daemon: Add `list-runtime-roots' script.

* nix/scripts/list-runtime-roots.in: New file.
* config-daemon.ac: Add `AC_CONFIG_FILES' invocation for it.
* daemon.am (nodist_pkglibexec_SCRIPTS): New variable.
  (AM_TESTS_ENVIRONMENT): Define `top_builddir'.
* tests/guix-daemon.sh: Export `NIX_ROOT_FINDER'.
* nix/sync-with-upstream: Substitute the path to the root finder in
  libstore/gc.cc.

1 files changed, 4 insertions, 0 deletions

diff --git a/daemon.am b/daemon.am
index 48b0871a97b..f5d58ea2751 100644
--- a/daemon.am
+++ b/daemon.am
@@ -146,6 +146,9 @@ nix/libstore/schema.sql.hh: nix/libstore/schema.sql
                  (lambda (in)                                   \
                    (write (get-string-all in) out)))))"
 
+nodist_pkglibexec_SCRIPTS =                     \
+  nix/scripts/list-runtime-roots
+
 EXTRA_DIST +=                                   \
   nix/sync-with-upstream                        \
   nix/libstore/schema.sql                       \
@@ -156,6 +159,7 @@ EXTRA_DIST +=					\
 test_root = $(abs_top_builddir)/test-tmp
 
 AM_TESTS_ENVIRONMENT +=                         \
+  top_builddir="$(abs_top_builddir)"            \
   TEST_ROOT="$(test_root)"
 
 TESTS +=                                        \