From: Junio C Hamano Date: Tue, 1 Aug 2017 19:27:31 +0000 (-0700) Subject: Merge tag 'v2.12.4' into maint X-Git-Tag: v2.13.5~1 X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/e312af164c12052b7a0dbf8f7b86549a3c5b578f?ds=inline;hp=-c Merge tag 'v2.12.4' into maint --- e312af164c12052b7a0dbf8f7b86549a3c5b578f diff --combined cache.h index 52b91f5b64,1c4686a7ac..c1041cc02b --- a/cache.h +++ b/cache.h @@@ -10,8 -10,8 +10,8 @@@ #include "trace.h" #include "string-list.h" #include "pack-revindex.h" +#include "hash.h" -#include SHA1_HEADER #ifndef platform_SHA_CTX /* * platform's underlying implementation of SHA-1; could be OpenSSL, @@@ -66,12 -66,8 +66,12 @@@ unsigned long git_deflate_bound(git_zst #define GIT_SHA1_RAWSZ 20 #define GIT_SHA1_HEXSZ (2 * GIT_SHA1_RAWSZ) +/* The length in byte and in hex digits of the largest possible hash value. */ +#define GIT_MAX_RAWSZ GIT_SHA1_RAWSZ +#define GIT_MAX_HEXSZ GIT_SHA1_HEXSZ + struct object_id { - unsigned char hash[GIT_SHA1_RAWSZ]; + unsigned char hash[GIT_MAX_RAWSZ]; }; #if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT) @@@ -347,7 -343,6 +347,7 @@@ struct index_state extern struct index_state the_index; /* Name hashing */ +extern int test_lazy_init_name_hash(struct index_state *istate, int try_threaded); extern void add_name_hash(struct index_state *istate, struct cache_entry *ce); extern void remove_name_hash(struct index_state *istate, struct cache_entry *ce); extern void free_name_hash(struct index_state *istate); @@@ -415,7 -410,6 +415,7 @@@ static inline enum object_type object_t #define GIT_WORK_TREE_ENVIRONMENT "GIT_WORK_TREE" #define GIT_PREFIX_ENVIRONMENT "GIT_PREFIX" #define GIT_SUPER_PREFIX_ENVIRONMENT "GIT_INTERNAL_SUPER_PREFIX" +#define GIT_TOPLEVEL_PREFIX_ENVIRONMENT "GIT_INTERNAL_TOPLEVEL_PREFIX" #define DEFAULT_GIT_DIR_ENVIRONMENT ".git" #define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY" #define INDEX_ENVIRONMENT "GIT_INDEX_FILE" @@@ -524,30 -518,11 +524,30 @@@ extern void set_git_work_tree(const cha #define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES" extern void setup_work_tree(void); +/* + * Find GIT_DIR of the repository that contains the current working directory, + * without changing the working directory or other global state. The result is + * appended to gitdir. The return value is either NULL if no repository was + * found, or pointing to the path inside gitdir's buffer. + */ +extern const char *discover_git_directory(struct strbuf *gitdir); extern const char *setup_git_directory_gently(int *); extern const char *setup_git_directory(void); extern char *prefix_path(const char *prefix, int len, const char *path); extern char *prefix_path_gently(const char *prefix, int len, int *remaining, const char *path); -extern const char *prefix_filename(const char *prefix, int len, const char *path); + +/* + * Concatenate "prefix" (if len is non-zero) and "path", with no + * connecting characters (so "prefix" should end with a "/"). + * Unlike prefix_path, this should be used if the named file does + * not have to interact with index entry; i.e. name of a random file + * on the filesystem. + * + * The return value is always a newly allocated string (even if the + * prefix was empty). + */ +extern char *prefix_filename(const char *prefix, const char *path); + extern int check_filename(const char *prefix, const char *name); extern void verify_filename(const char *prefix, const char *name, @@@ -599,7 -574,6 +599,7 @@@ extern int write_locked_index(struct in extern int discard_index(struct index_state *); extern int unmerged_index(const struct index_state *); extern int verify_path(const char *path); +extern int strcmp_offset(const char *s1, const char *s2, size_t *first_change); 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); @@@ -711,8 -685,6 +711,8 @@@ extern void update_index_if_able(struc extern int hold_locked_index(struct lock_file *, int); extern void set_alternate_index_output(const char *); +extern int verify_index_checksum; + /* Environment bits from configuration mechanism */ extern int trust_executable_bit; extern int trust_ctime; @@@ -985,7 -957,7 +985,7 @@@ extern char *sha1_pack_index_name(cons extern const char *find_unique_abbrev(const unsigned char *sha1, int len); extern int find_unique_abbrev_r(char *hex, const unsigned char *sha1, int len); -extern const unsigned char null_sha1[GIT_SHA1_RAWSZ]; +extern const unsigned char null_sha1[GIT_MAX_RAWSZ]; extern const struct object_id null_oid; static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2) @@@ -1097,9 -1069,8 +1097,9 @@@ int adjust_shared_perm(const char *path /* * Create the directory containing the named path, using care to be - * somewhat safe against races. Return one of the scld_error values - * to indicate success/failure. + * somewhat safe against races. Return one of the scld_error values to + * indicate success/failure. On error, set errno to describe the + * problem. * * SCLD_VANISHED indicates that one of the ancestor directories of the * path existed at one point during the function call and then @@@ -1123,51 -1094,8 +1123,51 @@@ enum scld_error enum scld_error safe_create_leading_directories(char *path); enum scld_error safe_create_leading_directories_const(const char *path); +/* + * Callback function for raceproof_create_file(). This function is + * expected to do something that makes dirname(path) permanent despite + * the fact that other processes might be cleaning up empty + * directories at the same time. Usually it will create a file named + * path, but alternatively it could create another file in that + * directory, or even chdir() into that directory. The function should + * return 0 if the action was completed successfully. On error, it + * should return a nonzero result and set errno. + * raceproof_create_file() treats two errno values specially: + * + * - ENOENT -- dirname(path) does not exist. In this case, + * raceproof_create_file() tries creating dirname(path) + * (and any parent directories, if necessary) and calls + * the function again. + * + * - EISDIR -- the file already exists and is a directory. In this + * case, raceproof_create_file() removes the directory if + * it is empty (and recursively any empty directories that + * it contains) and calls the function again. + * + * Any other errno causes raceproof_create_file() to fail with the + * callback's return value and errno. + * + * Obviously, this function should be OK with being called again if it + * fails with ENOENT or EISDIR. In other scenarios it will not be + * called again. + */ +typedef int create_file_fn(const char *path, void *cb); + +/* + * Create a file in dirname(path) by calling fn, creating leading + * directories if necessary. Retry a few times in case we are racing + * with another process that is trying to clean up the directory that + * contains path. See the documentation for create_file_fn for more + * details. + * + * Return the value and set the errno that resulted from the most + * recent call of fn. fn is always called at least once, and will be + * called more than once if it returns ENOENT or EISDIR. + */ +int raceproof_create_file(const char *path, create_file_fn fn, void *cb); + int mkdir_in_gitdir(const char *path); -extern char *expand_user_path(const char *path); +extern char *expand_user_path(const char *path, int real_home); const char *enter_repo(const char *path, int strict); static inline int is_absolute_path(const char *path) { @@@ -1190,6 -1118,14 +1190,14 @@@ 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 $XDG_CONFIG_HOME is non-empty, otherwise @@@ -1197,13 -1133,6 +1205,13 @@@ */ extern char *xdg_config_home(const char *filename); +/** + * Return a newly allocated string with the evaluation of + * "$XDG_CACHE_HOME/git/$filename" if $XDG_CACHE_HOME is non-empty, otherwise + * "$HOME/.cache/git/$filename". Return NULL upon error. + */ +extern char *xdg_cache_home(const char *filename); + /* object replacement */ #define LOOKUP_REPLACE_OBJECT 1 #define LOOKUP_UNKNOWN_OBJECT 2 @@@ -1305,9 -1234,6 +1313,9 @@@ extern int has_pack_index(const unsigne extern void assert_sha1_type(const unsigned char *sha1, enum object_type expect); +/* Helper to check and "touch" a file */ +extern int check_and_freshen_file(const char *fn, int freshen); + extern const signed char hexval_table[256]; static inline unsigned int hexval(unsigned char c) { @@@ -1333,18 -1259,13 +1341,18 @@@ static inline int hex2chr(const char *s struct object_context { unsigned char tree[20]; - char path[PATH_MAX]; unsigned mode; /* * symlink_path is only used by get_tree_entry_follow_symlinks, * and only for symlinks that point outside the repository. */ struct strbuf symlink_path; + /* + * If GET_SHA1_RECORD_PATH is set, this will record path (if any) + * found when resolving the name. The caller is responsible for + * releasing the memory. + */ + char *path; }; #define GET_SHA1_QUIETLY 01 @@@ -1354,7 -1275,6 +1362,7 @@@ #define GET_SHA1_TREEISH 020 #define GET_SHA1_BLOB 040 #define GET_SHA1_FOLLOW_SYMLINKS 0100 +#define GET_SHA1_RECORD_PATH 0200 #define GET_SHA1_ONLY_TO_DIE 04000 #define GET_SHA1_DISAMBIGUATORS \ @@@ -1369,11 -1289,11 +1377,11 @@@ extern int get_sha1_tree(const char *st extern int get_sha1_treeish(const char *str, unsigned char *sha1); extern int get_sha1_blob(const char *str, unsigned char *sha1); extern void maybe_die_on_misspelt_object_name(const char *name, const char *prefix); -extern int get_sha1_with_context(const char *str, unsigned flags, unsigned char *sha1, struct object_context *orc); +extern int get_sha1_with_context(const char *str, unsigned flags, unsigned char *sha1, struct object_context *oc); extern int get_oid(const char *str, struct object_id *oid); -typedef int each_abbrev_fn(const unsigned char *sha1, void *); +typedef int each_abbrev_fn(const struct object_id *oid, 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); @@@ -1404,15 -1324,6 +1412,15 @@@ extern char *oid_to_hex_r(char *out, co extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */ extern char *oid_to_hex(const struct object_id *oid); /* same static buffer as sha1_to_hex */ +/* + * Parse a 40-character hexadecimal object ID starting from hex, updating the + * pointer specified by end when parsing stops. The resulting object ID is + * stored in oid. Returns 0 on success. Parsing will stop on the first NUL or + * other invalid character. end is only updated on success; otherwise, it is + * unmodified. + */ +extern int parse_oid_hex(const char *hex, struct object_id *oid, const char **end); + /* * This reads short-hand syntax that not only evaluates to a commit * object name, but also can act as if the end user spelled the name @@@ -1688,12 -1599,9 +1696,12 @@@ extern struct packed_git *find_sha1_pac extern void pack_report(void); /* - * Create a temporary file rooted in the object database directory. + * Create a temporary file rooted in the object database directory, or + * die on failure. The filename is taken from "pattern", which should have the + * usual "XXXXXX" trailer, and the resulting filename is written into the + * "template" buffer. Returns the open descriptor. */ -extern int odb_mkstemp(char *template, size_t limit, const char *pattern); +extern int odb_mkstemp(struct strbuf *template, const char *pattern); /* * Generate the filename to be used for a pack file with checksum "sha1" and @@@ -1747,12 -1655,6 +1755,12 @@@ extern void check_pack_index_ptr(const * error. */ extern const unsigned char *nth_packed_object_sha1(struct packed_git *, uint32_t n); +/* + * Like nth_packed_object_sha1, but write the data into the object specified by + * the the first argument. Returns the first argument on success, and NULL on + * error. + */ +extern const struct object_id *nth_packed_object_oid(struct object_id *, struct packed_git *, uint32_t n); /* * Return the offset of the nth object within the specified packfile. @@@ -1794,7 -1696,7 +1802,7 @@@ extern int unpack_object_header(struct * scratch buffer, but restored to its original contents before * the function returns. */ -typedef int each_loose_object_fn(const unsigned char *sha1, +typedef int each_loose_object_fn(const struct object_id *oid, const char *path, void *data); typedef int each_loose_cruft_fn(const char *basename, @@@ -1820,7 -1722,7 +1828,7 @@@ int for_each_loose_file_in_objdir_buf(s * LOCAL_ONLY flag is set). */ #define FOR_EACH_OBJECT_LOCAL_ONLY 0x1 -typedef int each_packed_object_fn(const unsigned char *sha1, +typedef int each_packed_object_fn(const struct object_id *oid, struct packed_git *pack, uint32_t pos, void *data); @@@ -1898,11 -1800,6 +1906,11 @@@ enum config_origin_type CONFIG_ORIGIN_CMDLINE }; +struct config_options { + unsigned int respect_includes : 1; + const char *git_dir; +}; + 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 *); @@@ -1912,17 -1809,15 +1920,17 @@@ extern int git_config_from_blob_sha1(co const unsigned char *sha1, void *data); extern void git_config_push_parameter(const char *text); extern int git_config_from_parameters(config_fn_t fn, void *data); +extern void read_early_config(config_fn_t cb, void *data); extern void git_config(config_fn_t fn, void *); extern int git_config_with_options(config_fn_t fn, void *, struct git_config_source *config_source, - int respect_includes); + const struct config_options *opts); extern int git_parse_ulong(const char *, unsigned long *); extern int git_parse_maybe_bool(const char *); extern int git_config_int(const char *, const char *); extern int64_t git_config_int64(const char *, const char *); extern unsigned long git_config_ulong(const char *, const char *); +extern ssize_t git_config_ssize_t(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 *); @@@ -1969,7 -1864,6 +1977,7 @@@ struct config_include_data int depth; config_fn_t fn; void *data; + const struct config_options *opts; }; #define CONFIG_INCLUDE_INIT { 0 } extern int git_config_include(const char *name, const char *value, void *data); @@@ -2047,11 -1941,6 +2055,11 @@@ extern int git_config_get_bool_or_int(c extern int git_config_get_maybe_bool(const char *key, int *dest); extern int git_config_get_pathname(const char *key, const char **dest); extern int git_config_get_untracked_cache(void); +extern int git_config_get_split_index(void); +extern int git_config_get_max_percent_split_change(void); + +/* This dies if the configured or default date is in the future */ +extern int git_config_get_expiry(const char *key, const char **output); /* * This is a hack for test programs like test-dump-untracked-cache to diff --combined connect.c index c72b1d1151,ea316c485a..e43df44b0c --- a/connect.c +++ b/connect.c @@@ -71,7 -71,7 +71,7 @@@ static void parse_one_symref_info(struc check_refname_format(target, REFNAME_ALLOW_ONELEVEL)) /* "symref=bogus:pair */ goto reject; - item = string_list_append(symref, sym); + item = string_list_append_nodup(symref, sym); item->util = target; return; reject: @@@ -111,8 -111,8 +111,8 @@@ static void annotate_refs_with_symref_i */ struct ref **get_remote_heads(int in, char *src_buf, size_t src_len, struct ref **list, unsigned int flags, - struct sha1_array *extra_have, - struct sha1_array *shallow_points) + struct oid_array *extra_have, + struct oid_array *shallow_points) { struct ref **orig_list = list; @@@ -153,7 -153,7 +153,7 @@@ die("protocol error: expected shallow sha-1, got '%s'", arg); if (!shallow_points) die("repository on the other end cannot be shallow"); - sha1_array_append(shallow_points, old_oid.hash); + oid_array_append(shallow_points, &old_oid); continue; } @@@ -169,7 -169,7 +169,7 @@@ } if (extra_have && !strcmp(name, ".have")) { - sha1_array_append(extra_have, old_oid.hash); + oid_array_append(extra_have, &old_oid); continue; } @@@ -577,6 -577,11 +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); @@@ -691,70 -696,6 +696,70 @@@ static const char *get_ssh_command(void return NULL; } +static int override_ssh_variant(int *port_option, int *needs_batch) +{ + char *variant; + + variant = xstrdup_or_null(getenv("GIT_SSH_VARIANT")); + if (!variant && + git_config_get_string("ssh.variant", &variant)) + return 0; + + if (!strcmp(variant, "plink") || !strcmp(variant, "putty")) { + *port_option = 'P'; + *needs_batch = 0; + } else if (!strcmp(variant, "tortoiseplink")) { + *port_option = 'P'; + *needs_batch = 1; + } else { + *port_option = 'p'; + *needs_batch = 0; + } + free(variant); + return 1; +} + +static void handle_ssh_variant(const char *ssh_command, int is_cmdline, + int *port_option, int *needs_batch) +{ + const char *variant; + char *p = NULL; + + if (override_ssh_variant(port_option, needs_batch)) + return; + + if (!is_cmdline) { + p = xstrdup(ssh_command); + variant = basename(p); + } else { + const char **ssh_argv; + + p = xstrdup(ssh_command); + if (split_cmdline(p, &ssh_argv) > 0) { + variant = basename((char *)ssh_argv[0]); + /* + * At this point, variant points into the buffer + * referenced by p, hence we do not need ssh_argv + * any longer. + */ + free(ssh_argv); + } else { + free(p); + return; + } + } + + if (!strcasecmp(variant, "plink") || + !strcasecmp(variant, "plink.exe")) + *port_option = 'P'; + else if (!strcasecmp(variant, "tortoiseplink") || + !strcasecmp(variant, "tortoiseplink.exe")) { + *port_option = 'P'; + *needs_batch = 1; + } + free(p); +} + /* * This returns a dummy child_process if the transport protocol does not * need fork(2), or a struct child_process object if it does. Once done, @@@ -823,6 -764,9 +828,9 @@@ struct child_process *git_connect(int f 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); @@@ -833,8 -777,7 +841,8 @@@ conn->in = conn->out = -1; if (protocol == PROTO_SSH) { const char *ssh; - int putty = 0, tortoiseplink = 0; + int needs_batch = 0; + int port_option = 'p'; char *ssh_host = hostandport; const char *port = NULL; transport_check_allowed("ssh"); @@@ -856,11 -799,14 +864,14 @@@ 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; - char *ssh_dup; - + if (ssh) + handle_ssh_variant(ssh, 1, &port_option, + &needs_batch); + else { /* * GIT_SSH is the no-shell version of * GIT_SSH_COMMAND (and must remain so for @@@ -871,10 -817,17 +882,10 @@@ ssh = getenv("GIT_SSH"); if (!ssh) ssh = "ssh"; - - ssh_dup = xstrdup(ssh); - base = basename(ssh_dup); - - tortoiseplink = !strcasecmp(base, "tortoiseplink") || - !strcasecmp(base, "tortoiseplink.exe"); - putty = tortoiseplink || - !strcasecmp(base, "plink") || - !strcasecmp(base, "plink.exe"); - - free(ssh_dup); + else + handle_ssh_variant(ssh, 0, + &port_option, + &needs_batch); } argv_array_push(&conn->args, ssh); @@@ -882,11 -835,11 +893,11 @@@ argv_array_push(&conn->args, "-4"); else if (flags & CONNECT_IPV6) argv_array_push(&conn->args, "-6"); - if (tortoiseplink) + if (needs_batch) argv_array_push(&conn->args, "-batch"); if (port) { - /* P is for PuTTY, p is for OpenSSH */ - argv_array_push(&conn->args, putty ? "-P" : "-p"); + argv_array_pushf(&conn->args, + "-%c", port_option); argv_array_push(&conn->args, port); } argv_array_push(&conn->args, ssh_host); diff --combined path.c index c1cb1cf627,897b3417d4..0349a0ab7b --- a/path.c +++ b/path.c @@@ -471,19 -471,39 +471,19 @@@ const char *worktree_git_path(const str } /* 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; + int ret; - strbuf_addstr(buf, path); - strbuf_complete(buf, '/'); - strbuf_addstr(buf, ".git"); - - git_dir = read_gitfile(buf->buf); - if (git_dir) { - 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); + ret = submodule_to_gitdir(&git_submodule_dir, path); + if (ret) + goto cleanup; + strbuf_complete(&git_submodule_dir, '/'); + strbuf_addbuf(buf, &git_submodule_dir); strbuf_vaddf(buf, fmt, args); if (get_common_dir_noenv(&git_submodule_common_dir, git_submodule_dir.buf)) @@@ -494,7 -514,8 +494,7 @@@ cleanup: strbuf_release(&git_submodule_dir); strbuf_release(&git_submodule_common_dir); - - return err; + return ret; } char *git_pathdup_submodule(const char *path, const char *fmt, ...) @@@ -617,10 -638,8 +617,10 @@@ static struct passwd *getpw_str(const c * Return a string with ~ and ~user expanded via getpw*. If buf != NULL, * then it is a newly allocated string. Returns NULL on getpw failure or * if path is NULL. + * + * If real_home is true, real_path($HOME) is used in the expansion. */ -char *expand_user_path(const char *path) +char *expand_user_path(const char *path, int real_home) { struct strbuf user_path = STRBUF_INIT; const char *to_copy = path; @@@ -635,10 -654,7 +635,10 @@@ const char *home = getenv("HOME"); if (!home) goto return_null; - strbuf_addstr(&user_path, home); + if (real_home) + strbuf_addstr(&user_path, real_path(home)); + else + strbuf_addstr(&user_path, home); #ifdef GIT_WINDOWS_NATIVE convert_slashes(user_path.buf); #endif @@@ -707,7 -723,7 +707,7 @@@ const char *enter_repo(const char *path strbuf_add(&validated_path, path, len); if (used_path.buf[0] == '~') { - char *newpath = expand_user_path(used_path.buf); + char *newpath = expand_user_path(used_path.buf, 0); if (!newpath) return NULL; strbuf_attach(&used_path, newpath, strlen(newpath), @@@ -1241,6 -1257,11 +1241,11 @@@ 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; @@@ -1256,21 -1277,6 +1261,21 @@@ return NULL; } +char *xdg_cache_home(const char *filename) +{ + const char *home, *cache_home; + + assert(filename); + cache_home = getenv("XDG_CACHE_HOME"); + if (cache_home && *cache_home) + return mkpathdup("%s/git/%s", cache_home, filename); + + home = getenv("HOME"); + if (home) + return mkpathdup("%s/.cache/git/%s", home, filename); + return NULL; +} + GIT_PATH_FUNC(git_path_cherry_pick_head, "CHERRY_PICK_HEAD") GIT_PATH_FUNC(git_path_revert_head, "REVERT_HEAD") GIT_PATH_FUNC(git_path_squash_msg, "SQUASH_MSG")