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;
  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 0;
  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;
  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        argc = parse_options(argc, argv, options, builtin_clean_usage, 0);
  51
  52        memset(&dir, 0, sizeof(dir));
  53        if (ignored_only) {
  54                dir.show_ignored =1;
  55                dir.exclude_per_dir = ".gitignore";
  56        }
  57
  58        if (ignored && ignored_only)
  59                die("-x and -X cannot be used together");
  60
  61        if (!show_only && !force)
  62                die("clean.requireForce set and -n or -f not given; refusing to clean");
  63
  64        dir.show_other_directories = 1;
  65
  66        if (!ignored) {
  67                dir.exclude_per_dir = ".gitignore";
  68                if (!access(git_path("info/exclude"), F_OK)) {
  69                        char *exclude_path = git_path("info/exclude");
  70                        add_excludes_from_file(&dir, exclude_path);
  71                }
  72        }
  73
  74        pathspec = get_pathspec(prefix, argv);
  75        read_cache();
  76
  77        /*
  78         * Calculate common prefix for the pathspec, and
  79         * use that to optimize the directory walk
  80         */
  81        baselen = common_prefix(pathspec);
  82        path = ".";
  83        base = "";
  84        if (baselen)
  85                path = base = xmemdupz(*pathspec, baselen);
  86        read_directory(&dir, path, base, baselen, pathspec);
  87        strbuf_init(&directory, 0);
  88
  89        for (j = 0; j < dir.nr; ++j) {
  90                struct dir_entry *ent = dir.entries[j];
  91                int len, pos, specs;
  92                struct cache_entry *ce;
  93                struct stat st;
  94                char *seen;
  95
  96                /*
  97                 * Remove the '/' at the end that directory
  98                 * walking adds for directory entries.
  99                 */
 100                len = ent->len;
 101                if (len && ent->name[len-1] == '/')
 102                        len--;
 103                pos = cache_name_pos(ent->name, len);
 104                if (0 <= pos)
 105                        continue;       /* exact match */
 106                pos = -pos - 1;
 107                if (pos < active_nr) {
 108                        ce = active_cache[pos];
 109                        if (ce_namelen(ce) == len &&
 110                            !memcmp(ce->name, ent->name, len))
 111                                continue; /* Yup, this one exists unmerged */
 112                }
 113
 114                if (!lstat(ent->name, &st) && (S_ISDIR(st.st_mode))) {
 115                        int matched_path = 0;
 116                        strbuf_addstr(&directory, ent->name);
 117                        if (pathspec) {
 118                                for (specs =0; pathspec[specs]; ++specs)
 119                                        /* nothing */;
 120                                seen = xcalloc(specs, 1);
 121                                /* Check if directory was explictly passed as
 122                                 * pathspec.  If so we want to remove it */
 123                                if (match_pathspec(pathspec, ent->name, ent->len,
 124                                                   baselen, seen))
 125                                        matched_path = 1;
 126                                free(seen);
 127                        }
 128                        if (show_only && (remove_directories || matched_path)) {
 129                                printf("Would remove %s\n", directory.buf);
 130                        } else if (quiet && (remove_directories || matched_path)) {
 131                                remove_dir_recursively(&directory, 0);
 132                        } else if (remove_directories || matched_path) {
 133                                printf("Removing %s\n", directory.buf);
 134                                remove_dir_recursively(&directory, 0);
 135                        } else if (show_only) {
 136                                printf("Would not remove %s\n", directory.buf);
 137                        } else {
 138                                printf("Not removing %s\n", directory.buf);
 139                        }
 140                        strbuf_reset(&directory);
 141                } else {
 142                        if (show_only) {
 143                                printf("Would remove %s\n", ent->name);
 144                                continue;
 145                        } else if (!quiet) {
 146                                printf("Removing %s\n", ent->name);
 147                        }
 148                        unlink(ent->name);
 149                }
 150        }
 151
 152        strbuf_release(&directory);
 153        return 0;
 154}