diff options
Diffstat (limited to 'fast-import.c')
| -rw-r--r-- | fast-import.c | 991 |
1 files changed, 746 insertions, 245 deletions
diff --git a/fast-import.c b/fast-import.c index 7089e6f9e6..74f08bd554 100644 --- a/fast-import.c +++ b/fast-import.c @@ -1,4 +1,5 @@ /* +(See Documentation/git-fast-import.txt for maintained documentation.) Format of STDIN stream: stream ::= cmd*; @@ -18,11 +19,11 @@ Format of STDIN stream: new_commit ::= 'commit' sp ref_str lf mark? - ('author' sp name '<' email '>' when lf)? - 'committer' sp name '<' email '>' when lf + ('author' (sp name)? sp '<' email '>' sp when lf)? + 'committer' (sp name)? sp '<' email '>' sp when lf commit_msg - ('from' sp (ref_str | hexsha1 | sha1exp_str | idnum) lf)? - ('merge' sp (ref_str | hexsha1 | sha1exp_str | idnum) lf)* + ('from' sp committish lf)? + ('merge' sp committish lf)* file_change* lf?; commit_msg ::= data; @@ -40,15 +41,18 @@ Format of STDIN stream: file_obm ::= 'M' sp mode sp (hexsha1 | idnum) sp path_str lf; file_inm ::= 'M' sp mode sp 'inline' sp path_str lf data; + note_obm ::= 'N' sp (hexsha1 | idnum) sp committish lf; + note_inm ::= 'N' sp 'inline' sp committish lf + data; new_tag ::= 'tag' sp tag_str lf - 'from' sp (ref_str | hexsha1 | sha1exp_str | idnum) lf - 'tagger' sp name '<' email '>' when lf + 'from' sp committish lf + ('tagger' (sp name)? sp '<' email '>' sp when lf)? tag_msg; tag_msg ::= data; reset_branch ::= 'reset' sp ref_str lf - ('from' sp (ref_str | hexsha1 | sha1exp_str | idnum) lf)? + ('from' sp committish lf)? lf?; checkpoint ::= 'checkpoint' lf @@ -75,7 +79,7 @@ Format of STDIN stream: delim lf; # note: declen indicates the length of binary_data in bytes. - # declen does not include the lf preceeding the binary data. + # declen does not include the lf preceding the binary data. # exact_data ::= 'data' sp declen lf binary_data; @@ -87,6 +91,7 @@ Format of STDIN stream: # stream formatting is: \, " and LF. Otherwise these values # are UTF8. # + committish ::= (ref_str | hexsha1 | sha1exp_str | idnum); ref_str ::= ref; sha1exp_str ::= sha1exp; tag_str ::= tag; @@ -132,8 +137,8 @@ Format of STDIN stream: # 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 the line (an lf have - # preceeded it). + # must be the first character on that line (an lf + # preceded it). # comment ::= '#' not_lf* lf; not_lf ::= # Any byte that is not ASCII newline (LF); @@ -150,6 +155,7 @@ Format of STDIN stream: #include "refs.h" #include "csum-file.h" #include "quote.h" +#include "exec_cmd.h" #define PACK_ID_BITS 16 #define MAX_PACK_ID ((1<<PACK_ID_BITS)-1) @@ -158,12 +164,11 @@ Format of STDIN stream: struct object_entry { + struct pack_idx_entry idx; struct object_entry *next; - uint32_t offset; uint32_t type : TYPE_BITS, pack_id : PACK_ID_BITS, depth : DEPTH_BITS; - unsigned char sha1[20]; }; struct object_entry_pool @@ -186,7 +191,7 @@ struct mark_set struct last_object { struct strbuf data; - uint32_t offset; + off_t offset; unsigned int depth; unsigned no_swap : 1; }; @@ -210,7 +215,7 @@ struct tree_content; struct tree_entry { struct tree_content *tree; - struct atom_str* name; + struct atom_str *name; struct tree_entry_ms { uint16_t mode; @@ -239,6 +244,7 @@ struct branch const char *name; struct tree_entry branch_tree; uintmax_t last_commit; + uintmax_t num_notes; unsigned active : 1; unsigned pack_id : PACK_ID_BITS; unsigned char sha1[20]; @@ -273,7 +279,8 @@ struct recent_command /* Configured limits on output */ static unsigned long max_depth = 10; -static off_t max_packsize = (1LL << 32) - 1; +static off_t max_packsize; +static uintmax_t big_file_threshold = 512 * 1024 * 1024; static int force_update; static int pack_compression_level = Z_DEFAULT_COMPRESSION; static int pack_compression_seen; @@ -289,6 +296,9 @@ static unsigned long branch_count; static unsigned long branch_load_count; static int failure; static FILE *pack_edges; +static unsigned int show_stats = 1; +static int global_argc; +static const char **global_argv; /* Memory pools */ static size_t mem_pool_alloc = 2*1024*1024 - sizeof(struct mem_pool); @@ -302,16 +312,20 @@ static struct atom_str **atom_table; /* The .pack file being generated */ static unsigned int pack_id; +static struct sha1file *pack_file; static struct packed_git *pack_data; static struct packed_git **all_packs; -static unsigned long pack_size; +static off_t pack_size; /* Table of objects we've written. */ static unsigned int object_entry_alloc = 5000; static struct object_entry_pool *blocks; static struct object_entry *object_table[1 << 16]; static struct mark_set *marks; -static const char* mark_file; +static const char *export_marks_file; +static const char *import_marks_file; +static int import_marks_file_from_stream; +static int relative_marks_paths; /* Our last blob */ static struct last_object last_blob = { STRBUF_INIT, 0, 0, 0 }; @@ -345,6 +359,9 @@ static struct recent_command *rc_free; static unsigned int cmd_save = 100; static uintmax_t next_mark; static struct strbuf new_data = STRBUF_INIT; +static int seen_data_command; + +static void parse_argv(void); static void write_branch_report(FILE *rpt, struct branch *b) { @@ -376,7 +393,7 @@ static void dump_marks_helper(FILE *, uintmax_t, struct mark_set *); static void write_crash_report(const char *err) { - char *loc = git_path("fast_import_crash_%d", getpid()); + char *loc = git_path("fast_import_crash_%"PRIuMAX, (uintmax_t) getpid()); FILE *rpt = fopen(loc, "w"); struct branch *b; unsigned long lu; @@ -390,8 +407,8 @@ static void write_crash_report(const char *err) fprintf(stderr, "fast-import: dumping crash report to %s\n", loc); fprintf(rpt, "fast-import crash report:\n"); - fprintf(rpt, " fast-import process: %d\n", getpid()); - fprintf(rpt, " parent process : %d\n", getppid()); + 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)); fputc('\n', rpt); @@ -448,8 +465,8 @@ static void write_crash_report(const char *err) fputc('\n', rpt); fputs("Marks\n", rpt); fputs("-----\n", rpt); - if (mark_file) - fprintf(rpt, " exported to %s\n", mark_file); + if (export_marks_file) + fprintf(rpt, " exported to %s\n", export_marks_file); else dump_marks_helper(rpt, 0, marks); @@ -504,7 +521,7 @@ static struct object_entry *new_object(unsigned char *sha1) alloc_objects(object_entry_alloc); e = blocks->next_free++; - hashcpy(e->sha1, sha1); + hashcpy(e->idx.sha1, sha1); return e; } @@ -513,7 +530,7 @@ static struct object_entry *find_object(unsigned char *sha1) unsigned int h = sha1[0] << 8 | sha1[1]; struct object_entry *e; for (e = object_table[h]; e; e = e->next) - if (!hashcmp(sha1, e->sha1)) + if (!hashcmp(sha1, e->idx.sha1)) return e; return NULL; } @@ -525,7 +542,7 @@ static struct object_entry *insert_object(unsigned char *sha1) struct object_entry *p = NULL; while (e) { - if (!hashcmp(sha1, e->sha1)) + if (!hashcmp(sha1, e->idx.sha1)) return e; p = e; e = e->next; @@ -533,7 +550,7 @@ static struct object_entry *insert_object(unsigned char *sha1) e = new_object(sha1); e->next = NULL; - e->offset = 0; + e->idx.offset = 0; if (p) p->next = e; else @@ -554,6 +571,10 @@ static void *pool_alloc(size_t len) struct mem_pool *p; void *r; + /* round up to a 'uintmax_t' alignment */ + if (len & (sizeof(uintmax_t) - 1)) + len += sizeof(uintmax_t) - (len & (sizeof(uintmax_t) - 1)); + for (p = mem_pool; p; p = p->next_pool) if ((p->end - p->next_free >= len)) break; @@ -572,9 +593,6 @@ static void *pool_alloc(size_t len) } r = p->next_free; - /* round out to a 'uintmax_t' alignment */ - if (len & (sizeof(uintmax_t) - 1)) - len += sizeof(uintmax_t) - (len & (sizeof(uintmax_t) - 1)); p->next_free += len; return r; } @@ -669,7 +687,7 @@ static struct branch *lookup_branch(const char *name) static struct branch *new_branch(const char *name) { unsigned int hc = hc_str(name, strlen(name)) % branch_table_sz; - struct branch* b = lookup_branch(name); + struct branch *b = lookup_branch(name); if (b) die("Invalid attempt to create duplicate branch: %s", name); @@ -686,6 +704,7 @@ static struct branch *new_branch(const char *name) b->table_next_branch = branch_table[hc]; b->branch_tree.versions[0].mode = S_IFDIR; b->branch_tree.versions[1].mode = S_IFDIR; + b->num_notes = 0; b->active = 0; b->pack_id = MAX_PACK_ID; branch_table[hc] = b; @@ -815,17 +834,17 @@ static void start_packfile(void) struct pack_header hdr; int pack_fd; - snprintf(tmpfile, sizeof(tmpfile), - "%s/tmp_pack_XXXXXX", get_object_directory()); - pack_fd = xmkstemp(tmpfile); + pack_fd = odb_mkstemp(tmpfile, sizeof(tmpfile), + "pack/tmp_pack_XXXXXX"); p = xcalloc(1, sizeof(*p) + strlen(tmpfile) + 2); strcpy(p->pack_name, tmpfile); p->pack_fd = pack_fd; + pack_file = sha1fd(pack_fd, p->pack_name); hdr.hdr_signature = htonl(PACK_SIGNATURE); hdr.hdr_version = htonl(2); hdr.hdr_entries = 0; - write_or_die(p->pack_fd, &hdr, sizeof(hdr)); + sha1write(pack_file, &hdr, sizeof(hdr)); pack_data = p; pack_size = sizeof(hdr); @@ -835,84 +854,41 @@ static void start_packfile(void) all_packs[pack_id] = p; } -static int oecmp (const void *a_, const void *b_) -{ - struct object_entry *a = *((struct object_entry**)a_); - struct object_entry *b = *((struct object_entry**)b_); - return hashcmp(a->sha1, b->sha1); -} - -static char *create_index(void) +static const char *create_index(void) { - static char tmpfile[PATH_MAX]; - SHA_CTX ctx; - struct sha1file *f; - struct object_entry **idx, **c, **last, *e; + const char *tmpfile; + struct pack_idx_entry **idx, **c, **last; + struct object_entry *e; struct object_entry_pool *o; - uint32_t array[256]; - int i, idx_fd; - /* Build the sorted table of object IDs. */ - idx = xmalloc(object_count * sizeof(struct object_entry*)); + /* Build the table of object IDs. */ + idx = xmalloc(object_count * sizeof(*idx)); c = idx; for (o = blocks; o; o = o->next_pool) for (e = o->next_free; e-- != o->entries;) if (pack_id == e->pack_id) - *c++ = e; + *c++ = &e->idx; last = idx + object_count; if (c != last) die("internal consistency error creating the index"); - qsort(idx, object_count, sizeof(struct object_entry*), oecmp); - /* Generate the fan-out array. */ - c = idx; - for (i = 0; i < 256; i++) { - struct object_entry **next = c;; - while (next < last) { - if ((*next)->sha1[0] != i) - break; - next++; - } - array[i] = htonl(next - idx); - c = next; - } - - snprintf(tmpfile, sizeof(tmpfile), - "%s/tmp_idx_XXXXXX", get_object_directory()); - idx_fd = xmkstemp(tmpfile); - f = sha1fd(idx_fd, tmpfile); - sha1write(f, array, 256 * sizeof(int)); - SHA1_Init(&ctx); - for (c = idx; c != last; c++) { - uint32_t offset = htonl((*c)->offset); - sha1write(f, &offset, 4); - sha1write(f, (*c)->sha1, sizeof((*c)->sha1)); - SHA1_Update(&ctx, (*c)->sha1, 20); - } - sha1write(f, pack_data->sha1, sizeof(pack_data->sha1)); - sha1close(f, NULL, CSUM_FSYNC); + tmpfile = write_idx_file(NULL, idx, object_count, pack_data->sha1); free(idx); - SHA1_Final(pack_data->sha1, &ctx); return tmpfile; } -static char *keep_pack(char *curr_index_name) +static char *keep_pack(const char *curr_index_name) { static char name[PATH_MAX]; static const char *keep_msg = "fast-import"; int keep_fd; - chmod(pack_data->pack_name, 0444); - chmod(curr_index_name, 0444); - - snprintf(name, sizeof(name), "%s/pack/pack-%s.keep", - get_object_directory(), sha1_to_hex(pack_data->sha1)); - keep_fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600); + keep_fd = odb_pack_keep(name, sizeof(name), pack_data->sha1); if (keep_fd < 0) - die("cannot create keep file"); + die_errno("cannot create keep file"); write_or_die(keep_fd, keep_msg, strlen(keep_msg)); if (close(keep_fd)) - die("failed to write keep file"); + die_errno("failed to write keep file"); snprintf(name, sizeof(name), "%s/pack/pack-%s.pack", get_object_directory(), sha1_to_hex(pack_data->sha1)); @@ -923,6 +899,7 @@ static char *keep_pack(char *curr_index_name) get_object_directory(), sha1_to_hex(pack_data->sha1)); if (move_temp_to_file(curr_index_name, name)) die("cannot store index file"); + free((void *)curr_index_name); return name; } @@ -935,7 +912,7 @@ static void unkeep_all_packs(void) struct packed_git *p = all_packs[k]; snprintf(name, sizeof(name), "%s/pack/pack-%s.keep", get_object_directory(), sha1_to_hex(p->sha1)); - unlink(name); + unlink_or_warn(name); } } @@ -943,19 +920,23 @@ static void end_packfile(void) { struct packed_git *old_p = pack_data, *new_p; + clear_delta_base_cache(); if (object_count) { + unsigned char cur_pack_sha1[20]; char *idx_name; int i; struct branch *b; struct tag *t; close_pack_windows(pack_data); + sha1close(pack_file, cur_pack_sha1, 0); fixup_pack_header_footer(pack_data->pack_fd, pack_data->sha1, - pack_data->pack_name, object_count); + pack_data->pack_name, object_count, + cur_pack_sha1, pack_size); close(pack_data->pack_fd); idx_name = keep_pack(create_index()); - /* Register the packfile with core git's machinary. */ + /* Register the packfile with core git's machinery. */ new_p = add_packed_git(idx_name, strlen(idx_name), 1); if (!new_p) die("core git rejected index %s", idx_name); @@ -981,8 +962,10 @@ static void end_packfile(void) pack_id++; } - else - unlink(old_p->pack_name); + else { + close(old_p->pack_fd); + unlink_or_warn(old_p->pack_name); + } free(old_p); /* We can't carry a delta across packfiles. */ @@ -999,7 +982,7 @@ static void cycle_packfile(void) static size_t encode_header( enum object_type type, - size_t size, + uintmax_t size, unsigned char *hdr) { int n = 1; @@ -1032,40 +1015,36 @@ static int store_object( unsigned char hdr[96]; unsigned char sha1[20]; unsigned long hdrlen, deltalen; - SHA_CTX c; + git_SHA_CTX c; z_stream s; - hdrlen = sprintf((char*)hdr,"%s %lu", typename(type), + hdrlen = sprintf((char *)hdr,"%s %lu", typename(type), (unsigned long)dat->len) + 1; - SHA1_Init(&c); - SHA1_Update(&c, hdr, hdrlen); - SHA1_Update(&c, dat->buf, dat->len); - SHA1_Final(sha1, &c); + git_SHA1_Init(&c); + git_SHA1_Update(&c, hdr, hdrlen); + git_SHA1_Update(&c, dat->buf, dat->len); + git_SHA1_Final(sha1, &c); if (sha1out) hashcpy(sha1out, sha1); e = insert_object(sha1); if (mark) insert_mark(mark, e); - if (e->offset) { + if (e->idx.offset) { duplicate_count_by_type[type]++; return 1; } else if (find_sha1_pack(sha1, packed_git)) { e->type = type; e->pack_id = MAX_PACK_ID; - e->offset = 1; /* just not zero! */ + e->idx.offset = 1; /* just not zero! */ duplicate_count_by_type[type]++; return 1; } - if (last && last->data.buf && last->depth < max_depth) { + if (last && last->data.buf && last->depth < max_depth && dat->len > 20) { delta = diff_delta(last->data.buf, last->data.len, dat->buf, dat->len, - &deltalen, 0); - if (delta && deltalen >= dat->len) { - free(delta); - delta = NULL; - } + &deltalen, dat->len - 20); } else delta = NULL; @@ -1085,7 +1064,7 @@ static int store_object( deflateEnd(&s); /* Determine if we should auto-checkpoint. */ - if ((pack_size + 60 + s.total_out) > max_packsize + if ((max_packsize && (pack_size + 60 + s.total_out) > max_packsize) || (pack_size + 60 + s.total_out) < pack_size) { /* This new object needs to *not* have the current pack_id. */ @@ -1111,36 +1090,40 @@ static int store_object( e->type = type; e->pack_id = pack_id; - e->offset = pack_size; + e->idx.offset = pack_size; object_count++; object_count_by_type[type]++; + crc32_begin(pack_file); + if (delta) { - unsigned long ofs = e->offset - last->offset; + off_t ofs = e->idx.offset - last->offset; unsigned pos = sizeof(hdr) - 1; delta_count_by_type[type]++; e->depth = last->depth + 1; hdrlen = encode_header(OBJ_OFS_DELTA, deltalen, hdr); - write_or_die(pack_data->pack_fd, hdr, hdrlen); + sha1write(pack_file, hdr, hdrlen); pack_size += hdrlen; hdr[pos] = ofs & 127; while (ofs >>= 7) hdr[--pos] = 128 | (--ofs & 127); - write_or_die(pack_data->pack_fd, hdr + pos, sizeof(hdr) - pos); + sha1write(pack_file, hdr + pos, sizeof(hdr) - pos); pack_size += sizeof(hdr) - pos; } else { e->depth = 0; hdrlen = encode_header(type, dat->len, hdr); - write_or_die(pack_data->pack_fd, hdr, hdrlen); + sha1write(pack_file, hdr, hdrlen); pack_size += hdrlen; } - write_or_die(pack_data->pack_fd, out, s.total_out); + sha1write(pack_file, out, s.total_out); pack_size += s.total_out; + e->idx.crc32 = crc32_end(pack_file); + free(out); free(delta); if (last) { @@ -1149,12 +1132,137 @@ static int store_object( } else { strbuf_swap(&last->data, dat); } - last->offset = e->offset; + last->offset = e->idx.offset; last->depth = e->depth; } return 0; } +static void truncate_pack(off_t to, git_SHA_CTX *ctx) +{ + if (ftruncate(pack_data->pack_fd, to) + || lseek(pack_data->pack_fd, to, SEEK_SET) != to) + die_errno("cannot truncate pack to skip duplicate"); + pack_size = to; + + /* yes this is a layering violation */ + pack_file->total = to; + pack_file->offset = 0; + pack_file->ctx = *ctx; +} + +static void stream_blob(uintmax_t len, unsigned char *sha1out, uintmax_t mark) +{ + size_t in_sz = 64 * 1024, out_sz = 64 * 1024; + unsigned char *in_buf = xmalloc(in_sz); + unsigned char *out_buf = xmalloc(out_sz); + struct object_entry *e; + unsigned char sha1[20]; + unsigned long hdrlen; + off_t offset; + git_SHA_CTX c; + git_SHA_CTX pack_file_ctx; + z_stream s; + int status = Z_OK; + + /* Determine if we should auto-checkpoint. */ + if ((max_packsize && (pack_size + 60 + len) > max_packsize) + || (pack_size + 60 + len) < pack_size) + cycle_packfile(); + + offset = pack_size; + + /* preserve the pack_file SHA1 ctx in case we have to truncate later */ + sha1flush(pack_file); + pack_file_ctx = pack_file->ctx; + + hdrlen = snprintf((char *)out_buf, out_sz, "blob %" PRIuMAX, len) + 1; + if (out_sz <= hdrlen) + die("impossibly large object header"); + + git_SHA1_Init(&c); + git_SHA1_Update(&c, out_buf, hdrlen); + + crc32_begin(pack_file); + + memset(&s, 0, sizeof(s)); + deflateInit(&s, pack_compression_level); + + hdrlen = encode_header(OBJ_BLOB, len, out_buf); + if (out_sz <= hdrlen) + die("impossibly large object header"); + + s.next_out = out_buf + hdrlen; + s.avail_out = out_sz - hdrlen; + + while (status != Z_STREAM_END) { + if (0 < len && !s.avail_in) { + size_t cnt = in_sz < len ? in_sz : (size_t)len; + size_t n = fread(in_buf, 1, cnt, stdin); + if (!n && feof(stdin)) + die("EOF in data (%" PRIuMAX " bytes remaining)", len); + + git_SHA1_Update(&c, in_buf, n); + s.next_in = in_buf; + s.avail_in = n; + len -= n; + } + + status = deflate(&s, len ? 0 : Z_FINISH); + + if (!s.avail_out || status == Z_STREAM_END) { + size_t n = s.next_out - out_buf; + sha1write(pack_file, out_buf, n); + pack_size += n; + s.next_out = out_buf; + s.avail_out = out_sz; + } + + switch (status) { + case Z_OK: + case Z_BUF_ERROR: + case Z_STREAM_END: + continue; + default: + die("unexpected deflate failure: %d", status); + } + } + deflateEnd(&s); + git_SHA1_Final(sha1, &c); + + if (sha1out) + hashcpy(sha1out, sha1); + + e = insert_object(sha1); + + if (mark) + insert_mark(mark, e); + + if (e->idx.offset) { + duplicate_count_by_type[OBJ_BLOB]++; + truncate_pack(offset, &pack_file_ctx); + + } else if (find_sha1_pack(sha1, packed_git)) { + e->type = OBJ_BLOB; + e->pack_id = MAX_PACK_ID; + e->idx.offset = 1; /* just not zero! */ + duplicate_count_by_type[OBJ_BLOB]++; + truncate_pack(offset, &pack_file_ctx); + + } else { + e->depth = 0; + e->type = OBJ_BLOB; + e->pack_id = pack_id; + e->idx.offset = offset; + e->idx.crc32 = crc32_end(pack_file); + object_count++; + object_count_by_type[OBJ_BLOB]++; + } + + free(in_buf); + free(out_buf); +} + /* All calls must be guarded by find_object() or find_mark() to * ensure the 'struct object_entry' passed was written by this * process instance. We unpack the entry by the offset, avoiding @@ -1189,6 +1297,7 @@ static void *gfi_unpack_entry( * the newly written data. */ close_pack_windows(p); + sha1flush(pack_file); /* We have to offer 20 bytes additional on the end of * the packfile as the core unpacker code assumes the @@ -1198,7 +1307,7 @@ static void *gfi_unpack_entry( */ p->pack_size = pack_size + 20; } - return unpack_entry(p, oe->offset, &type, sizep); + return unpack_entry(p, oe->idx.offset, &type, sizep); } static const char *get_mode(const char *str, uint16_t *modep) @@ -1217,7 +1326,7 @@ static const char *get_mode(const char *str, uint16_t *modep) static void load_tree(struct tree_entry *root) { - unsigned char* sha1 = root->versions[1].sha1; + unsigned char *sha1 = root->versions[1].sha1; struct object_entry *myoe; struct tree_content *t; unsigned long size; @@ -1258,8 +1367,8 @@ static void load_tree(struct tree_entry *root) e->versions[0].mode = e->versions[1].mode; e->name = to_atom(c, strlen(c)); c += e->name->str_len + 1; - hashcpy(e->versions[0].sha1, (unsigned char*)c); - hashcpy(e->versions[1].sha1, (unsigned char*)c); + hashcpy(e->versions[0].sha1, (unsigned char *)c); + hashcpy(e->versions[1].sha1, (unsigned char *)c); c += 20; } free(buf); @@ -1329,7 +1438,7 @@ static void store_tree(struct tree_entry *root) if (S_ISDIR(root->versions[0].mode) && le && le->pack_id == pack_id) { mktree(t, 0, &old_tree); lo.data = old_tree; - lo.offset = le->offset; + lo.offset = le->idx.offset; lo.depth = t->delta_depth; } @@ -1587,7 +1696,7 @@ static void dump_marks_helper(FILE *f, for (k = 0; k < 1024; k++) { if (m->data.marked[k]) fprintf(f, ":%" PRIuMAX " %s\n", base + k, - sha1_to_hex(m->data.marked[k]->sha1)); + sha1_to_hex(m->data.marked[k]->idx.sha1)); } } } @@ -1598,13 +1707,13 @@ static void dump_marks(void) int mark_fd; FILE *f; - if (!mark_file) + if (!export_marks_file) return; - mark_fd = hold_lock_file_for_update(&mark_lock, mark_file, 0); + mark_fd = hold_lock_file_for_update(&mark_lock, export_marks_file, 0); if (mark_fd < 0) { failure |= error("Unable to write marks file %s: %s", - mark_file, strerror(errno)); + export_marks_file, strerror(errno)); return; } @@ -1613,7 +1722,7 @@ static void dump_marks(void) int saved_errno = errno; rollback_lock_file(&mark_lock); failure |= error("Unable to write marks file %s: %s", - mark_file, strerror(saved_errno)); + export_marks_file, strerror(saved_errno)); return; } @@ -1629,7 +1738,7 @@ static void dump_marks(void) int saved_errno = errno; rollback_lock_file(&mark_lock); failure |= error("Unable to write marks file %s: %s", - mark_file, strerror(saved_errno)); + export_marks_file, strerror(saved_errno)); return; } @@ -1637,11 +1746,47 @@ static void dump_marks(void) int saved_errno = errno; rollback_lock_file(&mark_lock); failure |= error("Unable to commit marks file %s: %s", - mark_file, strerror(saved_errno)); + export_marks_file, strerror(saved_errno)); return; } } +static void read_marks(void) +{ + char line[512]; + FILE *f = fopen(import_marks_file, "r"); + if (!f) + die_errno("cannot read '%s'", import_marks_file); + while (fgets(line, sizeof(line), f)) { + uintmax_t mark; + char *end; + unsigned char sha1[20]; + struct object_entry *e; + + end = strchr(line, '\n'); + if (line[0] != ':' || !end) + die("corrupt mark line: %s", line); + *end = 0; + mark = strtoumax(line + 1, &end, 10); + if (!mark || end == line + 1 + || *end != ' ' || get_sha1(end + 1, sha1)) + die("corrupt mark line: %s", line); + e = find_object(sha1); + if (!e) { + enum object_type type = sha1_object_info(sha1, NULL); + if (type < 0) + die("object not found: %s", sha1_to_hex(sha1)); + e = insert_object(sha1); + e->type = type; + e->pack_id = MAX_PACK_ID; + e->idx.offset = 1; /* just not zero! */ + } + insert_mark(mark, e); + } + fclose(f); +} + + static int read_next_command(void) { static int stdin_eof = 0; @@ -1662,6 +1807,12 @@ static int read_next_command(void) if (stdin_eof) return EOF; + if (!seen_data_command + && prefixcmp(command_buf.buf, "feature ") + && prefixcmp(command_buf.buf, "option ")) { + parse_argv(); + } + rc = rc_free; if (rc) rc_free = rc->next; @@ -1700,7 +1851,7 @@ static void parse_mark(void) next_mark = 0; } -static void parse_data(struct strbuf *sb) +static int parse_data(struct strbuf *sb, uintmax_t limit, uintmax_t *len_res) { strbuf_reset(sb); @@ -1724,9 +1875,15 @@ static void parse_data(struct strbuf *sb) free(term); } else { - size_t n = 0, length; + uintmax_t len = strtoumax(command_buf.buf + 5, NULL, 10); + size_t n = 0, length = (size_t)len; - length = strtoul(command_buf.buf + 5, NULL, 10); + if (limit && limit < len) { + *len_res = len; + return 0; + } + if (length < len) + die("data is too large to use in this context"); while (n < length) { size_t s = strbuf_fread(sb, length - n, stdin); @@ -1738,24 +1895,29 @@ static void parse_data(struct strbuf *sb) } skip_optional_lf(); + return 1; } static int validate_raw_date(const char *src, char *result, int maxlen) { const char *orig_src = src; - char *endp, sign; + char *endp; + unsigned long num; - strtoul(src, &endp, 10); - if (endp == src || *endp != ' ') + errno = 0; + + num = strtoul(src, &endp, 10); + /* NEEDSWORK: perhaps check for reasonable values? */ + if (errno || endp == src || *endp != ' ') return -1; src = endp + 1; if (*src != '-' && *src != '+') return -1; - sign = *src; - strtoul(src + 1, &endp, 10); - if (endp == src || *endp || (endp - orig_src) >= maxlen) + num = strtoul(src + 1, &endp, 10); + if (errno || endp == src + 1 || *endp || (endp - orig_src) >= maxlen || + 1400 < num) return -1; strcpy(result, orig_src); @@ -1798,14 +1960,32 @@ static char *parse_ident(const char *buf) return ident; } -static void parse_new_blob(void) +static void parse_and_store_blob( + struct last_object *last, + unsigned char *sha1out, + uintmax_t mark) { static struct strbuf buf = STRBUF_INIT; + uintmax_t len; + + if (parse_data(&buf, big_file_threshold, &len)) + store_object(OBJ_BLOB, &buf, last, sha1out, mark); + else { + if (last) { + strbuf_release(&last->data); + last->offset = 0; + last->depth = 0; + } + stream_blob(len, sha1out, mark); + skip_optional_lf(); + } +} +static void parse_new_blob(void) +{ read_next_command(); parse_mark(); - parse_data(&buf); - store_object(OBJ_BLOB, &buf, &last_blob, NULL, next_mark); + parse_and_store_blob(&last_blob, NULL, next_mark); } static void unload_one_branch(void) @@ -1852,6 +2032,109 @@ static void load_branch(struct branch *b) } } +static unsigned char convert_num_notes_to_fanout(uintmax_t num_notes) +{ + unsigned char fanout = 0; + while ((num_notes >>= 8)) + fanout++; + return fanout; +} + +static void construct_path_with_fanout(const char *hex_sha1, + unsigned char fanout, char *path) +{ + unsigned int i = 0, j = 0; + if (fanout >= 20) + die("Too large fanout (%u)", fanout); + while (fanout) { + path[i++] = hex_sha1[j++]; + path[i++] = hex_sha1[j++]; + path[i++] = '/'; + fanout--; + } + memcpy(path + i, hex_sha1 + j, 40 - j); + path[i + 40 - j] = '\0'; +} + +static uintmax_t do_change_note_fanout( + struct tree_entry *orig_root, struct tree_entry *root, + char *hex_sha1, unsigned int hex_sha1_len, + char *fullpath, unsigned int fullpath_len, + unsigned char fanout) +{ + struct tree_content *t = root->tree; + struct tree_entry *e, leaf; + unsigned int i, tmp_hex_sha1_len, tmp_fullpath_len; + uintmax_t num_notes = 0; + unsigned char sha1[20]; + char realpath[60]; + + for (i = 0; t && i < t->entry_count; i++) { + e = t->entries[i]; + tmp_hex_sha1_len = hex_sha1_len + e->name->str_len; + tmp_fullpath_len = fullpath_len; + + /* + * We're interested in EITHER existing note entries (entries + * with exactly 40 hex chars in path, not including directory + * separators), OR directory entries that may contain note + * entries (with < 40 hex chars in path). + * Also, each path component in a note entry must be a multiple + * of 2 chars. + */ + if (!e->versions[1].mode || + tmp_hex_sha1_len > 40 || + e->name->str_len % 2) + continue; + + /* This _may_ be a note entry, or a subdir containing notes */ + memcpy(hex_sha1 + hex_sha1_len, e->name->str_dat, + e->name->str_len); + if (tmp_fullpath_len) + fullpath[tmp_fullpath_len++] = '/'; + memcpy(fullpath + tmp_fullpath_len, e->name->str_dat, + e->name->str_len); + tmp_fullpath_len += e->name->str_len; + fullpath[tmp_fullpath_len] = '\0'; + + if (tmp_hex_sha1_len == 40 && !get_sha1_hex(hex_sha1, sha1)) { + /* This is a note entry */ + construct_path_with_fanout(hex_sha1, fanout, realpath); + if (!strcmp(fullpath, realpath)) { + /* Note entry is in correct location */ + num_notes++; + continue; + } + + /* Rename fullpath to realpath */ + if (!tree_content_remove(orig_root, fullpath, &leaf)) + die("Failed to remove path %s", fullpath); + tree_content_set(orig_root, realpath, + leaf.versions[1].sha1, + leaf.versions[1].mode, + leaf.tree); + } else if (S_ISDIR(e->versions[1].mode)) { + /* This is a subdir that may contain note entries */ + if (!e->tree) + load_tree(e); + num_notes += do_change_note_fanout(orig_root, e, + hex_sha1, tmp_hex_sha1_len, + fullpath, tmp_fullpath_len, fanout); + } + + /* The above may have reallocated the current tree_content */ + t = root->tree; + } + return num_notes; +} + +static uintmax_t change_note_fanout(struct tree_entry *root, + unsigned char fanout) +{ + char hex_sha1[40], path[60]; + return do_change_note_fanout(root, root, hex_sha1, 0, path, 0, fanout); +} + static void file_change_m(struct branch *b) { const char *p = command_buf.buf + 2; @@ -1865,12 +2148,13 @@ static void file_change_m(struct branch *b) if (!p) die("Corrupt mode: %s", command_buf.buf); switch (mode) { + case 0644: + case 0755: + mode |= S_IFREG; case S_IFREG | 0644: case S_IFREG | 0755: case S_IFLNK: case S_IFGITLINK: - case 0644: - case 0755: /* ok */ break; default: @@ -1880,7 +2164,7 @@ static void file_change_m(struct branch *b) if (*p == ':') { char *x; oe = find_mark(strtoumax(p + 1, &x, 10)); - hashcpy(sha1, oe->sha1); + hashcpy(sha1, oe->idx.sha1); p = x; } else if (!prefixcmp(p, "inline")) { inline_data = 1; @@ -1915,15 +2199,12 @@ static void file_change_m(struct branch *b) * another repository. */ } else if (inline_data) { - static struct strbuf buf = STRBUF_INIT; - if (p != uq.buf) { strbuf_addstr(&uq, p); p = uq.buf; } read_next_command(); - parse_data(&buf); - store_object(OBJ_BLOB, &buf, &last_blob, sha1, 0); + parse_and_store_blob(&last_blob, sha1, 0); } else if (oe) { if (oe->type != OBJ_BLOB) die("Not a blob (actually a %s): %s", @@ -1937,7 +2218,7 @@ static void file_change_m(struct branch *b) typename(type), command_buf.buf); } - tree_content_set(&b->branch_tree, p, sha1, S_IFREG | mode, NULL); + tree_content_set(&b->branch_tree, p, sha1, mode, NULL); } static void file_change_d(struct branch *b) @@ -2001,12 +2282,95 @@ static void file_change_cr(struct branch *b, int rename) leaf.tree); } +static void note_change_n(struct branch *b, unsigned char old_fanout) +{ + const char *p = command_buf.buf + 2; + static struct strbuf uq = STRBUF_INIT; + struct object_entry *oe = oe; + struct branch *s; + unsigned char sha1[20], commit_sha1[20]; + char path[60]; + uint16_t inline_data = 0; + unsigned char new_fanout; + + /* <dataref> or 'inline' */ + if (*p == ':') { + char *x; + oe = find_mark(strtoumax(p + 1, &x, 10)); + hashcpy(sha1, oe->idx.sha1); + p = x; + } else if (!prefixcmp(p, "inline")) { + inline_data = 1; + p += 6; + } else { + if (get_sha1_hex(p, sha1)) + die("Invalid SHA1: %s", command_buf.buf); + oe = find_object(sha1); + p += 40; + } + if (*p++ != ' ') + die("Missing space after SHA1: %s", command_buf.buf); + + /* <committish> */ + s = lookup_branch(p); + if (s) { + hashcpy(commit_sha1, s->sha1); + } else if (*p == ':') { + uintmax_t commit_mark = strtoumax(p + 1, NULL, 10); + struct object_entry *commit_oe = find_mark(commit_mark); + if (commit_oe->type != OBJ_COMMIT) + die("Mark :%" PRIuMAX " not a commit", commit_mark); + hashcpy(commit_sha1, commit_oe->idx.sha1); + } else if (!get_sha1(p, commit_sha1)) { + unsigned long size; + char *buf = read_object_with_reference(commit_sha1, + commit_type, &size, commit_sha1); + if (!buf || size < 46) + die("Not a valid commit: %s", p); + free(buf); + } else + die("Invalid ref name or SHA1 expression: %s", p); + + if (inline_data) { + if (p != uq.buf) { + strbuf_addstr(&uq, p); + p = uq.buf; + } + read_next_command(); + parse_and_store_blob(&last_blob, sha1, 0); + } else if (oe) { + if (oe->type != OBJ_BLOB) + die("Not a blob (actually a %s): %s", + typename(oe->type), command_buf.buf); + } else if (!is_null_sha1(sha1)) { + enum object_type type = sha1_object_info(sha1, NULL); + if (type < 0) + die("Blob not found: %s", command_buf.buf); + if (type != OBJ_BLOB) + die("Not a blob (actually a %s): %s", + typename(type), command_buf.buf); + } + + construct_path_with_fanout(sha1_to_hex(commit_sha1), old_fanout, path); + if (tree_content_remove(&b->branch_tree, path, NULL)) + b->num_notes--; + + if (is_null_sha1(sha1)) + return; /* nothing to insert */ + + b->num_notes++; + new_fanout = convert_num_notes_to_fanout(b->num_notes); + construct_path_with_fanout(sha1_to_hex(commit_sha1), new_fanout, path); + tree_content_set(&b->branch_tree, path, sha1, S_IFREG | 0644, NULL); +} + static void file_change_deleteall(struct branch *b) { release_tree_content_recursive(b->branch_tree.tree); hashclr(b->branch_tree.versions[0].sha1); hashclr(b->branch_tree.versions[1].sha1); load_tree(&b->branch_tree); + b->num_notes = 0; } static void parse_from_commit(struct branch *b, char *buf, unsigned long size) @@ -2063,7 +2427,7 @@ static int parse_from(struct branch *b) struct object_entry *oe = find_mark(idnum); if (oe->type != OBJ_COMMIT) die("Mark :%" PRIuMAX " not a commit", idnum); - hashcpy(b->sha1, oe->sha1); + hashcpy(b->sha1, oe->idx.sha1); if (oe->pack_id != MAX_PACK_ID) { unsigned long size; char *buf = gfi_unpack_entry(oe, &size); @@ -2098,7 +2462,7 @@ static struct hash_list *parse_merge(unsigned int *count) struct object_entry *oe = find_mark(idnum); if (oe->type != OBJ_COMMIT) die("Mark :%" PRIuMAX " not a commit", idnum); - hashcpy(n->sha1, oe->sha1); + hashcpy(n->sha1, oe->idx.sha1); } else if (!get_sha1(from, n->sha1)) { unsigned long size; char *buf = read_object_with_reference(n->sha1, @@ -2130,6 +2494,7 @@ static void parse_new_commit(void) char *committer = NULL; struct hash_list *merge_list = NULL; unsigned int merge_count; + unsigned char prev_fanout, new_fanout; /* Obtain the branch name from the rest of our command */ sp = strchr(command_buf.buf, ' ') + 1; @@ -2149,7 +2514,7 @@ static void parse_new_commit(void) } if (!committer) die("Expected committer but didn't get one"); - parse_data(&msg); + parse_data(&msg, 0, NULL); read_next_command(); parse_from(b); merge_list = parse_merge(&merge_count); @@ -2160,6 +2525,8 @@ static void parse_new_commit(void) load_branch(b); } + prev_fanout = convert_num_notes_to_fanout(b->num_notes); + /* file_change* */ while (command_buf.len > 0) { if (!prefixcmp(command_buf.buf, "M ")) @@ -2170,6 +2537,8 @@ static void parse_new_commit(void) file_change_cr(b, 1); else if (!prefixcmp(command_buf.buf, "C ")) file_change_cr(b, 0); + else if (!prefixcmp(command_buf.buf, "N ")) + note_change_n(b, prev_fanout); else if (!strcmp("deleteall", command_buf.buf)) file_change_deleteall(b); else { @@ -2180,6 +2549,10 @@ static void parse_new_commit(void) break; } + new_fanout = convert_num_notes_to_fanout(b->num_notes); + if (new_fanout != prev_fanout) + b->num_notes = change_note_fanout(&b->branch_tree, new_fanout); + /* build the tree and the commit */ store_tree(&b->branch_tree); hashcpy(b->branch_tree.versions[0].sha1, @@ -2220,6 +2593,7 @@ static void parse_new_tag(void) struct tag *t; uintmax_t from_mark = 0; unsigned char sha1[20]; + enum object_type type; /* Obtain the new tag name from the rest of our command */ sp = strchr(command_buf.buf, ' ') + 1; @@ -2240,19 +2614,18 @@ static void parse_new_tag(void) s = lookup_branch(from); if (s) { hashcpy(sha1, s->sha1); + type = OBJ_COMMIT; } else if (*from == ':') { struct object_entry *oe; from_mark = strtoumax(from + 1, NULL, 10); oe = find_mark(from_mark); - if (oe->type != OBJ_COMMIT) - die("Mark :%" PRIuMAX " not a commit", from_mark); - hashcpy(sha1, oe->sha1); + type = oe->type; + hashcpy(sha1, oe->idx.sha1); } else if (!get_sha1(from, sha1)) { unsigned long size; char *buf; - buf = read_object_with_reference(sha1, - commit_type, &size, sha1); + buf = read_sha1_file(sha1, &type, &size); if (!buf || size < 46) die("Not a valid commit: %s", from); free(buf); @@ -2261,23 +2634,27 @@ static void parse_new_tag(void) read_next_command(); /* tagger ... */ - if (prefixcmp(command_buf.buf, "tagger ")) - die("Expected tagger command, got %s", command_buf.buf); - tagger = parse_ident(command_buf.buf + 7); + if (!prefixcmp(command_buf.buf, "tagger ")) { + tagger = parse_ident(command_buf.buf + 7); + read_next_command(); + } else + tagger = NULL; /* tag payload/message */ - read_next_command(); - parse_data(&msg); + parse_data(&msg, 0, NULL); /* build the tag object */ strbuf_reset(&new_data); + strbuf_addf(&new_data, - "object %s\n" - "type %s\n" - "tag %s\n" - "tagger %s\n" - "\n", - sha1_to_hex(sha1), commit_type, t->name, tagger); + "object %s\n" + "type %s\n" + "tag %s\n", + sha1_to_hex(sha1), typename(type), t->name); + if (tagger) + strbuf_addf(&new_data, + "tagger %s\n", tagger); + strbuf_addch(&new_data, '\n'); strbuf_addbuf(&new_data, &msg); free(tagger); @@ -2331,39 +2708,150 @@ static void parse_progress(void) skip_optional_lf(); } -static void import_marks(const char *input_file) +static char* make_fast_import_path(const char *path) { - char line[512]; - FILE *f = fopen(input_file, "r"); - if (!f) - die("cannot read %s: %s", input_file, strerror(errno)); - while (fgets(line, sizeof(line), f)) { - uintmax_t mark; - char *end; - unsigned char sha1[20]; - struct object_entry *e; + struct strbuf abs_path = STRBUF_INIT; - end = strchr(line, '\n'); - if (line[0] != ':' || !end) - die("corrupt mark line: %s", line); - *end = 0; - mark = strtoumax(line + 1, &end, 10); - if (!mark || end == line + 1 - || *end != ' ' || get_sha1(end + 1, sha1)) - die("corrupt mark line: %s", line); - e = find_object(sha1); - if (!e) { - enum object_type type = sha1_object_info(sha1, NULL); - if (type < 0) - die("object not found: %s", sha1_to_hex(sha1)); - e = insert_object(sha1); - e->type = type; - e->pack_id = MAX_PACK_ID; - e->offset = 1; /* just not zero! */ + if (!relative_marks_paths || is_absolute_path(path)) + return xstrdup(path); + strbuf_addf(&abs_path, "%s/info/fast-import/%s", get_git_dir(), path); + return strbuf_detach(&abs_path, NULL); +} + +static void option_import_marks(const char *marks, int from_stream) +{ + if (import_marks_file) { + if (from_stream) + die("Only one import-marks command allowed per stream"); + + /* read previous mark file */ + if(!import_marks_file_from_stream) + read_marks(); + } + + import_marks_file = make_fast_import_path(marks); + import_marks_file_from_stream = from_stream; +} + +static void option_date_format(const char *fmt) +{ + if (!strcmp(fmt, "raw")) + whenspec = WHENSPEC_RAW; + else if (!strcmp(fmt, "rfc2822")) + whenspec = WHENSPEC_RFC2822; + else if (!strcmp(fmt, "now")) + whenspec = WHENSPEC_NOW; + else + die("unknown --date-format argument %s", fmt); +} + +static void option_depth(const char *depth) +{ + max_depth = strtoul(depth, NULL, 0); + if (max_depth > MAX_DEPTH) + die("--depth cannot exceed %u", MAX_DEPTH); +} + +static void option_active_branches(const char *branches) +{ + max_active_branches = strtoul(branches, NULL, 0); +} + +static void option_export_marks(const char *marks) +{ + export_marks_file = make_fast_import_path(marks); +} + +static void option_export_pack_edges(const char *edges) +{ + if (pack_edges) + fclose(pack_edges); + pack_edges = fopen(edges, "a"); + if (!pack_edges) + die_errno("Cannot open '%s'", edges); +} + +static int parse_one_option(const char *option) +{ + if (!prefixcmp(option, "max-pack-size=")) { + unsigned long v; + if (!git_parse_ulong(option + 14, &v)) + return 0; + if (v < 8192) { + warning("max-pack-size is now in bytes, assuming --max-pack-size=%lum", v); + v *= 1024 * 1024; + } else if (v < 1024 * 1024) { + warning("minimum max-pack-size is 1 MiB"); + v = 1024 * 1024; } - insert_mark(mark, e); + max_packsize = v; + } else if (!prefixcmp(option, "big-file-threshold=")) { + unsigned long v; + if (!git_parse_ulong(option + 19, &v)) + return 0; + big_file_threshold = v; + } else if (!prefixcmp(option, "depth=")) { + option_depth(option + 6); + } else if (!prefixcmp(option, "active-branches=")) { + option_active_branches(option + 16); + } else if (!prefixcmp(option, "export-pack-edges=")) { + option_export_pack_edges(option + 18); + } else if (!prefixcmp(option, "quiet")) { + show_stats = 0; + } else if (!prefixcmp(option, "stats")) { + show_stats = 1; + } else { + return 0; } - fclose(f); + + return 1; +} + +static int parse_one_feature(const char *feature, int from_stream) +{ + if (!prefixcmp(feature, "date-format=")) { + option_date_format(feature + 12); + } else if (!prefixcmp(feature, "import-marks=")) { + option_import_marks(feature + 13, from_stream); + } else if (!prefixcmp(feature, "export-marks=")) { + option_export_marks(feature + 13); + } else if (!prefixcmp(feature, "relative-marks")) { + relative_marks_paths = 1; + } else if (!prefixcmp(feature, "no-relative-marks")) { + relative_marks_paths = 0; + } else if (!prefixcmp(feature, "force")) { + force_update = 1; + } else { + return 0; + } + + return 1; +} + +static void parse_feature(void) +{ + char *feature = command_buf.buf + 8; + + if (seen_data_command) + die("Got feature command '%s' after data command", feature); + + if (parse_one_feature(feature, 1)) + return; + + die("This version of fast-import does not support feature %s.", feature); +} + +static void parse_option(void) +{ + char *option = command_buf.buf + 11; + + if (seen_data_command) + die("Got option command '%s' after data command", option); + + if (parse_one_option(option)) + return; + + die("This version of fast-import does not support option: %s", option); } static int git_pack_config(const char *k, const char *v, void *cb) @@ -2384,15 +2872,61 @@ static int git_pack_config(const char *k, const char *v, void *cb) pack_compression_seen = 1; return 0; } + if (!strcmp(k, "pack.indexversion")) { + pack_idx_default_version = git_config_int(k, v); + if (pack_idx_default_version > 2) + die("bad pack.indexversion=%"PRIu32, + pack_idx_default_version); + return 0; + } + if (!strcmp(k, "pack.packsizelimit")) { + max_packsize = git_config_ulong(k, v); + return 0; + } + if (!strcmp(k, "core.bigfilethreshold")) { + long n = git_config_int(k, v); + big_file_threshold = 0 < n ? n : 0; + } return git_default_config(k, v, cb); } static const char fast_import_usage[] = -"git fast-import [--date-format=f] [--max-pack-size=n] [--depth=n] [--active-branches=n] [--export-marks=marks.file]"; +"git fast-import [--date-format=f] [--max-pack-size=n] [--big-file-threshold=n] [--depth=n] [--active-branches=n] [--export-marks=marks.file]"; + +static void parse_argv(void) +{ + unsigned int i; + + for (i = 1; i < global_argc; i++) { + const char *a = global_argv[i]; + + if (*a != '-' || !strcmp(a, "--")) + break; + + if (parse_one_option(a + 2)) + continue; + + if (parse_one_feature(a + 2, 0)) + continue; + + die("unknown option %s", a); + } + if (i != global_argc) + usage(fast_import_usage); + + seen_data_command = 1; + if (import_marks_file) + read_marks(); +} int main(int argc, const char **argv) { - unsigned int i, show_stats = 1; + unsigned int i; + + git_extract_argv0_path(argv[0]); + + if (argc == 2 && !strcmp(argv[1], "-h")) + usage(fast_import_usage); setup_git_directory(); git_config(git_pack_config, NULL); @@ -2406,52 +2940,8 @@ int main(int argc, const char **argv) avail_tree_table = xcalloc(avail_tree_table_sz, sizeof(struct avail_tree_content*)); marks = pool_calloc(1, sizeof(struct mark_set)); - for (i = 1; i < argc; i++) { - const char *a = argv[i]; - - if (*a != '-' || !strcmp(a, "--")) - break; - else if (!prefixcmp(a, "--date-format=")) { - const char *fmt = a + 14; - if (!strcmp(fmt, "raw")) - whenspec = WHENSPEC_RAW; - else if (!strcmp(fmt, "rfc2822")) - whenspec = WHENSPEC_RFC2822; - else if (!strcmp(fmt, "now")) - whenspec = WHENSPEC_NOW; - else - die("unknown --date-format argument %s", fmt); - } - else if (!prefixcmp(a, "--max-pack-size=")) - max_packsize = strtoumax(a + 16, NULL, 0) * 1024 * 1024; - else if (!prefixcmp(a, "--depth=")) { - max_depth = strtoul(a + 8, NULL, 0); - if (max_depth > MAX_DEPTH) - die("--depth cannot exceed %u", MAX_DEPTH); - } - else if (!prefixcmp(a, "--active-branches=")) - max_active_branches = strtoul(a + 18, NULL, 0); - else if (!prefixcmp(a, "--import-marks=")) - import_marks(a + 15); - else if (!prefixcmp(a, "--export-marks=")) - mark_file = a + 15; - else if (!prefixcmp(a, "--export-pack-edges=")) { - if (pack_edges) - fclose(pack_edges); - pack_edges = fopen(a + 20, "a"); - if (!pack_edges) - die("Cannot open %s: %s", a + 20, strerror(errno)); - } else if (!strcmp(a, "--force")) - force_update = 1; - else if (!strcmp(a, "--quiet")) - show_stats = 0; - else if (!strcmp(a, "--stats")) - show_stats = 1; - else - die("unknown option %s", a); - } - if (i != argc) - usage(fast_import_usage); + global_argc = argc; + global_argv = argv; rc_free = pool_alloc(cmd_save * sizeof(*rc_free)); for (i = 0; i < (cmd_save - 1); i++) @@ -2474,9 +2964,20 @@ int main(int argc, const char **argv) parse_checkpoint(); else if (!prefixcmp(command_buf.buf, "progress ")) parse_progress(); + else if (!prefixcmp(command_buf.buf, "feature ")) + parse_feature(); + else if (!prefixcmp(command_buf.buf, "option git ")) + parse_option(); + else if (!prefixcmp(command_buf.buf, "option ")) + /* ignore non-git options*/; else die("Unsupported command: %s", command_buf.buf); } + + /* argv hasn't been parsed yet, do so */ + if (!seen_data_command) + parse_argv(); + end_packfile(); dump_branches(); |