git-remote-testpy: hash bytes explicitly
[gitweb.git] / builtin / fast-export.c
index b0a4029c94d1bdb1c673fe604cdbfec93df875aa..77dffd1ce3a5f809a81793f67b9297a555bab1fa 100644 (file)
 #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]",
+       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 { ERROR, DROP, REWRITE } tag_of_filtered_mode = ERROR;
 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)
@@ -48,7 +51,7 @@ 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"))
@@ -147,23 +150,76 @@ 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 if (strchr(path, ' '))
+               printf("\"%s\"", path);
+       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 +234,15 @@ 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 +299,8 @@ 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 +340,8 @@ 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;
 
@@ -413,18 +474,21 @@ 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;
 
@@ -438,7 +502,7 @@ 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)
@@ -462,10 +526,14 @@ 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 */
-                       string_list_append(full_name, extra_refs)->util = commit;
-               else
+
+               /*
+                * 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;
+               if (!commit->util)
                        commit->util = full_name;
        }
 }
@@ -503,7 +571,7 @@ 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) {
@@ -551,7 +619,11 @@ static void import_marks(char *input_file)
                        die ("Could not read blob %s", sha1_to_hex(sha1));
 
                if (object->flags & SHOWN)
-                       error("Object %s already has a mark", sha1);
+                       error("Object %s already has a mark", sha1_to_hex(sha1));
+
+               if (object->type != OBJ_COMMIT)
+                       /* only commits */
+                       continue;
 
                mark_object(object, mark);
                if (last_idnum < mark)
@@ -565,28 +637,30 @@ 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[] = {
                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"),
-               { OPTION_NEGBIT, 0, "data", &no_data, NULL,
-                       "Skip output of blob data",
-                       PARSE_OPT_NOARG | PARSE_OPT_NEGHELP, NULL, 1 },
+                            N_("Fake a tagger when tags lack one")),
+               OPT_BOOLEAN(0, "full-tree", &full_tree,
+                            N_("Output full tree for each commit")),
+               OPT_BOOLEAN(0, "use-done-feature", &use_done_feature,
+                            N_("Use the done feature to terminate the stream")),
+               OPT_BOOL(0, "no-data", &no_data, N_("Skip output of blob data")),
                OPT_END()
        };
 
@@ -605,10 +679,16 @@ 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);
 
-       get_tags_and_duplicates(&revs.pending, &extra_refs);
+       if (import_filename && revs.prune_data.nr)
+               full_tree = 1;
+
+       get_tags_and_duplicates(&revs.cmdline, &extra_refs);
 
        if (prepare_revision_walk(&revs))
                die("revision walk setup failed");
@@ -629,5 +709,8 @@ 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;
 }