From 2178ed66f7ae8f793078c7e392af4bf1fb472968 Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Tue, 24 Feb 2015 23:05:45 +0100 Subject: build: Reject or warn against file name length limit overruns. * m4/guix.m4 (GUIX_TEST_ROOT_DIRECTORY, LINUX_HASH_BANG_LIMIT, SOCKET_FILE_NAME_LIMIT, GUIX_SOCKET_FILE_NAME_LENGTH, GUIX_TEST_SOCKET_FILE_NAME_LENGTH, GUIX_HASH_BANG_LENGTH, GUIX_CHECK_FILE_NAME_LIMITS): New macros. * configure.ac: Use 'GUIX_CHECK_FILE_NAME_LIMITS'. * config-daemon.ac: Use 'GUIX_TEST_ROOT_DIRECTORY'. * test-env.in: Check socket name length and emit warning if it exceeds 107. --- test-env.in | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'test-env.in') diff --git a/test-env.in b/test-env.in index f66a0db555..a7f506ec19 100644 --- a/test-env.in +++ b/test-env.in @@ -1,7 +1,7 @@ #!/bin/sh # GNU Guix --- Functional package management for GNU -# Copyright © 2012, 2013, 2014 Ludovic Courtès +# Copyright © 2012, 2013, 2014, 2015 Ludovic Courtès # # This file is part of GNU Guix. # @@ -52,6 +52,13 @@ then # Currently, in Nix builds, we're at ~106 chars... NIX_STATE_DIR="@GUIX_TEST_ROOT@/var/$$" + # We can't exit when we reach the limit, because perhaps the test doesn't + # actually rely on the daemon, but at least warn. + if test "`echo -n "$NIX_STATE_DIR/daemon-socket/socket" | wc -c`" -ge 108 + then + echo "warning: exceeding socket file name limit; test may fail!" >&2 + fi + # The configuration directory, for import/export signing keys. NIX_CONF_DIR="@GUIX_TEST_ROOT@/etc" if [ ! -d "$NIX_CONF_DIR" ] -- cgit v1.2.3