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-rw-r--r--builtin/clean.c191
1 files changed, 191 insertions, 0 deletions
diff --git a/builtin/clean.c b/builtin/clean.c
new file mode 100644
index 0000000..75697f7
--- /dev/null
+++ b/builtin/clean.c
@@ -0,0 +1,191 @@
+/*
+ * "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"
+#include "string-list.h"
+#include "quote.h"
+
+static int force = -1; /* unset */
+
+static const char *const builtin_clean_usage[] = {
+ "git clean [-d] [-f] [-n] [-q] [-e <pattern>] [-x | -X] [--] <paths>...",
+ NULL
+};
+
+static int git_clean_config(const char *var, const char *value, void *cb)
+{
+ if (!strcmp(var, "clean.requireforce"))
+ force = !git_config_bool(var, value);
+ return git_default_config(var, value, cb);
+}
+
+static int exclude_cb(const struct option *opt, const char *arg, int unset)
+{
+ struct string_list *exclude_list = opt->value;
+ string_list_append(exclude_list, arg);
+ return 0;
+}
+
+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, config_set = 0, errors = 0;
+ int rm_flags = REMOVE_DIR_KEEP_NESTED_GIT;
+ struct strbuf directory = STRBUF_INIT;
+ struct dir_struct dir;
+ static const char **pathspec;
+ struct strbuf buf = STRBUF_INIT;
+ struct string_list exclude_list = STRING_LIST_INIT_NODUP;
+ const char *qname;
+ char *seen = NULL;
+ struct option options[] = {
+ OPT__QUIET(&quiet, "do not print names of files removed"),
+ OPT__DRY_RUN(&show_only, "dry run"),
+ OPT__FORCE(&force, "force"),
+ OPT_BOOLEAN('d', NULL, &remove_directories,
+ "remove whole directories"),
+ { OPTION_CALLBACK, 'e', "exclude", &exclude_list, "pattern",
+ "exclude <pattern>", PARSE_OPT_NONEG, exclude_cb },
+ 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, NULL);
+ if (force < 0)
+ force = 0;
+ else
+ config_set = 1;
+
+ argc = parse_options(argc, argv, prefix, options, builtin_clean_usage,
+ 0);
+
+ memset(&dir, 0, sizeof(dir));
+ if (ignored_only)
+ dir.flags |= DIR_SHOW_IGNORED;
+
+ if (ignored && ignored_only)
+ die(_("-x and -X cannot be used together"));
+
+ if (!show_only && !force) {
+ if (config_set)
+ die(_("clean.requireForce set to true and neither -n nor -f given; "
+ "refusing to clean"));
+ else
+ die(_("clean.requireForce defaults to true and neither -n nor -f given; "
+ "refusing to clean"));
+ }
+
+ if (force > 1)
+ rm_flags = 0;
+
+ dir.flags |= DIR_SHOW_OTHER_DIRECTORIES;
+
+ if (read_cache() < 0)
+ die(_("index file corrupt"));
+
+ if (!ignored)
+ setup_standard_excludes(&dir);
+
+ for (i = 0; i < exclude_list.nr; i++)
+ add_exclude(exclude_list.items[i].string, "", 0, dir.exclude_list);
+
+ pathspec = get_pathspec(prefix, argv);
+
+ fill_directory(&dir, pathspec);
+
+ if (pathspec)
+ seen = xmalloc(argc > 0 ? argc : 1);
+
+ for (i = 0; i < dir.nr; i++) {
+ struct dir_entry *ent = dir.entries[i];
+ int len, pos;
+ int matches = 0;
+ 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 > 0 ? argc : 1);
+ matches = match_pathspec(pathspec, ent->name, len,
+ 0, seen);
+ }
+
+ if (S_ISDIR(st.st_mode)) {
+ strbuf_addstr(&directory, ent->name);
+ qname = quote_path_relative(directory.buf, directory.len, &buf, prefix);
+ if (show_only && (remove_directories ||
+ (matches == MATCHED_EXACTLY))) {
+ printf(_("Would remove %s\n"), qname);
+ } else if (remove_directories ||
+ (matches == MATCHED_EXACTLY)) {
+ if (!quiet)
+ printf(_("Removing %s\n"), qname);
+ if (remove_dir_recursively(&directory,
+ rm_flags) != 0) {
+ warning(_("failed to remove %s"), qname);
+ errors++;
+ }
+ } else if (show_only) {
+ printf(_("Would not remove %s\n"), qname);
+ } else {
+ printf(_("Not removing %s\n"), qname);
+ }
+ strbuf_reset(&directory);
+ } else {
+ if (pathspec && !matches)
+ continue;
+ qname = quote_path_relative(ent->name, -1, &buf, prefix);
+ if (show_only) {
+ printf(_("Would remove %s\n"), qname);
+ continue;
+ } else if (!quiet) {
+ printf(_("Removing %s\n"), qname);
+ }
+ if (unlink(ent->name) != 0) {
+ warning(_("failed to remove %s"), qname);
+ errors++;
+ }
+ }
+ }
+ free(seen);
+
+ strbuf_release(&directory);
+ string_list_clear(&exclude_list, 0);
+ return (errors != 0);
+}