[f18-branch/master] Use systemd to run checkisomd5 (#874486)

[Brian C. Lane]

From: Harald Hoyer

NOTE: working on testing this (bcl)
---
 anaconda.spec.in         | 3 ++-
 dracut/anaconda-diskroot | 7 ++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/anaconda.spec.in b/anaconda.spec.in
index e457736..3931f05 100644
--- a/anaconda.spec.in
+++ b/anaconda.spec.in
@@ -47,6 +47,7 @@ BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 %define pythonurlgrabberver 3.9.1-5
 %define utillinuxver 2.15.1
 %define syslinuxver 3.73
+%define dracutver 024-16

BuildRequires: audit-libs-devel
 BuildRequires: bzip2-devel
@@ -205,7 +206,7 @@ documentation for working with this library.
 %package dracut
 Summary: The anaconda dracut module
 BuildArch: noarch
-Requires: dracut >= 19
+Requires: dracut >= %{dracutver}
 Requires: dracut-network
 Requires: xz
 Requires: pykickstart
diff --git a/dracut/anaconda-diskroot b/dracut/anaconda-diskroot
index 051081b..21c8afe 100755
--- a/dracut/anaconda-diskroot
+++ b/dracut/anaconda-diskroot
@@ -12,7 +12,12 @@ run_checkisomd5() {
         [ -b $livedev ] && fs=$(blkid -s TYPE -o value $livedev)
         if [ "$fs" = "iso9660" -o "$fs" = "udf" ]; then
             [ -x /bin/plymouth ] && /bin/plymouth --hide-splash
-            checkisomd5 --verbose $livedev
+            if [ -n "$DRACUT_SYSTEMD" ]; then
+                p=$(str_replace "$livedev" "-" '\x2d')
+                systemctl start checkisomd5@${p}.service
+            else
+                checkisomd5 --verbose $livedev
+            fi
             if [ $? -ne 0 ]; then
                 die "CD check failed!"
                 exit 1