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-rw-r--r--builtin/fast-export.c77
1 files changed, 47 insertions, 30 deletions
diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index 64617ad8e3..2fb60d6d48 100644
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -5,6 +5,7 @@
*/
#include "builtin.h"
#include "cache.h"
+#include "config.h"
#include "refs.h"
#include "commit.h"
#include "object.h"
@@ -92,8 +93,9 @@ struct anonymized_entry {
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 ||
@@ -112,7 +114,7 @@ static const void *anonymize_mem(struct hashmap *map,
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;
@@ -232,7 +234,7 @@ static void export_blob(const struct object_id *oid)
if (anonymize) {
buf = anonymize_blob(&size);
- object = (struct object *)lookup_blob(oid->hash);
+ object = (struct object *)lookup_blob(oid);
eaten = 0;
} else {
buf = read_sha1_file(oid->hash, &type, &size);
@@ -240,7 +242,7 @@ static void export_blob(const struct object_id *oid)
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->hash, type, size, buf, &eaten);
+ object = parse_object_buffer(oid, type, size, buf, &eaten);
}
if (!object)
@@ -342,6 +344,7 @@ 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
@@ -357,20 +360,31 @@ static void show_filemodify(struct diff_queue_struct *q,
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:
@@ -391,6 +405,7 @@ static void show_filemodify(struct diff_queue_struct *q,
get_object_mark(object));
}
print_path(spec->path);
+ string_list_insert(changed, spec->path);
putchar('\n');
break;
@@ -526,7 +541,8 @@ static void anonymize_ident_line(const char **beg, const char **end)
*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;
@@ -562,12 +578,12 @@ 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.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++)
@@ -613,6 +629,7 @@ static void handle_commit(struct commit *commit, struct rev_info *rev)
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");
@@ -628,15 +645,15 @@ static void *anonymize_tag(const void *old, size_t *len)
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;
+ commit = (struct commit *)object_array_pop(commits);
if (has_unshown_parent(commit))
return;
- handle_commit(commit, revs);
- commits->nr--;
+ handle_commit(commit, revs, paths_of_changed_objects);
}
}
@@ -779,7 +796,7 @@ 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.oid.hash);
+ parse_object(&tag->object.oid);
string_list_append(&extra_refs, full_name)->util = tag;
tag = (struct tag *)tag->tagged;
}
@@ -907,9 +924,7 @@ 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;
@@ -940,7 +955,7 @@ static void import_marks(char *input_file)
/* only commits */
continue;
- commit = lookup_commit(oid.hash);
+ commit = lookup_commit(&oid);
if (!commit)
die("not a commit? can't happen: %s", oid_to_hex(&oid));
@@ -977,6 +992,7 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
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")),
@@ -1049,14 +1065,15 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
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);
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 08:51:09 +0000