diff options
Diffstat (limited to 'path.c')
-rw-r--r-- | path.c | 226 |
1 files changed, 153 insertions, 73 deletions
@@ -2,11 +2,14 @@ * Utilities for paths and pathnames */ #include "cache.h" +#include "repository.h" #include "strbuf.h" #include "string-list.h" #include "dir.h" #include "worktree.h" #include "submodule-config.h" +#include "path.h" +#include "packfile.h" static int get_st_mode_bits(const char *path, int *mode) { @@ -31,11 +34,10 @@ static struct strbuf *get_pathname(void) return sb; } -static char *cleanup_path(char *path) +static const char *cleanup_path(const char *path) { /* Clean it up */ - if (!memcmp(path, "./", 2)) { - path += 2; + if (skip_prefix(path, "./", &path)) { while (*path == '/') path++; } @@ -44,7 +46,7 @@ static char *cleanup_path(char *path) static void strbuf_cleanup_path(struct strbuf *sb) { - char *path = cleanup_path(sb->buf); + const char *path = cleanup_path(sb->buf); if (path > sb->buf) strbuf_remove(sb, 0, path - sb->buf); } @@ -61,7 +63,7 @@ char *mksnpath(char *buf, size_t n, const char *fmt, ...) strlcpy(buf, bad_path, n); return buf; } - return cleanup_path(buf); + return (char *)cleanup_path(buf); } static int dir_prefix(const char *buf, const char *dir) @@ -190,7 +192,7 @@ static void *add_to_trie(struct trie *root, const char *key, void *value) * Split this node: child will contain this node's * existing children. */ - child = malloc(sizeof(*child)); + child = xmalloc(sizeof(*child)); memcpy(child->children, root->children, sizeof(root->children)); child->len = root->len - i - 1; @@ -343,8 +345,6 @@ static void update_common_dir(struct strbuf *buf, int git_dir_len, { char *base = buf->buf + git_dir_len; init_common_trie(); - if (!common_dir) - common_dir = get_git_common_dir(); if (trie_find(&common_trie, base, check_common, NULL) > 0) replace_dir(buf, git_dir_len, common_dir); } @@ -355,7 +355,7 @@ void report_linked_checkout_garbage(void) const struct common_dir *p; int len; - if (!git_common_dir_env) + if (!the_repository->different_commondir) return; strbuf_addf(&sb, "%s/", get_git_dir()); len = sb.len; @@ -371,42 +371,78 @@ void report_linked_checkout_garbage(void) strbuf_release(&sb); } -static void adjust_git_path(struct strbuf *buf, int git_dir_len) +static void adjust_git_path(const struct repository *repo, + struct strbuf *buf, int git_dir_len) { const char *base = buf->buf + git_dir_len; - if (git_graft_env && is_dir_file(base, "info", "grafts")) + if (is_dir_file(base, "info", "grafts")) strbuf_splice(buf, 0, buf->len, - get_graft_file(), strlen(get_graft_file())); - else if (git_index_env && !strcmp(base, "index")) + repo->graft_file, strlen(repo->graft_file)); + else if (!strcmp(base, "index")) strbuf_splice(buf, 0, buf->len, - get_index_file(), strlen(get_index_file())); - else if (git_db_env && dir_prefix(base, "objects")) - replace_dir(buf, git_dir_len + 7, get_object_directory()); + repo->index_file, strlen(repo->index_file)); + else if (dir_prefix(base, "objects")) + replace_dir(buf, git_dir_len + 7, repo->objectdir); else if (git_hooks_path && dir_prefix(base, "hooks")) replace_dir(buf, git_dir_len + 5, git_hooks_path); - else if (git_common_dir_env) - update_common_dir(buf, git_dir_len, NULL); + else if (repo->different_commondir) + update_common_dir(buf, git_dir_len, repo->commondir); } -static void do_git_path(const struct worktree *wt, struct strbuf *buf, +static void strbuf_worktree_gitdir(struct strbuf *buf, + const struct repository *repo, + const struct worktree *wt) +{ + if (!wt) + strbuf_addstr(buf, repo->gitdir); + else if (!wt->id) + strbuf_addstr(buf, repo->commondir); + else + strbuf_git_common_path(buf, repo, "worktrees/%s", wt->id); +} + +static void do_git_path(const struct repository *repo, + const struct worktree *wt, struct strbuf *buf, const char *fmt, va_list args) { int gitdir_len; - strbuf_addstr(buf, get_worktree_git_dir(wt)); + strbuf_worktree_gitdir(buf, repo, wt); if (buf->len && !is_dir_sep(buf->buf[buf->len - 1])) strbuf_addch(buf, '/'); gitdir_len = buf->len; strbuf_vaddf(buf, fmt, args); - adjust_git_path(buf, gitdir_len); + if (!wt) + adjust_git_path(repo, buf, gitdir_len); strbuf_cleanup_path(buf); } +char *repo_git_path(const struct repository *repo, + const char *fmt, ...) +{ + struct strbuf path = STRBUF_INIT; + va_list args; + va_start(args, fmt); + do_git_path(repo, NULL, &path, fmt, args); + va_end(args); + return strbuf_detach(&path, NULL); +} + +void strbuf_repo_git_path(struct strbuf *sb, + const struct repository *repo, + const char *fmt, ...) +{ + va_list args; + va_start(args, fmt); + do_git_path(repo, NULL, sb, fmt, args); + va_end(args); +} + char *git_path_buf(struct strbuf *buf, const char *fmt, ...) { va_list args; strbuf_reset(buf); va_start(args, fmt); - do_git_path(NULL, buf, fmt, args); + do_git_path(the_repository, NULL, buf, fmt, args); va_end(args); return buf->buf; } @@ -415,7 +451,7 @@ void strbuf_git_path(struct strbuf *sb, const char *fmt, ...) { va_list args; va_start(args, fmt); - do_git_path(NULL, sb, fmt, args); + do_git_path(the_repository, NULL, sb, fmt, args); va_end(args); } @@ -424,7 +460,7 @@ const char *git_path(const char *fmt, ...) struct strbuf *pathname = get_pathname(); va_list args; va_start(args, fmt); - do_git_path(NULL, pathname, fmt, args); + do_git_path(the_repository, NULL, pathname, fmt, args); va_end(args); return pathname->buf; } @@ -434,7 +470,7 @@ char *git_pathdup(const char *fmt, ...) struct strbuf path = STRBUF_INIT; va_list args; va_start(args, fmt); - do_git_path(NULL, &path, fmt, args); + do_git_path(the_repository, NULL, &path, fmt, args); va_end(args); return strbuf_detach(&path, NULL); } @@ -465,45 +501,66 @@ const char *worktree_git_path(const struct worktree *wt, const char *fmt, ...) struct strbuf *pathname = get_pathname(); va_list args; va_start(args, fmt); - do_git_path(wt, pathname, fmt, args); + do_git_path(the_repository, wt, pathname, fmt, args); va_end(args); return pathname->buf; } +static void do_worktree_path(const struct repository *repo, + struct strbuf *buf, + const char *fmt, va_list args) +{ + strbuf_addstr(buf, repo->worktree); + if(buf->len && !is_dir_sep(buf->buf[buf->len - 1])) + strbuf_addch(buf, '/'); + + strbuf_vaddf(buf, fmt, args); + strbuf_cleanup_path(buf); +} + +char *repo_worktree_path(const struct repository *repo, const char *fmt, ...) +{ + struct strbuf path = STRBUF_INIT; + va_list args; + + if (!repo->worktree) + return NULL; + + va_start(args, fmt); + do_worktree_path(repo, &path, fmt, args); + va_end(args); + + return strbuf_detach(&path, NULL); +} + +void strbuf_repo_worktree_path(struct strbuf *sb, + const struct repository *repo, + const char *fmt, ...) +{ + va_list args; + + if (!repo->worktree) + return; + + va_start(args, fmt); + do_worktree_path(repo, sb, fmt, args); + va_end(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, '/'); - 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); - } + int ret; - 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)) @@ -514,8 +571,7 @@ static int do_submodule_path(struct strbuf *buf, const char *path, 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, ...) @@ -545,11 +601,12 @@ int strbuf_git_path_submodule(struct strbuf *buf, const char *path, return err; } -static void do_git_common_path(struct strbuf *buf, +static void do_git_common_path(const struct repository *repo, + struct strbuf *buf, const char *fmt, va_list args) { - strbuf_addstr(buf, get_git_common_dir()); + strbuf_addstr(buf, repo->commondir); if (buf->len && !is_dir_sep(buf->buf[buf->len - 1])) strbuf_addch(buf, '/'); strbuf_vaddf(buf, fmt, args); @@ -561,24 +618,27 @@ const char *git_common_path(const char *fmt, ...) struct strbuf *pathname = get_pathname(); va_list args; va_start(args, fmt); - do_git_common_path(pathname, fmt, args); + do_git_common_path(the_repository, pathname, fmt, args); va_end(args); return pathname->buf; } -void strbuf_git_common_path(struct strbuf *sb, const char *fmt, ...) +void strbuf_git_common_path(struct strbuf *sb, + const struct repository *repo, + const char *fmt, ...) { va_list args; va_start(args, fmt); - do_git_common_path(sb, fmt, args); + do_git_common_path(repo, sb, fmt, args); va_end(args); } int validate_headref(const char *path) { struct stat st; - char *buf, buffer[256]; - unsigned char sha1[20]; + char buffer[256]; + const char *refname; + struct object_id oid; int fd; ssize_t len; @@ -602,24 +662,24 @@ int validate_headref(const char *path) len = read_in_full(fd, buffer, sizeof(buffer)-1); close(fd); + if (len < 0) + return -1; + buffer[len] = '\0'; + /* * Is it a symbolic ref? */ - if (len < 4) - return -1; - if (!memcmp("ref:", buffer, 4)) { - buf = buffer + 4; - len -= 4; - while (len && isspace(*buf)) - buf++, len--; - if (len >= 5 && !memcmp("refs/", buf, 5)) + if (skip_prefix(buffer, "ref:", &refname)) { + while (isspace(*refname)) + refname++; + if (starts_with(refname, "refs/")) return 0; } /* * Is this a detached HEAD? */ - if (!get_sha1_hex(buffer, sha1)) + if (!get_oid_hex(buffer, &oid)) return 0; return -1; @@ -638,8 +698,10 @@ 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. + * + * 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; @@ -654,7 +716,10 @@ char *expand_user_path(const char *path) const char *home = getenv("HOME"); if (!home) goto return_null; - strbuf_addstr(&user_path, home); + if (real_home) + strbuf_add_real_path(&user_path, home); + else + strbuf_addstr(&user_path, home); #ifdef GIT_WINDOWS_NATIVE convert_slashes(user_path.buf); #endif @@ -723,7 +788,7 @@ 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); + char *newpath = expand_user_path(used_path.buf, 0); if (!newpath) return NULL; strbuf_attach(&used_path, newpath, strlen(newpath), @@ -1277,6 +1342,21 @@ char *xdg_config_home(const char *filename) 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") |