diff options
Diffstat (limited to 'entry.c')
| -rw-r--r-- | entry.c | 88 |
1 files changed, 52 insertions, 36 deletions
@@ -44,33 +44,33 @@ static void create_directories(const char *path, int path_len, free(buf); } -static void remove_subtree(const char *path) +static void remove_subtree(struct strbuf *path) { - DIR *dir = opendir(path); + DIR *dir = opendir(path->buf); struct dirent *de; - char pathbuf[PATH_MAX]; - char *name; + int origlen = path->len; if (!dir) - die_errno("cannot opendir '%s'", path); - strcpy(pathbuf, path); - name = pathbuf + strlen(path); - *name++ = '/'; + die_errno("cannot opendir '%s'", path->buf); while ((de = readdir(dir)) != NULL) { struct stat st; + if (is_dot_or_dotdot(de->d_name)) continue; - strcpy(name, de->d_name); - if (lstat(pathbuf, &st)) - die_errno("cannot lstat '%s'", pathbuf); + + strbuf_addch(path, '/'); + strbuf_addstr(path, de->d_name); + if (lstat(path->buf, &st)) + die_errno("cannot lstat '%s'", path->buf); if (S_ISDIR(st.st_mode)) - remove_subtree(pathbuf); - else if (unlink(pathbuf)) - die_errno("cannot unlink '%s'", pathbuf); + remove_subtree(path); + else if (unlink(path->buf)) + die_errno("cannot unlink '%s'", path->buf); + strbuf_setlen(path, origlen); } closedir(dir); - if (rmdir(path)) - die_errno("cannot rmdir '%s'", path); + if (rmdir(path->buf)) + die_errno("cannot rmdir '%s'", path->buf); } static int create_file(const char *path, unsigned int mode) @@ -79,7 +79,7 @@ static int create_file(const char *path, unsigned int mode) return open(path, O_WRONLY | O_CREAT | O_EXCL, mode); } -static void *read_blob_entry(struct cache_entry *ce, unsigned long *size) +static void *read_blob_entry(const struct cache_entry *ce, unsigned long *size) { enum object_type type; void *new = read_sha1_file(ce->sha1, &type, size); @@ -92,7 +92,7 @@ static void *read_blob_entry(struct cache_entry *ce, unsigned long *size) return NULL; } -static int open_output_fd(char *path, struct cache_entry *ce, int to_tempfile) +static int open_output_fd(char *path, const struct cache_entry *ce, int to_tempfile) { int symlink = (ce->ce_mode & S_IFMT) != S_IFREG; if (to_tempfile) { @@ -115,7 +115,7 @@ static int fstat_output(int fd, const struct checkout *state, struct stat *st) return 0; } -static int streaming_write_entry(struct cache_entry *ce, char *path, +static int streaming_write_entry(const struct cache_entry *ce, char *path, struct stream_filter *filter, const struct checkout *state, int to_tempfile, int *fstat_done, struct stat *statbuf) @@ -136,7 +136,8 @@ static int streaming_write_entry(struct cache_entry *ce, char *path, return result; } -static int write_entry(struct cache_entry *ce, char *path, const struct checkout *state, int to_tempfile) +static int write_entry(struct cache_entry *ce, + char *path, const struct checkout *state, int to_tempfile) { unsigned int ce_mode_s_ifmt = ce->ce_mode & S_IFMT; int fd, ret, fstat_done = 0; @@ -199,9 +200,9 @@ static int write_entry(struct cache_entry *ce, char *path, const struct checkout break; case S_IFGITLINK: if (to_tempfile) - return error("cannot create temporary subproject %s", path); + return error("cannot create temporary submodule %s", path); if (mkdir(path, 0777) < 0) - return error("cannot create subproject directory %s", path); + return error("cannot create submodule directory %s", path); break; default: return error("unknown file mode for %s in index", path); @@ -209,9 +210,12 @@ static int write_entry(struct cache_entry *ce, char *path, const struct checkout finish: if (state->refresh_cache) { + assert(state->istate); if (!fstat_done) lstat(ce->name, &st); fill_stat_cache_info(ce, &st); + ce->ce_flags |= CE_UPDATE_IN_BASE; + state->istate->cache_changed |= CE_ENTRY_CHANGED; } return 0; } @@ -233,26 +237,36 @@ static int check_path(const char *path, int len, struct stat *st, int skiplen) return lstat(path, st); } -int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *topath) +/* + * Write the contents from ce out to the working tree. + * + * When topath[] is not NULL, instead of writing to the working tree + * file named by ce, a temporary file is created by this function and + * its name is returned in topath[], which must be able to hold at + * least TEMPORARY_FILENAME_LENGTH bytes long. + */ +int checkout_entry(struct cache_entry *ce, + const struct checkout *state, char *topath) { - static char path[PATH_MAX + 1]; + static struct strbuf path = STRBUF_INIT; struct stat st; - int len = state->base_dir_len; if (topath) return write_entry(ce, topath, state, 1); - memcpy(path, state->base_dir, len); - strcpy(path + len, ce->name); - len += ce_namelen(ce); + strbuf_reset(&path); + strbuf_add(&path, state->base_dir, state->base_dir_len); + strbuf_add(&path, ce->name, ce_namelen(ce)); - if (!check_path(path, len, &st, state->base_dir_len)) { + if (!check_path(path.buf, path.len, &st, state->base_dir_len)) { unsigned changed = ce_match_stat(ce, &st, CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE); if (!changed) return 0; if (!state->force) { if (!state->quiet) - fprintf(stderr, "%s already exists, no checkout\n", path); + fprintf(stderr, + "%s already exists, no checkout\n", + path.buf); return -1; } @@ -267,12 +281,14 @@ int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *t if (S_ISGITLINK(ce->ce_mode)) return 0; if (!state->force) - return error("%s is a directory", path); - remove_subtree(path); - } else if (unlink(path)) - return error("unable to unlink old '%s' (%s)", path, strerror(errno)); + return error("%s is a directory", path.buf); + remove_subtree(&path); + } else if (unlink(path.buf)) + return error("unable to unlink old '%s' (%s)", + path.buf, strerror(errno)); } else if (state->not_new) return 0; - create_directories(path, len, state); - return write_entry(ce, path, state, 0); + + create_directories(path.buf, path.len, state); + return write_entry(ce, path.buf, state, 0); } |