diff options
Diffstat (limited to 'fast-import.c')
-rw-r--r-- | fast-import.c | 68 |
1 files changed, 49 insertions, 19 deletions
diff --git a/fast-import.c b/fast-import.c index ece0096623..3c65edb5c4 100644 --- a/fast-import.c +++ b/fast-import.c @@ -134,16 +134,17 @@ Format of STDIN stream: ts ::= # time since the epoch in seconds, ascii base10 notation; tz ::= # GIT style timezone; - # note: comments, ls and cat requests may appear anywhere - # in the input, except within a data command. Any form - # of the data command always escapes the related input - # from comment processing. + # note: comments, get-mark, ls-tree, and cat-blob requests may + # appear anywhere in the input, except within a data command. Any + # form of the data command always escapes the related input from + # comment processing. # # In case it is not clear, the '#' that starts the comment # must be the first character on that line (an lf # preceded it). # + get_mark ::= 'get-mark' sp idnum lf; cat_blob ::= 'cat-blob' sp (hexsha1 | idnum) lf; ls_tree ::= 'ls' sp (hexsha1 | idnum) sp path_str lf; @@ -372,6 +373,7 @@ static volatile sig_atomic_t checkpoint_requested; static int cat_blob_fd = STDOUT_FILENO; static void parse_argv(void); +static void parse_get_mark(const char *p); static void parse_cat_blob(const char *p); static void parse_ls(const char *p, struct branch *b); @@ -405,7 +407,7 @@ static void dump_marks_helper(FILE *, uintmax_t, struct mark_set *); static void write_crash_report(const char *err) { - const char *loc = git_path("fast_import_crash_%"PRIuMAX, (uintmax_t) getpid()); + char *loc = git_pathdup("fast_import_crash_%"PRIuMAX, (uintmax_t) getpid()); FILE *rpt = fopen(loc, "w"); struct branch *b; unsigned long lu; @@ -413,6 +415,7 @@ static void write_crash_report(const char *err) if (!rpt) { error("can't write crash report %s: %s", loc, strerror(errno)); + free(loc); return; } @@ -421,7 +424,7 @@ static void write_crash_report(const char *err) fprintf(rpt, "fast-import crash report:\n"); fprintf(rpt, " fast-import process: %"PRIuMAX"\n", (uintmax_t) getpid()); fprintf(rpt, " parent process : %"PRIuMAX"\n", (uintmax_t) getppid()); - fprintf(rpt, " at %s\n", show_date(time(NULL), 0, DATE_LOCAL)); + fprintf(rpt, " at %s\n", show_date(time(NULL), 0, DATE_MODE(ISO8601))); fputc('\n', rpt); fputs("fatal: ", rpt); @@ -486,6 +489,7 @@ static void write_crash_report(const char *err) fputs("-------------------\n", rpt); fputs("END OF CRASH REPORT\n", rpt); fclose(rpt); + free(loc); } static void end_packfile(void); @@ -640,8 +644,9 @@ static void *pool_calloc(size_t count, size_t size) static char *pool_strdup(const char *s) { - char *r = pool_alloc(strlen(s) + 1); - strcpy(r, s); + size_t len = strlen(s) + 1; + char *r = pool_alloc(len); + memcpy(r, s, len); return r; } @@ -698,7 +703,7 @@ static struct atom_str *to_atom(const char *s, unsigned short len) c = pool_alloc(sizeof(struct atom_str) + len + 1); c->str_len = len; - strncpy(c->str_dat, s, len); + memcpy(c->str_dat, s, len); c->str_dat[len] = 0; c->next_atom = atom_table[hc]; atom_table[hc] = c; @@ -859,13 +864,15 @@ static void start_packfile(void) { static char tmp_file[PATH_MAX]; struct packed_git *p; + int namelen; struct pack_header hdr; int pack_fd; pack_fd = odb_mkstemp(tmp_file, sizeof(tmp_file), "pack/tmp_pack_XXXXXX"); - p = xcalloc(1, sizeof(*p) + strlen(tmp_file) + 2); - strcpy(p->pack_name, tmp_file); + namelen = strlen(tmp_file) + 2; + p = xcalloc(1, sizeof(*p) + namelen); + xsnprintf(p->pack_name, namelen, "%s", tmp_file); p->pack_fd = pack_fd; p->do_not_close = 1; pack_file = sha1fd(pack_fd, p->pack_name); @@ -921,12 +928,12 @@ static char *keep_pack(const char *curr_index_name) snprintf(name, sizeof(name), "%s/pack/pack-%s.pack", get_object_directory(), sha1_to_hex(pack_data->sha1)); - if (move_temp_to_file(pack_data->pack_name, name)) + if (finalize_object_file(pack_data->pack_name, name)) die("cannot store pack file"); snprintf(name, sizeof(name), "%s/pack/pack-%s.idx", get_object_directory(), sha1_to_hex(pack_data->sha1)); - if (move_temp_to_file(curr_index_name, name)) + if (finalize_object_file(curr_index_name, name)) die("cannot store index file"); free((void *)curr_index_name); return name; @@ -1031,8 +1038,8 @@ static int store_object( git_SHA_CTX c; git_zstream s; - hdrlen = sprintf((char *)hdr,"%s %lu", typename(type), - (unsigned long)dat->len) + 1; + hdrlen = xsnprintf((char *)hdr, sizeof(hdr), "%s %lu", + typename(type), (unsigned long)dat->len) + 1; git_SHA1_Init(&c); git_SHA1_Update(&c, hdr, hdrlen); git_SHA1_Update(&c, dat->buf, dat->len); @@ -1692,13 +1699,13 @@ static int update_branch(struct branch *b) unsigned char old_sha1[20]; struct strbuf err = STRBUF_INIT; - if (read_ref(b->name, old_sha1)) - hashclr(old_sha1); if (is_null_sha1(b->sha1)) { if (b->delete) - delete_ref(b->name, old_sha1, 0); + delete_ref(b->name, NULL, 0); return 0; } + if (read_ref(b->name, old_sha1)) + hashclr(old_sha1); if (!force_update && !is_null_sha1(old_sha1)) { struct commit *old_cmit, *new_cmit; @@ -1817,7 +1824,7 @@ static void dump_marks(void) dump_marks_helper(f, 0, marks); if (commit_lock_file(&mark_lock)) { - failure |= error("Unable to commit marks file %s: %s", + failure |= error("Unable to write file %s: %s", export_marks_file, strerror(errno)); return; } @@ -1907,6 +1914,10 @@ static int read_next_command(void) rc->prev->next = rc; cmd_tail = rc; } + if (skip_prefix(command_buf.buf, "get-mark ", &p)) { + parse_get_mark(p); + continue; + } if (skip_prefix(command_buf.buf, "cat-blob ", &p)) { parse_cat_blob(p); continue; @@ -2924,6 +2935,23 @@ static void cat_blob(struct object_entry *oe, unsigned char sha1[20]) free(buf); } +static void parse_get_mark(const char *p) +{ + struct object_entry *oe = oe; + char output[42]; + + /* get-mark SP <object> LF */ + if (*p != ':') + die("Not a mark: %s", p); + + oe = find_mark(parse_mark_ref_eol(p)); + if (!oe) + die("Unknown mark: %s", command_buf.buf); + + snprintf(output, sizeof(output), "%s\n", sha1_to_hex(oe->idx.sha1)); + cat_blob_write(output, 41); +} + static void parse_cat_blob(const char *p) { struct object_entry *oe = oe; @@ -3245,6 +3273,8 @@ static int parse_one_feature(const char *feature, int from_stream) option_import_marks(arg, from_stream, 1); } else if (skip_prefix(feature, "export-marks=", &arg)) { option_export_marks(arg); + } else if (!strcmp(feature, "get-mark")) { + ; /* Don't die - this feature is supported */ } else if (!strcmp(feature, "cat-blob")) { ; /* Don't die - this feature is supported */ } else if (!strcmp(feature, "relative-marks")) { |