git-multimail: update to release 1.2.0
[git.git] / test-path-utils.c
blob3dd3744a57cffd2a98be5cd551cda475c746e646
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 static void normalize_argv_string(const char **var, const char *input)
33 if (!strcmp(input, "<null>"))
34 *var = NULL;
35 else if (!strcmp(input, "<empty>"))
36 *var = "";
37 else
38 *var = input;
40 if (*var && (**var == '<' || **var == '('))
41 die("Bad value: %s\n", input);
44 int main(int argc, char **argv)
46 if (argc == 3 && !strcmp(argv[1], "normalize_path_copy")) {
47 char *buf = xmalloc(PATH_MAX + 1);
48 int rv = normalize_path_copy(buf, argv[2]);
49 if (rv)
50 buf = "++failed++";
51 puts(buf);
52 return 0;
55 if (argc >= 2 && !strcmp(argv[1], "real_path")) {
56 while (argc > 2) {
57 puts(real_path(argv[2]));
58 argc--;
59 argv++;
61 return 0;
64 if (argc >= 2 && !strcmp(argv[1], "absolute_path")) {
65 while (argc > 2) {
66 puts(absolute_path(argv[2]));
67 argc--;
68 argv++;
70 return 0;
73 if (argc == 4 && !strcmp(argv[1], "longest_ancestor_length")) {
74 int len;
75 struct string_list ceiling_dirs = STRING_LIST_INIT_DUP;
76 char *path = xstrdup(argv[2]);
79 * We have to normalize the arguments because under
80 * Windows, bash mangles arguments that look like
81 * absolute POSIX paths or colon-separate lists of
82 * absolute POSIX paths into DOS paths (e.g.,
83 * "/foo:/foo/bar" might be converted to
84 * "D:\Src\msysgit\foo;D:\Src\msysgit\foo\bar"),
85 * whereas longest_ancestor_length() requires paths
86 * that use forward slashes.
88 if (normalize_path_copy(path, path))
89 die("Path \"%s\" could not be normalized", argv[2]);
90 string_list_split(&ceiling_dirs, argv[3], PATH_SEP, -1);
91 filter_string_list(&ceiling_dirs, 0,
92 normalize_ceiling_entry, NULL);
93 len = longest_ancestor_length(path, &ceiling_dirs);
94 string_list_clear(&ceiling_dirs, 0);
95 free(path);
96 printf("%d\n", len);
97 return 0;
100 if (argc >= 4 && !strcmp(argv[1], "prefix_path")) {
101 char *prefix = argv[2];
102 int prefix_len = strlen(prefix);
103 int nongit_ok;
104 setup_git_directory_gently(&nongit_ok);
105 while (argc > 3) {
106 puts(prefix_path(prefix, prefix_len, argv[3]));
107 argc--;
108 argv++;
110 return 0;
113 if (argc == 4 && !strcmp(argv[1], "strip_path_suffix")) {
114 char *prefix = strip_path_suffix(argv[2], argv[3]);
115 printf("%s\n", prefix ? prefix : "(null)");
116 return 0;
119 if (argc == 3 && !strcmp(argv[1], "print_path")) {
120 puts(argv[2]);
121 return 0;
124 if (argc == 4 && !strcmp(argv[1], "relative_path")) {
125 struct strbuf sb = STRBUF_INIT;
126 const char *in, *prefix, *rel;
127 normalize_argv_string(&in, argv[2]);
128 normalize_argv_string(&prefix, argv[3]);
129 rel = relative_path(in, prefix, &sb);
130 if (!rel)
131 puts("(null)");
132 else
133 puts(strlen(rel) > 0 ? rel : "(empty)");
134 strbuf_release(&sb);
135 return 0;
138 fprintf(stderr, "%s: unknown function name: %s\n", argv[0],
139 argv[1] ? argv[1] : "(there was none)");
140 return 1;