char *system_path(const char *path)
{
#ifdef RUNTIME_PREFIX
static const char *prefix;
#else
static const char *prefix = PREFIX;
#endif
struct strbuf d = STRBUF_INIT;
if (is_absolute_path(path))
return xstrdup(path);
#ifdef RUNTIME_PREFIX
assert(argv0_path);
assert(is_absolute_path(argv0_path));
if (!prefix &&
!(prefix = strip_path_suffix(argv0_path, GIT_EXEC_PATH)) &&
!(prefix = strip_path_suffix(argv0_path, BINDIR)) &&
!(prefix = strip_path_suffix(argv0_path, "git"))) {
prefix = PREFIX;
trace_printf("RUNTIME_PREFIX requested, "
"but prefix computation failed. "
"Using static fallback '%s'.\n", prefix);
}
#endif
strbuf_addf(&d, "%s/%s", prefix, path);
return strbuf_detach(&d, NULL);
}
static const char *system_prefix(void)
{
static const char *prefix;
assert(argv0_path);
assert(is_absolute_path(argv0_path));
if (!prefix &&
!(prefix = strip_path_suffix(argv0_path, GIT_EXEC_PATH)) &&
!(prefix = strip_path_suffix(argv0_path, BINDIR)) &&
!(prefix = strip_path_suffix(argv0_path, "git"))) {
prefix = PREFIX;
trace_printf("RUNTIME_PREFIX requested, "
"but prefix computation failed. "
"Using static fallback '%s'.\n", prefix);
}
return prefix;
}
int main(int argc, char **argv)
{
if (argc == 3 && !strcmp(argv[1], "normalize_path_copy")) {
char *buf = xmalloc(PATH_MAX + 1);
int rv = normalize_path_copy(buf, argv[2]);
if (rv)
buf = "++failed++";
puts(buf);
return 0;
}
if (argc >= 2 && !strcmp(argv[1], "make_absolute_path")) {
while (argc > 2) {
puts(make_absolute_path(argv[2]));
argc--;
argv++;
}
return 0;
}
if (argc == 4 && !strcmp(argv[1], "longest_ancestor_length")) {
int len = longest_ancestor_length(argv[2], argv[3]);
printf("%d\n", len);
return 0;
}
if (argc == 4 && !strcmp(argv[1], "strip_path_suffix")) {
char *prefix = strip_path_suffix(argv[2], argv[3]);
printf("%s\n", prefix ? prefix : "(null)");
return 0;
}
fprintf(stderr, "%s: unknown function name: %s\n", argv[0],
argv[1] ? argv[1] : "(there was none)");
return 1;
}
int main(int argc, char **argv)
{
if (argc == 3 && !strcmp(argv[1], "normalize_path_copy")) {
char *buf = xmalloc(PATH_MAX + 1);
int rv = normalize_path_copy(buf, argv[2]);
if (rv)
buf = "++failed++";
puts(buf);
return 0;
}
if (argc >= 2 && !strcmp(argv[1], "real_path")) {
while (argc > 2) {
puts(real_path(argv[2]));
argc--;
argv++;
}
return 0;
}
if (argc >= 2 && !strcmp(argv[1], "absolute_path")) {
while (argc > 2) {
puts(absolute_path(argv[2]));
argc--;
argv++;
}
return 0;
}
if (argc == 4 && !strcmp(argv[1], "longest_ancestor_length")) {
int len;
struct string_list ceiling_dirs = STRING_LIST_INIT_DUP;
char *path = xstrdup(argv[2]);
/*
* We have to normalize the arguments because under
* Windows, bash mangles arguments that look like
* absolute POSIX paths or colon-separate lists of
* absolute POSIX paths into DOS paths (e.g.,
* "/foo:/foo/bar" might be converted to
* "D:\Src\msysgit\foo;D:\Src\msysgit\foo\bar"),
* whereas longest_ancestor_length() requires paths
* that use forward slashes.
*/
if (normalize_path_copy(path, path))
die("Path \"%s\" could not be normalized", argv[2]);
string_list_split(&ceiling_dirs, argv[3], PATH_SEP, -1);
filter_string_list(&ceiling_dirs, 0,
normalize_ceiling_entry, NULL);
len = longest_ancestor_length(path, &ceiling_dirs);
string_list_clear(&ceiling_dirs, 0);
free(path);
printf("%d\n", len);
return 0;
}
if (argc >= 4 && !strcmp(argv[1], "prefix_path")) {
char *prefix = argv[2];
int prefix_len = strlen(prefix);
int nongit_ok;
setup_git_directory_gently(&nongit_ok);
while (argc > 3) {
puts(prefix_path(prefix, prefix_len, argv[3]));
argc--;
argv++;
}
return 0;
}
if (argc == 4 && !strcmp(argv[1], "strip_path_suffix")) {
char *prefix = strip_path_suffix(argv[2], argv[3]);
printf("%s\n", prefix ? prefix : "(null)");
return 0;
}
if (argc == 3 && !strcmp(argv[1], "mingw_path")) {
puts(argv[2]);
return 0;
}
if (argc == 4 && !strcmp(argv[1], "relative_path")) {
struct strbuf sb = STRBUF_INIT;
const char *in, *prefix, *rel;
normalize_argv_string(&in, argv[2]);
normalize_argv_string(&prefix, argv[3]);
rel = relative_path(in, prefix, &sb);
if (!rel)
puts("(null)");
else
puts(strlen(rel) > 0 ? rel : "(empty)");
strbuf_release(&sb);
return 0;
}
fprintf(stderr, "%s: unknown function name: %s\n", argv[0],
argv[1] ? argv[1] : "(there was none)");
return 1;
}
