Andrew's git - gitweb.git/blob

   1/*
   2 * "git clean" builtin command
   3 *
   4 * Copyright (C) 2007 Shawn Bohrer
   5 *
   6 * Based on git-clean.sh by Pavel Roskin
   7 */
   8
   9#include "builtin.h"
  10#include "cache.h"
  11#include "dir.h"
  12#include "parse-options.h"
  13
  14static int force = -1; /* unset */
  15
  16static const char *const builtin_clean_usage[] = {
  17        "git-clean [-d] [-f] [-n] [-q] [-x | -X] [--] <paths>...",
  18        NULL
  19};
  20
  21static int git_clean_config(const char *var, const char *value)
  22{
  23        if (!strcmp(var, "clean.requireforce"))
  24                force = !git_config_bool(var, value);
  25        return git_default_config(var, value);
  26}
  27
  28int cmd_clean(int argc, const char **argv, const char *prefix)
  29{
  30        int j;
  31        int show_only = 0, remove_directories = 0, quiet = 0, ignored = 0;
  32        int ignored_only = 0, baselen = 0, config_set = 0;
  33        struct strbuf directory;
  34        struct dir_struct dir;
  35        const char *path, *base;
  36        static const char **pathspec;
  37        struct option options[] = {
  38                OPT__QUIET(&quiet),
  39                OPT__DRY_RUN(&show_only),
  40                OPT_BOOLEAN('f', NULL, &force, "force"),
  41                OPT_BOOLEAN('d', NULL, &remove_directories,
  42                                "remove whole directories"),
  43                OPT_BOOLEAN('x', NULL, &ignored, "remove ignored files, too"),
  44                OPT_BOOLEAN('X', NULL, &ignored_only,
  45                                "remove only ignored files"),
  46                OPT_END()
  47        };
  48
  49        git_config(git_clean_config);
  50        if (force < 0)
  51                force = 0;
  52        else
  53                config_set = 1;
  54
  55        argc = parse_options(argc, argv, options, builtin_clean_usage, 0);
  56
  57        memset(&dir, 0, sizeof(dir));
  58        if (ignored_only)
  59                dir.show_ignored = 1;
  60
  61        if (ignored && ignored_only)
  62                die("-x and -X cannot be used together");
  63
  64        if (!show_only && !force)
  65                die("clean.requireForce%s set and -n or -f not given; "
  66                    "refusing to clean", config_set ? "" : " not");
  67
  68        dir.show_other_directories = 1;
  69
  70        if (!ignored)
  71                setup_standard_excludes(&dir);
  72
  73        pathspec = get_pathspec(prefix, argv);
  74        read_cache();
  75
  76        /*
  77         * Calculate common prefix for the pathspec, and
  78         * use that to optimize the directory walk
  79         */
  80        baselen = common_prefix(pathspec);
  81        path = ".";
  82        base = "";
  83        if (baselen)
  84                path = base = xmemdupz(*pathspec, baselen);
  85        read_directory(&dir, path, base, baselen, pathspec);
  86        strbuf_init(&directory, 0);
  87
  88        for (j = 0; j < dir.nr; ++j) {
  89                struct dir_entry *ent = dir.entries[j];
  90                int len, pos, specs;
  91                struct cache_entry *ce;
  92                struct stat st;
  93                char *seen;
  94
  95                /*
  96                 * Remove the '/' at the end that directory
  97                 * walking adds for directory entries.
  98                 */
  99                len = ent->len;
 100                if (len && ent->name[len-1] == '/')
 101                        len--;
 102                pos = cache_name_pos(ent->name, len);
 103                if (0 <= pos)
 104                        continue;       /* exact match */
 105                pos = -pos - 1;
 106                if (pos < active_nr) {
 107                        ce = active_cache[pos];
 108                        if (ce_namelen(ce) == len &&
 109                            !memcmp(ce->name, ent->name, len))
 110                                continue; /* Yup, this one exists unmerged */
 111                }
 112
 113                if (!lstat(ent->name, &st) && (S_ISDIR(st.st_mode))) {
 114                        int matched_path = 0;
 115                        strbuf_addstr(&directory, ent->name);
 116                        if (pathspec) {
 117                                for (specs =0; pathspec[specs]; ++specs)
 118                                        /* nothing */;
 119                                seen = xcalloc(specs, 1);
 120                                /* Check if directory was explictly passed as
 121                                 * pathspec.  If so we want to remove it */
 122                                if (match_pathspec(pathspec, ent->name, ent->len,
 123                                                   baselen, seen))
 124                                        matched_path = 1;
 125                                free(seen);
 126                        }
 127                        if (show_only && (remove_directories || matched_path)) {
 128                                printf("Would remove %s\n", directory.buf);
 129                        } else if (quiet && (remove_directories || matched_path)) {
 130                                remove_dir_recursively(&directory, 0);
 131                        } else if (remove_directories || matched_path) {
 132                                printf("Removing %s\n", directory.buf);
 133                                remove_dir_recursively(&directory, 0);
 134                        } else if (show_only) {
 135                                printf("Would not remove %s\n", directory.buf);
 136                        } else {
 137                                printf("Not removing %s\n", directory.buf);
 138                        }
 139                        strbuf_reset(&directory);
 140                } else {
 141                        if (show_only) {
 142                                printf("Would remove %s\n", ent->name);
 143                                continue;
 144                        } else if (!quiet) {
 145                                printf("Removing %s\n", ent->name);
 146                        }
 147                        unlink(ent->name);
 148                }
 149        }
 150
 151        strbuf_release(&directory);
 152        return 0;
 153}