git.oblomov.eu Git - git/blob - builtin-clean.c

   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
  14 static int force;
  15
  16 static const char *const builtin_clean_usage[] = {
  17         "git-clean [-d] [-f] [-n] [-q] [-x | -X] [--] <paths>...",
  18         NULL
  19 };
  20
  21 static 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
  28 int 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 }