Add support for 66.

Author: flexibeast

src/init/init

@@ -413,6 +413,8 @@ if ! init_tuple="$(grep -q '\<bedrock_init=' /proc/cmdline && sed -e 's/^.*bedro
 fi
 init_stratum="$(echo "${init_tuple}" | cut -d: -f1)"
 init_cmd="$(echo "${init_tuple}" | cut -d: -f2-)"
+# Make init_cmd available to brl-apply when we call it later.
+export init_cmd
 
 echo ""
 step_init "6"

src/slash-bedrock/etc/bedrock.conf

@@ -60,7 +60,7 @@ default =
 # Bedrock init menu will list every available one from every (unignored)
 # stratum.
 #
-paths = /sbin/init, /sbin/fallback-init, /sbin/myinit, /sbin/ninit, /sbin/openrc-init, /sbin/runit-init, /sbin/simpleinit, /sbin/upstart, /lib/sysvinit/init, /lib/systemd/systemd, /usr/lib/systemd/systemd, /usr/bin/intra-desktop
+paths = /sbin/init, /sbin/fallback-init, /sbin/myinit, /sbin/ninit, /sbin/openrc-init, /sbin/runit-init, /sbin/simpleinit, /sbin/upstart, /lib/sysvinit/init, /lib/systemd/systemd, /usr/lib/systemd/systemd, /usr/bin/intra-desktop, /bin/66, /usr/bin/66
 
 #
 # Kernel modules to load before assuming keyboard is available.

src/slash-bedrock/libexec/brl-apply

@@ -343,6 +343,14 @@ if [ -r /etc/fstab ] && awk '$1$2$3$4$5$6 !~ "#" && $6 != "" && $6 != 0 {x=1} EN
 	' /etc/fstab >/etc/fstab-new && mv /etc/fstab-new /etc/fstab
 fi
 
+# When using 66 init, make a tmpfs available for 66's LIVE directory.
+# The init_cmd variable is exported by bedrock init for use here.
+if [ -n $init_cmd ] && echo $init_cmd | grep -q '66'; then
+    live_dir=$(awk -F= -e '/^LIVE=/ { print $2 }' /etc/66/init.conf)
+    mkdir -p $live_dir
+    mount -t tmpfs tmpfs $live_dir -o rw,nosuid,nodev,mode=755,exec
+fi
+
 # Disable SELinux
 for stratum in $(/bedrock/bin/brl list -ei); do
 	root="$(stratum_root --empty "${stratum}")"
@@ -445,4 +453,19 @@ for stratum in $(/bedrock/bin/brl list -ei); do
 	mv "${init}-bedrock-patch" "${init}"
 done
 
+# Patch 66 init to skip unmounting /run, as this breaks Bedrock's pre-init setup of /run
+for stratum in $(/bedrock/bin/brl list -ei); do
+	stratum_root="/bedrock/strata/${stratum}"
+	for init in "${stratum_root}/bin/66" "${stratum_root}/usr/bin/66"; do
+		if [ -x ${init} ] && grep -q '\-m' ${init}; then
+			cp "${init}" "${init}-bedrock-patch"
+			# This is obviously not robust against the various
+			# forms the call to 66-boot can take, but KISS is
+			# probably sufficient for now.
+			sed 's/-m//' "${init}" > "${init}-bedrock-patch"
+			mv "${init}-bedrock-patch" "${init}"
+		fi
+	done
+done
+
 exit_success