[PATCH] Header files for object parsing
[alt-git.git] / show-files.c
blobb1a8e3dd5556b61dd771d32307c6ee5d7150fa43
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.
6 * Copyright (C) Linus Torvalds, 2005
7 */
8 #include <dirent.h>
9 #include <sys/param.h>
11 #include "cache.h"
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 static int show_stage = 0;
18 static int show_unmerged = 0;
19 static int line_terminator = '\n';
21 static const char **dir;
22 static int nr_dir;
23 static int dir_alloc;
25 static void add_name(const char *pathname, int len)
27 char *name;
29 if (cache_name_pos(pathname, len) >= 0)
30 return;
32 if (nr_dir == dir_alloc) {
33 dir_alloc = alloc_nr(dir_alloc);
34 dir = realloc(dir, dir_alloc*sizeof(char *));
36 name = malloc(len + 1);
37 memcpy(name, pathname, len + 1);
38 dir[nr_dir++] = name;
42 * Read a directory tree. We currently ignore anything but
43 * directories and regular files. That's because git doesn't
44 * handle them at all yet. Maybe that will change some day.
46 * Also, we currently ignore all names starting with a dot.
47 * That likely will not change.
49 static void read_directory(const char *path, const char *base, int baselen)
51 DIR *dir = opendir(path);
53 if (dir) {
54 struct dirent *de;
55 char fullname[MAXPATHLEN + 1];
56 memcpy(fullname, base, baselen);
58 while ((de = readdir(dir)) != NULL) {
59 int len;
61 if (de->d_name[0] == '.')
62 continue;
63 len = strlen(de->d_name);
64 memcpy(fullname + baselen, de->d_name, len+1);
66 switch (de->d_type) {
67 struct stat st;
68 default:
69 continue;
70 case DT_UNKNOWN:
71 if (lstat(fullname, &st))
72 continue;
73 if (S_ISREG(st.st_mode))
74 break;
75 if (!S_ISDIR(st.st_mode))
76 continue;
77 /* fallthrough */
78 case DT_DIR:
79 memcpy(fullname + baselen + len, "/", 2);
80 read_directory(fullname, fullname, baselen + len + 1);
81 continue;
82 case DT_REG:
83 break;
85 add_name(fullname, baselen + len);
87 closedir(dir);
91 static int cmp_name(const void *p1, const void *p2)
93 const char *n1 = *(const char **)p1;
94 const char *n2 = *(const char **)p2;
95 int l1 = strlen(n1), l2 = strlen(n2);
97 return cache_name_compare(n1, l1, n2, l2);
100 static void show_files(void)
102 int i;
104 /* For cached/deleted files we don't need to even do the readdir */
105 if (show_others | show_ignored) {
106 read_directory(".", "", 0);
107 qsort(dir, nr_dir, sizeof(char *), cmp_name);
109 if (show_others) {
110 for (i = 0; i < nr_dir; i++)
111 printf("%s%c", dir[i], line_terminator);
113 if (show_cached | show_stage) {
114 for (i = 0; i < active_nr; i++) {
115 struct cache_entry *ce = active_cache[i];
116 if (show_unmerged && !ce_stage(ce))
117 continue;
118 if (!show_stage)
119 printf("%s%c", ce->name, line_terminator);
120 else
121 printf(/* "%06o %s %d %10d %s%c", */
122 "%06o %s %d %s%c",
123 ntohl(ce->ce_mode),
124 sha1_to_hex(ce->sha1),
125 ce_stage(ce),
126 /* ntohl(ce->ce_size), */
127 ce->name, line_terminator);
130 if (show_deleted) {
131 for (i = 0; i < active_nr; i++) {
132 struct cache_entry *ce = active_cache[i];
133 struct stat st;
134 if (!stat(ce->name, &st))
135 continue;
136 printf("%s%c", ce->name, line_terminator);
139 if (show_ignored) {
140 /* We don't have any "ignore" list yet */
144 int main(int argc, char **argv)
146 int i;
148 for (i = 1; i < argc; i++) {
149 char *arg = argv[i];
151 if (!strcmp(arg, "-z")) {
152 line_terminator = 0;
153 continue;
156 if (!strcmp(arg, "--cached")) {
157 show_cached = 1;
158 continue;
160 if (!strcmp(arg, "--deleted")) {
161 show_deleted = 1;
162 continue;
164 if (!strcmp(arg, "--others")) {
165 show_others = 1;
166 continue;
168 if (!strcmp(arg, "--ignored")) {
169 show_ignored = 1;
170 continue;
172 if (!strcmp(arg, "--stage")) {
173 show_stage = 1;
174 continue;
176 if (!strcmp(arg, "--unmerged")) {
177 // There's no point in showing unmerged unless you also show the stage information
178 show_stage = 1;
179 show_unmerged = 1;
180 continue;
183 usage("show-files [-z] (--[cached|deleted|others|ignored|stage])*");
186 /* With no flags, we default to showing the cached files */
187 if (!(show_stage | show_deleted | show_others | show_ignored | show_unmerged))
188 show_cached = 1;
190 read_cache();
191 show_files();
192 return 0;