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authorAndrew Gregory <andrew.gregory.8@gmail.com>2013-05-10 22:26:19 +0200
committerAllan McRae <allan@archlinux.org>2013-06-03 05:33:47 +0200
commitc91d9484868f35e17dccc447d8c29cbb7978fb4f (patch)
tree97eefe60a2c4df9f2706d1d5dc0ae67327d2be5d
parent0b3d04719db189ad7dbc8b36b5f34d95a5c63646 (diff)
downloadpacman-c91d9484868f35e17dccc447d8c29cbb7978fb4f.tar.gz
pacman-c91d9484868f35e17dccc447d8c29cbb7978fb4f.tar.xz
conflict.c: check for file -> dir replacements
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com> Signed-off-by: Allan McRae <allan@archlinux.org>
-rw-r--r--lib/libalpm/conflict.c39
-rw-r--r--test/pacman/tests/fileconflict007.py2
-rw-r--r--test/pacman/tests/symlink020.py20
3 files changed, 40 insertions, 21 deletions
diff --git a/lib/libalpm/conflict.c b/lib/libalpm/conflict.c
index d44a4594..ab9546cd 100644
--- a/lib/libalpm/conflict.c
+++ b/lib/libalpm/conflict.c
@@ -505,6 +505,7 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
size_t pathlen;
pathlen = snprintf(path, PATH_MAX, "%s%s", handle->root, filestr);
+ relative_path = path + rootlen;
/* stat the file - if it exists, do some checks */
if(_alpm_lstat(path, &lsbuf) != 0) {
@@ -513,7 +514,7 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
_alpm_log(handle, ALPM_LOG_DEBUG, "checking possible conflict: %s\n", path);
- if(filestr[strlen(filestr) - 1] == '/') {
+ if(path[pathlen - 1] == '/') {
if(S_ISDIR(lsbuf.st_mode)) {
_alpm_log(handle, ALPM_LOG_DEBUG, "file is a directory, not a conflict\n");
continue;
@@ -522,9 +523,25 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
* not include the trailing slash. This allows things like file ->
* directory replacements. */
path[pathlen - 1] = '\0';
- }
- relative_path = path + rootlen;
+ /* Check if the directory was a file in dbpkg */
+ if(alpm_filelist_contains(alpm_pkg_get_files(dbpkg), relative_path)) {
+ size_t fslen = strlen(filestr);
+ _alpm_log(handle, ALPM_LOG_DEBUG,
+ "replacing package file with a directory, not a conflict\n");
+ resolved_conflict = 1;
+
+ /* go ahead and skip any files inside filestr as they will
+ * necessarily be resolved by replacing the file with a dir
+ * NOTE: afterward, j will point to the last file inside filestr */
+ for( ; j->next; j = j->next) {
+ const char *filestr2 = j->next->data;
+ if(strncmp(filestr, filestr2, fslen) != 0) {
+ break;
+ }
+ }
+ }
+ }
/* Check remove list (will we remove the conflicting local file?) */
for(k = rem; k && !resolved_conflict; k = k->next) {
@@ -573,22 +590,6 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
free(dir);
}
- /* check if a component of the filepath was a link. canonicalize the path
- * and look for it in the old package. note that the actual file under
- * consideration cannot itself be a link, as it might be unowned- path
- * components can be safely checked as all directories are "unowned". */
- if(!resolved_conflict && dbpkg && !S_ISLNK(lsbuf.st_mode)) {
- char rpath[PATH_MAX];
- if(realpath(path, rpath)) {
- const char *relative_rpath = rpath + rootlen;
- if(alpm_filelist_contains(alpm_pkg_get_files(dbpkg), relative_rpath)) {
- _alpm_log(handle, ALPM_LOG_DEBUG,
- "package contained the resolved realpath\n");
- resolved_conflict = 1;
- }
- }
- }
-
/* is the file unowned and in the backup list of the new package? */
if(!resolved_conflict && _alpm_needbackup(relative_path, p1)) {
alpm_list_t *local_pkgs = _alpm_db_get_pkgcache(handle->db_local);
diff --git a/test/pacman/tests/fileconflict007.py b/test/pacman/tests/fileconflict007.py
index b61ddb42..7fe65ed4 100644
--- a/test/pacman/tests/fileconflict007.py
+++ b/test/pacman/tests/fileconflict007.py
@@ -16,5 +16,3 @@ self.addrule("PACMAN_RETCODE=0")
self.addrule("PKG_EXIST=pkg")
self.addrule("PKG_VERSION=pkg|1.0-2")
self.addrule("FILE_TYPE=dir/symdir/|dir")
-
-self.expectfailure = True
diff --git a/test/pacman/tests/symlink020.py b/test/pacman/tests/symlink020.py
new file mode 100644
index 00000000..343add2d
--- /dev/null
+++ b/test/pacman/tests/symlink020.py
@@ -0,0 +1,20 @@
+self.description = "symlink -> dir replacment"
+
+lp1 = pmpkg("pkg1")
+lp1.files = ["usr/lib/foo",
+ "lib -> usr/lib/"]
+self.addpkg2db("local", lp1)
+
+lp1 = pmpkg("pkg2")
+lp1.files = ["usr/lib/bar"]
+self.addpkg2db("local", lp1)
+
+sp = pmpkg("pkg1", "1.0-2")
+sp.files = ["lib/bar"]
+self.addpkg2db("sync", sp)
+
+self.args = "-S %s" % sp.name
+
+self.addrule("PACMAN_RETCODE=0")
+self.addrule("FILE_TYPE=lib|dir")
+self.addrule("FILE_TYPE=lib/bar|file")