From: Junio C Hamano Date: Fri, 21 May 2010 11:02:19 +0000 (-0700) Subject: Merge branch 'sp/maint-dumb-http-pack-reidx' X-Git-Tag: v1.7.2-rc0~118 X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/035bf8d7c484b82e3e278af8c91584ae724cb5d4?ds=inline;hp=-c Merge branch 'sp/maint-dumb-http-pack-reidx' * sp/maint-dumb-http-pack-reidx: http.c::new_http_pack_request: do away with the temp variable filename http-fetch: Use temporary files for pack-*.idx until verified http-fetch: Use index-pack rather than verify-pack to check packs Allow parse_pack_index on temporary files Extract verify_pack_index for reuse from verify_pack Introduce close_pack_index to permit replacement http.c: Remove unnecessary strdup of sha1_to_hex result http.c: Don't store destination name in request structures http.c: Drop useless != NULL test in finish_http_pack_request http.c: Tiny refactoring of finish_http_pack_request t5550-http-fetch: Use subshell for repository operations http.c: Remove bad free of static block --- 035bf8d7c484b82e3e278af8c91584ae724cb5d4 diff --combined cache.h index d00d2be320,7db23eff26..c96602305f --- a/cache.h +++ b/cache.h @@@ -387,9 -387,6 +387,9 @@@ static inline enum object_type object_t #define ATTRIBUTE_MACRO_PREFIX "[attr]" #define GIT_NOTES_REF_ENVIRONMENT "GIT_NOTES_REF" #define GIT_NOTES_DEFAULT_REF "refs/notes/commits" +#define GIT_NOTES_DISPLAY_REF_ENVIRONMENT "GIT_NOTES_DISPLAY_REF" +#define GIT_NOTES_REWRITE_REF_ENVIRONMENT "GIT_NOTES_REWRITE_REF" +#define GIT_NOTES_REWRITE_MODE_ENVIRONMENT "GIT_NOTES_REWRITE_MODE" /* * Repository-local GIT_* environment variables @@@ -691,7 -688,6 +691,7 @@@ int normalize_path_copy(char *dst, cons int longest_ancestor_length(const char *path, const char *prefix_list); char *strip_path_suffix(const char *path, const char *suffix); int daemon_avoid_alias(const char *path); +int offset_1st_component(const char *path); /* Read and unpack a sha1 file into memory, write memory to a sha1 file */ extern int sha1_object_info(const unsigned char *, unsigned long *); @@@ -701,7 -697,7 +701,7 @@@ static inline void *read_sha1_file(cons return read_sha1_file_repl(sha1, type, size, NULL); } extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1); -extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1); +extern int write_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *return_sha1); extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *); extern int force_object_loose(const unsigned char *sha1, time_t mtime); @@@ -718,8 -714,6 +718,8 @@@ extern int has_loose_object_nonlocal(co extern int has_pack_index(const unsigned char *sha1); +extern void assert_sha1_type(const unsigned char *sha1, enum object_type expect); + extern const signed char hexval_table[256]; static inline unsigned int hexval(unsigned char c) { @@@ -896,7 -890,6 +896,7 @@@ struct ref extern struct ref *find_ref_by_name(const struct ref *list, const char *name); #define CONNECT_VERBOSE (1u << 0) +extern char *git_getpass(const char *prompt); extern struct child_process *git_connect(int fd[2], const char *url, const char *prog, int flags); extern int finish_connect(struct child_process *conn); extern int path_match(const char *path, int nr, char **match); @@@ -907,7 -900,7 +907,7 @@@ struct extra_have_objects extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match, unsigned int flags, struct extra_have_objects *); extern int server_supports(const char *feature); - extern struct packed_git *parse_pack_index(unsigned char *sha1); + extern struct packed_git *parse_pack_index(unsigned char *sha1, const char *idx_path); extern void prepare_packed_git(void); extern void reprepare_packed_git(void); @@@ -918,6 -911,7 +918,7 @@@ extern struct packed_git *find_sha1_pac extern void pack_report(void); extern int open_pack_index(struct packed_git *); + extern void close_pack_index(struct packed_git *); extern unsigned char *use_pack(struct packed_git *, struct pack_window **, off_t, unsigned int *); extern void close_pack_windows(struct packed_git *); extern void unuse_pack(struct pack_window **); @@@ -938,15 -932,12 +939,15 @@@ extern int update_server_info(int) typedef int (*config_fn_t)(const char *, const char *, void *); extern int git_default_config(const char *, const char *, void *); extern int git_config_from_file(config_fn_t fn, const char *, void *); +extern int git_config_parse_parameter(const char *text); +extern int git_config_from_parameters(config_fn_t fn, void *data); extern int git_config(config_fn_t fn, void *); extern int git_parse_ulong(const char *, unsigned long *); extern int git_config_int(const char *, const char *); extern unsigned long git_config_ulong(const char *, const char *); extern int git_config_bool_or_int(const char *, const char *, int *); extern int git_config_bool(const char *, const char *); +extern int git_config_maybe_bool(const char *, const char *); extern int git_config_string(const char **, const char *, const char *); extern int git_config_pathname(const char **, const char *, const char *); extern int git_config_set(const char *, const char *); @@@ -954,7 -945,6 +955,7 @@@ extern int git_config_set_multivar(cons extern int git_config_rename_section(const char *, const char *); extern const char *git_etc_gitconfig(void); extern int check_repository_format_version(const char *var, const char *value, void *cb); +extern int git_env_bool(const char *, int); extern int git_config_system(void); extern int git_config_global(void); extern int config_error_nonbool(const char *); @@@ -1046,7 -1036,6 +1047,7 @@@ void shift_tree_by(const unsigned char #define WS_INDENT_WITH_NON_TAB 04 #define WS_CR_AT_EOL 010 #define WS_BLANK_AT_EOF 020 +#define WS_TAB_IN_INDENT 040 #define WS_TRAILING_SPACE (WS_BLANK_AT_EOL|WS_BLANK_AT_EOF) #define WS_DEFAULT_RULE (WS_TRAILING_SPACE|WS_SPACE_BEFORE_TAB) extern unsigned whitespace_rule_cfg; @@@ -1055,7 -1044,7 +1056,7 @@@ extern unsigned parse_whitespace_rule(c extern unsigned ws_check(const char *line, int len, unsigned ws_rule); extern void ws_check_emit(const char *line, int len, unsigned ws_rule, FILE *stream, const char *set, const char *reset, const char *ws); extern char *whitespace_error_string(unsigned ws); -extern int ws_fix_copy(char *, const char *, int, unsigned, int *); +extern void ws_fix_copy(struct strbuf *, const char *, int, unsigned, int *); extern int ws_blank_line(const char *line, int len, unsigned ws_rule); /* ls-files */ @@@ -1065,7 -1054,4 +1066,7 @@@ void overlay_tree_on_cache(const char * char *alias_lookup(const char *alias); int split_cmdline(char *cmdline, const char ***argv); +/* builtin/merge.c */ +int checkout_fast_forward(const unsigned char *from, const unsigned char *to); + #endif /* CACHE_H */ diff --combined http-walker.c index ef99ae647a,3a726dea08..8ca76d0507 --- a/http-walker.c +++ b/http-walker.c @@@ -510,7 -510,7 +510,7 @@@ static int fetch_object(struct walker * ret = error("File %s has bad hash", hex); } else if (req->rename < 0) { ret = error("unable to write sha1 filename %s", - req->filename); + sha1_file_name(req->sha1)); } release_http_object_request(req); @@@ -543,30 -543,17 +543,30 @@@ static int fetch_ref(struct walker *wal static void cleanup(struct walker *walker) { - http_cleanup(); + struct walker_data *data = walker->data; + struct alt_base *alt, *alt_next; + + if (data) { + alt = data->alt; + while (alt) { + alt_next = alt->next; + + free(alt->base); + free(alt); + + alt = alt_next; + } + free(data); + walker->data = NULL; + } } -struct walker *get_http_walker(const char *url, struct remote *remote) +struct walker *get_http_walker(const char *url) { char *s; struct walker_data *data = xmalloc(sizeof(struct walker_data)); struct walker *walker = xmalloc(sizeof(struct walker)); - http_init(remote); - data->alt = xmalloc(sizeof(*data->alt)); data->alt->base = xmalloc(strlen(url) + 1); strcpy(data->alt->base, url); diff --combined http.c index 07a03fd79b,e41fcc3800..1320c50e32 --- a/http.c +++ b/http.c @@@ -1,6 -1,7 +1,7 @@@ #include "http.h" #include "pack.h" #include "sideband.h" + #include "run-command.h" int data_received; int active_requests; @@@ -204,7 -205,7 +205,7 @@@ static void init_curl_http_auth(CURL *r if (user_name) { struct strbuf up = STRBUF_INIT; if (!user_pass) - user_pass = xstrdup(getpass("Password: ")); + user_pass = xstrdup(git_getpass("Password: ")); strbuf_addf(&up, "%s:%s", user_name, user_pass); curl_easy_setopt(result, CURLOPT_USERPWD, strbuf_detach(&up, NULL)); @@@ -219,7 -220,7 +220,7 @@@ static int has_cert_password(void return 0; /* Only prompt the user once. */ ssl_cert_password_required = -1; - ssl_cert_password = getpass("Certificate Password: "); + ssl_cert_password = git_getpass("Certificate Password: "); if (ssl_cert_password != NULL) { ssl_cert_password = xstrdup(ssl_cert_password); return 1; @@@ -720,7 -721,7 +721,7 @@@ static inline int hex(int v return 'A' + v - 10; } -static void end_url_with_slash(struct strbuf *buf, const char *url) +void end_url_with_slash(struct strbuf *buf, const char *url) { strbuf_addstr(buf, url); if (buf->len && buf->buf[buf->len - 1] != '/') @@@ -815,21 -816,7 +816,21 @@@ static int http_request(const char *url ret = HTTP_OK; else if (missing_target(&results)) ret = HTTP_MISSING_TARGET; - else + else if (results.http_code == 401) { + if (user_name) { + ret = HTTP_NOAUTH; + } else { + /* + * git_getpass is needed here because its very likely stdin/stdout are + * pipes to our parent process. So we instead need to use /dev/tty, + * but that is non-portable. Using git_getpass() can at least be stubbed + * on other platforms with a different implementation if/when necessary. + */ + user_name = xstrdup(git_getpass("Username: ")); + init_curl_http_auth(slot->curl); + ret = HTTP_REAUTH; + } + } else ret = HTTP_ERROR; } else { error("Unable to start HTTP request for %s", url); @@@ -845,11 -832,7 +846,11 @@@ int http_get_strbuf(const char *url, struct strbuf *result, int options) { - return http_request(url, result, HTTP_REQUEST_STRBUF, options); + int http_ret = http_request(url, result, HTTP_REQUEST_STRBUF, options); + if (http_ret == HTTP_REAUTH) { + http_ret = http_request(url, result, HTTP_REQUEST_STRBUF, options); + } + return http_ret; } /* @@@ -914,47 -897,67 +915,67 @@@ int http_fetch_ref(const char *base, st } /* Helpers for fetching packs */ - static int fetch_pack_index(unsigned char *sha1, const char *base_url) + static char *fetch_pack_index(unsigned char *sha1, const char *base_url) { - int ret = 0; - char *hex = xstrdup(sha1_to_hex(sha1)); - char *filename; - char *url = NULL; + char *url, *tmp; struct strbuf buf = STRBUF_INIT; - if (has_pack_index(sha1)) { - ret = 0; - goto cleanup; - } - if (http_is_verbose) - fprintf(stderr, "Getting index for pack %s\n", hex); + fprintf(stderr, "Getting index for pack %s\n", sha1_to_hex(sha1)); end_url_with_slash(&buf, base_url); - strbuf_addf(&buf, "objects/pack/pack-%s.idx", hex); + strbuf_addf(&buf, "objects/pack/pack-%s.idx", sha1_to_hex(sha1)); url = strbuf_detach(&buf, NULL); - filename = sha1_pack_index_name(sha1); - if (http_get_file(url, filename, 0) != HTTP_OK) - ret = error("Unable to get pack index %s\n", url); + strbuf_addf(&buf, "%s.temp", sha1_pack_index_name(sha1)); + tmp = strbuf_detach(&buf, NULL); + + if (http_get_file(url, tmp, 0) != HTTP_OK) { + error("Unable to get pack index %s\n", url); + free(tmp); + tmp = NULL; + } - cleanup: - free(hex); free(url); - return ret; + return tmp; } static int fetch_and_setup_pack_index(struct packed_git **packs_head, unsigned char *sha1, const char *base_url) { struct packed_git *new_pack; + char *tmp_idx = NULL; + int ret; - if (fetch_pack_index(sha1, base_url)) + if (has_pack_index(sha1)) { + new_pack = parse_pack_index(sha1, NULL); + if (!new_pack) + return -1; /* parse_pack_index() already issued error message */ + goto add_pack; + } + + tmp_idx = fetch_pack_index(sha1, base_url); + if (!tmp_idx) return -1; - new_pack = parse_pack_index(sha1); - if (!new_pack) + new_pack = parse_pack_index(sha1, tmp_idx); + if (!new_pack) { + unlink(tmp_idx); + free(tmp_idx); + return -1; /* parse_pack_index() already issued error message */ + } + + ret = verify_pack_index(new_pack); + if (!ret) { + close_pack_index(new_pack); + ret = move_temp_to_file(tmp_idx, sha1_pack_index_name(sha1)); + } + free(tmp_idx); + if (ret) + return -1; + + add_pack: new_pack->next = *packs_head; *packs_head = new_pack; return 0; @@@ -1018,37 -1021,62 +1039,62 @@@ void release_http_pack_request(struct h int finish_http_pack_request(struct http_pack_request *preq) { - int ret; struct packed_git **lst; + struct packed_git *p = preq->target; + char *tmp_idx; + struct child_process ip; + const char *ip_argv[8]; - preq->target->pack_size = ftell(preq->packfile); + close_pack_index(p); - if (preq->packfile != NULL) { - fclose(preq->packfile); - preq->packfile = NULL; - preq->slot->local = NULL; - } - - ret = move_temp_to_file(preq->tmpfile, preq->filename); - if (ret) - return ret; + fclose(preq->packfile); + preq->packfile = NULL; + preq->slot->local = NULL; lst = preq->lst; - while (*lst != preq->target) + while (*lst != p) lst = &((*lst)->next); *lst = (*lst)->next; - if (verify_pack(preq->target)) + tmp_idx = xstrdup(preq->tmpfile); + strcpy(tmp_idx + strlen(tmp_idx) - strlen(".pack.temp"), + ".idx.temp"); + + ip_argv[0] = "index-pack"; + ip_argv[1] = "-o"; + ip_argv[2] = tmp_idx; + ip_argv[3] = preq->tmpfile; + ip_argv[4] = NULL; + + memset(&ip, 0, sizeof(ip)); + ip.argv = ip_argv; + ip.git_cmd = 1; + ip.no_stdin = 1; + ip.no_stdout = 1; + + if (run_command(&ip)) { + unlink(preq->tmpfile); + unlink(tmp_idx); + free(tmp_idx); + return -1; + } + + unlink(sha1_pack_index_name(p->sha1)); + + if (move_temp_to_file(preq->tmpfile, sha1_pack_name(p->sha1)) + || move_temp_to_file(tmp_idx, sha1_pack_index_name(p->sha1))) { + free(tmp_idx); return -1; - install_packed_git(preq->target); + } + install_packed_git(p); + free(tmp_idx); return 0; } struct http_pack_request *new_http_pack_request( struct packed_git *target, const char *base_url) { - char *filename; long prev_posn = 0; char range[RANGE_HEADER_SIZE]; struct strbuf buf = STRBUF_INIT; @@@ -1063,9 -1091,8 +1109,8 @@@ sha1_to_hex(target->sha1)); preq->url = strbuf_detach(&buf, NULL); - filename = sha1_pack_name(target->sha1); - snprintf(preq->filename, sizeof(preq->filename), "%s", filename); - snprintf(preq->tmpfile, sizeof(preq->tmpfile), "%s.temp", filename); + snprintf(preq->tmpfile, sizeof(preq->tmpfile), "%s.temp", + sha1_pack_name(target->sha1)); preq->packfile = fopen(preq->tmpfile, "a"); if (!preq->packfile) { error("Unable to open local file %s for pack", @@@ -1100,7 -1127,6 +1145,6 @@@ return preq; abort: - free(filename); free(preq->url); free(preq); return NULL; @@@ -1155,7 -1181,6 +1199,6 @@@ struct http_object_request *new_http_ob freq->localfile = -1; filename = sha1_file_name(sha1); - snprintf(freq->filename, sizeof(freq->filename), "%s", filename); snprintf(freq->tmpfile, sizeof(freq->tmpfile), "%s.temp", filename); @@@ -1184,8 -1209,8 +1227,8 @@@ } if (freq->localfile < 0) { - error("Couldn't create temporary file %s for %s: %s", - freq->tmpfile, freq->filename, strerror(errno)); + error("Couldn't create temporary file %s: %s", + freq->tmpfile, strerror(errno)); goto abort; } @@@ -1232,8 -1257,8 +1275,8 @@@ prev_posn = 0; lseek(freq->localfile, 0, SEEK_SET); if (ftruncate(freq->localfile, 0) < 0) { - error("Couldn't truncate temporary file %s for %s: %s", - freq->tmpfile, freq->filename, strerror(errno)); + error("Couldn't truncate temporary file %s: %s", + freq->tmpfile, strerror(errno)); goto abort; } } @@@ -1309,7 -1334,7 +1352,7 @@@ int finish_http_object_request(struct h return -1; } freq->rename = - move_temp_to_file(freq->tmpfile, freq->filename); + move_temp_to_file(freq->tmpfile, sha1_file_name(freq->sha1)); return freq->rename; } diff --combined http.h index 37a6a6a3b0,84bdbd0f76..a0b5901594 --- a/http.h +++ b/http.h @@@ -117,7 -117,6 +117,7 @@@ extern void append_remote_object_url(st int only_two_digit_prefix); extern char *get_remote_object_url(const char *url, const char *hex, int only_two_digit_prefix); +extern void end_url_with_slash(struct strbuf *buf, const char *url); /* Options for http_request_*() */ #define HTTP_NO_CACHE 1 @@@ -127,8 -126,6 +127,8 @@@ #define HTTP_MISSING_TARGET 1 #define HTTP_ERROR 2 #define HTTP_START_FAILED 3 +#define HTTP_REAUTH 4 +#define HTTP_NOAUTH 5 /* * Requests an url and stores the result in a strbuf. @@@ -155,7 -152,6 +155,6 @@@ struct http_pack_reques struct packed_git *target; struct packed_git **lst; FILE *packfile; - char filename[PATH_MAX]; char tmpfile[PATH_MAX]; struct curl_slist *range_header; struct active_request_slot *slot; @@@ -170,7 -166,6 +169,6 @@@ extern void release_http_pack_request(s struct http_object_request { char *url; - char filename[PATH_MAX]; char tmpfile[PATH_MAX]; int localfile; CURLcode curl_result; diff --combined pack.h index d268c014c9,880f9c2930..bb275762b7 --- a/pack.h +++ b/pack.h @@@ -57,10 -57,10 +57,11 @@@ struct pack_idx_entry extern const char *write_idx_file(const char *index_name, struct pack_idx_entry **objects, int nr_objects, unsigned char *sha1); extern int check_pack_crc(struct packed_git *p, struct pack_window **w_curs, off_t offset, off_t len, unsigned int nr); + extern int verify_pack_index(struct packed_git *); extern int verify_pack(struct packed_git *); extern void fixup_pack_header_footer(int, unsigned char *, const char *, uint32_t, unsigned char *, off_t); extern char *index_pack_lockfile(int fd); +extern int encode_in_pack_object_header(enum object_type, uintmax_t, unsigned char *); #define PH_ERROR_EOF (-1) #define PH_ERROR_PACK_SIGNATURE (-2) diff --combined sha1_file.c index b2074e7a8e,9f3f514e71..d8e61a65d1 --- a/sha1_file.c +++ b/sha1_file.c @@@ -35,6 -35,13 +35,6 @@@ static size_t sz_fmt(size_t s) { retur const unsigned char null_sha1[20]; -static inline int offset_1st_component(const char *path) -{ - if (has_dos_drive_prefix(path)) - return 2 + (path[2] == '/'); - return *path == '/'; -} - int safe_create_leading_directories(char *path) { char *pos = path + offset_1st_component(path); @@@ -599,6 -606,14 +599,14 @@@ void unuse_pack(struct pack_window **w_ } } + void close_pack_index(struct packed_git *p) + { + if (p->index_data) { + munmap((void *)p->index_data, p->index_size); + p->index_data = NULL; + } + } + /* * This is used by git-repack in case a newly created pack happens to * contain the same set of objects as an existing one. In that case @@@ -620,8 -635,7 +628,7 @@@ void free_pack_by_name(const char *pack close_pack_windows(p); if (p->pack_fd != -1) close(p->pack_fd); - if (p->index_data) - munmap((void *)p->index_data, p->index_size); + close_pack_index(p); free(p->bad_object_sha1); *pp = p->next; free(p); @@@ -831,9 -845,8 +838,8 @@@ struct packed_git *add_packed_git(cons return p; } - struct packed_git *parse_pack_index(unsigned char *sha1) + struct packed_git *parse_pack_index(unsigned char *sha1, const char *idx_path) { - const char *idx_path = sha1_pack_index_name(sha1); const char *path = sha1_pack_name(sha1); struct packed_git *p = alloc_packed_git(strlen(path) + 1); @@@ -2271,7 -2284,7 +2277,7 @@@ static int create_tmpfile(char *buffer } static int write_loose_object(const unsigned char *sha1, char *hdr, int hdrlen, - void *buf, unsigned long len, time_t mtime) + const void *buf, unsigned long len, time_t mtime) { int fd, ret; unsigned char compressed[4096]; @@@ -2307,7 -2320,7 +2313,7 @@@ git_SHA1_Update(&c, hdr, hdrlen); /* Then the data itself.. */ - stream.next_in = buf; + stream.next_in = (void *)buf; stream.avail_in = len; do { unsigned char *in0 = stream.next_in; @@@ -2342,7 -2355,7 +2348,7 @@@ return move_temp_to_file(tmpfile, filename); } -int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *returnsha1) +int write_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *returnsha1) { unsigned char sha1[20]; char hdr[32]; @@@ -2448,8 -2461,6 +2454,8 @@@ int index_fd(unsigned char *sha1, int f else ret = -1; strbuf_release(&sbuf); + } else if (!size) { + ret = index_mem(sha1, NULL, size, write_object, type, path); } else if (size <= SMALL_FILE_SIZE) { char *buf = xmalloc(size); if (size == read_in_full(fd, buf, size)) @@@ -2458,11 -2469,12 +2464,11 @@@ else ret = error("short read %s", strerror(errno)); free(buf); - } else if (size) { + } else { void *buf = xmmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0); ret = index_mem(sha1, buf, size, write_object, type, path); munmap(buf, size); - } else - ret = index_mem(sha1, NULL, size, write_object, type, path); + } close(fd); return ret; } @@@ -2517,13 -2529,3 +2523,13 @@@ int read_pack_header(int fd, struct pac return PH_ERROR_PROTOCOL; return 0; } + +void assert_sha1_type(const unsigned char *sha1, enum object_type expect) +{ + enum object_type type = sha1_object_info(sha1, NULL); + if (type < 0) + die("%s is not a valid object", sha1_to_hex(sha1)); + if (type != expect) + die("%s is not a valid '%s' object", sha1_to_hex(sha1), + typename(expect)); +}