diff options
Diffstat (limited to 'builtin/fast-export.c')
-rw-r--r-- | builtin/fast-export.c | 126 |
1 files changed, 79 insertions, 47 deletions
diff --git a/builtin/fast-export.c b/builtin/fast-export.c index 9836e6b7ca..8e19058744 100644 --- a/builtin/fast-export.c +++ b/builtin/fast-export.c @@ -19,13 +19,13 @@ #include "quote.h" static const char *fast_export_usage[] = { - "git fast-export [rev-list-opts]", + N_("git fast-export [rev-list-opts]"), NULL }; static int progress; -static enum { ABORT, VERBATIM, WARN, STRIP } signed_tag_mode = ABORT; -static enum { ERROR, DROP, REWRITE } tag_of_filtered_mode = ABORT; +static enum { ABORT, VERBATIM, WARN, WARN_STRIP, STRIP } signed_tag_mode = ABORT; +static enum { ERROR, DROP, REWRITE } tag_of_filtered_mode = ERROR; static int fake_missing_tagger; static int use_done_feature; static int no_data; @@ -40,10 +40,12 @@ static int parse_opt_signed_tag_mode(const struct option *opt, signed_tag_mode = VERBATIM; else if (!strcmp(arg, "warn")) signed_tag_mode = WARN; + else if (!strcmp(arg, "warn-strip")) + signed_tag_mode = WARN_STRIP; else if (!strcmp(arg, "strip")) signed_tag_mode = STRIP; else - return error("Unknown signed-tag mode: %s", arg); + return error("Unknown signed-tags mode: %s", arg); return 0; } @@ -51,7 +53,7 @@ static int parse_opt_tag_of_filtered_mode(const struct option *opt, const char *arg, int unset) { if (unset || !strcmp(arg, "abort")) - tag_of_filtered_mode = ABORT; + tag_of_filtered_mode = ERROR; else if (!strcmp(arg, "drop")) tag_of_filtered_mode = DROP; else if (!strcmp(arg, "rewrite")) @@ -113,12 +115,13 @@ static void show_progress(void) printf("progress %d objects\n", counter); } -static void handle_object(const unsigned char *sha1) +static void export_blob(const unsigned char *sha1) { unsigned long size; enum object_type type; char *buf; struct object *object; + int eaten; if (no_data) return; @@ -126,16 +129,18 @@ static void handle_object(const unsigned char *sha1) if (is_null_sha1(sha1)) return; - object = parse_object(sha1); - if (!object) - die ("Could not read blob %s", sha1_to_hex(sha1)); - - if (object->flags & SHOWN) + object = lookup_object(sha1); + if (object && object->flags & SHOWN) return; buf = read_sha1_file(sha1, &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); + if (!object) + die("Could not read blob %s", sha1_to_hex(sha1)); mark_next_object(object); @@ -147,7 +152,8 @@ static void handle_object(const unsigned char *sha1) show_progress(); object->flags |= SHOWN; - free(buf); + if (!eaten) + free(buf); } static int depth_first(const void *a_, const void *b_) @@ -185,6 +191,8 @@ 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 if (strchr(path, ' ')) + printf("\"%s\"", path); else printf("%s", path); } @@ -310,7 +318,7 @@ static void handle_commit(struct commit *commit, struct rev_info *rev) /* 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)) - handle_object(diff_queued_diff.queue[i]->two->sha1); + export_blob(diff_queued_diff.queue[i]->two->sha1); mark_next_object(&commit->object); if (!is_encoding_utf8(encoding)) @@ -371,7 +379,7 @@ static void handle_tag(const char *name, struct tag *tag) int tagged_mark; struct commit *p; - /* Trees have no identifer in fast-export output, thus we have no way + /* Trees have no identifier in fast-export output, thus we have no way * to output tags of trees, tags of tags of trees, etc. Simply omit * such tags. */ @@ -414,7 +422,7 @@ static void handle_tag(const char *name, struct tag *tag) switch(signed_tag_mode) { case ABORT: die ("Encountered signed tag %s; use " - "--signed-tag=<mode> to handle it.", + "--signed-tags=<mode> to handle it.", sha1_to_hex(tag->object.sha1)); case WARN: warning ("Exporting signed tag %s", @@ -422,6 +430,10 @@ static void handle_tag(const char *name, struct tag *tag) /* fallthru */ case VERBATIM: break; + case WARN_STRIP: + warning ("Stripping signature from tag %s", + sha1_to_hex(tag->object.sha1)); + /* fallthru */ case STRIP: message_size = signature + 1 - message; break; @@ -472,18 +484,21 @@ static void handle_tag(const char *name, struct tag *tag) (int)message_size, (int)message_size, message ? message : ""); } -static void get_tags_and_duplicates(struct object_array *pending, +static void get_tags_and_duplicates(struct rev_cmdline_info *info, struct string_list *extra_refs) { struct tag *tag; int i; - for (i = 0; i < pending->nr; i++) { - struct object_array_entry *e = pending->objects + i; + for (i = 0; i < info->nr; i++) { + struct rev_cmdline_entry *e = info->rev + i; unsigned char sha1[20]; - struct commit *commit = commit; + struct commit *commit; char *full_name; + if (e->flags & UNINTERESTING) + continue; + if (dwim_ref(e->name, strlen(e->name), sha1, &full_name) != 1) continue; @@ -507,7 +522,7 @@ static void get_tags_and_duplicates(struct object_array *pending, commit = (struct commit *)tag; break; case OBJ_BLOB: - handle_object(tag->object.sha1); + export_blob(tag->object.sha1); continue; default: /* OBJ_TAG (nested tags) is already handled */ warning("Tag points to object of unexpected type %s, skipping.", @@ -521,10 +536,14 @@ static void get_tags_and_duplicates(struct object_array *pending, typename(e->item->type)); continue; } - if (commit->util) - /* more than one name for the same object */ + + /* + * This ref will not be updated through a commit, lets make + * sure it gets properly updated eventually. + */ + if (commit->util || commit->object.flags & SHOWN) string_list_append(extra_refs, full_name)->util = commit; - else + if (!commit->util) commit->util = full_name; } } @@ -594,6 +613,8 @@ static void import_marks(char *input_file) char *line_end, *mark_end; unsigned char sha1[20]; struct object *object; + struct commit *commit; + enum object_type type; line_end = strchr(line, '\n'); if (line[0] != ':' || !line_end) @@ -602,19 +623,30 @@ static void import_marks(char *input_file) mark = strtoumax(line + 1, &mark_end, 10); if (!mark || mark_end == line + 1 - || *mark_end != ' ' || get_sha1(mark_end + 1, sha1)) + || *mark_end != ' ' || get_sha1_hex(mark_end + 1, sha1)) die("corrupt mark line: %s", line); - object = parse_object(sha1); - if (!object) - die ("Could not read blob %s", sha1_to_hex(sha1)); + if (last_idnum < mark) + last_idnum = mark; + + type = sha1_object_info(sha1, NULL); + if (type < 0) + die("object not found: %s", sha1_to_hex(sha1)); + + if (type != OBJ_COMMIT) + /* only commits */ + continue; + + commit = lookup_commit(sha1); + if (!commit) + die("not a commit? can't happen: %s", sha1_to_hex(sha1)); + + object = &commit->object; if (object->flags & SHOWN) - error("Object %s already has a mark", sha1); + error("Object %s already has a mark", sha1_to_hex(sha1)); mark_object(object, mark); - if (last_idnum < mark) - last_idnum = mark; object->flags |= SHOWN; } @@ -628,28 +660,27 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix) struct string_list extra_refs = STRING_LIST_INIT_NODUP; struct commit *commit; char *export_filename = NULL, *import_filename = NULL; + uint32_t lastimportid; struct option options[] = { OPT_INTEGER(0, "progress", &progress, - "show progress after <n> objects"), - OPT_CALLBACK(0, "signed-tags", &signed_tag_mode, "mode", - "select handling of signed tags", + N_("show progress after <n> objects")), + OPT_CALLBACK(0, "signed-tags", &signed_tag_mode, N_("mode"), + N_("select handling of signed tags"), parse_opt_signed_tag_mode), - OPT_CALLBACK(0, "tag-of-filtered-object", &tag_of_filtered_mode, "mode", - "select handling of tags that tag filtered objects", + OPT_CALLBACK(0, "tag-of-filtered-object", &tag_of_filtered_mode, N_("mode"), + N_("select handling of tags that tag filtered objects"), parse_opt_tag_of_filtered_mode), - OPT_STRING(0, "export-marks", &export_filename, "file", - "Dump marks to this file"), - OPT_STRING(0, "import-marks", &import_filename, "file", - "Import marks from this file"), + OPT_STRING(0, "export-marks", &export_filename, N_("file"), + N_("Dump marks to this file")), + OPT_STRING(0, "import-marks", &import_filename, N_("file"), + N_("Import marks from this file")), OPT_BOOLEAN(0, "fake-missing-tagger", &fake_missing_tagger, - "Fake a tagger when tags lack one"), + N_("Fake a tagger when tags lack one")), OPT_BOOLEAN(0, "full-tree", &full_tree, - "Output full tree for each commit"), + N_("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 }, + N_("Use the done feature to terminate the stream")), + OPT_BOOL(0, "no-data", &no_data, N_("Skip output of blob data")), OPT_END() }; @@ -673,11 +704,12 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix) if (import_filename) import_marks(import_filename); + lastimportid = last_idnum; if (import_filename && revs.prune_data.nr) full_tree = 1; - get_tags_and_duplicates(&revs.pending, &extra_refs); + get_tags_and_duplicates(&revs.cmdline, &extra_refs); if (prepare_revision_walk(&revs)) die("revision walk setup failed"); @@ -695,7 +727,7 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix) handle_tags_and_duplicates(&extra_refs); - if (export_filename) + if (export_filename && lastimportid != last_idnum) export_marks(export_filename); if (use_done_feature) |