From afbba5e5526bce30bd55dddcf3aad3ebfb517cd4 Mon Sep 17 00:00:00 2001
From: Demi Marie Obenour <athena@invisiblethingslab.com>
Date: Fri, 27 Nov 2020 23:06:26 -0500
Subject: [PATCH] Check for RPM and DNF before using them

This allows dependencies to be automatically installed on Fedora,
without causing problems on Debian.
---
 run-tests | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/run-tests b/run-tests
index 33f8c429..74cf70a6 100755
--- a/run-tests
+++ b/run-tests
@@ -1,13 +1,16 @@
 #!/bin/bash --
 
 set -eu
-unset applications do_install_deps CLEANUP_LVM name DEFAULT_LVM_POOL retcode
-applications=(lvm2 python3-inotify python3-sphinx python3-docutils
-    python3-pyyaml python3-jinja2 python3-lxml python3-pylint python3-coverage
-    btrfs-progs vim-common)
-do_install_deps=false
-rpm -q --quiet -- "${applications[@]}" ||
-sudo dnf -- install "${applications[@]}"
+unset CLEANUP_LVM name DEFAULT_LVM_POOL retcode
+install_rpm_deps () {
+    local applications
+    applications=(lvm2 python3-inotify python3-sphinx python3-docutils
+        python3-pyyaml python3-jinja2 python3-lxml python3-pylint
+        python3-coverage btrfs-progs vim-common)
+    rpm -q --quiet -- "${applications[@]}" ||
+    sudo dnf -- install "${applications[@]}"
+}
+if { command -pv rpm && command -pv dnf; }>/dev/null; then install_rpm_deps; fi
 CLEANUP_LVM=
 name=$(dirname "$0")
 if sudo --non-interactive "$name/ci/lvm-manage" setup-lvm vg$$/pool; then