diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libalpm/conflict.c | 37 |
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); } |