*/
#include "builtin.h"
#include "cache.h"
+#include "config.h"
#include "refs.h"
#include "commit.h"
#include "object.h"
size_t anon_len;
};
-static int anonymized_entry_cmp(const void *va, const void *vb,
- const void *data)
+static int anonymized_entry_cmp(const void *unused_cmp_data,
+ const void *va, const void *vb,
+ const void *unused_keydata)
{
const struct anonymized_entry *a = va, *b = vb;
return a->orig_len != b->orig_len ||
struct anonymized_entry key, *ret;
if (!map->cmpfn)
- hashmap_init(map, anonymized_entry_cmp, 0);
+ hashmap_init(map, anonymized_entry_cmp, NULL, 0);
hashmap_entry_init(&key, memhash(orig, *len));
key.orig = orig;
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;
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();
}
}
-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,
struct diff_options *options, void *data)
{
int i;
+ struct string_list *changed = data;
/*
* Handle files below a directory first, in case they are all deleted
case DIFF_STATUS_DELETED:
printf("D ");
print_path(spec->path);
+ string_list_insert(changed, spec->path);
putchar('\n');
break;
case DIFF_STATUS_COPIED:
case DIFF_STATUS_RENAMED:
- printf("%c ", q->queue[i]->status);
- print_path(ospec->path);
- putchar(' ');
- print_path(spec->path);
- putchar('\n');
-
- if (!oidcmp(&ospec->oid, &spec->oid) &&
- ospec->mode == spec->mode)
- break;
+ /*
+ * If a change in the file corresponding to ospec->path
+ * has been observed, we cannot trust its contents
+ * because the diff is calculated based on the prior
+ * contents, not the current contents. So, declare a
+ * copy or rename only if there was no change observed.
+ */
+ if (!string_list_has_string(changed, ospec->path)) {
+ printf("%c ", q->queue[i]->status);
+ print_path(ospec->path);
+ putchar(' ');
+ print_path(spec->path);
+ string_list_insert(changed, spec->path);
+ putchar('\n');
+
+ if (!oidcmp(&ospec->oid, &spec->oid) &&
+ ospec->mode == spec->mode)
+ break;
+ }
/* fallthrough */
case DIFF_STATUS_TYPE_CHANGED:
if (no_data || S_ISGITLINK(spec->mode))
printf("M %06o %s ", spec->mode,
sha1_to_hex(anonymize ?
- anonymize_sha1(spec->oid.hash) :
+ anonymize_sha1(&spec->oid) :
spec->oid.hash));
else {
struct object *object = lookup_object(spec->oid.hash);
get_object_mark(object));
}
print_path(spec->path);
+ string_list_insert(changed, spec->path);
putchar('\n');
break;
*end = out->buf + out->len;
}
- static void handle_commit(struct commit *commit, struct rev_info *rev)
+ static void handle_commit(struct commit *commit, struct rev_info *rev,
+ struct string_list *paths_of_changed_objects)
{
int saved_output_format = rev->diffopt.output_format;
const char *commit_buffer;
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.oid.hash,
- commit->tree->object.oid.hash, "", &rev->diffopt);
+ diff_tree_oid(&commit->parents->item->tree->object.oid,
+ &commit->tree->object.oid, "", &rev->diffopt);
}
else
- diff_root_tree_sha1(commit->tree->object.oid.hash,
- "", &rev->diffopt);
+ diff_root_tree_oid(&commit->tree->object.oid,
+ "", &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->oid.hash);
+ export_blob(&diff_queued_diff.queue[i]->two->oid);
refname = commit->util;
if (anonymize) {
if (full_tree)
printf("deleteall\n");
log_tree_diff_flush(rev);
+ string_list_clear(paths_of_changed_objects, 0);
rev->diffopt.output_format = saved_output_format;
printf("\n");
return strbuf_detach(&out, len);
}
- static void handle_tail(struct object_array *commits, struct rev_info *revs)
+ static void handle_tail(struct object_array *commits, struct rev_info *revs,
+ struct string_list *paths_of_changed_objects)
{
struct commit *commit;
while (commits->nr) {
commit = (struct commit *)commits->objects[commits->nr - 1].item;
if (has_unshown_parent(commit))
return;
- handle_commit(commit, revs);
+ handle_commit(commit, revs, paths_of_changed_objects);
commits->nr--;
}
}
oid_to_hex(&tag->object.oid));
case DROP:
/* Ignore this tag altogether */
+ free(buf);
return;
case REWRITE:
if (tagged->type != OBJ_COMMIT) {
(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)
/* handle nested tags */
while (tag && tag->object.type == OBJ_TAG) {
- parse_object(tag->object.oid.hash);
+ parse_object(&tag->object.oid);
string_list_append(&extra_refs, full_name)->util = tag;
tag = (struct tag *)tag->tagged;
}
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) {
case OBJ_COMMIT:
break;
case OBJ_BLOB:
- export_blob(commit->object.oid.hash);
+ export_blob(&commit->object.oid);
continue;
default: /* OBJ_TAG (nested tags) is already handled */
warning("Tag points to object of unexpected type %s, skipping.",
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;
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);
char *export_filename = NULL, *import_filename = NULL;
uint32_t lastimportid;
struct string_list refspecs_list = STRING_LIST_INIT_NODUP;
+ struct string_list paths_of_changed_objects = STRING_LIST_INIT_DUP;
struct option options[] = {
OPT_INTEGER(0, "progress", &progress,
N_("show progress after <n> objects")),
if (prepare_revision_walk(&revs))
die("revision walk setup failed");
revs.diffopt.format_callback = show_filemodify;
+ revs.diffopt.format_callback_data = &paths_of_changed_objects;
DIFF_OPT_SET(&revs.diffopt, RECURSIVE);
while ((commit = get_revision(&revs))) {
if (has_unshown_parent(commit)) {
add_object_array(&commit->object, NULL, &commits);
}
else {
- handle_commit(commit, &revs);
- handle_tail(&commits, &revs);
+ handle_commit(commit, &revs, &paths_of_changed_objects);
+ handle_tail(&commits, &revs, &paths_of_changed_objects);
}
}