diff options
| -rw-r--r-- | builtin/add.c | 6 | ||||
| -rw-r--r-- | builtin/ls-files.c | 23 | ||||
| -rw-r--r-- | dir.c | 60 | ||||
| -rw-r--r-- | dir.h | 18 | ||||
| -rw-r--r-- | unpack-trees.c | 11 | ||||
| -rw-r--r-- | unpack-trees.h | 1 |
6 files changed, 109 insertions, 10 deletions
diff --git a/builtin/add.c b/builtin/add.c index b79336d71..87446cf92 100644 --- a/builtin/add.c +++ b/builtin/add.c @@ -443,6 +443,9 @@ int cmd_add(int argc, const char **argv, const char *prefix) if (pathspec) { int i; + struct path_exclude_check check; + + path_exclude_check_init(&check, &dir); if (!seen) seen = find_used_pathspec(pathspec); for (i = 0; pathspec[i]; i++) { @@ -450,7 +453,7 @@ int cmd_add(int argc, const char **argv, const char *prefix) && !file_exists(pathspec[i])) { if (ignore_missing) { int dtype = DT_UNKNOWN; - if (excluded(&dir, pathspec[i], &dtype)) + if (path_excluded(&check, pathspec[i], -1, &dtype)) dir_add_ignored(&dir, pathspec[i], strlen(pathspec[i])); } else die(_("pathspec '%s' did not match any files"), @@ -458,6 +461,7 @@ int cmd_add(int argc, const char **argv, const char *prefix) } } free(seen); + path_exclude_check_clear(&check); } plug_bulk_checkin(); diff --git a/builtin/ls-files.c b/builtin/ls-files.c index 7cff17574..31b3f2d90 100644 --- a/builtin/ls-files.c +++ b/builtin/ls-files.c @@ -200,9 +200,19 @@ static void show_ru_info(void) } } +static int ce_excluded(struct path_exclude_check *check, struct cache_entry *ce) +{ + int dtype = ce_to_dtype(ce); + return path_excluded(check, ce->name, ce_namelen(ce), &dtype); +} + static void show_files(struct dir_struct *dir) { int i; + struct path_exclude_check check; + + if ((dir->flags & DIR_SHOW_IGNORED)) + path_exclude_check_init(&check, dir); /* For cached/deleted files we don't need to even do the readdir */ if (show_others || show_killed) { @@ -215,9 +225,8 @@ static void show_files(struct dir_struct *dir) if (show_cached | show_stage) { for (i = 0; i < active_nr; i++) { struct cache_entry *ce = active_cache[i]; - int dtype = ce_to_dtype(ce); - if (dir->flags & DIR_SHOW_IGNORED && - !excluded(dir, ce->name, &dtype)) + if ((dir->flags & DIR_SHOW_IGNORED) && + !ce_excluded(&check, ce)) continue; if (show_unmerged && !ce_stage(ce)) continue; @@ -232,9 +241,8 @@ static void show_files(struct dir_struct *dir) struct cache_entry *ce = active_cache[i]; struct stat st; int err; - int dtype = ce_to_dtype(ce); - if (dir->flags & DIR_SHOW_IGNORED && - !excluded(dir, ce->name, &dtype)) + if ((dir->flags & DIR_SHOW_IGNORED) && + !ce_excluded(&check, ce)) continue; if (ce->ce_flags & CE_UPDATE) continue; @@ -247,6 +255,9 @@ static void show_files(struct dir_struct *dir) show_ce_entry(tag_modified, ce); } } + + if ((dir->flags & DIR_SHOW_IGNORED)) + path_exclude_check_clear(&check); } /* @@ -553,7 +553,7 @@ int excluded_from_list(const char *pathname, return -1; /* undecided */ } -int excluded(struct dir_struct *dir, const char *pathname, int *dtype_p) +static int excluded(struct dir_struct *dir, const char *pathname, int *dtype_p) { int pathlen = strlen(pathname); int st; @@ -573,6 +573,64 @@ int excluded(struct dir_struct *dir, const char *pathname, int *dtype_p) return 0; } +void path_exclude_check_init(struct path_exclude_check *check, + struct dir_struct *dir) +{ + check->dir = dir; + strbuf_init(&check->path, 256); +} + +void path_exclude_check_clear(struct path_exclude_check *check) +{ + strbuf_release(&check->path); +} + +/* + * Is this name excluded? This is for a caller like show_files() that + * do not honor directory hierarchy and iterate through paths that are + * possibly in an ignored directory. + * + * A path to a directory known to be excluded is left in check->path to + * optimize for repeated checks for files in the same excluded directory. + */ +int path_excluded(struct path_exclude_check *check, + const char *name, int namelen, int *dtype) +{ + int i; + struct strbuf *path = &check->path; + + /* + * we allow the caller to pass namelen as an optimization; it + * must match the length of the name, as we eventually call + * excluded() on the whole name string. + */ + if (namelen < 0) + namelen = strlen(name); + + if (path->len && + path->len <= namelen && + !memcmp(name, path->buf, path->len) && + (!name[path->len] || name[path->len] == '/')) + return 1; + + strbuf_setlen(path, 0); + for (i = 0; name[i]; i++) { + int ch = name[i]; + + if (ch == '/') { + int dt = DT_DIR; + if (excluded(check->dir, path->buf, &dt)) + return 1; + } + strbuf_addch(path, ch); + } + + /* An entry in the index; cannot be a directory with subentries */ + strbuf_setlen(path, 0); + + return excluded(check->dir, name, dtype); +} + static struct dir_entry *dir_entry_new(const char *pathname, int len) { struct dir_entry *ent; @@ -1,6 +1,8 @@ #ifndef DIR_H #define DIR_H +#include "strbuf.h" + struct dir_entry { unsigned int len; char name[FLEX_ARRAY]; /* more */ @@ -76,8 +78,22 @@ extern int read_directory(struct dir_struct *, const char *path, int len, const extern int excluded_from_list(const char *pathname, int pathlen, const char *basename, int *dtype, struct exclude_list *el); -extern int excluded(struct dir_struct *, const char *, int *); struct dir_entry *dir_add_ignored(struct dir_struct *dir, const char *pathname, int len); + +/* + * The excluded() API is meant for callers that check each level of leading + * directory hierarchies with excluded() to avoid recursing into excluded + * directories. Callers that do not do so should use this API instead. + */ +struct path_exclude_check { + struct dir_struct *dir; + struct strbuf path; +}; +extern void path_exclude_check_init(struct path_exclude_check *, struct dir_struct *); +extern void path_exclude_check_clear(struct path_exclude_check *); +extern int path_excluded(struct path_exclude_check *, const char *, int namelen, int *dtype); + + extern int add_excludes_from_file_to_list(const char *fname, const char *base, int baselen, char **buf_p, struct exclude_list *which, int check_index); extern void add_excludes_from_file(struct dir_struct *, const char *fname); diff --git a/unpack-trees.c b/unpack-trees.c index ad4010943..33a581924 100644 --- a/unpack-trees.c +++ b/unpack-trees.c @@ -1023,6 +1023,10 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options o->el = ⪙ } + if (o->dir) { + o->path_exclude_check = xmalloc(sizeof(struct path_exclude_check)); + path_exclude_check_init(o->path_exclude_check, o->dir); + } memset(&o->result, 0, sizeof(o->result)); o->result.initialized = 1; o->result.timestamp.sec = o->src_index->timestamp.sec; @@ -1148,6 +1152,10 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options done: free_excludes(&el); + if (o->path_exclude_check) { + path_exclude_check_clear(o->path_exclude_check); + free(o->path_exclude_check); + } return ret; return_failed: @@ -1363,7 +1371,8 @@ static int check_ok_to_remove(const char *name, int len, int dtype, if (ignore_case && icase_exists(o, name, len, st)) return 0; - if (o->dir && excluded(o->dir, name, &dtype)) + if (o->dir && + path_excluded(o->path_exclude_check, name, -1, &dtype)) /* * ce->name is explicitly excluded, so it is Ok to * overwrite it. diff --git a/unpack-trees.h b/unpack-trees.h index 5e432f576..ec74a9f19 100644 --- a/unpack-trees.h +++ b/unpack-trees.h @@ -52,6 +52,7 @@ struct unpack_trees_options { const char *prefix; int cache_bottom; struct dir_struct *dir; + struct path_exclude_check *path_exclude_check; struct pathspec *pathspec; merge_fn_t fn; const char *msgs[NB_UNPACK_TREES_ERROR_TYPES]; |