:13:36 +0000