Andrew's git - gitweb.git/blob

   1/*
   2 * This merges the file listing in the directory cache index
   3 * with the actual working directory list, and shows different
   4 * combinations of the two.
   5 *
   6 * Copyright (C) Linus Torvalds, 2005
   7 */
   8#include <dirent.h>
   9
  10#include "cache.h"
  11
  12static int show_deleted = 0;
  13static int show_cached = 0;
  14static int show_others = 0;
  15static int show_ignored = 0;
  16static int show_stage = 0;
  17static int show_unmerged = 0;
  18static int line_terminator = '\n';
  19
  20static const char **dir;
  21static int nr_dir;
  22static int dir_alloc;
  23
  24static void add_name(const char *pathname, int len)
  25{
  26        char *name;
  27
  28        if (cache_name_pos(pathname, len) >= 0)
  29                return;
  30
  31        if (nr_dir == dir_alloc) {
  32                dir_alloc = alloc_nr(dir_alloc);
  33                dir = realloc(dir, dir_alloc*sizeof(char *));
  34        }
  35        name = malloc(len + 1);
  36        memcpy(name, pathname, len + 1);
  37        dir[nr_dir++] = name;
  38}
  39
  40/*
  41 * Read a directory tree. We currently ignore anything but
  42 * directories and regular files. That's because git doesn't
  43 * handle them at all yet. Maybe that will change some day.
  44 *
  45 * Also, we currently ignore all names starting with a dot.
  46 * That likely will not change.
  47 */
  48static void read_directory(const char *path, const char *base, int baselen)
  49{
  50        DIR *dir = opendir(path);
  51
  52        if (dir) {
  53                struct dirent *de;
  54                char fullname[MAXPATHLEN + 1];
  55                memcpy(fullname, base, baselen);
  56
  57                while ((de = readdir(dir)) != NULL) {
  58                        int len;
  59
  60                        if (de->d_name[0] == '.')
  61                                continue;
  62                        len = strlen(de->d_name);
  63                        memcpy(fullname + baselen, de->d_name, len+1);
  64
  65                        switch (de->d_type) {
  66                        struct stat st;
  67                        default:
  68                                continue;
  69                        case DT_UNKNOWN:
  70                                if (lstat(fullname, &st))
  71                                        continue;
  72                                if (S_ISREG(st.st_mode))
  73                                        break;
  74                                if (!S_ISDIR(st.st_mode))
  75                                        continue;
  76                                /* fallthrough */
  77                        case DT_DIR:
  78                                memcpy(fullname + baselen + len, "/", 2);
  79                                read_directory(fullname, fullname, baselen + len + 1);
  80                                continue;
  81                        case DT_REG:
  82                                break;
  83                        }
  84                        add_name(fullname, baselen + len);
  85                }
  86                closedir(dir);
  87        }
  88}
  89
  90static int cmp_name(const void *p1, const void *p2)
  91{
  92        const char *n1 = *(const char **)p1;
  93        const char *n2 = *(const char **)p2;
  94        int l1 = strlen(n1), l2 = strlen(n2);
  95
  96        return cache_name_compare(n1, l1, n2, l2);
  97}
  98
  99static void show_files(void)
 100{
 101        int i;
 102
 103        /* For cached/deleted files we don't need to even do the readdir */
 104        if (show_others | show_ignored) {
 105                read_directory(".", "", 0);
 106                qsort(dir, nr_dir, sizeof(char *), cmp_name);
 107        }
 108        if (show_others) {
 109                for (i = 0; i < nr_dir; i++)
 110                        printf("%s%c", dir[i], line_terminator);
 111        }
 112        if (show_cached | show_stage) {
 113                for (i = 0; i < active_nr; i++) {
 114                        struct cache_entry *ce = active_cache[i];
 115                        if (show_unmerged && !ce_stage(ce))
 116                                continue;
 117                        if (!show_stage)
 118                                printf("%s%c", ce->name, line_terminator);
 119                        else
 120                                printf(/* "%06o %s %d %10d %s%c", */
 121                                       "%06o %s %d %s%c",
 122                                       ntohl(ce->ce_mode),
 123                                       sha1_to_hex(ce->sha1),
 124                                       ce_stage(ce),
 125                                       /* ntohl(ce->ce_size), */
 126                                       ce->name, line_terminator); 
 127                }
 128        }
 129        if (show_deleted) {
 130                for (i = 0; i < active_nr; i++) {
 131                        struct cache_entry *ce = active_cache[i];
 132                        struct stat st;
 133                        if (!stat(ce->name, &st))
 134                                continue;
 135                        printf("%s%c", ce->name, line_terminator);
 136                }
 137        }
 138        if (show_ignored) {
 139                /* We don't have any "ignore" list yet */
 140        }
 141}
 142
 143int main(int argc, char **argv)
 144{
 145        int i;
 146
 147        for (i = 1; i < argc; i++) {
 148                char *arg = argv[i];
 149
 150                if (!strcmp(arg, "-z")) {
 151                        line_terminator = 0;
 152                        continue;
 153                }
 154
 155                if (!strcmp(arg, "--cached")) {
 156                        show_cached = 1;
 157                        continue;
 158                }
 159                if (!strcmp(arg, "--deleted")) {
 160                        show_deleted = 1;
 161                        continue;
 162                }
 163                if (!strcmp(arg, "--others")) {
 164                        show_others = 1;
 165                        continue;
 166                }
 167                if (!strcmp(arg, "--ignored")) {
 168                        show_ignored = 1;
 169                        continue;
 170                }
 171                if (!strcmp(arg, "--stage")) {
 172                        show_stage = 1;
 173                        continue;
 174                }
 175                if (!strcmp(arg, "--unmerged")) {
 176                        // There's no point in showing unmerged unless you also show the stage information
 177                        show_stage = 1;
 178                        show_unmerged = 1;
 179                        continue;
 180                }
 181
 182                usage("show-files [-z] (--[cached|deleted|others|ignored|stage])*");
 183        }
 184
 185        /* With no flags, we default to showing the cached files */
 186        if (!(show_stage | show_deleted | show_others | show_ignored | show_unmerged))
 187                show_cached = 1;
 188
 189        read_cache();
 190        show_files();
 191        return 0;
 192}