10rpmversion,dracut.spec: generate version file and install it

dracut.spec

@@ -1,3 +1,4 @@
+%define gittag 5948b0c8
 %if 0%{?fedora} < 12
 %define with_switch_root 1
 %else
@@ -106,12 +107,13 @@ This package contains tools to assemble the local initrd and host configuration.
 %build
 make
 
-
 %install
 rm -rf $RPM_BUILD_ROOT
 make install DESTDIR=$RPM_BUILD_ROOT sbindir=/sbin \
      sysconfdir=/etc mandir=%{_mandir}
 
+echo %{name}-%{version}-%{release} > $RPM_BUILD_ROOT/%{_datadir}/dracut/modules.d/10rpmversion/dracut-version
+
 %if ! 0%{?with_switch_root}
 rm -f $RPM_BUILD_ROOT/sbin/switch_root
 %endif

modules.d/10rpmversion/install

@@ -1,8 +1,13 @@
 
+if [ -e "$moddir/dracut-version" ]; then
+    dracut_rpm_version=$(cat "$moddir/dracut-version")
+    inst "$moddir/dracut-version" /$dracut_rpm_version
+else
     dracut_rpm_version=$(rpm -qf --qf '%{name}-%{version}-%{release}\n' $(which $0) | { ver="";while read line;do ver=$line;done;echo $ver;} )
     if [ $? -eq 0 ]; then
         echo $dracut_rpm_version > $initdir/$dracut_rpm_version
     fi
+fi
 
 inst_hook cmdline 01 "$moddir/version.sh"