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authorJunio C Hamano <junkio@cox.net>2005-05-24 08:51:27 (GMT)
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-05-25 00:47:05 (GMT)
commitd7f6ea3d7d2b06b5ee8c308a8acaf394b5ce9714 (patch)
tree4f0447bbd78b01f9e47f7e42ba50a141b9bfd490 /checkout-cache.c
parentd0309355c9d0df60836b0610169044873f791caf (diff)
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[PATCH] Allow symlinks in the leading path in checkout-cache --prefix=
This is what Linus wrote, improving what David Greaves originally submitted. I just added a test case and verified the patch works. Author: David Greaves <david@dgreaves.com> Author: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'checkout-cache.c')
-rw-r--r--checkout-cache.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/checkout-cache.c b/checkout-cache.c
index 9cd289c..9d09c39 100644
--- a/checkout-cache.c
+++ b/checkout-cache.c
@@ -37,6 +37,8 @@
#include "cache.h"
static int force = 0, quiet = 0, not_new = 0, refresh_cache = 0;
+static const char *base_dir = "";
+static int base_dir_len = 0;
static void create_directories(const char *path)
{
@@ -51,10 +53,10 @@ static void create_directories(const char *path)
if (mkdir(buf, 0755)) {
if (errno == EEXIST) {
struct stat st;
- if (!lstat(buf, &st) && S_ISDIR(st.st_mode))
- continue; /* ok */
- if (force && !unlink(buf) && !mkdir(buf, 0755))
+ if (len > base_dir_len && force && !unlink(buf) && !mkdir(buf, 0755))
continue;
+ if (!stat(buf, &st) && S_ISDIR(st.st_mode))
+ continue; /* ok */
}
die("cannot create directory at %s", buf);
}
@@ -163,11 +165,11 @@ static int write_entry(struct cache_entry *ce, const char *path)
return 0;
}
-static int checkout_entry(struct cache_entry *ce, const char *base_dir)
+static int checkout_entry(struct cache_entry *ce)
{
struct stat st;
static char path[MAXPATHLEN+1];
- int len = strlen(base_dir);
+ int len = base_dir_len;
memcpy(path, base_dir, len);
strcpy(path + len, ce->name);
@@ -194,7 +196,7 @@ static int checkout_entry(struct cache_entry *ce, const char *base_dir)
return write_entry(ce, path);
}
-static int checkout_file(const char *name, const char *base_dir)
+static int checkout_file(const char *name)
{
int pos = cache_name_pos(name, strlen(name));
if (pos < 0) {
@@ -209,10 +211,10 @@ static int checkout_file(const char *name, const char *base_dir)
}
return -1;
}
- return checkout_entry(active_cache[pos], base_dir);
+ return checkout_entry(active_cache[pos]);
}
-static int checkout_all(const char *base_dir)
+static int checkout_all(void)
{
int i;
@@ -220,7 +222,7 @@ static int checkout_all(const char *base_dir)
struct cache_entry *ce = active_cache[i];
if (ce_stage(ce))
continue;
- if (checkout_entry(ce, base_dir) < 0)
+ if (checkout_entry(ce) < 0)
return -1;
}
return 0;
@@ -229,7 +231,6 @@ static int checkout_all(const char *base_dir)
int main(int argc, char **argv)
{
int i, force_filename = 0;
- const char *base_dir = "";
struct cache_file cache_file;
int newfd = -1;
@@ -241,7 +242,7 @@ int main(int argc, char **argv)
const char *arg = argv[i];
if (!force_filename) {
if (!strcmp(arg, "-a")) {
- checkout_all(base_dir);
+ checkout_all();
continue;
}
if (!strcmp(arg, "--")) {
@@ -272,10 +273,11 @@ int main(int argc, char **argv)
}
if (!memcmp(arg, "--prefix=", 9)) {
base_dir = arg+9;
+ base_dir_len = strlen(base_dir);
continue;
}
}
- if (base_dir[0]) {
+ if (base_dir_len) {
/* when --prefix is specified we do not
* want to update cache.
*/
@@ -285,7 +287,7 @@ int main(int argc, char **argv)
}
refresh_cache = 0;
}
- checkout_file(arg, base_dir);
+ checkout_file(arg);
}
if (0 <= newfd &&