feat: add runit support

Makefile

@@ -43,13 +43,18 @@ install-service:
 		make install-service-systemd; \
 	elif command -v dinitctl &> /dev/null; then \
 		make install-service-dinit; \
+	elif command -v sv &> /dev/null; then \
+		make install-service-runit; \
 	else \
-		printf '\x1b[1;31m%s\x1b[0m\n' "Unknown init system, skipping install..."; \
+		printf '\x1b[1;31m%s\x1b[0m\n' "Unknown init system, skipping service install..."; \
 	fi
 
 install-service-systemd:
-	install -m755 ./assets/services/systemd.service /etc/systemd/system/lidm.service
+	install -m655 ./assets/services/systemd.service /etc/systemd/system/lidm.service
 	@printf '\x1b[1m%s\x1b[0m\n\n' " don't forget to run 'systemctl enable lidm'"
 install-service-dinit:
-	install -m755 ./assets/services/dinit /etc/dinit.d/lidm
+	install -m655 ./assets/services/dinit /etc/dinit.d/lidm
 	@printf '\x1b[1m%s\x1b[0m\n\n' " don't forget to run 'dinitctl enable lidm'"
+install-service-runit:
+	rsync -a --no-owner --no-group ./assets/services/runit/. /etc/runit/sv/lidm
+	@printf '\x1b[1m%s\x1b[0m\n\n' " don't forget to run 'ln -s /etc/runit/sv/lidm /run/runit/service' and 'sv enable lidm'"

README.md

@@ -24,7 +24,7 @@ LiDM is like any [X Display Manager](https://en.wikipedia.org/wiki/X_display_man
 * Fast and possibly efficient.
 * Fully customizable, from strings, including action keys, to colors (I hope you know ansi escape codes)
 * Automatically detects xorg and wayland sessions, plus allowing to launch the default user shell (if enabled in config)
-* Starts with many init systems eg: systemd and dinit.
+* Starts with many init systems (systemd, dinit and runit).
 
 ## WIP
 * Desktop's file `TryExec` key.
@@ -60,7 +60,7 @@ We all know that the most important thing in a project is the ideology of the au
 
 # Usage
 ### Arguments
-If a single argument is provided (don't even do `--` or standard parsing...), it passes that argument to `chvt` on startup, used (at least) by the dinit service.
+If a single argument is provided (don't even do `--` or standard parsing...), it passes that argument to `chvt` on startup, used (at least) by the dinit and runit services.
 
 ### Program
 On top of pure intuition:
@@ -100,6 +100,7 @@ make install-service
 # or if you don't like autodetection
 make install-service-systemd # systemd
 make install-service-dinit # dinit
+# ...other supported init systems....
 ```
 
 ## AUR

assets/pkg/aur/README.md

@@ -15,3 +15,4 @@ There are three packages that follow standard conventions:
 Summary of what to do to install service files anyways:
 * **systemd:** Copy `assets/services/systemd.service` to `/etc/systemd/system/lidm.service` and enable the service (`systemctl enable lidm`)
 * **dinit:** Copy `assets/services/dinit` to `/etc/dinit.d/lidm` and enable the service (`dinitctl enable lidm`)
+* **runit:** Copy `assets/services/runit/` to `/etc/runit/sv/lidm/`, add the service (`ln -s /etc/runit/sv/lidm /run/runit/service`) and enable it (`sv enable lidm`)

assets/services/runit/conf

@@ -0,0 +1,5 @@
+BAUD_RATE=38400
+TERM_NAME=linux
+
+TTY=tty7
+EXEC_PATH=/bin/lidm

assets/services/runit/finish

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+[ -r conf ] && . ./conf
+
+exec utmpset -w $TTY

assets/services/runit/run

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+[ -r conf ] && . ./conf
+
+if [ -x /sbin/getty -o -x /bin/getty ]; then
+	# busybox
+	GETTY=getty
+elif [ -x /sbin/agetty -o -x /bin/agetty ]; then
+	# util-linux
+	GETTY=agetty
+fi
+
+exec setsid ${GETTY} ${GETTY_ARGS} \
+	"${TTY}" "${TERM_NAME}" \
+	-n -l "${EXEC_PATH}" -o 7