Merge pull request #20629 from keszybz/mkosi-host-distro-by-default

mkosi: build for the host distro by default

.gitignore

@@ -36,6 +36,6 @@ __pycache__/
 /mkosi.builddir/
 /mkosi.output/
 /mkosi.default
-mkosi.default.d/*
+# Ignore any mkosi config files with "local" in the name
-!mkosi.default.d/10-systemd.conf
+/mkosi.default.d/*local*.conf
 /tags

docs/HACKING.md

@@ -34,13 +34,10 @@ possible, however. In order to simplify testing for cases like this we provide
 a set of `mkosi` build files directly in the source tree. `mkosi` is a tool for
 building clean OS images from an upstream distribution in combination with a
 fresh build of the project in the local working directory. To make use of this,
-please acquire `mkosi` from https://github.com/systemd/mkosi first, unless your
+please install the `mkosi` package (if not packaged for your distro, it can be
-distribution has packaged it already and you can get it from there. After the
+downloaded from https://github.com/systemd/mkosi). `mkosi` will build an image
-tool is installed, symlink the settings file for your distribution of choice
+for the host distro by default. It is sufficient to type `mkosi` in the systemd
-from .mkosi/ to mkosi.default in the project root directory (note that the
+project directory to generate a disk image `image.raw` you can boot either in
-package manager for this distro needs to be installed on your host system).
-After doing that, it is sufficient to type `mkosi` in the systemd project
-directory to generate a disk image `image.raw` you can boot either in
 `systemd-nspawn` or in an UEFI-capable VM:
 
 ```

mkosi.build

@@ -20,7 +20,7 @@ fi
 # that /usr/bin/ld is a symlink that points to a non-existing file in
 # /etc/alternative/ in this mode. Let's work around this for now by manually
 # redirect "ld" to "ld.bfd", i.e. circumventing the /usr/bin/ld symlink.
-if [ ! -x /usr/bin/ld -a -x /usr/bin/ld.bfd ] ; then
+if [ ! -x /usr/bin/ld ] && [ -x /usr/bin/ld.bfd ]; then
         mkdir -p "$HOME"/bin
         ln -s /usr/bin/ld.bfd "$HOME"/bin/ld
         PATH="$HOME/bin:$PATH"
@@ -35,7 +35,7 @@ fi
 # So let's ensure we're running under UTF-8.
 #
 # If our current locale already is UTF-8, then we don't need to do anything:
-if [ "$(locale charmap 2> /dev/null)" != "UTF-8" ] ; then
+if [ "$(locale charmap 2>/dev/null)" != "UTF-8" ] ; then
         # Try using C.UTF-8 locale, if available. This locale is not shipped
         # by upstream glibc, so it's not available in all distros.
         # (In particular, it's not available in Arch Linux.)
@@ -54,9 +54,9 @@ if [ "$(locale charmap 2> /dev/null)" != "UTF-8" ] ; then
 fi
 
 if [ ! -f "$BUILDDIR"/build.ninja ] ; then
-        sysvinit_path=`realpath /etc/init.d`
+        sysvinit_path=$(realpath /etc/init.d)
 
-        init_path=`realpath /sbin/init 2>/dev/null`
+        init_path=$(realpath /sbin/init 2>/dev/null)
         if [ -z "$init_path" ] ; then
             rootprefix=""
         else
@@ -64,46 +64,10 @@ if [ ! -f "$BUILDDIR"/build.ninja ] ; then
             rootprefix=/${rootprefix#/}
         fi
 
-        nobody_user=`id -u -n 65534 2> /dev/null`
-        if [ "$nobody_user" != "" ] ; then
-                # Validate that we can translate forth and back
-                if [ "`id -u $nobody_user`" != 65534 ] ; then
-                        nobody_user=""
-                fi
-        fi
-        if [ "$nobody_user" = "" ] ; then
-                if id -u nobody 2> /dev/null ; then
-                        # The "nobody" user is defined already for something else, pick the Fedora name
-                        nobody_user=nfsnobody
-                else
-                        # The "nobody" user name is free, use it
-                        nobody_user=nobody
-                fi
-        fi
-
-        nobody_group=`id -g -n 65534 2> /dev/null`
-        if [ "$nobody_group" != "" ] ; then
-                # Validate that we can translate forth and back
-                if [ "`id -g $nobody_group`" != 65534 ] ; then
-                        nobody_group=""
-                fi
-        fi
-        if [ "$nobody_group" = "" ] ; then
-                if id -u nobody 2> /dev/null ; then
-                        # The "nobody" group is defined already for something else, pick the Fedora name
-                        nobody_group=nfsnobody
-                else
-                        # The "nobody" group name is free, use it
-                        nobody_group=nobody
-                fi
-        fi
-
         meson "$BUILDDIR" \
                 -D "sysvinit-path=$sysvinit_path" \
                 -D "rootprefix=$rootprefix" \
                 -D man=false \
-                -D "nobody-user=$nobody_user" \
-                -D "nobody-group=$nobody_group" \
                 -D translations=false \
                 -D version-tag="${VERSION_TAG}"
 fi
@@ -112,7 +76,7 @@ cd "$BUILDDIR"
 ninja "$@"
 if [ "$WITH_TESTS" = 1 ] ; then
         for id in 1 2 3; do
-                getent group $id > /dev/null || groupadd -g $id testgroup$id
+                getent group $id >/dev/null || groupadd -g $id testgroup$id
         done
 
         ninja test
@@ -128,7 +92,7 @@ fi
 
 mkdir -p "$DESTDIR"/etc
 
-cat > "$DESTDIR"/etc/issue <<EOF
+cat >"$DESTDIR"/etc/issue <<EOF
 \S (built from systemd tree)
 Kernel \r on an \m (\l)
 
@@ -138,7 +102,7 @@ if [ -n "$IMAGE_ID" ] ; then
     mkdir -p "$DESTDIR"/usr/lib
     sed -n \
         -e '/^IMAGE_ID=/!p' \
-        -e '$aIMAGE_ID='$IMAGE_ID < /usr/lib/os-release > "$DESTDIR"/usr/lib/os-release
+        -e "\$aIMAGE_ID=$IMAGE_ID" <"/usr/lib/os-release" >"${DESTDIR}/usr/lib/os-release"
 
     OSRELEASEFILE="$DESTDIR"/usr/lib/os-release
 else
@@ -150,7 +114,7 @@ if [ -n "$IMAGE_VERSION" ] ; then
     mkdir -p "$DESTDIR"/usr/lib
     sed -n \
         -e '/^IMAGE_VERSION=/!p' \
-        -e '$aIMAGE_VERSION='$IMAGE_VERSION < $OSRELEASEFILE > /tmp/os-release.tmp
+        -e "\$aIMAGE_VERSION=$IMAGE_VERSION" <$OSRELEASEFILE >"/tmp/os-release.tmp"
 
     cat /tmp/os-release.tmp > "$DESTDIR"/usr/lib/os-release
     rm /tmp/os-release.tmp