diff options
| -rw-r--r-- | dir.c | 187 | ||||
| -rwxr-xr-x | t/t3011-common-prefixes-and-directory-traversal.sh | 209 | ||||
| -rwxr-xr-x | t/t7061-wtstatus-ignore.sh | 9 |
3 files changed, 354 insertions, 51 deletions
@@ -371,13 +371,20 @@ static int match_pathspec_item(const struct index_state *istate, !ps_strncmp(item, match, name, namelen)) return MATCHED_RECURSIVELY_LEADING_PATHSPEC; - /* name" doesn't match up to the first wild character */ + /* name doesn't match up to the first wild character */ if (item->nowildcard_len < item->len && ps_strncmp(item, match, name, item->nowildcard_len - prefix)) return 0; /* + * name has no wildcard, and it didn't match as a leading + * pathspec so return. + */ + if (item->nowildcard_len == item->len) + return 0; + + /* * Here is where we would perform a wildmatch to check if * "name" can be matched as a directory (or a prefix) against * the pathspec. Since wildmatch doesn't have this capability @@ -1652,6 +1659,8 @@ static enum path_treatment treat_directory(struct dir_struct *dir, const char *dirname, int len, int baselen, int exclude, const struct pathspec *pathspec) { + int nested_repo = 0; + /* The "len-1" is to strip the final '/' */ switch (directory_exists_in_index(istate, dirname, len-1)) { case index_directory: @@ -1661,15 +1670,16 @@ static enum path_treatment treat_directory(struct dir_struct *dir, return path_none; case index_nonexistent: - if (dir->flags & DIR_SKIP_NESTED_GIT) { - int nested_repo; + if ((dir->flags & DIR_SKIP_NESTED_GIT) || + !(dir->flags & DIR_NO_GITLINKS)) { struct strbuf sb = STRBUF_INIT; strbuf_addstr(&sb, dirname); nested_repo = is_nonbare_repository_dir(&sb); strbuf_release(&sb); - if (nested_repo) - return path_none; } + if (nested_repo) + return ((dir->flags & DIR_SKIP_NESTED_GIT) ? path_none : + (exclude ? path_excluded : path_untracked)); if (dir->flags & DIR_SHOW_OTHER_DIRECTORIES) break; @@ -1697,13 +1707,6 @@ static enum path_treatment treat_directory(struct dir_struct *dir, return path_none; } - if (!(dir->flags & DIR_NO_GITLINKS)) { - struct strbuf sb = STRBUF_INIT; - strbuf_addstr(&sb, dirname); - if (is_nonbare_repository_dir(&sb)) - return exclude ? path_excluded : path_untracked; - strbuf_release(&sb); - } return path_recurse; } @@ -2123,6 +2126,40 @@ static void close_cached_dir(struct cached_dir *cdir) } } +static void add_path_to_appropriate_result_list(struct dir_struct *dir, + struct untracked_cache_dir *untracked, + struct cached_dir *cdir, + struct index_state *istate, + struct strbuf *path, + int baselen, + const struct pathspec *pathspec, + enum path_treatment state) +{ + /* add the path to the appropriate result list */ + switch (state) { + case path_excluded: + if (dir->flags & DIR_SHOW_IGNORED) + dir_add_name(dir, istate, path->buf, path->len); + else if ((dir->flags & DIR_SHOW_IGNORED_TOO) || + ((dir->flags & DIR_COLLECT_IGNORED) && + exclude_matches_pathspec(path->buf, path->len, + pathspec))) + dir_add_ignored(dir, istate, path->buf, path->len); + break; + + case path_untracked: + if (dir->flags & DIR_SHOW_IGNORED) + break; + dir_add_name(dir, istate, path->buf, path->len); + if (cdir->fdir) + add_untracked(untracked, path->buf + baselen); + break; + + default: + break; + } +} + /* * Read a directory tree. We currently ignore anything but * directories, regular files and symlinks. That's because git @@ -2147,6 +2184,15 @@ static enum path_treatment read_directory_recursive(struct dir_struct *dir, struct untracked_cache_dir *untracked, int check_only, int stop_at_first_file, const struct pathspec *pathspec) { + /* + * WARNING WARNING WARNING: + * + * Any updates to the traversal logic here may need corresponding + * updates in treat_leading_path(). See the commit message for the + * commit adding this warning as well as the commit preceding it + * for details. + */ + struct cached_dir cdir; enum path_treatment state, subdir_state, dir_state = path_none; struct strbuf path = STRBUF_INIT; @@ -2226,29 +2272,9 @@ static enum path_treatment read_directory_recursive(struct dir_struct *dir, continue; } - /* add the path to the appropriate result list */ - switch (state) { - case path_excluded: - if (dir->flags & DIR_SHOW_IGNORED) - dir_add_name(dir, istate, path.buf, path.len); - else if ((dir->flags & DIR_SHOW_IGNORED_TOO) || - ((dir->flags & DIR_COLLECT_IGNORED) && - exclude_matches_pathspec(path.buf, path.len, - pathspec))) - dir_add_ignored(dir, istate, path.buf, path.len); - break; - - case path_untracked: - if (dir->flags & DIR_SHOW_IGNORED) - break; - dir_add_name(dir, istate, path.buf, path.len); - if (cdir.fdir) - add_untracked(untracked, path.buf + baselen); - break; - - default: - break; - } + add_path_to_appropriate_result_list(dir, untracked, &cdir, + istate, &path, baselen, + pathspec, state); } close_cached_dir(&cdir); out: @@ -2278,41 +2304,104 @@ static int treat_leading_path(struct dir_struct *dir, const char *path, int len, const struct pathspec *pathspec) { + /* + * WARNING WARNING WARNING: + * + * Any updates to the traversal logic here may need corresponding + * updates in treat_leading_path(). See the commit message for the + * commit adding this warning as well as the commit preceding it + * for details. + */ + struct strbuf sb = STRBUF_INIT; - int baselen, rc = 0; + int prevlen, baselen; const char *cp; - int old_flags = dir->flags; + struct cached_dir cdir; + struct dirent *de; + enum path_treatment state = path_none; + + /* + * For each directory component of path, we are going to check whether + * that path is relevant given the pathspec. For example, if path is + * foo/bar/baz/ + * then we will ask treat_path() whether we should go into foo, then + * whether we should go into bar, then whether baz is relevant. + * Checking each is important because e.g. if path is + * .git/info/ + * then we need to check .git to know we shouldn't traverse it. + * If the return from treat_path() is: + * * path_none, for any path, we return false. + * * path_recurse, for all path components, we return true + * * <anything else> for some intermediate component, we make sure + * to add that path to the relevant list but return false + * signifying that we shouldn't recurse into it. + */ while (len && path[len - 1] == '/') len--; if (!len) return 1; + + /* + * We need a manufactured dirent with sufficient space to store a + * leading directory component of path in its d_name. Here, we + * assume that the dirent's d_name is either declared as + * char d_name[BIG_ENOUGH] + * or that it is declared at the end of the struct as + * char d_name[] + * For either case, padding with len+1 bytes at the end will ensure + * sufficient storage space. + */ + de = xcalloc(1, st_add3(sizeof(struct dirent), len, 1)); + memset(&cdir, 0, sizeof(cdir)); + cdir.de = de; +#if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT) + de->d_type = DT_DIR; +#endif baselen = 0; - dir->flags &= ~DIR_SHOW_OTHER_DIRECTORIES; + prevlen = 0; while (1) { - cp = path + baselen + !!baselen; + prevlen = baselen + !!baselen; + cp = path + prevlen; cp = memchr(cp, '/', path + len - cp); if (!cp) baselen = len; else baselen = cp - path; - strbuf_setlen(&sb, 0); + strbuf_reset(&sb); strbuf_add(&sb, path, baselen); if (!is_directory(sb.buf)) break; - if (simplify_away(sb.buf, sb.len, pathspec)) - break; - if (treat_one_path(dir, NULL, istate, &sb, baselen, pathspec, - DT_DIR, NULL) == path_none) + strbuf_reset(&sb); + strbuf_add(&sb, path, prevlen); + memcpy(de->d_name, path+prevlen, baselen-prevlen); + de->d_name[baselen-prevlen] = '\0'; + state = treat_path(dir, NULL, &cdir, istate, &sb, prevlen, + pathspec); + if (state == path_untracked && + get_dtype(cdir.de, istate, sb.buf, sb.len) == DT_DIR && + (dir->flags & DIR_SHOW_IGNORED_TOO || + do_match_pathspec(istate, pathspec, sb.buf, sb.len, + baselen, NULL, DO_MATCH_LEADING_PATHSPEC) == MATCHED_RECURSIVELY_LEADING_PATHSPEC)) { + add_path_to_appropriate_result_list(dir, NULL, &cdir, + istate, + &sb, baselen, + pathspec, state); + state = path_recurse; + } + + if (state != path_recurse) break; /* do not recurse into it */ - if (len <= baselen) { - rc = 1; + if (len <= baselen) break; /* finished checking */ - } } + add_path_to_appropriate_result_list(dir, NULL, &cdir, istate, + &sb, baselen, pathspec, + state); + + free(de); strbuf_release(&sb); - dir->flags = old_flags; - return rc; + return state == path_recurse; } static const char *get_ident_string(void) diff --git a/t/t3011-common-prefixes-and-directory-traversal.sh b/t/t3011-common-prefixes-and-directory-traversal.sh new file mode 100755 index 0000000000..3da5b2b6e7 --- /dev/null +++ b/t/t3011-common-prefixes-and-directory-traversal.sh @@ -0,0 +1,209 @@ +#!/bin/sh + +test_description='directory traversal handling, especially with common prefixes' + +. ./test-lib.sh + +test_expect_success 'setup' ' + test_commit hello && + + >empty && + mkdir untracked_dir && + >untracked_dir/empty && + git init untracked_repo && + >untracked_repo/empty && + + cat <<-EOF >.gitignore && + ignored + an_ignored_dir/ + EOF + mkdir an_ignored_dir && + mkdir an_untracked_dir && + >an_ignored_dir/ignored && + >an_ignored_dir/untracked && + >an_untracked_dir/ignored && + >an_untracked_dir/untracked +' + +test_expect_success 'git ls-files -o shows the right entries' ' + cat <<-EOF >expect && + .gitignore + actual + an_ignored_dir/ignored + an_ignored_dir/untracked + an_untracked_dir/ignored + an_untracked_dir/untracked + empty + expect + untracked_dir/empty + untracked_repo/ + EOF + git ls-files -o >actual && + test_cmp expect actual +' + +test_expect_success 'git ls-files -o --exclude-standard shows the right entries' ' + cat <<-EOF >expect && + .gitignore + actual + an_untracked_dir/untracked + empty + expect + untracked_dir/empty + untracked_repo/ + EOF + git ls-files -o --exclude-standard >actual && + test_cmp expect actual +' + +test_expect_success 'git ls-files -o untracked_dir recurses' ' + echo untracked_dir/empty >expect && + git ls-files -o untracked_dir >actual && + test_cmp expect actual +' + +test_expect_success 'git ls-files -o untracked_dir/ recurses' ' + echo untracked_dir/empty >expect && + git ls-files -o untracked_dir/ >actual && + test_cmp expect actual +' + +test_expect_success 'git ls-files -o --directory untracked_dir does not recurse' ' + echo untracked_dir/ >expect && + git ls-files -o --directory untracked_dir >actual && + test_cmp expect actual +' + +test_expect_success 'git ls-files -o --directory untracked_dir/ does not recurse' ' + echo untracked_dir/ >expect && + git ls-files -o --directory untracked_dir/ >actual && + test_cmp expect actual +' + +test_expect_success 'git ls-files -o untracked_repo does not recurse' ' + echo untracked_repo/ >expect && + git ls-files -o untracked_repo >actual && + test_cmp expect actual +' + +test_expect_success 'git ls-files -o untracked_repo/ does not recurse' ' + echo untracked_repo/ >expect && + git ls-files -o untracked_repo/ >actual && + test_cmp expect actual +' + +test_expect_success 'git ls-files -o untracked_dir untracked_repo recurses into untracked_dir only' ' + cat <<-EOF >expect && + untracked_dir/empty + untracked_repo/ + EOF + git ls-files -o untracked_dir untracked_repo >actual && + test_cmp expect actual +' + +test_expect_success 'git ls-files -o untracked_dir/ untracked_repo/ recurses into untracked_dir only' ' + cat <<-EOF >expect && + untracked_dir/empty + untracked_repo/ + EOF + git ls-files -o untracked_dir/ untracked_repo/ >actual && + test_cmp expect actual +' + +test_expect_success 'git ls-files -o --directory untracked_dir untracked_repo does not recurse' ' + cat <<-EOF >expect && + untracked_dir/ + untracked_repo/ + EOF + git ls-files -o --directory untracked_dir untracked_repo >actual && + test_cmp expect actual +' + +test_expect_success 'git ls-files -o --directory untracked_dir/ untracked_repo/ does not recurse' ' + cat <<-EOF >expect && + untracked_dir/ + untracked_repo/ + EOF + git ls-files -o --directory untracked_dir/ untracked_repo/ >actual && + test_cmp expect actual +' + +test_expect_success 'git ls-files -o .git shows nothing' ' + git ls-files -o .git >actual && + test_must_be_empty actual +' + +test_expect_success 'git ls-files -o .git/ shows nothing' ' + git ls-files -o .git/ >actual && + test_must_be_empty actual +' + +test_expect_success FUNNYNAMES 'git ls-files -o untracked_* recurses appropriately' ' + mkdir "untracked_*" && + >"untracked_*/empty" && + + cat <<-EOF >expect && + untracked_*/empty + untracked_dir/empty + untracked_repo/ + EOF + git ls-files -o "untracked_*" >actual && + test_cmp expect actual +' + +# It turns out fill_directory returns the right paths, but ls-files' post-call +# filtering in show_dir_entry() via calling dir_path_match() which ends up +# in git_fnmatch() has logic for PATHSPEC_ONESTAR that assumes the pathspec +# must match the full path; it doesn't check it for matching a leading +# directory. +test_expect_failure FUNNYNAMES 'git ls-files -o untracked_*/ recurses appropriately' ' + cat <<-EOF >expect && + untracked_*/empty + untracked_dir/empty + untracked_repo/ + EOF + git ls-files -o "untracked_*/" >actual && + test_cmp expect actual +' + +test_expect_success FUNNYNAMES 'git ls-files -o --directory untracked_* does not recurse' ' + cat <<-EOF >expect && + untracked_*/ + untracked_dir/ + untracked_repo/ + EOF + git ls-files -o --directory "untracked_*" >actual && + test_cmp expect actual +' + +test_expect_success FUNNYNAMES 'git ls-files -o --directory untracked_*/ does not recurse' ' + cat <<-EOF >expect && + untracked_*/ + untracked_dir/ + untracked_repo/ + EOF + git ls-files -o --directory "untracked_*/" >actual && + test_cmp expect actual +' + +test_expect_success 'git ls-files -o consistent between one or two dirs' ' + git ls-files -o --exclude-standard an_ignored_dir/ an_untracked_dir/ >tmp && + ! grep ^an_ignored_dir/ tmp >expect && + git ls-files -o --exclude-standard an_ignored_dir/ >actual && + test_cmp expect actual +' + +# ls-files doesn't have a way to request showing both untracked and ignored +# files at the same time, so use `git status --ignored` +test_expect_success 'git status --ignored shows same files under dir with or without pathspec' ' + cat <<-EOF >expect && + ?? an_untracked_dir/ + !! an_untracked_dir/ignored + EOF + git status --porcelain --ignored >output && + grep an_untracked_dir output >expect && + git status --porcelain --ignored an_untracked_dir/ >actual && + test_cmp expect actual +' + +test_done diff --git a/t/t7061-wtstatus-ignore.sh b/t/t7061-wtstatus-ignore.sh index 0c394cf995..e4cf5484f9 100755 --- a/t/t7061-wtstatus-ignore.sh +++ b/t/t7061-wtstatus-ignore.sh @@ -43,11 +43,16 @@ test_expect_success 'status untracked directory with --ignored -u' ' test_cmp expected actual ' cat >expected <<\EOF -?? untracked/uncommitted +?? untracked/ !! untracked/ignored EOF -test_expect_success 'status prefixed untracked directory with --ignored' ' +test_expect_success 'status of untracked directory with --ignored works with or without prefix' ' + git status --porcelain --ignored >tmp && + grep untracked/ tmp >actual && + rm tmp && + test_cmp expected actual && + git status --porcelain --ignored untracked/ >actual && test_cmp expected actual ' |