#include "cache.h"
#include "blob.h"
+#include "dir.h"
static void create_directories(const char *path, const struct checkout *state)
{
len = slash - path;
memcpy(buf, path, len);
buf[len] = 0;
+
+ /*
+ * For 'checkout-index --prefix=<dir>', <dir> is
+ * allowed to be a symlink to an existing directory,
+ * and we set 'state->base_dir_len' below, such that
+ * we test the path components of the prefix with the
+ * stat() function instead of the lstat() function.
+ */
+ if (has_dirs_only_path(len, buf, state->base_dir_len))
+ continue; /* ok, it is already a directory. */
+
+ /*
+ * If this mkdir() would fail, it could be that there
+ * is already a symlink or something else exists
+ * there, therefore we then try to unlink it and try
+ * one more time to create the directory.
+ */
if (mkdir(buf, 0777)) {
- if (errno == EEXIST) {
- struct stat st;
- if (len > state->base_dir_len && state->force && !unlink(buf) && !mkdir(buf, 0777))
- continue;
- if (!stat(buf, &st) && S_ISDIR(st.st_mode))
- continue; /* ok */
- }
+ if (errno == EEXIST && state->force &&
+ !unlink(buf) && !mkdir(buf, 0777))
+ continue;
die("cannot create directory at %s", buf);
}
}
struct dirent *de;
char pathbuf[PATH_MAX];
char *name;
-
+
if (!dir)
die("cannot opendir %s (%s)", path, strerror(errno));
strcpy(pathbuf, path);
*name++ = '/';
while ((de = readdir(dir)) != NULL) {
struct stat st;
- if ((de->d_name[0] == '.') &&
- ((de->d_name[1] == 0) ||
- ((de->d_name[1] == '.') && de->d_name[2] == 0)))
+ if (is_dot_or_dotdot(de->d_name))
continue;
strcpy(name, de->d_name);
if (lstat(pathbuf, &st))
int fd;
long wrote;
- switch (ntohl(ce->ce_mode) & S_IFMT) {
- char *buf, *new;
+ switch (ce->ce_mode & S_IFMT) {
+ char *new;
+ struct strbuf buf;
unsigned long size;
case S_IFREG:
new = read_blob_entry(ce, path, &size);
if (!new)
- return error("git-checkout-index: unable to read sha1 file of %s (%s)",
+ return error("git checkout-index: unable to read sha1 file of %s (%s)",
path, sha1_to_hex(ce->sha1));
+
+ /*
+ * Convert from git internal format to working tree format
+ */
+ strbuf_init(&buf, 0);
+ if (convert_to_working_tree(ce->name, new, size, &buf)) {
+ size_t newsize = 0;
+ free(new);
+ new = strbuf_detach(&buf, &newsize);
+ size = newsize;
+ }
+
if (to_tempfile) {
strcpy(path, ".merge_file_XXXXXX");
fd = mkstemp(path);
} else
- fd = create_file(path, ntohl(ce->ce_mode));
+ fd = create_file(path, ce->ce_mode);
if (fd < 0) {
free(new);
- return error("git-checkout-index: unable to create file %s (%s)",
+ return error("git checkout-index: unable to create file %s (%s)",
path, strerror(errno));
}
- /*
- * Convert from git internal format to working tree format
- */
- buf = convert_to_working_tree(ce->name, new, &size);
- if (buf) {
- free(new);
- new = buf;
- }
-
wrote = write_in_full(fd, new, size);
close(fd);
free(new);
if (wrote != size)
- return error("git-checkout-index: unable to write file %s", path);
+ return error("git checkout-index: unable to write file %s", path);
break;
case S_IFLNK:
new = read_blob_entry(ce, path, &size);
if (!new)
- return error("git-checkout-index: unable to read sha1 file of %s (%s)",
+ return error("git checkout-index: unable to read sha1 file of %s (%s)",
path, sha1_to_hex(ce->sha1));
if (to_tempfile || !has_symlinks) {
if (to_tempfile) {
fd = create_file(path, 0666);
if (fd < 0) {
free(new);
- return error("git-checkout-index: unable to create "
+ return error("git checkout-index: unable to create "
"file %s (%s)", path, strerror(errno));
}
wrote = write_in_full(fd, new, size);
close(fd);
free(new);
if (wrote != size)
- return error("git-checkout-index: unable to write file %s",
+ return error("git checkout-index: unable to write file %s",
path);
} else {
wrote = symlink(new, path);
free(new);
if (wrote)
- return error("git-checkout-index: unable to create "
+ return error("git checkout-index: unable to create "
"symlink %s (%s)", path, strerror(errno));
}
break;
- case S_IFDIRLNK:
+ case S_IFGITLINK:
if (to_tempfile)
- return error("git-checkout-index: cannot create temporary subproject %s", path);
+ return error("git checkout-index: cannot create temporary subproject %s", path);
if (mkdir(path, 0777) < 0)
- return error("git-checkout-index: cannot create subproject directory %s", path);
+ return error("git checkout-index: cannot create subproject directory %s", path);
break;
default:
- return error("git-checkout-index: unknown file mode for %s", path);
+ return error("git checkout-index: unknown file mode for %s", path);
}
if (state->refresh_cache) {
strcpy(path + len, ce->name);
if (!lstat(path, &st)) {
- unsigned changed = ce_match_stat(ce, &st, 1);
+ unsigned changed = ce_match_stat(ce, &st, CE_MATCH_IGNORE_VALID);
if (!changed)
return 0;
if (!state->force) {
* to emulate by hand - much easier to let the system
* just do the right thing)
*/
- unlink(path);
if (S_ISDIR(st.st_mode)) {
/* If it is a gitlink, leave it alone! */
- if (S_ISDIRLNK(ntohl(ce->ce_mode)))
+ if (S_ISGITLINK(ce->ce_mode))
return 0;
if (!state->force)
return error("%s is a directory", path);
remove_subtree(path);
- }
+ } else if (unlink(path))
+ return error("unable to unlink old '%s' (%s)", path, strerror(errno));
} else if (state->not_new)
return 0;
create_directories(path, state);