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-rw-r--r--lib/libalpm/conflict.c37
1 files changed, 31 insertions, 6 deletions
diff --git a/lib/libalpm/conflict.c b/lib/libalpm/conflict.c
index 3b8fce0e..7494fd77 100644
--- a/lib/libalpm/conflict.c
+++ b/lib/libalpm/conflict.c
@@ -330,15 +330,40 @@ const alpm_file_t *_alpm_filelist_contains(alpm_filelist_t *filelist,
return NULL;
}
-static int dir_belongsto_pkg(const char *root, const char *dirpath,
+static int dir_belongsto_pkg(alpm_handle_t *handle, const char *dirpath,
alpm_pkg_t *pkg)
{
+ alpm_list_t *i;
struct stat sbuf;
char path[PATH_MAX];
char abspath[PATH_MAX];
- struct dirent *ent = NULL;
DIR *dir;
+ struct dirent *ent = NULL;
+ const char *root = handle->root;
+
+ /* check directory is actually in package - used for subdirectory checks */
+ if(!_alpm_filelist_contains(alpm_pkg_get_files(pkg), dirpath)) {
+ return 0;
+ }
+
+ /* TODO: this is an overly strict check but currently pacman will not
+ * overwrite a directory with a file (case 10/11 in add.c). Adjusting that
+ * is not simple as even if the directory is being unowned by a conflicting
+ * package, pacman does not sort this to ensure all required directory
+ * "removals" happen before installation of file/symlink */
+
+ /* check that no other _installed_ package owns the directory */
+ for(i = _alpm_db_get_pkgcache(handle->db_local); i; i = i->next) {
+ if(pkg == i->data) {
+ continue;
+ }
+
+ if(_alpm_filelist_contains(alpm_pkg_get_files(i->data), dirpath)) {
+ return 0;
+ }
+ }
+ /* check all files in directory are owned by the package */
snprintf(abspath, PATH_MAX, "%s%s", root, dirpath);
dir = opendir(abspath);
if(dir == NULL) {
@@ -351,13 +376,13 @@ static int dir_belongsto_pkg(const char *root, const char *dirpath,
if(strcmp(name, ".") == 0 || strcmp(name, "..") == 0) {
continue;
}
- snprintf(path, PATH_MAX, "%s/%s", dirpath, name);
+ snprintf(path, PATH_MAX, "%s%s", dirpath, name);
snprintf(abspath, PATH_MAX, "%s%s", root, path);
if(stat(abspath, &sbuf) != 0) {
continue;
}
if(S_ISDIR(sbuf.st_mode)) {
- if(dir_belongsto_pkg(root, path, pkg)) {
+ if(dir_belongsto_pkg(handle, path, pkg)) {
continue;
} else {
closedir(dir);
@@ -535,9 +560,9 @@ alpm_list_t *_alpm_db_find_fileconflicts(alpm_handle_t *handle,
sprintf(dir, "%s/", filestr);
if(_alpm_filelist_contains(alpm_pkg_get_files(dbpkg), dir)) {
_alpm_log(handle, ALPM_LOG_DEBUG,
- "check if all files in %s belongs to %s\n",
+ "check if all files in %s belong to %s\n",
dir, dbpkg->name);
- resolved_conflict = dir_belongsto_pkg(handle->root, filestr, dbpkg);
+ resolved_conflict = dir_belongsto_pkg(handle, dir, dbpkg);
}
free(dir);
}