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.c102
1 files changed, 87 insertions, 15 deletions
diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index b0a4029c94..9836e6b7ca 100644
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -16,6 +16,7 @@
#include "string-list.h"
#include "utf8.h"
#include "parse-options.h"
+#include "quote.h"
static const char *fast_export_usage[] = {
"git fast-export [rev-list-opts]",
@@ -26,7 +27,9 @@ static int progress;
static enum { ABORT, VERBATIM, WARN, STRIP } signed_tag_mode = ABORT;
static enum { ERROR, DROP, REWRITE } tag_of_filtered_mode = ABORT;
static int fake_missing_tagger;
+static int use_done_feature;
static int no_data;
+static int full_tree;
static int parse_opt_signed_tag_mode(const struct option *opt,
const char *arg, int unset)
@@ -147,23 +150,74 @@ static void handle_object(const unsigned char *sha1)
free(buf);
}
+static int depth_first(const void *a_, const void *b_)
+{
+ const struct diff_filepair *a = *((const struct diff_filepair **)a_);
+ const struct diff_filepair *b = *((const struct diff_filepair **)b_);
+ const char *name_a, *name_b;
+ int len_a, len_b, len;
+ int cmp;
+
+ name_a = a->one ? a->one->path : a->two->path;
+ name_b = b->one ? b->one->path : b->two->path;
+
+ len_a = strlen(name_a);
+ len_b = strlen(name_b);
+ len = (len_a < len_b) ? len_a : len_b;
+
+ /* strcmp will sort 'd' before 'd/e', we want 'd/e' before 'd' */
+ cmp = memcmp(name_a, name_b, len);
+ if (cmp)
+ return cmp;
+ cmp = len_b - len_a;
+ if (cmp)
+ return cmp;
+ /*
+ * Move 'R'ename entries last so that all references of the file
+ * appear in the output before it is renamed (e.g., when a file
+ * was copied and renamed in the same commit).
+ */
+ return (a->status == 'R') - (b->status == 'R');
+}
+
+static void print_path(const char *path)
+{
+ int need_quote = quote_c_style(path, NULL, NULL, 0);
+ if (need_quote)
+ quote_c_style(path, NULL, stdout, 0);
+ else
+ printf("%s", path);
+}
+
static void show_filemodify(struct diff_queue_struct *q,
struct diff_options *options, void *data)
{
int i;
+
+ /*
+ * 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);
+
for (i = 0; i < q->nr; i++) {
struct diff_filespec *ospec = q->queue[i]->one;
struct diff_filespec *spec = q->queue[i]->two;
switch (q->queue[i]->status) {
case DIFF_STATUS_DELETED:
- printf("D %s\n", spec->path);
+ printf("D ");
+ print_path(spec->path);
+ putchar('\n');
break;
case DIFF_STATUS_COPIED:
case DIFF_STATUS_RENAMED:
- printf("%c \"%s\" \"%s\"\n", q->queue[i]->status,
- ospec->path, spec->path);
+ printf("%c ", q->queue[i]->status);
+ print_path(ospec->path);
+ putchar(' ');
+ print_path(spec->path);
+ putchar('\n');
if (!hashcmp(ospec->sha1, spec->sha1) &&
ospec->mode == spec->mode)
@@ -178,13 +232,15 @@ static void show_filemodify(struct diff_queue_struct *q,
* output the SHA-1 verbatim.
*/
if (no_data || S_ISGITLINK(spec->mode))
- printf("M %06o %s %s\n", spec->mode,
- sha1_to_hex(spec->sha1), spec->path);
+ printf("M %06o %s ", spec->mode,
+ sha1_to_hex(spec->sha1));
else {
struct object *object = lookup_object(spec->sha1);
- printf("M %06o :%d %s\n", spec->mode,
- get_object_mark(object), spec->path);
+ printf("M %06o :%d ", spec->mode,
+ get_object_mark(object));
}
+ print_path(spec->path);
+ putchar('\n');
break;
default:
@@ -241,7 +297,8 @@ static void handle_commit(struct commit *commit, struct rev_info *rev)
message += 2;
if (commit->parents &&
- get_object_mark(&commit->parents->item->object) != 0) {
+ get_object_mark(&commit->parents->item->object) != 0 &&
+ !full_tree) {
parse_commit(commit->parents->item);
diff_tree_sha1(commit->parents->item->tree->object.sha1,
commit->tree->object.sha1, "", &rev->diffopt);
@@ -281,6 +338,8 @@ static void handle_commit(struct commit *commit, struct rev_info *rev)
i++;
}
+ if (full_tree)
+ printf("deleteall\n");
log_tree_diff_flush(rev);
rev->diffopt.output_format = saved_output_format;
@@ -438,7 +497,7 @@ static void get_tags_and_duplicates(struct object_array *pending,
/* handle nested tags */
while (tag && tag->object.type == OBJ_TAG) {
parse_object(tag->object.sha1);
- string_list_append(full_name, extra_refs)->util = tag;
+ string_list_append(extra_refs, full_name)->util = tag;
tag = (struct tag *)tag->tagged;
}
if (!tag)
@@ -464,7 +523,7 @@ static void get_tags_and_duplicates(struct object_array *pending,
}
if (commit->util)
/* more than one name for the same object */
- string_list_append(full_name, extra_refs)->util = commit;
+ string_list_append(extra_refs, full_name)->util = commit;
else
commit->util = full_name;
}
@@ -503,7 +562,7 @@ static void export_marks(char *file)
f = fopen(file, "w");
if (!f)
- error("Unable to open marks file %s for writing.", file);
+ die_errno("Unable to open marks file %s for writing.", file);
for (i = 0; i < idnums.size; i++) {
if (deco->base && deco->base->type == 1) {
@@ -565,8 +624,8 @@ static void import_marks(char *input_file)
int cmd_fast_export(int argc, const char **argv, const char *prefix)
{
struct rev_info revs;
- struct object_array commits = { 0, 0, NULL };
- struct string_list extra_refs = { NULL, 0, 0, 0 };
+ struct object_array commits = OBJECT_ARRAY_INIT;
+ struct string_list extra_refs = STRING_LIST_INIT_NODUP;
struct commit *commit;
char *export_filename = NULL, *import_filename = NULL;
struct option options[] = {
@@ -578,12 +637,16 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
OPT_CALLBACK(0, "tag-of-filtered-object", &tag_of_filtered_mode, "mode",
"select handling of tags that tag filtered objects",
parse_opt_tag_of_filtered_mode),
- OPT_STRING(0, "export-marks", &export_filename, "FILE",
+ OPT_STRING(0, "export-marks", &export_filename, "file",
"Dump marks to this file"),
- OPT_STRING(0, "import-marks", &import_filename, "FILE",
+ OPT_STRING(0, "import-marks", &import_filename, "file",
"Import marks from this file"),
OPT_BOOLEAN(0, "fake-missing-tagger", &fake_missing_tagger,
"Fake a tagger when tags lack one"),
+ OPT_BOOLEAN(0, "full-tree", &full_tree,
+ "Output full tree for each commit"),
+ OPT_BOOLEAN(0, "use-done-feature", &use_done_feature,
+ "Use the done feature to terminate the stream"),
{ OPTION_NEGBIT, 0, "data", &no_data, NULL,
"Skip output of blob data",
PARSE_OPT_NOARG | PARSE_OPT_NEGHELP, NULL, 1 },
@@ -605,9 +668,15 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
if (argc > 1)
usage_with_options (fast_export_usage, options);
+ if (use_done_feature)
+ printf("feature done\n");
+
if (import_filename)
import_marks(import_filename);
+ if (import_filename && revs.prune_data.nr)
+ full_tree = 1;
+
get_tags_and_duplicates(&revs.pending, &extra_refs);
if (prepare_revision_walk(&revs))
@@ -629,5 +698,8 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
if (export_filename)
export_marks(export_filename);
+ if (use_done_feature)
+ printf("done\n");
+
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 18:54:08 +0000