diff options
Diffstat (limited to 'dir.c')
| -rw-r--r-- | dir.c | 176 |
1 files changed, 143 insertions, 33 deletions
@@ -10,6 +10,7 @@ #include "cache.h" #include "dir.h" #include "refs.h" +#include "wildmatch.h" struct path_simplify { int len; @@ -36,10 +37,33 @@ int fnmatch_icase(const char *pattern, const char *string, int flags) return fnmatch(pattern, string, flags | (ignore_case ? FNM_CASEFOLD : 0)); } +inline int git_fnmatch(const char *pattern, const char *string, + int flags, int prefix) +{ + int fnm_flags = 0; + if (flags & GFNM_PATHNAME) + fnm_flags |= FNM_PATHNAME; + if (prefix > 0) { + if (strncmp(pattern, string, prefix)) + return FNM_NOMATCH; + pattern += prefix; + string += prefix; + } + if (flags & GFNM_ONESTAR) { + int pattern_len = strlen(++pattern); + int string_len = strlen(string); + return string_len < pattern_len || + strcmp(pattern, + string + string_len - pattern_len); + } + return fnmatch(pattern, string, fnm_flags); +} + static size_t common_prefix_len(const char **pathspec) { const char *n, *first; size_t max = 0; + int literal = limit_pathspec_to_literal(); if (!pathspec) return max; @@ -49,7 +73,7 @@ static size_t common_prefix_len(const char **pathspec) size_t i, len = 0; for (i = 0; first == n || i < max; i++) { char c = n[i]; - if (!c || c != first[i] || is_glob_special(c)) + if (!c || c != first[i] || (!literal && is_glob_special(c))) break; if (c == '/') len = i + 1; @@ -119,6 +143,7 @@ int within_depth(const char *name, int namelen, static int match_one(const char *match, const char *name, int namelen) { int matchlen; + int literal = limit_pathspec_to_literal(); /* If the match was just the prefix, we matched */ if (!*match) @@ -128,7 +153,7 @@ static int match_one(const char *match, const char *name, int namelen) for (;;) { unsigned char c1 = tolower(*match); unsigned char c2 = tolower(*name); - if (c1 == '\0' || is_glob_special(c1)) + if (c1 == '\0' || (!literal && is_glob_special(c1))) break; if (c1 != c2) return 0; @@ -140,7 +165,7 @@ static int match_one(const char *match, const char *name, int namelen) for (;;) { unsigned char c1 = *match; unsigned char c2 = *name; - if (c1 == '\0' || is_glob_special(c1)) + if (c1 == '\0' || (!literal && is_glob_special(c1))) break; if (c1 != c2) return 0; @@ -150,14 +175,16 @@ static int match_one(const char *match, const char *name, int namelen) } } - /* * If we don't match the matchstring exactly, * we need to match by fnmatch */ matchlen = strlen(match); - if (strncmp_icase(match, name, matchlen)) + if (strncmp_icase(match, name, matchlen)) { + if (literal) + return 0; return !fnmatch_icase(match, name, 0) ? MATCHED_FNMATCH : 0; + } if (namelen == matchlen) return MATCHED_EXACTLY; @@ -239,7 +266,10 @@ static int match_pathspec_item(const struct pathspec_item *item, int prefix, return MATCHED_RECURSIVELY; } - if (item->use_wildcard && !fnmatch(match, name, 0)) + if (item->nowildcard_len < item->len && + !git_fnmatch(match, name, + item->flags & PATHSPEC_ONESTAR ? GFNM_ONESTAR : 0, + item->nowildcard_len - prefix)) return MATCHED_FNMATCH; return 0; @@ -447,6 +477,8 @@ int add_excludes_from_file_to_list(const char *fname, fd = open(fname, O_RDONLY); if (fd < 0 || fstat(fd, &st) < 0) { + if (errno != ENOENT) + warn_on_inaccessible(fname); if (0 <= fd) close(fd); if (!check_index || @@ -652,7 +684,8 @@ int match_pathname(const char *pathname, int pathlen, namelen -= prefix; } - return fnmatch_icase(pattern, name, FNM_PATHNAME) == 0; + return wildmatch(pattern, name, + ignore_case ? FNM_CASEFOLD : 0) == 0; } /* @@ -863,7 +896,8 @@ static struct dir_entry *dir_entry_new(const char *pathname, int len) static struct dir_entry *dir_add_name(struct dir_struct *dir, const char *pathname, int len) { - if (cache_name_exists(pathname, len, ignore_case)) + if (!(dir->flags & DIR_SHOW_IGNORED) && + cache_name_exists(pathname, len, ignore_case)) return NULL; ALLOC_GROW(dir->entries, dir->nr+1, dir->alloc); @@ -965,8 +999,9 @@ static enum exist_status directory_exists_in_index(const char *dirname, int len) * traversal routine. * * Case 1: If we *already* have entries in the index under that - * directory name, we always recurse into the directory to see - * all the files. + * directory name, we recurse into the directory to see all the files, + * unless the directory is excluded and we want to show ignored + * directories * * Case 2: If we *already* have that directory name as a gitlink, * we always continue to see it as a gitlink, regardless of whether @@ -980,6 +1015,9 @@ static enum exist_status directory_exists_in_index(const char *dirname, int len) * just a directory, unless "hide_empty_directories" is * also true and the directory is empty, in which case * we just ignore it entirely. + * if we are looking for ignored directories, look if it + * contains only ignored files to decide if it must be shown as + * ignored or not. * (b) if it looks like a git directory, and we don't have * 'no_gitlinks' set we treat it as a gitlink, and show it * as a directory. @@ -992,12 +1030,15 @@ enum directory_treatment { }; static enum directory_treatment treat_directory(struct dir_struct *dir, - const char *dirname, int len, + const char *dirname, int len, int exclude, const struct path_simplify *simplify) { /* The "len-1" is to strip the final '/' */ switch (directory_exists_in_index(dirname, len-1)) { case index_directory: + if ((dir->flags & DIR_SHOW_OTHER_DIRECTORIES) && exclude) + break; + return recurse_into_directory; case index_gitdir: @@ -1017,7 +1058,23 @@ static enum directory_treatment treat_directory(struct dir_struct *dir, } /* This is the "show_other_directories" case */ - if (!(dir->flags & DIR_HIDE_EMPTY_DIRECTORIES)) + + /* + * We are looking for ignored files and our directory is not ignored, + * check if it contains only ignored files + */ + if ((dir->flags & DIR_SHOW_IGNORED) && !exclude) { + int ignored; + dir->flags &= ~DIR_SHOW_IGNORED; + dir->flags |= DIR_HIDE_EMPTY_DIRECTORIES; + ignored = read_directory_recursive(dir, dirname, len, 1, simplify); + dir->flags &= ~DIR_HIDE_EMPTY_DIRECTORIES; + dir->flags |= DIR_SHOW_IGNORED; + + return ignored ? ignore_directory : show_directory; + } + if (!(dir->flags & DIR_SHOW_IGNORED) && + !(dir->flags & DIR_HIDE_EMPTY_DIRECTORIES)) return show_directory; if (!read_directory_recursive(dir, dirname, len, 1, simplify)) return ignore_directory; @@ -1025,6 +1082,45 @@ static enum directory_treatment treat_directory(struct dir_struct *dir, } /* + * Decide what to do when we find a file while traversing the + * filesystem. Mostly two cases: + * + * 1. We are looking for ignored files + * (a) File is ignored, include it + * (b) File is in ignored path, include it + * (c) File is not ignored, exclude it + * + * 2. Other scenarios, include the file if not excluded + * + * Return 1 for exclude, 0 for include. + */ +static int treat_file(struct dir_struct *dir, struct strbuf *path, int exclude, int *dtype) +{ + struct path_exclude_check check; + int exclude_file = 0; + + if (exclude) + exclude_file = !(dir->flags & DIR_SHOW_IGNORED); + else if (dir->flags & DIR_SHOW_IGNORED) { + /* Always exclude indexed files */ + struct cache_entry *ce = index_name_exists(&the_index, + path->buf, path->len, ignore_case); + + if (ce) + return 1; + + path_exclude_check_init(&check, dir); + + if (!is_path_excluded(&check, path->buf, path->len, dtype)) + exclude_file = 1; + + path_exclude_check_clear(&check); + } + + return exclude_file; +} + +/* * This is an inexact early pruning of any recursive directory * reading - if the path cannot possibly be in the pathspec, * return true, and we'll skip it early. @@ -1162,27 +1258,14 @@ static enum path_treatment treat_one_path(struct dir_struct *dir, if (dtype == DT_UNKNOWN) dtype = get_dtype(de, path->buf, path->len); - /* - * Do we want to see just the ignored files? - * We still need to recurse into directories, - * even if we don't ignore them, since the - * directory may contain files that we do.. - */ - if (!exclude && (dir->flags & DIR_SHOW_IGNORED)) { - if (dtype != DT_DIR) - return path_ignored; - } - switch (dtype) { default: return path_ignored; case DT_DIR: strbuf_addch(path, '/'); - switch (treat_directory(dir, path->buf, path->len, simplify)) { + + switch (treat_directory(dir, path->buf, path->len, exclude, simplify)) { case show_directory: - if (exclude != !!(dir->flags - & DIR_SHOW_IGNORED)) - return path_ignored; break; case recurse_into_directory: return path_recurse; @@ -1192,7 +1275,12 @@ static enum path_treatment treat_one_path(struct dir_struct *dir, break; case DT_REG: case DT_LNK: - break; + switch (treat_file(dir, path, exclude, &dtype)) { + case 1: + return path_ignored; + default: + break; + } } return path_handled; } @@ -1496,12 +1584,17 @@ int remove_dir_recursively(struct strbuf *path, int flag) void setup_standard_excludes(struct dir_struct *dir) { const char *path; + char *xdg_path; dir->exclude_per_dir = ".gitignore"; path = git_path("info/exclude"); - if (!access(path, R_OK)) + if (!excludes_file) { + home_config_paths(NULL, &xdg_path, "ignore"); + excludes_file = xdg_path; + } + if (!access_or_warn(path, R_OK)) add_excludes_from_file(dir, path); - if (excludes_file && !access(excludes_file, R_OK)) + if (excludes_file && !access_or_warn(excludes_file, R_OK)) add_excludes_from_file(dir, excludes_file); } @@ -1555,9 +1648,18 @@ int init_pathspec(struct pathspec *pathspec, const char **paths) item->match = path; item->len = strlen(path); - item->use_wildcard = !no_wildcard(path); - if (item->use_wildcard) - pathspec->has_wildcard = 1; + item->flags = 0; + if (limit_pathspec_to_literal()) { + item->nowildcard_len = item->len; + } else { + item->nowildcard_len = simple_length(path); + if (item->nowildcard_len < item->len) { + pathspec->has_wildcard = 1; + if (path[item->nowildcard_len] == '*' && + no_wildcard(path + item->nowildcard_len + 1)) + item->flags |= PATHSPEC_ONESTAR; + } + } } qsort(pathspec->items, pathspec->nr, @@ -1572,6 +1674,14 @@ void free_pathspec(struct pathspec *pathspec) pathspec->items = NULL; } +int limit_pathspec_to_literal(void) +{ + static int flag = -1; + if (flag < 0) + flag = git_env_bool(GIT_LITERAL_PATHSPECS_ENVIRONMENT, 0); + return flag; +} + /* * Frees memory within dir which was allocated for exclude lists and * the exclude_stack. Does not free dir itself. |