From: Junio C Hamano Date: Sun, 30 Jul 2017 22:01:31 +0000 (-0700) Subject: Merge tag 'v2.10.4' into maint-2.11 X-Git-Tag: v2.11.3~1 X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/05bb78abc179b47f6288b990c1ba8f3d403cad1d?hp=-c Merge tag 'v2.10.4' into maint-2.11 Git 2.10.4 --- 05bb78abc179b47f6288b990c1ba8f3d403cad1d diff --combined cache.h index 5c035dae57,2125eb50d0..aaf56955fe --- a/cache.h +++ b/cache.h @@@ -173,7 -173,7 +173,7 @@@ struct cache_entry unsigned int ce_flags; unsigned int ce_namelen; unsigned int index; /* for link extension */ - unsigned char sha1[20]; + struct object_id oid; char name[FLEX_ARRAY]; /* more */ }; @@@ -409,7 -409,6 +409,7 @@@ static inline enum object_type object_t #define GIT_NAMESPACE_ENVIRONMENT "GIT_NAMESPACE" #define GIT_WORK_TREE_ENVIRONMENT "GIT_WORK_TREE" #define GIT_PREFIX_ENVIRONMENT "GIT_PREFIX" +#define GIT_SUPER_PREFIX_ENVIRONMENT "GIT_INTERNAL_SUPER_PREFIX" #define DEFAULT_GIT_DIR_ENVIRONMENT ".git" #define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY" #define INDEX_ENVIRONMENT "GIT_INDEX_FILE" @@@ -434,7 -433,6 +434,7 @@@ #define GIT_GLOB_PATHSPECS_ENVIRONMENT "GIT_GLOB_PATHSPECS" #define GIT_NOGLOB_PATHSPECS_ENVIRONMENT "GIT_NOGLOB_PATHSPECS" #define GIT_ICASE_PATHSPECS_ENVIRONMENT "GIT_ICASE_PATHSPECS" +#define GIT_QUARANTINE_ENVIRONMENT "GIT_QUARANTINE_PATH" /* * This environment variable is expected to contain a boolean indicating @@@ -456,12 -454,6 +456,12 @@@ */ extern const char * const local_repo_env[]; +/* + * Returns true iff we have a configured git repository (either via + * setup_git_directory, or in the environment via $GIT_DIR). + */ +int have_git_dir(void); + extern int is_bare_repository_cfg; extern int is_bare_repository(void); extern int is_inside_git_dir(void); @@@ -477,7 -469,6 +477,7 @@@ extern int get_common_dir_noenv(struct extern int get_common_dir(struct strbuf *sb, const char *gitdir); extern const char *get_git_namespace(void); extern const char *strip_namespace(const char *namespaced_ref); +extern const char *get_super_prefix(void); extern const char *get_git_work_tree(void); /* @@@ -529,10 -520,9 +529,10 @@@ extern void verify_non_filename(const c extern int path_inside_repo(const char *prefix, const char *path); #define INIT_DB_QUIET 0x0001 +#define INIT_DB_EXIST_OK 0x0002 -extern int set_git_dir_init(const char *git_dir, const char *real_git_dir, int); -extern int init_db(const char *template_dir, unsigned int flags); +extern int init_db(const char *git_dir, const char *real_git_dir, + const char *template_dir, unsigned int flags); extern void sanitize_stdfds(void); extern int daemonize(void); @@@ -575,26 -565,7 +575,26 @@@ extern int verify_path(const char *path extern int index_dir_exists(struct index_state *istate, const char *name, int namelen); extern void adjust_dirname_case(struct index_state *istate, char *name); extern struct cache_entry *index_file_exists(struct index_state *istate, const char *name, int namelen, int igncase); + +/* + * Searches for an entry defined by name and namelen in the given index. + * If the return value is positive (including 0) it is the position of an + * exact match. If the return value is negative, the negated value minus 1 + * is the position where the entry would be inserted. + * Example: The current index consists of these files and its stages: + * + * b#0, d#0, f#1, f#3 + * + * index_name_pos(&index, "a", 1) -> -1 + * index_name_pos(&index, "b", 1) -> 0 + * index_name_pos(&index, "c", 1) -> -2 + * index_name_pos(&index, "d", 1) -> 1 + * index_name_pos(&index, "e", 1) -> -3 + * index_name_pos(&index, "f", 1) -> -3 + * index_name_pos(&index, "g", 1) -> -5 + */ extern int index_name_pos(const struct index_state *, const char *name, int namelen); + #define ADD_CACHE_OK_TO_ADD 1 /* Ok to add */ #define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */ #define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */ @@@ -603,10 -574,7 +603,10 @@@ #define ADD_CACHE_KEEP_CACHE_TREE 32 /* Do not invalidate cache-tree */ extern int add_index_entry(struct index_state *, struct cache_entry *ce, int option); extern void rename_index_entry_at(struct index_state *, int pos, const char *new_name); + +/* Remove entry, return true if there are more entries to go. */ extern int remove_index_entry_at(struct index_state *, int pos); + extern void remove_marked_cache_entries(struct index_state *istate); extern int remove_file_from_index(struct index_state *, const char *path); #define ADD_CACHE_VERBOSE 1 @@@ -614,18 -582,8 +614,18 @@@ #define ADD_CACHE_IGNORE_ERRORS 4 #define ADD_CACHE_IGNORE_REMOVAL 8 #define ADD_CACHE_INTENT 16 +/* + * These two are used to add the contents of the file at path + * to the index, marking the working tree up-to-date by storing + * the cached stat info in the resulting cache entry. A caller + * that has already run lstat(2) on the path can call + * add_to_index(), and all others can call add_file_to_index(); + * the latter will do necessary lstat(2) internally before + * calling the former. + */ extern int add_to_index(struct index_state *, const char *path, struct stat *, int flags); extern int add_file_to_index(struct index_state *, const char *path, int flags); + extern struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, unsigned int refresh_options); extern int chmod_index_entry(struct index_state *, struct cache_entry *ce, char flip); extern int ce_same_name(const struct cache_entry *a, const struct cache_entry *b); @@@ -702,22 -660,15 +702,22 @@@ extern const char *git_attributes_file extern const char *git_hooks_path; extern int zlib_compression_level; extern int core_compression_level; -extern int core_compression_seen; +extern int pack_compression_level; extern size_t packed_git_window_size; extern size_t packed_git_limit; extern size_t delta_base_cache_limit; extern unsigned long big_file_threshold; extern unsigned long pack_size_limit_cfg; +/* + * Accessors for the core.sharedrepository config which lazy-load the value + * from the config (if not already set). The "reset" function can be + * used to unset "set" or cached value, meaning that the value will be loaded + * fresh from the config file on the next call to get_shared_repository(). + */ void set_shared_repository(int value); int get_shared_repository(void); +void reset_shared_repository(void); /* * Do replace refs need to be checked this run? This variable is @@@ -870,8 -821,8 +870,8 @@@ extern void strbuf_git_common_path(stru __attribute__((format (printf, 2, 3))); extern char *git_path_buf(struct strbuf *buf, const char *fmt, ...) __attribute__((format (printf, 2, 3))); -extern void strbuf_git_path_submodule(struct strbuf *sb, const char *path, - const char *fmt, ...) +extern int strbuf_git_path_submodule(struct strbuf *sb, const char *path, + const char *fmt, ...) __attribute__((format (printf, 3, 4))); extern char *git_pathdup(const char *fmt, ...) __attribute__((format (printf, 1, 2))); @@@ -935,8 -886,8 +935,8 @@@ extern char *sha1_pack_index_name(cons * The result will be at least `len` characters long, and will be NUL * terminated. * - * The non-`_r` version returns a static buffer which will be overwritten by - * subsequent calls. + * The non-`_r` version returns a static buffer which remains valid until 4 + * more calls to find_unique_abbrev are made. * * The `_r` variant writes to a buffer supplied by the caller, which must be at * least `GIT_SHA1_HEXSZ + 1` bytes. The return value is the number of bytes @@@ -1004,39 -955,22 +1004,39 @@@ static inline void oidclr(struct object #define EMPTY_TREE_SHA1_BIN_LITERAL \ "\x4b\x82\x5d\xc6\x42\xcb\x6e\xb9\xa0\x60" \ "\xe5\x4b\xf8\xd6\x92\x88\xfb\xee\x49\x04" -#define EMPTY_TREE_SHA1_BIN \ - ((const unsigned char *) EMPTY_TREE_SHA1_BIN_LITERAL) +extern const struct object_id empty_tree_oid; +#define EMPTY_TREE_SHA1_BIN (empty_tree_oid.hash) #define EMPTY_BLOB_SHA1_HEX \ "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391" #define EMPTY_BLOB_SHA1_BIN_LITERAL \ "\xe6\x9d\xe2\x9b\xb2\xd1\xd6\x43\x4b\x8b" \ "\x29\xae\x77\x5a\xd8\xc2\xe4\x8c\x53\x91" -#define EMPTY_BLOB_SHA1_BIN \ - ((const unsigned char *) EMPTY_BLOB_SHA1_BIN_LITERAL) +extern const struct object_id empty_blob_oid; +#define EMPTY_BLOB_SHA1_BIN (empty_blob_oid.hash) + static inline int is_empty_blob_sha1(const unsigned char *sha1) { return !hashcmp(sha1, EMPTY_BLOB_SHA1_BIN); } +static inline int is_empty_blob_oid(const struct object_id *oid) +{ + return !hashcmp(oid->hash, EMPTY_BLOB_SHA1_BIN); +} + +static inline int is_empty_tree_sha1(const unsigned char *sha1) +{ + return !hashcmp(sha1, EMPTY_TREE_SHA1_BIN); +} + +static inline int is_empty_tree_oid(const struct object_id *oid) +{ + return !hashcmp(oid->hash, EMPTY_TREE_SHA1_BIN); +} + + int git_mkstemp(char *path, size_t n, const char *template); /* set default permissions by passing mode arguments to open(2) */ @@@ -1108,6 -1042,14 +1108,14 @@@ char *strip_path_suffix(const char *pat int daemon_avoid_alias(const char *path); extern int is_ntfs_dotgit(const char *name); + /* + * Returns true iff "str" could be confused as a command-line option when + * passed to a sub-program like "ssh". Note that this has nothing to do with + * shell-quoting, which should be handled separately; we're assuming here that + * the string makes it verbatim to the sub-program. + */ + int looks_like_command_line_option(const char *str); + /** * Return a newly allocated string with the evaluation of * "$XDG_CONFIG_HOME/git/$filename" if $XDG_CONFIG_HOME is non-empty, otherwise @@@ -1157,7 -1099,7 +1165,7 @@@ extern int write_sha1_file(const void * extern int hash_sha1_file_literally(const void *buf, unsigned long len, const char *type, unsigned char *sha1, unsigned flags); 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); -extern int git_open_noatime(const char *name); +extern int git_open(const char *name); extern void *map_sha1_file(const unsigned char *sha1, unsigned long *size); extern int unpack_sha1_header(git_zstream *stream, unsigned char *map, unsigned long mapsize, void *buffer, unsigned long bufsiz); extern int parse_sha1_header(const char *hdr, unsigned long *sizep); @@@ -1222,9 -1164,6 +1230,9 @@@ static inline int hex2chr(const char *s #define MINIMUM_ABBREV minimum_abbrev #define DEFAULT_ABBREV default_abbrev +/* used when the code does not know or care what the default abbrev is */ +#define FALLBACK_DEFAULT_ABBREV 7 + struct object_context { unsigned char tree[20]; char path[PATH_MAX]; @@@ -1245,11 -1184,6 +1253,11 @@@ #define GET_SHA1_FOLLOW_SYMLINKS 0100 #define GET_SHA1_ONLY_TO_DIE 04000 +#define GET_SHA1_DISAMBIGUATORS \ + (GET_SHA1_COMMIT | GET_SHA1_COMMITTISH | \ + GET_SHA1_TREE | GET_SHA1_TREEISH | \ + GET_SHA1_BLOB) + extern int get_sha1(const char *str, unsigned char *sha1); extern int get_sha1_commit(const char *str, unsigned char *sha1); extern int get_sha1_committish(const char *str, unsigned char *sha1); @@@ -1264,8 -1198,6 +1272,8 @@@ extern int get_oid(const char *str, str typedef int each_abbrev_fn(const unsigned char *sha1, void *); extern int for_each_abbrev(const char *prefix, each_abbrev_fn, void *); +extern int set_disambiguate_hint_config(const char *var, const char *value); + /* * Try to read a SHA1 in hexadecimal format from the 40 characters * starting at hex. Write the 20-byte result to sha1 in binary form. @@@ -1293,7 -1225,7 +1301,7 @@@ extern char *sha1_to_hex(const unsigne extern char *oid_to_hex(const struct object_id *oid); /* same static buffer as sha1_to_hex */ extern int interpret_branch_name(const char *str, int len, struct strbuf *); -extern int get_sha1_mb(const char *str, unsigned char *sha1); +extern int get_oid_mb(const char *str, struct object_id *oid); extern int validate_headref(const char *ref); @@@ -1403,7 -1335,6 +1411,7 @@@ struct checkout not_new:1, refresh_cache:1; }; +#define CHECKOUT_INIT { NULL, "" } #define TEMPORARY_FILENAME_LENGTH 25 extern int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *topath); @@@ -1429,46 -1360,15 +1437,46 @@@ extern void remove_scheduled_dirs(void) extern struct alternate_object_database { struct alternate_object_database *next; - char *name; - char base[FLEX_ARRAY]; /* more */ + + /* see alt_scratch_buf() */ + struct strbuf scratch; + size_t base_len; + + char path[FLEX_ARRAY]; } *alt_odb_list; extern void prepare_alt_odb(void); extern void read_info_alternates(const char * relative_base, int depth); -extern void add_to_alternates_file(const char *reference); +extern char *compute_alternate_path(const char *path, struct strbuf *err); typedef int alt_odb_fn(struct alternate_object_database *, void *); extern int foreach_alt_odb(alt_odb_fn, void*); +/* + * Allocate a "struct alternate_object_database" but do _not_ actually + * add it to the list of alternates. + */ +struct alternate_object_database *alloc_alt_odb(const char *dir); + +/* + * Add the directory to the on-disk alternates file; the new entry will also + * take effect in the current process. + */ +extern void add_to_alternates_file(const char *dir); + +/* + * Add the directory to the in-memory list of alternates (along with any + * recursive alternates it points to), but do not modify the on-disk alternates + * file. + */ +extern void add_to_alternates_memory(const char *dir); + +/* + * Returns a scratch strbuf pre-filled with the alternate object directory, + * including a trailing slash, which can be used to access paths in the + * alternate. Always use this over direct access to alt->scratch, as it + * cleans up any previous use of the scratch buffer. + */ +extern struct strbuf *alt_scratch_buf(struct alternate_object_database *alt); + struct pack_window { struct pack_window *next; unsigned char *base; @@@ -1525,12 -1425,6 +1533,12 @@@ extern void prepare_packed_git(void) extern void reprepare_packed_git(void); extern void install_packed_git(struct packed_git *pack); +/* + * Give a rough count of objects in the repository. This sacrifices accuracy + * for speed. + */ +unsigned long approximate_object_count(void); + extern struct packed_git *find_sha1_pack(const unsigned char *sha1, struct packed_git *packs); @@@ -1677,15 -1571,7 +1685,15 @@@ struct object_info } packed; } u; }; + +/* + * Initializer for a "struct object_info" that wants no items. You may + * also memset() the memory to all-zeroes. + */ +#define OBJECT_INFO_INIT {NULL} + extern int sha1_object_info_extended(const unsigned char *, struct object_info *, unsigned flags); +extern int packed_object_info(struct packed_git *pack, off_t offset, struct object_info *); /* Dumb servers support */ extern int update_server_info(int); @@@ -1920,6 -1806,7 +1928,6 @@@ extern void write_file(const char *path /* pager.c */ extern void setup_pager(void); -extern const char *pager_program; extern int pager_in_use(void); extern int pager_use_color; extern int term_columns(void); diff --combined connect.c index 8cb93b0720,048fa04917..ea316c485a --- a/connect.c +++ b/connect.c @@@ -43,14 -43,14 +43,14 @@@ int check_ref_type(const struct ref *re return check_ref(ref->name, flags); } -static void die_initial_contact(int got_at_least_one_head) +static void die_initial_contact(int unexpected) { - if (got_at_least_one_head) - die("The remote end hung up upon initial contact"); + if (unexpected) + die(_("The remote end hung up upon initial contact")); else - die("Could not read from remote repository.\n\n" - "Please make sure you have the correct access rights\n" - "and the repository exists."); + die(_("Could not read from remote repository.\n\n" + "Please make sure you have the correct access rights\n" + "and the repository exists.")); } static void parse_one_symref_info(struct string_list *symref, const char *val, int len) @@@ -115,18 -115,10 +115,18 @@@ struct ref **get_remote_heads(int in, c struct sha1_array *shallow_points) { struct ref **orig_list = list; - int got_at_least_one_head = 0; + + /* + * A hang-up after seeing some response from the other end + * means that it is unexpected, as we know the other end is + * willing to talk to us. A hang-up before seeing any + * response does not necessarily mean an ACL problem, though. + */ + int saw_response; + int got_dummy_ref_with_capabilities_declaration = 0; *list = NULL; - for (;;) { + for (saw_response = 0; ; saw_response = 1) { struct ref *ref; struct object_id old_oid; char *name; @@@ -139,7 -131,7 +139,7 @@@ PACKET_READ_GENTLE_ON_EOF | PACKET_READ_CHOMP_NEWLINE); if (len < 0) - die_initial_contact(got_at_least_one_head); + die_initial_contact(saw_response); if (!len) break; @@@ -173,25 -165,13 +173,25 @@@ continue; } + if (!strcmp(name, "capabilities^{}")) { + if (saw_response) + die("protocol error: unexpected capabilities^{}"); + if (got_dummy_ref_with_capabilities_declaration) + die("protocol error: multiple capabilities^{}"); + got_dummy_ref_with_capabilities_declaration = 1; + continue; + } + if (!check_ref(name, flags)) continue; + + if (got_dummy_ref_with_capabilities_declaration) + die("protocol error: unexpected ref after capabilities^{}"); + ref = alloc_ref(buffer + GIT_SHA1_HEXSZ + 1); oidcpy(&ref->old_oid, &old_oid); *list = ref; list = &ref->next; - got_at_least_one_head = 1; } annotate_refs_with_symref_info(*orig_list); @@@ -577,6 -557,11 +577,11 @@@ static struct child_process *git_proxy_ get_host_and_port(&host, &port); + if (looks_like_command_line_option(host)) + die("strange hostname '%s' blocked", host); + if (looks_like_command_line_option(port)) + die("strange port '%s' blocked", port); + proxy = xmalloc(sizeof(*proxy)); child_process_init(proxy); argv_array_push(&proxy->args, git_proxy_command); @@@ -750,7 -735,7 +755,7 @@@ struct child_process *git_connect(int f * Note: Do not add any other headers here! Doing so * will cause older git-daemon servers to crash. */ - packet_write(fd[1], + packet_write_fmt(fd[1], "%s %s%chost=%s%c", prog, path, 0, target_host, 0); @@@ -759,6 -744,9 +764,9 @@@ conn = xmalloc(sizeof(*conn)); child_process_init(conn); + if (looks_like_command_line_option(path)) + die("strange pathname '%s' blocked", path); + strbuf_addstr(&cmd, prog); strbuf_addch(&cmd, ' '); sq_quote_buf(&cmd, path); @@@ -791,6 -779,9 +799,9 @@@ return NULL; } + if (looks_like_command_line_option(ssh_host)) + die("strange hostname '%s' blocked", ssh_host); + ssh = get_ssh_command(); if (!ssh) { const char *base; diff --combined path.c index efcedafba6,6d4b007f4a..897b3417d4 --- a/path.c +++ b/path.c @@@ -6,7 -6,6 +6,7 @@@ #include "string-list.h" #include "dir.h" #include "worktree.h" +#include "submodule-config.h" static int get_st_mode_bits(const char *path, int *mode) { @@@ -470,16 -469,12 +470,16 @@@ const char *worktree_git_path(const str return pathname->buf; } -static void do_submodule_path(struct strbuf *buf, const char *path, - const char *fmt, va_list args) +/* Returns 0 on success, negative on failure. */ +#define SUBMODULE_PATH_ERR_NOT_CONFIGURED -1 +static int do_submodule_path(struct strbuf *buf, const char *path, + const char *fmt, va_list args) { const char *git_dir; struct strbuf git_submodule_common_dir = STRBUF_INIT; struct strbuf git_submodule_dir = STRBUF_INIT; + const struct submodule *sub; + int err = 0; strbuf_addstr(buf, path); strbuf_complete(buf, '/'); @@@ -490,17 -485,6 +490,17 @@@ strbuf_reset(buf); strbuf_addstr(buf, git_dir); } + if (!is_git_directory(buf->buf)) { + gitmodules_config(); + sub = submodule_from_path(null_sha1, path); + if (!sub) { + err = SUBMODULE_PATH_ERR_NOT_CONFIGURED; + goto cleanup; + } + strbuf_reset(buf); + strbuf_git_path(buf, "%s/%s", "modules", sub->name); + } + strbuf_addch(buf, '/'); strbuf_addbuf(&git_submodule_dir, buf); @@@ -511,38 -495,27 +511,38 @@@ strbuf_cleanup_path(buf); +cleanup: strbuf_release(&git_submodule_dir); strbuf_release(&git_submodule_common_dir); + + return err; } char *git_pathdup_submodule(const char *path, const char *fmt, ...) { + int err; va_list args; struct strbuf buf = STRBUF_INIT; va_start(args, fmt); - do_submodule_path(&buf, path, fmt, args); + err = do_submodule_path(&buf, path, fmt, args); va_end(args); + if (err) { + strbuf_release(&buf); + return NULL; + } return strbuf_detach(&buf, NULL); } -void strbuf_git_path_submodule(struct strbuf *buf, const char *path, - const char *fmt, ...) +int strbuf_git_path_submodule(struct strbuf *buf, const char *path, + const char *fmt, ...) { + int err; va_list args; va_start(args, fmt); - do_submodule_path(buf, path, fmt, args); + err = do_submodule_path(buf, path, fmt, args); va_end(args); + + return err; } static void do_git_common_path(struct strbuf *buf, @@@ -991,7 -964,7 +991,7 @@@ const char *remove_leading_path(const c * * Performs the following normalizations on src, storing the result in dst: * - Ensures that components are separated by '/' (Windows only) - * - Squashes sequences of '/'. + * - Squashes sequences of '/' except "//server/share" on Windows * - Removes "." components. * - Removes ".." components, and the components the precede them. * Returns failure (non-zero) if a ".." component appears as first path @@@ -1014,22 -987,17 +1014,22 @@@ int normalize_path_copy_len(char *dst, const char *src, int *prefix_len) { char *dst0; - int i; + const char *end; - for (i = has_dos_drive_prefix(src); i > 0; i--) - *dst++ = *src++; + /* + * Copy initial part of absolute path: "/", "C:/", "//server/share/". + */ + end = src + offset_1st_component(src); + while (src < end) { + char c = *src++; + if (is_dir_sep(c)) + c = '/'; + *dst++ = c; + } dst0 = dst; - if (is_dir_sep(*src)) { - *dst++ = '/'; - while (is_dir_sep(*src)) - src++; - } + while (is_dir_sep(*src)) + src++; for (;;) { char c = *src; @@@ -1257,6 -1225,11 +1257,11 @@@ int is_ntfs_dotgit(const char *name } } + int looks_like_command_line_option(const char *str) + { + return str && str[0] == '-'; + } + char *xdg_config_home(const char *filename) { const char *home, *config_home;