index 3771209f1956f6aa3990e512187c8037e240c818..82bf7259a7d1d34a92a9bf214bccd9771748c582 100644 (file)
--- a/entry.c
+++ b/entry.c
#include "cache.h"
#include "blob.h"
-static void create_directories(const char *path, struct checkout *state)
+static void create_directories(const char *path, const struct checkout *state)
{
int len = strlen(path);
char *buf = xmalloc(len + 1);
char *name;
if (!dir)
- die("cannot opendir %s", path);
+ die("cannot opendir %s (%s)", path, strerror(errno));
strcpy(pathbuf, path);
name = pathbuf + strlen(path);
*name++ = '/';
continue;
strcpy(name, de->d_name);
if (lstat(pathbuf, &st))
- die("cannot lstat %s", pathbuf);
+ die("cannot lstat %s (%s)", pathbuf, strerror(errno));
if (S_ISDIR(st.st_mode))
remove_subtree(pathbuf);
else if (unlink(pathbuf))
- die("cannot unlink %s", pathbuf);
+ die("cannot unlink %s (%s)", pathbuf, strerror(errno));
}
closedir(dir);
if (rmdir(path))
- die("cannot rmdir %s", path);
+ die("cannot rmdir %s (%s)", path, strerror(errno));
}
static int create_file(const char *path, unsigned int mode)
return open(path, O_WRONLY | O_CREAT | O_EXCL, mode);
}
-static int write_entry(struct cache_entry *ce, char *path, struct checkout *state, int to_tempfile)
+static void *read_blob_entry(struct cache_entry *ce, const char *path, unsigned long *size)
{
- int fd;
- void *new;
- unsigned long size;
- long wrote;
enum object_type type;
+ void *new = read_sha1_file(ce->sha1, &type, size);
- new = read_sha1_file(ce->sha1, &type, &size);
- if (!new || type != OBJ_BLOB) {
- if (new)
- free(new);
- return error("git-checkout-index: unable to read sha1 file of %s (%s)",
- path, sha1_to_hex(ce->sha1));
+ if (new) {
+ if (type == OBJ_BLOB)
+ return new;
+ free(new);
}
+ return NULL;
+}
+
+static int write_entry(struct cache_entry *ce, char *path, const struct checkout *state, int to_tempfile)
+{
+ int fd;
+ long wrote;
+
switch (ntohl(ce->ce_mode) & S_IFMT) {
- char *buf;
+ char *buf, *new;
+ 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)",
+ path, sha1_to_hex(ce->sha1));
if (to_tempfile) {
strcpy(path, ".merge_file_XXXXXX");
fd = mkstemp(path);
@@ -108,6 +116,10 @@ static int write_entry(struct cache_entry *ce, char *path, struct checkout *stat
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)",
+ path, sha1_to_hex(ce->sha1));
if (to_tempfile || !has_symlinks) {
if (to_tempfile) {
strcpy(path, ".merge_link_XXXXXX");
@@ -133,8 +145,13 @@ static int write_entry(struct cache_entry *ce, char *path, struct checkout *stat
"symlink %s (%s)", path, strerror(errno));
}
break;
+ case S_IFDIRLNK:
+ if (to_tempfile)
+ 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);
+ break;
default:
- free(new);
return error("git-checkout-index: unknown file mode for %s", path);
}
@@ -146,7 +163,7 @@ static int write_entry(struct cache_entry *ce, char *path, struct checkout *stat
return 0;
}
-int checkout_entry(struct cache_entry *ce, struct checkout *state, char *topath)
+int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *topath)
{
static char path[PATH_MAX + 1];
struct stat st;
@@ -176,6 +193,9 @@ int checkout_entry(struct cache_entry *ce, struct checkout *state, char *topath)
*/
unlink(path);
if (S_ISDIR(st.st_mode)) {
+ /* If it is a gitlink, leave it alone! */
+ if (S_ISDIRLNK(ntohl(ce->ce_mode)))
+ return 0;
if (!state->force)
return error("%s is a directory", path);
remove_subtree(path);