diff options
Diffstat (limited to 'path.c')
| -rw-r--r-- | path.c | 117 |
1 files changed, 76 insertions, 41 deletions
@@ -1,17 +1,23 @@ /* * Utilities for paths and pathnames */ -#include "cache.h" +#include "git-compat-util.h" +#include "abspath.h" +#include "environment.h" +#include "gettext.h" +#include "hex.h" #include "repository.h" #include "strbuf.h" #include "string-list.h" #include "dir.h" #include "worktree.h" +#include "setup.h" #include "submodule-config.h" #include "path.h" #include "packfile.h" -#include "object-store.h" +#include "object-store-ll.h" #include "lockfile.h" +#include "exec-cmd.h" static int get_st_mode_bits(const char *path, int *mode) { @@ -22,8 +28,6 @@ static int get_st_mode_bits(const char *path, int *mode) return 0; } -static char bad_path[] = "/bad-path/"; - static struct strbuf *get_pathname(void) { static struct strbuf pathname_array[4] = { @@ -53,21 +57,6 @@ static void strbuf_cleanup_path(struct strbuf *sb) strbuf_remove(sb, 0, path - sb->buf); } -char *mksnpath(char *buf, size_t n, const char *fmt, ...) -{ - va_list args; - unsigned len; - - va_start(args, fmt); - len = vsnprintf(buf, n, fmt, args); - va_end(args); - if (len >= n) { - strlcpy(buf, bad_path, n); - return buf; - } - return (char *)cleanup_path(buf); -} - static int dir_prefix(const char *buf, const char *dir) { int len = strlen(dir); @@ -346,7 +335,8 @@ static void init_common_trie(void) * Helper function for update_common_dir: returns 1 if the dir * prefix is common. */ -static int check_common(const char *unmatched, void *value, void *baton) +static int check_common(const char *unmatched, void *value, + void *baton UNUSED) { struct common_dir *dir = value; @@ -719,19 +709,25 @@ static struct passwd *getpw_str(const char *username, size_t len) } /* - * 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. + * Return a string with ~ and ~user expanded via getpw*. Returns NULL on getpw + * failure or if path is NULL. + * + * If real_home is true, strbuf_realpath($HOME) is used in the `~/` expansion. * - * If real_home is true, strbuf_realpath($HOME) is used in the expansion. + * If the path starts with `%(prefix)/`, the remainder is interpreted as + * relative to where Git is installed, and expanded to the absolute path. */ -char *expand_user_path(const char *path, int real_home) +char *interpolate_path(const char *path, int real_home) { struct strbuf user_path = STRBUF_INIT; const char *to_copy = path; - if (path == NULL) + if (!path) goto return_null; + + if (skip_prefix(path, "%(prefix)/", &path)) + return system_path(path); + if (path[0] == '~') { const char *first_slash = strchrnul(path, '/'); const char *username = path + 1; @@ -812,7 +808,7 @@ const char *enter_repo(const char *path, int strict) strbuf_add(&validated_path, path, len); if (used_path.buf[0] == '~') { - char *newpath = expand_user_path(used_path.buf, 0); + char *newpath = interpolate_path(used_path.buf, 0); if (!newpath) return NULL; strbuf_attach(&used_path, newpath, strlen(newpath), @@ -858,7 +854,7 @@ const char *enter_repo(const char *path, int strict) return NULL; } -static int calc_shared_perm(int mode) +int calc_shared_perm(int mode) { int tweak; @@ -894,7 +890,13 @@ int adjust_shared_perm(const char *path) if (S_ISDIR(old_mode)) { /* Copy read bits to execute bits */ new_mode |= (new_mode & 0444) >> 2; - new_mode |= FORCE_DIR_SET_GID; + + /* + * g+s matters only if any extra access is granted + * based on group membership. + */ + if (FORCE_DIR_SET_GID && (new_mode & 060)) + new_mode |= FORCE_DIR_SET_GID; } if (((old_mode ^ new_mode) & ~S_IFMT) && @@ -1193,6 +1195,26 @@ int normalize_path_copy(char *dst, const char *src) return normalize_path_copy_len(dst, src, NULL); } +int strbuf_normalize_path(struct strbuf *src) +{ + struct strbuf dst = STRBUF_INIT; + + strbuf_grow(&dst, src->len); + if (normalize_path_copy(dst.buf, src->buf) < 0) { + strbuf_release(&dst); + return -1; + } + + /* + * normalize_path does not tell us the new length, so we have to + * compute it by looking for the new NUL it placed + */ + strbuf_setlen(&dst, strlen(dst.buf)); + strbuf_swap(src, &dst); + strbuf_release(&dst); + return 0; +} + /* * path = Canonical absolute path * prefixes = string_list containing normalized, absolute paths without @@ -1218,11 +1240,15 @@ int longest_ancestor_length(const char *path, struct string_list *prefixes) const char *ceil = prefixes->items[i].string; int len = strlen(ceil); - if (len == 1 && ceil[0] == '/') - len = 0; /* root matches anything, with length 0 */ - else if (!strncmp(path, ceil, len) && path[len] == '/') - ; /* match of length len */ - else + /* + * For root directories (`/`, `C:/`, `//server/share/`) + * adjust the length to exclude the trailing slash. + */ + if (len > 0 && ceil[len - 1] == '/') + len--; + + if (strncmp(path, ceil, len) || + path[len] != '/' || !path[len + 1]) continue; /* no match */ if (len > max_len) @@ -1402,7 +1428,7 @@ int is_ntfs_dotgit(const char *name) for (;;) { c = *(name++); - if (!c || c == '\\' || c == '/' || c == ':') + if (!c || is_xplatform_dir_sep(c) || c == ':') return 1; if (c != '.' && c != ' ') return 0; @@ -1493,26 +1519,38 @@ int is_ntfs_dotgitattributes(const char *name) return is_ntfs_dot_str(name, "gitattributes", "gi7d29"); } +int is_ntfs_dotmailmap(const char *name) +{ + return is_ntfs_dot_str(name, "mailmap", "maba30"); +} + int looks_like_command_line_option(const char *str) { return str && str[0] == '-'; } -char *xdg_config_home(const char *filename) +char *xdg_config_home_for(const char *subdir, const char *filename) { const char *home, *config_home; + assert(subdir); assert(filename); config_home = getenv("XDG_CONFIG_HOME"); if (config_home && *config_home) - return mkpathdup("%s/git/%s", config_home, filename); + return mkpathdup("%s/%s/%s", config_home, subdir, filename); home = getenv("HOME"); if (home) - return mkpathdup("%s/.config/git/%s", home, filename); + return mkpathdup("%s/.config/%s/%s", home, subdir, filename); + return NULL; } +char *xdg_config_home(const char *filename) +{ + return xdg_config_home_for("git", filename); +} + char *xdg_cache_home(const char *filename) { const char *home, *cache_home; @@ -1528,13 +1566,10 @@ char *xdg_cache_home(const char *filename) return NULL; } -REPO_GIT_PATH_FUNC(cherry_pick_head, "CHERRY_PICK_HEAD") -REPO_GIT_PATH_FUNC(revert_head, "REVERT_HEAD") REPO_GIT_PATH_FUNC(squash_msg, "SQUASH_MSG") REPO_GIT_PATH_FUNC(merge_msg, "MERGE_MSG") REPO_GIT_PATH_FUNC(merge_rr, "MERGE_RR") REPO_GIT_PATH_FUNC(merge_mode, "MERGE_MODE") REPO_GIT_PATH_FUNC(merge_head, "MERGE_HEAD") -REPO_GIT_PATH_FUNC(merge_autostash, "MERGE_AUTOSTASH") REPO_GIT_PATH_FUNC(fetch_head, "FETCH_HEAD") REPO_GIT_PATH_FUNC(shallow, "shallow") |