Merge branch 'master' of git://git.kernel.org/pub/scm/git/git
[git/jnareb-git.git] / test-path-utils.c
blob0092cbf3540e2fdfd2e882461ba39ba2a833b672
1 #include "cache.h"
2 #include "string-list.h"
4 /*
5 * A "string_list_each_func_t" function that normalizes an entry from
6 * GIT_CEILING_DIRECTORIES. If the path is unusable for some reason,
7 * die with an explanation.
8 */
9 static int normalize_ceiling_entry(struct string_list_item *item, void *unused)
11 const char *ceil = item->string;
12 int len = strlen(ceil);
13 char buf[PATH_MAX+1];
15 if (len == 0)
16 die("Empty path is not supported");
17 if (len > PATH_MAX)
18 die("Path \"%s\" is too long", ceil);
19 if (!is_absolute_path(ceil))
20 die("Path \"%s\" is not absolute", ceil);
21 if (normalize_path_copy(buf, ceil) < 0)
22 die("Path \"%s\" could not be normalized", ceil);
23 len = strlen(buf);
24 if (len > 1 && buf[len-1] == '/')
25 die("Normalized path \"%s\" ended with slash", buf);
26 free(item->string);
27 item->string = xstrdup(buf);
28 return 1;
31 int main(int argc, char **argv)
33 if (argc == 3 && !strcmp(argv[1], "normalize_path_copy")) {
34 char *buf = xmalloc(PATH_MAX + 1);
35 int rv = normalize_path_copy(buf, argv[2]);
36 if (rv)
37 buf = "++failed++";
38 puts(buf);
39 return 0;
42 if (argc >= 2 && !strcmp(argv[1], "real_path")) {
43 while (argc > 2) {
44 puts(real_path(argv[2]));
45 argc--;
46 argv++;
48 return 0;
51 if (argc >= 2 && !strcmp(argv[1], "absolute_path")) {
52 while (argc > 2) {
53 puts(absolute_path(argv[2]));
54 argc--;
55 argv++;
57 return 0;
60 if (argc == 4 && !strcmp(argv[1], "longest_ancestor_length")) {
61 int len;
62 struct string_list ceiling_dirs = STRING_LIST_INIT_DUP;
63 char *path = xstrdup(argv[2]);
66 * We have to normalize the arguments because under
67 * Windows, bash mangles arguments that look like
68 * absolute POSIX paths or colon-separate lists of
69 * absolute POSIX paths into DOS paths (e.g.,
70 * "/foo:/foo/bar" might be converted to
71 * "D:\Src\msysgit\foo;D:\Src\msysgit\foo\bar"),
72 * whereas longest_ancestor_length() requires paths
73 * that use forward slashes.
75 if (normalize_path_copy(path, path))
76 die("Path \"%s\" could not be normalized", argv[2]);
77 string_list_split(&ceiling_dirs, argv[3], PATH_SEP, -1);
78 filter_string_list(&ceiling_dirs, 0,
79 normalize_ceiling_entry, NULL);
80 len = longest_ancestor_length(path, &ceiling_dirs);
81 string_list_clear(&ceiling_dirs, 0);
82 free(path);
83 printf("%d\n", len);
84 return 0;
87 if (argc >= 4 && !strcmp(argv[1], "prefix_path")) {
88 char *prefix = argv[2];
89 int prefix_len = strlen(prefix);
90 int nongit_ok;
91 setup_git_directory_gently(&nongit_ok);
92 while (argc > 3) {
93 puts(prefix_path(prefix, prefix_len, argv[3]));
94 argc--;
95 argv++;
97 return 0;
100 if (argc == 4 && !strcmp(argv[1], "strip_path_suffix")) {
101 char *prefix = strip_path_suffix(argv[2], argv[3]);
102 printf("%s\n", prefix ? prefix : "(null)");
103 return 0;
106 fprintf(stderr, "%s: unknown function name: %s\n", argv[0],
107 argv[1] ? argv[1] : "(there was none)");
108 return 1;