From c91d9484868f35e17dccc447d8c29cbb7978fb4f Mon Sep 17 00:00:00 2001 From: Andrew Gregory Date: Fri, 10 May 2013 16:26:19 -0400 Subject: conflict.c: check for file -> dir replacements Signed-off-by: Andrew Gregory Signed-off-by: Allan McRae --- lib/libalpm/conflict.c | 39 ++++++++++++++++++------------------ test/pacman/tests/fileconflict007.py | 2 -- test/pacman/tests/symlink020.py | 20 ++++++++++++++++++ 3 files changed, 40 insertions(+), 21 deletions(-) create mode 100644 test/pacman/tests/symlink020.py 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") -- cgit v1.2.3