diff options
Diffstat (limited to 'builtin-clean.c')
| -rw-r--r-- | builtin-clean.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/builtin-clean.c b/builtin-clean.c new file mode 100644 index 0000000..6cad8ea --- /dev/null +++ b/builtin-clean.c @@ -0,0 +1,172 @@ +/* + * "git clean" builtin command + * + * Copyright (C) 2007 Shawn Bohrer + * + * Based on git-clean.sh by Pavel Roskin + */ + +#include "builtin.h" +#include "cache.h" +#include "dir.h" +#include "parse-options.h" + +static int force = -1; /* unset */ + +static const char *const builtin_clean_usage[] = { + "git-clean [-d] [-f] [-n] [-q] [-x | -X] [--] <paths>...", + NULL +}; + +static int git_clean_config(const char *var, const char *value) +{ + if (!strcmp(var, "clean.requireforce")) + force = !git_config_bool(var, value); + return git_default_config(var, value); +} + +int cmd_clean(int argc, const char **argv, const char *prefix) +{ + int i; + int show_only = 0, remove_directories = 0, quiet = 0, ignored = 0; + int ignored_only = 0, baselen = 0, config_set = 0; + struct strbuf directory; + struct dir_struct dir; + const char *path, *base; + static const char **pathspec; + int prefix_offset = 0; + char *seen = NULL; + struct option options[] = { + OPT__QUIET(&quiet), + OPT__DRY_RUN(&show_only), + OPT_BOOLEAN('f', NULL, &force, "force"), + OPT_BOOLEAN('d', NULL, &remove_directories, + "remove whole directories"), + OPT_BOOLEAN('x', NULL, &ignored, "remove ignored files, too"), + OPT_BOOLEAN('X', NULL, &ignored_only, + "remove only ignored files"), + OPT_END() + }; + + git_config(git_clean_config); + if (force < 0) + force = 0; + else + config_set = 1; + + argc = parse_options(argc, argv, options, builtin_clean_usage, 0); + + memset(&dir, 0, sizeof(dir)); + if (ignored_only) + dir.show_ignored = 1; + + if (ignored && ignored_only) + die("-x and -X cannot be used together"); + + if (!show_only && !force) + die("clean.requireForce%s set and -n or -f not given; " + "refusing to clean", config_set ? "" : " not"); + + dir.show_other_directories = 1; + + if (!ignored) + setup_standard_excludes(&dir); + + if (prefix) + prefix_offset = strlen(prefix); + pathspec = get_pathspec(prefix, argv); + read_cache(); + + /* + * Calculate common prefix for the pathspec, and + * use that to optimize the directory walk + */ + baselen = common_prefix(pathspec); + path = "."; + base = ""; + if (baselen) + path = base = xmemdupz(*pathspec, baselen); + read_directory(&dir, path, base, baselen, pathspec); + strbuf_init(&directory, 0); + + if (pathspec) + seen = xmalloc(argc); + + for (i = 0; i < dir.nr; i++) { + struct dir_entry *ent = dir.entries[i]; + int len, pos, matches; + struct cache_entry *ce; + struct stat st; + + /* + * Remove the '/' at the end that directory + * walking adds for directory entries. + */ + len = ent->len; + if (len && ent->name[len-1] == '/') + len--; + pos = cache_name_pos(ent->name, len); + if (0 <= pos) + continue; /* exact match */ + pos = -pos - 1; + if (pos < active_nr) { + ce = active_cache[pos]; + if (ce_namelen(ce) == len && + !memcmp(ce->name, ent->name, len)) + continue; /* Yup, this one exists unmerged */ + } + + /* + * we might have removed this as part of earlier + * recursive directory removal, so lstat() here could + * fail with ENOENT. + */ + if (lstat(ent->name, &st)) + continue; + + if (pathspec) { + memset(seen, 0, argc); + matches = match_pathspec(pathspec, ent->name, ent->len, + baselen, seen); + } else { + matches = 0; + } + + if (S_ISDIR(st.st_mode)) { + strbuf_addstr(&directory, ent->name); + if (show_only && (remove_directories || matches)) { + printf("Would remove %s\n", + directory.buf + prefix_offset); + } else if (quiet && (remove_directories || matches)) { + remove_dir_recursively(&directory, 0); + } else if (remove_directories || matches) { + printf("Removing %s\n", + directory.buf + prefix_offset); + remove_dir_recursively(&directory, 0); + } else if (show_only) { + printf("Would not remove %s\n", + directory.buf + prefix_offset); + } else { + printf("Not removing %s\n", + directory.buf + prefix_offset); + } + strbuf_reset(&directory); + } else { + if (pathspec && !matches) + continue; + if (show_only) { + printf("Would remove %s\n", + ent->name + prefix_offset); + continue; + } else if (!quiet) { + printf("Removing %s\n", + ent->name + prefix_offset); + } + unlink(ent->name); + } + } + free(seen); + + strbuf_release(&directory); + return 0; +} |