From: Junio C Hamano Date: Sun, 7 Mar 2010 20:47:15 +0000 (-0800) Subject: Merge branch 'nd/root-git' X-Git-Tag: v1.7.1-rc0~89 X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/c2b456b8956c2091318edaee362119e0e96b86b7?ds=inline;hp=-c Merge branch 'nd/root-git' * nd/root-git: Add test for using Git at root of file system Support working directory located at root Move offset_1st_component() to path.c init-db, rev-parse --git-dir: do not append redundant slash make_absolute_path(): Do not append redundant slash Conflicts: setup.c sha1_file.c --- c2b456b8956c2091318edaee362119e0e96b86b7 diff --combined builtin-rev-parse.c index a8c5043ded,d0ccb4c968..88bad9af3c --- a/builtin-rev-parse.c +++ b/builtin-rev-parse.c @@@ -41,7 -41,6 +41,7 @@@ static int is_rev_argument(const char * "--all", "--bisect", "--dense", + "--branches=", "--branches", "--header", "--max-age=", @@@ -52,11 -51,8 +52,11 @@@ "--objects-edge", "--parents", "--pretty", + "--remotes=", "--remotes", + "--glob=", "--sparse", + "--tags=", "--tags", "--topo-order", "--date-order", @@@ -573,43 -569,18 +573,43 @@@ int cmd_rev_parse(int argc, const char for_each_ref_in("refs/bisect/good", anti_reference, NULL); continue; } + if (!prefixcmp(arg, "--branches=")) { + for_each_glob_ref_in(show_reference, arg + 11, + "refs/heads/", NULL); + continue; + } if (!strcmp(arg, "--branches")) { for_each_branch_ref(show_reference, NULL); continue; } + if (!prefixcmp(arg, "--tags=")) { + for_each_glob_ref_in(show_reference, arg + 7, + "refs/tags/", NULL); + continue; + } if (!strcmp(arg, "--tags")) { for_each_tag_ref(show_reference, NULL); continue; } + if (!prefixcmp(arg, "--glob=")) { + for_each_glob_ref(show_reference, arg + 7, NULL); + continue; + } + if (!prefixcmp(arg, "--remotes=")) { + for_each_glob_ref_in(show_reference, arg + 10, + "refs/remotes/", NULL); + continue; + } if (!strcmp(arg, "--remotes")) { for_each_remote_ref(show_reference, NULL); continue; } + if (!strcmp(arg, "--show-toplevel")) { + const char *work_tree = get_git_work_tree(); + if (work_tree) + puts(work_tree); + continue; + } if (!strcmp(arg, "--show-prefix")) { if (prefix) puts(prefix); @@@ -637,6 -608,7 +637,7 @@@ if (!strcmp(arg, "--git-dir")) { const char *gitdir = getenv(GIT_DIR_ENVIRONMENT); static char cwd[PATH_MAX]; + int len; if (gitdir) { puts(gitdir); continue; @@@ -647,7 -619,8 +648,8 @@@ } if (!getcwd(cwd, PATH_MAX)) die_errno("unable to get current working directory"); - printf("%s/.git\n", cwd); + len = strlen(cwd); + printf("%s%s.git\n", cwd, len && cwd[len-1] != '/' ? "/" : ""); continue; } if (!strcmp(arg, "--is-inside-git-dir")) { diff --combined cache.h index 4d89aa3da4,caf4192b88..c286310ded --- a/cache.h +++ b/cache.h @@@ -177,22 -177,15 +177,22 @@@ struct cache_entry #define CE_HASHED (0x100000) #define CE_UNHASHED (0x200000) +#define CE_CONFLICTED (0x800000) + +/* Only remove in work directory, not index */ +#define CE_WT_REMOVE (0x400000) + +#define CE_UNPACKED (0x1000000) /* * Extended on-disk flags */ #define CE_INTENT_TO_ADD 0x20000000 +#define CE_SKIP_WORKTREE 0x40000000 /* CE_EXTENDED2 is for future extension */ #define CE_EXTENDED2 0x80000000 -#define CE_EXTENDED_FLAGS (CE_INTENT_TO_ADD) +#define CE_EXTENDED_FLAGS (CE_INTENT_TO_ADD | CE_SKIP_WORKTREE) /* * Safeguard to avoid saving wrong flags: @@@ -241,7 -234,6 +241,7 @@@ static inline size_t ce_namelen(const s ondisk_cache_entry_size(ce_namelen(ce))) #define ce_stage(ce) ((CE_STAGEMASK & (ce)->ce_flags) >> CE_STAGESHIFT) #define ce_uptodate(ce) ((ce)->ce_flags & CE_UPTODATE) +#define ce_skip_worktree(ce) ((ce)->ce_flags & CE_SKIP_WORKTREE) #define ce_mark_uptodate(ce) ((ce)->ce_flags |= CE_UPTODATE) #define ce_permissions(mode) (((mode) & 0100) ? 0755 : 0644) @@@ -290,7 -282,6 +290,7 @@@ static inline int ce_to_dtype(const str struct index_state { struct cache_entry **cache; unsigned int cache_nr, cache_alloc, cache_changed; + struct string_list *resolve_undo; struct cache_tree *cache_tree; struct cache_time timestamp; void *alloc; @@@ -345,9 -336,6 +345,9 @@@ static inline void remove_name_hash(str #define ce_modified(ce, st, options) ie_modified(&the_index, (ce), (st), (options)) #define cache_name_exists(name, namelen, igncase) index_name_exists(&the_index, (name), (namelen), (igncase)) #define cache_name_is_other(name, namelen) index_name_is_other(&the_index, (name), (namelen)) +#define resolve_undo_clear() resolve_undo_clear_index(&the_index) +#define unmerge_cache_entry_at(at) unmerge_index_entry_at(&the_index, at) +#define unmerge_cache(pathspec) unmerge_index(&the_index, pathspec) #endif enum object_type { @@@ -457,6 -445,7 +457,6 @@@ extern int index_name_pos(const struct #define ADD_CACHE_JUST_APPEND 8 /* Append only; tree.c::read_tree() */ #define ADD_CACHE_NEW_ONLY 16 /* Do not replace existing ones */ extern int add_index_entry(struct index_state *, struct cache_entry *ce, int option); -extern struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really); extern void rename_index_entry_at(struct index_state *, int pos, const char *new_name); extern int remove_index_entry_at(struct index_state *, int pos); extern void remove_marked_cache_entries(struct index_state *istate); @@@ -475,9 -464,7 +475,9 @@@ extern int index_name_is_other(const st /* do stat comparison even if CE_VALID is true */ #define CE_MATCH_IGNORE_VALID 01 /* do not check the contents but report dirty on racily-clean entries */ -#define CE_MATCH_RACY_IS_DIRTY 02 +#define CE_MATCH_RACY_IS_DIRTY 02 +/* do stat comparison even if CE_SKIP_WORKTREE is true */ +#define CE_MATCH_IGNORE_SKIP_WORKTREE 04 extern int ie_match_stat(const struct index_state *, struct cache_entry *, struct stat *, unsigned int); extern int ie_modified(const struct index_state *, struct cache_entry *, struct stat *, unsigned int); @@@ -486,6 -473,9 +486,6 @@@ extern int index_fd(unsigned char *sha1 extern int index_path(unsigned char *sha1, const char *path, struct stat *st, int write_object); extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st); -/* "careful lstat()" */ -extern int check_path(const char *path, int len, struct stat *st, int skiplen); - #define REFRESH_REALLY 0x0001 /* ignore_valid */ #define REFRESH_UNMERGED 0x0002 /* allow unmerged */ #define REFRESH_QUIET 0x0004 /* be quiet about it */ @@@ -539,7 -529,6 +539,7 @@@ extern int auto_crlf extern int read_replace_refs; extern int fsync_object_files; extern int core_preload_index; +extern int core_apply_sparse_checkout; enum safe_crlf { SAFE_CRLF_FALSE = 0, @@@ -555,7 -544,6 +555,7 @@@ enum branch_track BRANCH_TRACK_REMOTE, BRANCH_TRACK_ALWAYS, BRANCH_TRACK_EXPLICIT, + BRANCH_TRACK_OVERRIDE, }; enum rebase_setup_type { @@@ -630,6 -618,7 +630,6 @@@ static inline void hashclr(unsigned cha { memset(hash, 0, 20); } -extern int is_empty_blob_sha1(const unsigned char *sha1); #define EMPTY_TREE_SHA1_HEX \ "4b825dc642cb6eb9a060e54bf8d69288fbee4904" @@@ -641,10 -630,6 +641,10 @@@ int git_mkstemp(char *path, size_t n, c int git_mkstemps(char *path, size_t n, const char *template, int suffix_len); +/* set default permissions by passing mode arguments to open(2) */ +int git_mkstemps_mode(char *pattern, int suffix_len, int mode); +int git_mkstemp_mode(char *pattern, int mode); + /* * NOTE NOTE NOTE!! * @@@ -679,6 -664,7 +679,7 @@@ 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 *); @@@ -703,6 -689,7 +704,6 @@@ extern int has_sha1_pack(const unsigne extern int has_sha1_file(const unsigned char *sha1); extern int has_loose_object_nonlocal(const unsigned char *sha1); -extern int has_pack_file(const unsigned char *sha1); extern int has_pack_index(const unsigned char *sha1); extern const signed char hexval_table[256]; @@@ -716,11 -703,7 +717,11 @@@ static inline unsigned int hexval(unsig #define DEFAULT_ABBREV 7 extern int get_sha1(const char *str, unsigned char *sha1); -extern int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode); +extern int get_sha1_with_mode_1(const char *str, unsigned char *sha1, unsigned *mode, int gently, const char *prefix); +static inline int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode) +{ + return get_sha1_with_mode_1(str, sha1, mode, 1, NULL); +} extern int get_sha1_hex(const char *hex, unsigned char *sha1); extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */ extern int read_ref(const char *filename, unsigned char *sha1); @@@ -728,7 -711,6 +729,7 @@@ extern const char *resolve_ref(const ch extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref); extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref); extern int interpret_branch_name(const char *str, struct strbuf *); +extern int get_sha1_mb(const char *str, unsigned char *sha1); extern int refname_match(const char *abbrev_name, const char *full_name, const char **rules); extern const char *ref_rev_parse_rules[]; @@@ -779,7 -761,7 +780,7 @@@ extern const char *git_committer_info(i extern const char *fmt_ident(const char *name, const char *email, const char *date_str, int); extern const char *fmt_name(const char *name, const char *email); extern const char *git_editor(void); -extern const char *git_pager(void); +extern const char *git_pager(int stdout_is_tty); struct checkout { const char *base_dir; @@@ -804,6 -786,8 +805,6 @@@ extern int has_symlink_leading_path(con extern int threaded_has_symlink_leading_path(struct cache_def *, const char *, int); extern int has_symlink_or_noent_leading_path(const char *name, int len); extern int has_dirs_only_path(const char *name, int len, int prefix_len); -extern void invalidate_lstat_cache(const char *name, int len); -extern void clear_lstat_cache(void); extern void schedule_dir_for_removal(const char *name, int len); extern void remove_scheduled_dirs(void); @@@ -943,11 -927,7 +944,11 @@@ extern const char *config_exclusive_fil #define MAX_GITNAME (1000) extern char git_default_email[MAX_GITNAME]; extern char git_default_name[MAX_GITNAME]; +#define IDENT_NAME_GIVEN 01 +#define IDENT_MAIL_GIVEN 02 +#define IDENT_ALL_GIVEN (IDENT_NAME_GIVEN|IDENT_MAIL_GIVEN) extern int user_ident_explicitly_given; +extern int user_ident_sufficiently_given(void); extern const char *git_commit_encoding; extern const char *git_log_output_encoding; @@@ -1015,7 -995,6 +1016,7 @@@ extern int diff_auto_refresh_index /* match-trees.c */ void shift_tree(const unsigned char *, const unsigned char *, unsigned char *, int); +void shift_tree_by(const unsigned char *, const unsigned char *, unsigned char *, const char *); /* * whitespace rules. diff --combined path.c index c290e74486,06fd9e0577..b4c8d91722 --- a/path.c +++ b/path.c @@@ -157,85 -157,6 +157,85 @@@ int git_mkstemps(char *path, size_t len return mkstemps(path, suffix_len); } +/* Adapted from libiberty's mkstemp.c. */ + +#undef TMP_MAX +#define TMP_MAX 16384 + +int git_mkstemps_mode(char *pattern, int suffix_len, int mode) +{ + static const char letters[] = + "abcdefghijklmnopqrstuvwxyz" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + "0123456789"; + static const int num_letters = 62; + uint64_t value; + struct timeval tv; + char *template; + size_t len; + int fd, count; + + len = strlen(pattern); + + if (len < 6 + suffix_len) { + errno = EINVAL; + return -1; + } + + if (strncmp(&pattern[len - 6 - suffix_len], "XXXXXX", 6)) { + errno = EINVAL; + return -1; + } + + /* + * Replace pattern's XXXXXX characters with randomness. + * Try TMP_MAX different filenames. + */ + gettimeofday(&tv, NULL); + value = ((size_t)(tv.tv_usec << 16)) ^ tv.tv_sec ^ getpid(); + template = &pattern[len - 6 - suffix_len]; + for (count = 0; count < TMP_MAX; ++count) { + uint64_t v = value; + /* Fill in the random bits. */ + template[0] = letters[v % num_letters]; v /= num_letters; + template[1] = letters[v % num_letters]; v /= num_letters; + template[2] = letters[v % num_letters]; v /= num_letters; + template[3] = letters[v % num_letters]; v /= num_letters; + template[4] = letters[v % num_letters]; v /= num_letters; + template[5] = letters[v % num_letters]; v /= num_letters; + + fd = open(pattern, O_CREAT | O_EXCL | O_RDWR, mode); + if (fd > 0) + return fd; + /* + * Fatal error (EPERM, ENOSPC etc). + * It doesn't make sense to loop. + */ + if (errno != EEXIST) + break; + /* + * This is a random value. It is only necessary that + * the next TMP_MAX values generated by adding 7777 to + * VALUE are different with (module 2^32). + */ + value += 7777; + } + /* We return the null string if we can't find a unique file name. */ + pattern[0] = '\0'; + return -1; +} + +int git_mkstemp_mode(char *pattern, int mode) +{ + /* mkstemp is just mkstemps with no suffix */ + return git_mkstemps_mode(pattern, 0, mode); +} + +int gitmkstemps(char *pattern, int suffix_len) +{ + return git_mkstemps_mode(pattern, suffix_len, 0600); +} + int validate_headref(const char *path) { struct stat st; @@@ -415,7 -336,7 +415,7 @@@ char *enter_repo(char *path, int strict if (access("objects", X_OK) == 0 && access("refs", X_OK) == 0 && validate_headref("HEAD") == 0) { - setenv(GIT_DIR_ENVIRONMENT, ".", 1); + set_git_dir("."); check_repository_format(); return path; } @@@ -689,7 -610,7 +689,7 @@@ int daemon_avoid_alias(const char *p /* * This resurrects the belts and suspenders paranoia check by HPA * done in <435560F7.4080006@zytor.com> thread, now enter_repo() - * does not do getcwd() based path canonicalizations. + * does not do getcwd() based path canonicalization. * * sl becomes true immediately after seeing '/' and continues to * be true as long as dots continue after that without intervening @@@ -728,3 -649,10 +728,10 @@@ } } } + + int offset_1st_component(const char *path) + { + if (has_dos_drive_prefix(path)) + return 2 + is_dir_sep(path[2]); + return is_dir_sep(path[0]); + } diff --combined setup.c index 0717a98d16,3b9efdbaea..5716d90b57 --- a/setup.c +++ b/setup.c @@@ -18,14 -18,15 +18,15 @@@ const char *prefix_path(const char *pre if (normalize_path_copy(sanitized, sanitized)) goto error_out; if (is_absolute_path(orig)) { - size_t len, total; + size_t root_len, len, total; const char *work_tree = get_git_work_tree(); if (!work_tree) goto error_out; len = strlen(work_tree); + root_len = offset_1st_component(work_tree); total = strlen(sanitized) + 1; if (strncmp(sanitized, work_tree, len) || - (sanitized[len] != '\0' && sanitized[len] != '/')) { + (len > root_len && sanitized[len] != '\0' && sanitized[len] != '/')) { error_out: die("'%s' is outside repository", orig); } @@@ -77,18 -78,6 +78,18 @@@ int check_filename(const char *prefix, die_errno("failed to stat '%s'", arg); } +static void NORETURN die_verify_filename(const char *prefix, const char *arg) +{ + unsigned char sha1[20]; + unsigned mode; + /* try a detailed diagnostic ... */ + get_sha1_with_mode_1(arg, sha1, &mode, 0, prefix); + /* ... or fall back the most general message. */ + die("ambiguous argument '%s': unknown revision or path not in the working tree.\n" + "Use '--' to separate paths from revisions", arg); + +} + /* * Verify a filename that we got as an argument for a pathspec * entry. Note that a filename that begins with "-" never verifies @@@ -102,7 -91,8 +103,7 @@@ void verify_filename(const char *prefix die("bad flag '%s' used after filename", arg); if (check_filename(prefix, arg)) return; - die("ambiguous argument '%s': unknown revision or path not in the working tree.\n" - "Use '--' to separate paths from revisions", arg); + die_verify_filename(prefix, arg); } /* @@@ -206,7 -196,7 +207,7 @@@ int is_inside_work_tree(void } /* - * set_work_tree() is only ever called if you set GIT_DIR explicitely. + * set_work_tree() is only ever called if you set GIT_DIR explicitly. * The old behaviour (which we retain here) is to set the work tree root * to the cwd, unless overridden by the config, the command line, or * GIT_WORK_TREE. @@@ -263,8 -253,6 +264,8 @@@ static int check_repository_format_gent const char *read_gitfile_gently(const char *path) { char *buf; + char *dir; + const char *slash; struct stat st; int fd; size_t len; @@@ -289,23 -277,9 +290,23 @@@ if (len < 9) die("No path in gitfile: %s", path); buf[len] = '\0'; - if (!is_git_directory(buf + 8)) - die("Not a git repository: %s", buf + 8); - path = make_absolute_path(buf + 8); + dir = buf + 8; + + if (!is_absolute_path(dir) && (slash = strrchr(path, '/'))) { + size_t pathlen = slash+1 - path; + size_t dirlen = pathlen + len - 8; + dir = xmalloc(dirlen + 1); + strncpy(dir, path, pathlen); + strncpy(dir + pathlen, buf + 8, len - 8); + dir[dirlen] = '\0'; + free(buf); + buf = dir; + } + + if (!is_git_directory(dir)) + die("Not a git repository: %s", dir); + path = make_absolute_path(dir); + free(buf); return path; } @@@ -321,7 -295,7 +322,7 @@@ const char *setup_git_directory_gently( static char cwd[PATH_MAX+1]; const char *gitdirenv; const char *gitfile_dir; - int len, offset, ceil_offset; + int len, offset, ceil_offset, root_len; /* * Let's assume that we are in a git repository. @@@ -403,7 -377,8 +404,8 @@@ if (!work_tree_env) inside_work_tree = 0; if (offset != len) { - cwd[offset] = '\0'; + root_len = offset_1st_component(cwd); + cwd[offset > root_len ? offset : root_len] = '\0'; set_git_dir(cwd); } else set_git_dir("."); @@@ -427,7 -402,8 +429,8 @@@ inside_git_dir = 0; if (!work_tree_env) inside_work_tree = 1; - git_work_tree_cfg = xstrndup(cwd, offset); + root_len = offset_1st_component(cwd); + git_work_tree_cfg = xstrndup(cwd, offset > root_len ? offset : root_len); if (check_repository_format_gently(nongit_ok)) return NULL; if (offset == len) diff --combined sha1_file.c index c23cc5e6e1,923d9d1cd1..a08a9d0880 --- a/sha1_file.c +++ b/sha1_file.c @@@ -35,13 -35,54 +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) -const signed char hexval_table[256] = { - -1, -1, -1, -1, -1, -1, -1, -1, /* 00-07 */ - -1, -1, -1, -1, -1, -1, -1, -1, /* 08-0f */ - -1, -1, -1, -1, -1, -1, -1, -1, /* 10-17 */ - -1, -1, -1, -1, -1, -1, -1, -1, /* 18-1f */ - -1, -1, -1, -1, -1, -1, -1, -1, /* 20-27 */ - -1, -1, -1, -1, -1, -1, -1, -1, /* 28-2f */ - 0, 1, 2, 3, 4, 5, 6, 7, /* 30-37 */ - 8, 9, -1, -1, -1, -1, -1, -1, /* 38-3f */ - -1, 10, 11, 12, 13, 14, 15, -1, /* 40-47 */ - -1, -1, -1, -1, -1, -1, -1, -1, /* 48-4f */ - -1, -1, -1, -1, -1, -1, -1, -1, /* 50-57 */ - -1, -1, -1, -1, -1, -1, -1, -1, /* 58-5f */ - -1, 10, 11, 12, 13, 14, 15, -1, /* 60-67 */ - -1, -1, -1, -1, -1, -1, -1, -1, /* 68-67 */ - -1, -1, -1, -1, -1, -1, -1, -1, /* 70-77 */ - -1, -1, -1, -1, -1, -1, -1, -1, /* 78-7f */ - -1, -1, -1, -1, -1, -1, -1, -1, /* 80-87 */ - -1, -1, -1, -1, -1, -1, -1, -1, /* 88-8f */ - -1, -1, -1, -1, -1, -1, -1, -1, /* 90-97 */ - -1, -1, -1, -1, -1, -1, -1, -1, /* 98-9f */ - -1, -1, -1, -1, -1, -1, -1, -1, /* a0-a7 */ - -1, -1, -1, -1, -1, -1, -1, -1, /* a8-af */ - -1, -1, -1, -1, -1, -1, -1, -1, /* b0-b7 */ - -1, -1, -1, -1, -1, -1, -1, -1, /* b8-bf */ - -1, -1, -1, -1, -1, -1, -1, -1, /* c0-c7 */ - -1, -1, -1, -1, -1, -1, -1, -1, /* c8-cf */ - -1, -1, -1, -1, -1, -1, -1, -1, /* d0-d7 */ - -1, -1, -1, -1, -1, -1, -1, -1, /* d8-df */ - -1, -1, -1, -1, -1, -1, -1, -1, /* e0-e7 */ - -1, -1, -1, -1, -1, -1, -1, -1, /* e8-ef */ - -1, -1, -1, -1, -1, -1, -1, -1, /* f0-f7 */ - -1, -1, -1, -1, -1, -1, -1, -1, /* f8-ff */ -}; - -int get_sha1_hex(const char *hex, unsigned char *sha1) --{ - if (has_dos_drive_prefix(path)) - return 2 + (path[2] == '/'); - return *path == '/'; - int i; - for (i = 0; i < 20; i++) { - unsigned int val = (hexval(hex[0]) << 4) | hexval(hex[1]); - if (val & ~0xff) - return -1; - *sha1++ = val; - hex += 2; - } - return 0; --} -- int safe_create_leading_directories(char *path) { char *pos = path + offset_1st_component(path); @@@ -85,6 -126,24 +78,6 @@@ int safe_create_leading_directories_con return result; } -char *sha1_to_hex(const unsigned char *sha1) -{ - static int bufno; - static char hexbuffer[4][50]; - static const char hex[] = "0123456789abcdef"; - char *buffer = hexbuffer[3 & ++bufno], *buf = buffer; - int i; - - for (i = 0; i < 20; i++) { - unsigned int val = *sha1++; - *buf++ = hex[val >> 4]; - *buf++ = hex[val & 0xf]; - } - *buf = '\0'; - - return buffer; -} - static void fill_sha1_path(char *pathbuf, const unsigned char *sha1) { int i; @@@ -2206,7 -2265,7 +2199,7 @@@ int move_temp_to_file(const char *tmpfi } out: - if (set_shared_perm(filename, (S_IFREG|0444))) + if (adjust_shared_perm(filename)) return error("unable to set permission to '%s'", filename); return 0; } @@@ -2262,7 -2321,7 +2255,7 @@@ static int create_tmpfile(char *buffer } memcpy(buffer, filename, dirlen); strcpy(buffer + dirlen, "tmp_obj_XXXXXX"); - fd = mkstemp(buffer); + fd = git_mkstemp_mode(buffer, 0444); if (fd < 0 && dirlen && errno == ENOENT) { /* Make sure the directory exists */ memcpy(buffer, filename, dirlen); @@@ -2272,7 -2331,7 +2265,7 @@@ /* Try again */ strcpy(buffer + dirlen - 1, "/tmp_obj_XXXXXX"); - fd = mkstemp(buffer); + fd = git_mkstemp_mode(buffer, 0444); } return fd; } @@@ -2281,10 -2340,9 +2274,10 @@@ static int write_loose_object(const uns void *buf, unsigned long len, time_t mtime) { int fd, ret; - size_t size; - unsigned char *compressed; + unsigned char compressed[4096]; z_stream stream; + git_SHA_CTX c; + unsigned char parano_sha1[20]; char *filename; static char tmpfile[PATH_MAX]; @@@ -2302,40 -2360,36 +2295,40 @@@ /* Set it up */ memset(&stream, 0, sizeof(stream)); deflateInit(&stream, zlib_compression_level); - size = 8 + deflateBound(&stream, len+hdrlen); - compressed = xmalloc(size); - - /* Compress it */ stream.next_out = compressed; - stream.avail_out = size; + stream.avail_out = sizeof(compressed); + git_SHA1_Init(&c); /* First header.. */ stream.next_in = (unsigned char *)hdr; stream.avail_in = hdrlen; while (deflate(&stream, 0) == Z_OK) /* nothing */; + git_SHA1_Update(&c, hdr, hdrlen); /* Then the data itself.. */ stream.next_in = buf; stream.avail_in = len; - ret = deflate(&stream, Z_FINISH); + do { + unsigned char *in0 = stream.next_in; + ret = deflate(&stream, Z_FINISH); + git_SHA1_Update(&c, in0, stream.next_in - in0); + if (write_buffer(fd, compressed, stream.next_out - compressed) < 0) + die("unable to write sha1 file"); + stream.next_out = compressed; + stream.avail_out = sizeof(compressed); + } while (ret == Z_OK); + if (ret != Z_STREAM_END) die("unable to deflate new object %s (%d)", sha1_to_hex(sha1), ret); - ret = deflateEnd(&stream); if (ret != Z_OK) die("deflateEnd on object %s failed (%d)", sha1_to_hex(sha1), ret); + git_SHA1_Final(parano_sha1, &c); + if (hashcmp(sha1, parano_sha1) != 0) + die("confused by unstable object source data for %s", sha1_to_hex(sha1)); - size = stream.total_out; - - if (write_buffer(fd, compressed, size) < 0) - die("unable to write sha1 file"); close_sha1_file(fd); - free(compressed); if (mtime) { struct utimbuf utb; @@@ -2395,6 -2449,14 +2388,6 @@@ int has_pack_index(const unsigned char return 1; } -int has_pack_file(const unsigned char *sha1) -{ - struct stat st; - if (stat(sha1_pack_name(sha1), &st)) - return 0; - return 1; -} - int has_sha1_pack(const unsigned char *sha1) { struct pack_entry e; @@@ -2439,8 -2501,6 +2432,8 @@@ static int index_mem(unsigned char *sha return ret; } +#define SMALL_FILE_SIZE (32*1024) + int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object, enum object_type type, const char *path) { @@@ -2455,14 -2515,6 +2448,14 @@@ else ret = -1; strbuf_release(&sbuf); + } else if (size <= SMALL_FILE_SIZE) { + char *buf = xmalloc(size); + if (size == read_in_full(fd, buf, size)) + ret = index_mem(sha1, buf, size, write_object, type, + path); + else + ret = error("short read %s", strerror(errno)); + free(buf); } else if (size) { void *buf = xmmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0); ret = index_mem(sha1, buf, size, write_object, type, path);