summaryrefslogtreecommitdiff
path: root/remote-testsvn.c
diff options
context:
space:
mode:
Diffstat (limited to 'remote-testsvn.c')
-rw-r--r--remote-testsvn.c337
1 files changed, 0 insertions, 337 deletions
diff --git a/remote-testsvn.c b/remote-testsvn.c
deleted file mode 100644
index 3af708c5b6..0000000000
--- a/remote-testsvn.c
+++ /dev/null
@@ -1,337 +0,0 @@
-#include "cache.h"
-#include "refs.h"
-#include "remote.h"
-#include "object-store.h"
-#include "strbuf.h"
-#include "url.h"
-#include "exec-cmd.h"
-#include "run-command.h"
-#include "vcs-svn/svndump.h"
-#include "notes.h"
-#include "argv-array.h"
-
-static const char *url;
-static int dump_from_file;
-static const char *private_ref;
-static const char *remote_ref = "refs/heads/master";
-static const char *marksfilename, *notes_ref;
-struct rev_note { unsigned int rev_nr; };
-
-static int cmd_capabilities(const char *line);
-static int cmd_import(const char *line);
-static int cmd_list(const char *line);
-
-typedef int (*input_command_handler)(const char *);
-struct input_command_entry {
- const char *name;
- input_command_handler fn;
- unsigned char batchable; /* whether the command starts or is part of a batch */
-};
-
-static const struct input_command_entry input_command_list[] = {
- { "capabilities", cmd_capabilities, 0 },
- { "import", cmd_import, 1 },
- { "list", cmd_list, 0 },
- { NULL, NULL }
-};
-
-static int cmd_capabilities(const char *line)
-{
- printf("import\n");
- printf("bidi-import\n");
- printf("refspec %s:%s\n\n", remote_ref, private_ref);
- fflush(stdout);
- return 0;
-}
-
-static void terminate_batch(void)
-{
- /* terminate a current batch's fast-import stream */
- printf("done\n");
- fflush(stdout);
-}
-
-/* NOTE: 'ref' refers to a git reference, while 'rev' refers to a svn revision. */
-static char *read_ref_note(const struct object_id *oid)
-{
- const struct object_id *note_oid;
- char *msg = NULL;
- unsigned long msglen;
- enum object_type type;
-
- init_notes(NULL, notes_ref, NULL, 0);
- if (!(note_oid = get_note(NULL, oid)))
- return NULL; /* note tree not found */
- if (!(msg = read_object_file(note_oid, &type, &msglen)))
- error("Empty notes tree. %s", notes_ref);
- else if (!msglen || type != OBJ_BLOB) {
- error("Note contains unusable content. "
- "Is something else using this notes tree? %s", notes_ref);
- FREE_AND_NULL(msg);
- }
- free_notes(NULL);
- return msg;
-}
-
-static int parse_rev_note(const char *msg, struct rev_note *res)
-{
- const char *key, *value, *end;
- size_t len;
-
- while (*msg) {
- end = strchrnul(msg, '\n');
- len = end - msg;
-
- key = "Revision-number: ";
- if (starts_with(msg, key)) {
- long i;
- char *end;
- value = msg + strlen(key);
- i = strtol(value, &end, 0);
- if (end == value || i < 0 || i > UINT32_MAX)
- return -1;
- res->rev_nr = i;
- return 0;
- }
- msg += len + 1;
- }
- /* didn't find it */
- return -1;
-}
-
-static int note2mark_cb(const struct object_id *object_oid,
- const struct object_id *note_oid, char *note_path,
- void *cb_data)
-{
- FILE *file = (FILE *)cb_data;
- char *msg;
- unsigned long msglen;
- enum object_type type;
- struct rev_note note;
-
- if (!(msg = read_object_file(note_oid, &type, &msglen)) ||
- !msglen || type != OBJ_BLOB) {
- free(msg);
- return 1;
- }
- if (parse_rev_note(msg, &note))
- return 2;
- if (fprintf(file, ":%d %s\n", note.rev_nr, oid_to_hex(object_oid)) < 1)
- return 3;
- return 0;
-}
-
-static void regenerate_marks(void)
-{
- int ret;
- FILE *marksfile = xfopen(marksfilename, "w+");
-
- ret = for_each_note(NULL, 0, note2mark_cb, marksfile);
- if (ret)
- die("Regeneration of marks failed, returned %d.", ret);
- fclose(marksfile);
-}
-
-static void check_or_regenerate_marks(int latestrev)
-{
- FILE *marksfile;
- struct strbuf sb = STRBUF_INIT;
- struct strbuf line = STRBUF_INIT;
- int found = 0;
-
- if (latestrev < 1)
- return;
-
- init_notes(NULL, notes_ref, NULL, 0);
- marksfile = fopen(marksfilename, "r");
- if (!marksfile) {
- regenerate_marks();
- marksfile = xfopen(marksfilename, "r");
- fclose(marksfile);
- } else {
- strbuf_addf(&sb, ":%d ", latestrev);
- while (strbuf_getline_lf(&line, marksfile) != EOF) {
- if (starts_with(line.buf, sb.buf)) {
- found++;
- break;
- }
- }
- fclose(marksfile);
- if (!found)
- regenerate_marks();
- }
- free_notes(NULL);
- strbuf_release(&sb);
- strbuf_release(&line);
-}
-
-static int cmd_import(const char *line)
-{
- int code;
- int dumpin_fd;
- char *note_msg;
- struct object_id head_oid;
- unsigned int startrev;
- struct child_process svndump_proc = CHILD_PROCESS_INIT;
- const char *command = "svnrdump";
-
- if (read_ref(private_ref, &head_oid))
- startrev = 0;
- else {
- note_msg = read_ref_note(&head_oid);
- if(note_msg == NULL) {
- warning("No note found for %s.", private_ref);
- startrev = 0;
- } else {
- struct rev_note note = { 0 };
- if (parse_rev_note(note_msg, &note))
- die("Revision number couldn't be parsed from note.");
- startrev = note.rev_nr + 1;
- free(note_msg);
- }
- }
- check_or_regenerate_marks(startrev - 1);
-
- if (dump_from_file) {
- dumpin_fd = open(url, O_RDONLY);
- if(dumpin_fd < 0)
- die_errno("Couldn't open svn dump file %s.", url);
- } else {
- svndump_proc.out = -1;
- argv_array_push(&svndump_proc.args, command);
- argv_array_push(&svndump_proc.args, "dump");
- argv_array_push(&svndump_proc.args, url);
- argv_array_pushf(&svndump_proc.args, "-r%u:HEAD", startrev);
-
- code = start_command(&svndump_proc);
- if (code)
- die("Unable to start %s, code %d", command, code);
- dumpin_fd = svndump_proc.out;
- }
- /* setup marks file import/export */
- printf("feature import-marks-if-exists=%s\n"
- "feature export-marks=%s\n", marksfilename, marksfilename);
-
- svndump_init_fd(dumpin_fd, STDIN_FILENO);
- svndump_read(url, private_ref, notes_ref);
- svndump_deinit();
- svndump_reset();
-
- close(dumpin_fd);
- if (!dump_from_file) {
- code = finish_command(&svndump_proc);
- if (code)
- warning("%s, returned %d", command, code);
- }
-
- return 0;
-}
-
-static int cmd_list(const char *line)
-{
- printf("? %s\n\n", remote_ref);
- fflush(stdout);
- return 0;
-}
-
-static int do_command(struct strbuf *line)
-{
- const struct input_command_entry *p = input_command_list;
- static struct string_list batchlines = STRING_LIST_INIT_DUP;
- static const struct input_command_entry *batch_cmd;
- /*
- * commands can be grouped together in a batch.
- * Batches are ended by \n. If no batch is active the program ends.
- * During a batch all lines are buffered and passed to the handler function
- * when the batch is terminated.
- */
- if (line->len == 0) {
- if (batch_cmd) {
- struct string_list_item *item;
- for_each_string_list_item(item, &batchlines)
- batch_cmd->fn(item->string);
- terminate_batch();
- batch_cmd = NULL;
- string_list_clear(&batchlines, 0);
- return 0; /* end of the batch, continue reading other commands. */
- }
- return 1; /* end of command stream, quit */
- }
- if (batch_cmd) {
- if (!starts_with(batch_cmd->name, line->buf))
- die("Active %s batch interrupted by %s", batch_cmd->name, line->buf);
- /* buffer batch lines */
- string_list_append(&batchlines, line->buf);
- return 0;
- }
-
- for (p = input_command_list; p->name; p++) {
- if (starts_with(line->buf, p->name) && (strlen(p->name) == line->len ||
- line->buf[strlen(p->name)] == ' ')) {
- if (p->batchable) {
- batch_cmd = p;
- string_list_append(&batchlines, line->buf);
- return 0;
- }
- return p->fn(line->buf);
- }
- }
- die("Unknown command '%s'\n", line->buf);
- return 0;
-}
-
-int cmd_main(int argc, const char **argv)
-{
- struct strbuf buf = STRBUF_INIT, url_sb = STRBUF_INIT,
- private_ref_sb = STRBUF_INIT, marksfilename_sb = STRBUF_INIT,
- notes_ref_sb = STRBUF_INIT;
- static struct remote *remote;
- const char *url_in;
-
- setup_git_directory();
- if (argc < 2 || argc > 3) {
- usage("git-remote-svn <remote-name> [<url>]");
- return 1;
- }
-
- remote = remote_get(argv[1]);
- url_in = (argc == 3) ? argv[2] : remote->url[0];
-
- if (starts_with(url_in, "file://")) {
- dump_from_file = 1;
- url = url_decode(url_in + sizeof("file://")-1);
- } else {
- dump_from_file = 0;
- end_url_with_slash(&url_sb, url_in);
- url = url_sb.buf;
- }
-
- strbuf_addf(&private_ref_sb, "refs/svn/%s/master", remote->name);
- private_ref = private_ref_sb.buf;
-
- strbuf_addf(&notes_ref_sb, "refs/notes/%s/revs", remote->name);
- notes_ref = notes_ref_sb.buf;
-
- strbuf_addf(&marksfilename_sb, "%s/info/fast-import/remote-svn/%s.marks",
- get_git_dir(), remote->name);
- marksfilename = marksfilename_sb.buf;
-
- while (1) {
- if (strbuf_getline_lf(&buf, stdin) == EOF) {
- if (ferror(stdin))
- die("Error reading command stream");
- else
- die("Unexpected end of command stream");
- }
- if (do_command(&buf))
- break;
- strbuf_reset(&buf);
- }
-
- strbuf_release(&buf);
- strbuf_release(&url_sb);
- strbuf_release(&private_ref_sb);
- strbuf_release(&notes_ref_sb);
- strbuf_release(&marksfilename_sb);
- return 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 02:45:19 +0000