Remove a few references to dracut

Let's remove some explicit references to dracut as we prefer initrds
built with mkosi these days.

README

@@ -231,7 +231,6 @@ REQUIREMENTS:
         dbus >= 1.4.0 (strictly speaking optional, but recommended)
                 NOTE: If using dbus < 1.9.18, you should override the default
                 policy directory (--with-dbuspolicydir=/etc/dbus-1/system.d).
-        dracut (optional)
         polkit (optional)
 
         To build in directory build/:

docs/INITRD_INTERFACE.md

@@ -16,8 +16,9 @@ initrd and initrd-less boots. If an initrd is used, it is a good idea to pass a
 few bits of runtime information from the initrd to systemd in order to avoid
 duplicate work and to provide performance data to the administrator. In this
 page we attempt to roughly describe the interfaces that exist between the
-initrd and systemd. These interfaces are currently used by dracut and the
+initrd and systemd. These interfaces are currently used by
-ArchLinux initrds.
+[mkosi](https://github.com/systemd/mkosi)-generated initrds, dracut and the
+Arch Linux initrds.
 
 * The initrd should mount `/run/` as a tmpfs and pass it pre-mounted when
   jumping into the main system when executing systemd. The mount options should
@@ -49,10 +50,6 @@ implemented as an actual ramdisk, ramfs or tmpfs. We recommend using _initrd_
 in this sense as a term that is unrelated to the actual backing technologies
 used.
 
-Oh, and one last question before closing: instead of implementing these
-features in your own distro's initrd, may I suggest just using Dracut instead?
-It's all already implemented there!
-
 ## Using systemd inside an initrd
 
 It is also possible and recommended to implement the initrd itself based on

docs/PORTABILITY_AND_STABILITY.md

@@ -83,7 +83,7 @@ And now, here's the list of (hopefully) all APIs that we have introduced with sy
 | [hostnamed](https://www.freedesktop.org/software/systemd/man/org.freedesktop.hostname1.html) | D-Bus | yes | yes | GNOME | yes | [Ubuntu](https://launchpad.net/ubuntu/+source/ubuntu-system-service), [Gentoo](http://www.gentoo.org/proj/en/desktop/gnome/openrc-settingsd.xml), [BSD](http://uglyman.kremlin.cc/gitweb/gitweb.cgi?p=systembsd.git;a=summary) | partially |
 | [localed](https://www.freedesktop.org/software/systemd/man/org.freedesktop.locale1.html) | D-Bus | yes | yes | GNOME | yes | [Ubuntu](https://launchpad.net/ubuntu/+source/ubuntu-system-service), [Gentoo](http://www.gentoo.org/proj/en/desktop/gnome/openrc-settingsd.xml), [BSD](http://uglyman.kremlin.cc/gitweb/gitweb.cgi?p=systembsd.git;a=summary) | partially |
 | [timedated](https://www.freedesktop.org/software/systemd/man/org.freedesktop.timedate1.html) | D-Bus | yes | yes | GNOME | yes | [Gentoo](http://www.gentoo.org/proj/en/desktop/gnome/openrc-settingsd.xml), [BSD](http://uglyman.kremlin.cc/gitweb/gitweb.cgi?p=systembsd.git;a=summary) | partially |
-| [initrd interface](INITRD_INTERFACE.md) | Environment, flag files | yes | yes | dracut, ArchLinux | yes | ArchLinux | no |
+| [initrd interface](INITRD_INTERFACE.md) | Environment, flag files | yes | yes | mkosi, dracut, ArchLinux | yes | ArchLinux | no |
 | [Container interface](CONTAINER_INTERFACE.md) | Environment, Mounts | yes | yes | libvirt/LXC | yes | - | no |
 | [Boot Loader interface](BOOT_LOADER_INTERFACE.md) | EFI variables | yes | yes | gummiboot | yes | - | no |
 | [Service bus API](https://www.freedesktop.org/software/systemd/man/org.freedesktop.systemd1.html) | D-Bus | yes | yes | system-config-services | no | - | no |

man/bootup.xml

@@ -31,13 +31,12 @@
     boot loader will then invoke an OS kernel from disk (or the network). On systems using EFI or other types
     of firmware, this firmware may also load the kernel directly.</para>
 
-    <para>The kernel (optionally) mounts an in-memory file system, often generated by <citerefentry
+    <para>The kernel (optionally) mounts an in-memory file system, which looks for the root file system.
-    project='man-pages'><refentrytitle>dracut</refentrytitle><manvolnum>8</manvolnum></citerefentry>, which
+    Nowadays this is implemented as an "initramfs" — a compressed CPIO archive that the kernel extracts into
-    looks for the root file system. Nowadays this is implemented as an "initramfs" — a compressed CPIO
+    a tmpfs. In the past normal file systems using an in-memory block device (ramdisk) were used, and the
-    archive that the kernel extracts into a tmpfs. In the past normal file systems using an in-memory block
+    name "initrd" is still used to describe both concepts. It's the boot loader or the firmware that loads
-    device (ramdisk) were used, and the name "initrd" is still used to describe both concepts. It's the boot
+    both the kernel and initrd/initramfs images into memory, but the kernel which interprets it as a file
-    loader or the firmware that loads both the kernel and initrd/initramfs images into memory, but the kernel
+    system.
-    which interprets it as a file system.
     <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry> may be used
     to manage services in the initrd, similarly to the real system.</para>
 
@@ -351,7 +350,6 @@ systemd-reboot.service     |               |               |
       <member><citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry></member>
       <member><citerefentry><refentrytitle>systemd.target</refentrytitle><manvolnum>5</manvolnum></citerefentry></member>
       <member><citerefentry><refentrytitle>systemd-halt.service</refentrytitle><manvolnum>8</manvolnum></citerefentry></member>
-      <member><citerefentry project='man-pages'><refentrytitle>dracut</refentrytitle><manvolnum>8</manvolnum></citerefentry></member>
     </simplelist></para>
   </refsect1>
 

man/kernel-command-line.xml

@@ -40,10 +40,8 @@
     and
     <citerefentry project='man-pages'><refentrytitle>bootparam</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>
 
-    <para>For command line parameters understood by the initrd, see
+    <para>For command line parameters understood by the initrd, see the documentation of the specific initrd
-    <citerefentry project='man-pages'><refentrytitle>dracut.cmdline</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
+    implementation of your installation.</para>
-    or the documentation of the specific initrd implementation of your
-    installation.</para>
   </refsect1>
 
   <refsect1>
@@ -728,7 +726,6 @@
         <member><citerefentry project='man-pages'><refentrytitle>bootparam</refentrytitle><manvolnum>7</manvolnum></citerefentry></member>
         <member><citerefentry><refentrytitle>systemd.system-credentials</refentrytitle><manvolnum>7</manvolnum></citerefentry></member>
         <member><citerefentry><refentrytitle>smbios-type-11</refentrytitle><manvolnum>7</manvolnum></citerefentry></member>
-        <member><citerefentry project='man-pages'><refentrytitle>dracut.cmdline</refentrytitle><manvolnum>7</manvolnum></citerefentry></member>
         <member><citerefentry><refentrytitle>systemd-debug-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry></member>
         <member><citerefentry><refentrytitle>systemd-fsck@.service</refentrytitle><manvolnum>8</manvolnum></citerefentry></member>
         <member><citerefentry><refentrytitle>systemd-quotacheck.service</refentrytitle><manvolnum>8</manvolnum></citerefentry></member>

man/localectl.xml

@@ -50,10 +50,8 @@
 
     <para>Note that the changes performed using this tool might require the initrd to be rebuilt to take
     effect during early system boot.  The initrd is not rebuilt automatically by
-    <filename>localectl</filename>, this task has to be performed manually, usually using a tool like
+    <filename>localectl</filename>, this task has to be performed manually, usually by reinstalling the
-    <citerefentry
+    distribution's kernel package.</para>
-    project='man-pages'><refentrytitle>dracut</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
-    </para>
 
     <para>Note that
     <citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry>
@@ -222,7 +220,6 @@
       <member><citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry></member>
       <member><citerefentry><refentrytitle>systemd-localed.service</refentrytitle><manvolnum>8</manvolnum></citerefentry></member>
       <member><citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry></member>
-      <member><citerefentry project='man-pages'><refentrytitle>dracut</refentrytitle><manvolnum>8</manvolnum></citerefentry></member>
     </simplelist></para>
   </refsect1>
 

man/os-release.xml

@@ -62,7 +62,7 @@
     compatibility with applications only looking at
     <filename>/etc/</filename>. A relative symlink instead of an
     absolute symlink is necessary to avoid breaking the link in a
-    chroot or initrd environment such as dracut.</para>
+    chroot or initrd environment.</para>
 
     <para><filename>os-release</filename> contains data that is
     defined by the operating system vendor and should generally not be