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