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bb233d690a
We use that to specify alternative index files, which can be useful if you want to (for example) generate a temporary index file to do some specific operation that you don't want to mess with your main one with. It defaults to the regular ".git/index" if it hasn't been specified.
192 lines
4.2 KiB
C
192 lines
4.2 KiB
C
/*
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* This merges the file listing in the directory cache index
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* with the actual working directory list, and shows different
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* combinations of the two.
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*
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* Copyright (C) Linus Torvalds, 2005
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*/
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#include <dirent.h>
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#include "cache.h"
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static int show_deleted = 0;
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static int show_cached = 0;
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static int show_others = 0;
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static int show_ignored = 0;
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static int show_stage = 0;
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static int show_unmerged = 0;
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static int line_terminator = '\n';
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static const char **dir;
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static int nr_dir;
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static int dir_alloc;
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static void add_name(const char *pathname, int len)
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{
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char *name;
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if (cache_name_pos(pathname, len) >= 0)
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return;
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if (nr_dir == dir_alloc) {
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dir_alloc = alloc_nr(dir_alloc);
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dir = realloc(dir, dir_alloc*sizeof(char *));
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}
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name = malloc(len + 1);
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memcpy(name, pathname, len + 1);
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dir[nr_dir++] = name;
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}
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/*
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* Read a directory tree. We currently ignore anything but
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* directories and regular files. That's because git doesn't
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* handle them at all yet. Maybe that will change some day.
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*
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* Also, we currently ignore all names starting with a dot.
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* That likely will not change.
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*/
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static void read_directory(const char *path, const char *base, int baselen)
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{
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DIR *dir = opendir(path);
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if (dir) {
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struct dirent *de;
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char fullname[MAXPATHLEN + 1];
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memcpy(fullname, base, baselen);
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while ((de = readdir(dir)) != NULL) {
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int len;
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if (de->d_name[0] == '.')
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continue;
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len = strlen(de->d_name);
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memcpy(fullname + baselen, de->d_name, len+1);
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switch (de->d_type) {
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struct stat st;
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default:
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continue;
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case DT_UNKNOWN:
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if (lstat(fullname, &st))
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continue;
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if (S_ISREG(st.st_mode))
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break;
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if (!S_ISDIR(st.st_mode))
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continue;
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/* fallthrough */
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case DT_DIR:
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memcpy(fullname + baselen + len, "/", 2);
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read_directory(fullname, fullname, baselen + len + 1);
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continue;
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case DT_REG:
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break;
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}
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add_name(fullname, baselen + len);
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}
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closedir(dir);
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}
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}
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static int cmp_name(const void *p1, const void *p2)
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{
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const char *n1 = *(const char **)p1;
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const char *n2 = *(const char **)p2;
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int l1 = strlen(n1), l2 = strlen(n2);
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return cache_name_compare(n1, l1, n2, l2);
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}
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static void show_files(void)
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{
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int i;
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/* For cached/deleted files we don't need to even do the readdir */
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if (show_others | show_ignored) {
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read_directory(".", "", 0);
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qsort(dir, nr_dir, sizeof(char *), cmp_name);
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}
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if (show_others) {
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for (i = 0; i < nr_dir; i++)
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printf("%s%c", dir[i], line_terminator);
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}
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if (show_cached | show_stage) {
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for (i = 0; i < active_nr; i++) {
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struct cache_entry *ce = active_cache[i];
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if (show_unmerged && !ce_stage(ce))
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continue;
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if (!show_stage)
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printf("%s%c", ce->name, line_terminator);
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else
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printf(/* "%06o %s %d %10d %s%c", */
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"%06o %s %d %s%c",
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ntohl(ce->ce_mode),
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sha1_to_hex(ce->sha1),
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ce_stage(ce),
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/* ntohl(ce->ce_size), */
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ce->name, line_terminator);
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}
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}
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if (show_deleted) {
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for (i = 0; i < active_nr; i++) {
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struct cache_entry *ce = active_cache[i];
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struct stat st;
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if (!stat(ce->name, &st))
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continue;
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printf("%s%c", ce->name, line_terminator);
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}
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}
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if (show_ignored) {
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/* We don't have any "ignore" list yet */
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}
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}
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int main(int argc, char **argv)
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{
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int i;
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for (i = 1; i < argc; i++) {
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char *arg = argv[i];
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if (!strcmp(arg, "-z")) {
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line_terminator = 0;
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continue;
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}
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if (!strcmp(arg, "--cached")) {
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show_cached = 1;
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continue;
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}
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if (!strcmp(arg, "--deleted")) {
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show_deleted = 1;
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continue;
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}
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if (!strcmp(arg, "--others")) {
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show_others = 1;
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continue;
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}
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if (!strcmp(arg, "--ignored")) {
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show_ignored = 1;
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continue;
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}
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if (!strcmp(arg, "--stage")) {
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show_stage = 1;
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continue;
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}
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if (!strcmp(arg, "--unmerged")) {
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// There's no point in showing unmerged unless you also show the stage information
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show_stage = 1;
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show_unmerged = 1;
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continue;
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}
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usage("show-files [-z] (--[cached|deleted|others|ignored|stage])*");
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}
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/* With no flags, we default to showing the cached files */
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if (!(show_stage | show_deleted | show_others | show_ignored | show_unmerged))
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show_cached = 1;
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read_cache();
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show_files();
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return 0;
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}
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