From 50c251318a06434d1ceac90e27d36ef9fa1ac6ec Mon Sep 17 00:00:00 2001
From: javalsai <jvssxxi@gmail.com>
Date: Tue, 3 Sep 2024 20:33:47 +0200
Subject: [PATCH] feat: add runit support

---
 Makefile                     | 11 ++++++++---
 README.md                    |  5 +++--
 assets/pkg/aur/README.md     |  1 +
 assets/services/runit/conf   |  5 +++++
 assets/services/runit/finish |  5 +++++
 assets/services/runit/run    | 15 +++++++++++++++
 6 files changed, 37 insertions(+), 5 deletions(-)
 create mode 100755 assets/services/runit/conf
 create mode 100755 assets/services/runit/finish
 create mode 100755 assets/services/runit/run

diff --git a/Makefile b/Makefile
index c2800a9..a65c8d0 100644
--- a/Makefile
+++ b/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'"
diff --git a/README.md b/README.md
index 57042c5..2d20e64 100644
--- a/README.md
+++ b/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
diff --git a/assets/pkg/aur/README.md b/assets/pkg/aur/README.md
index 7df5f1a..2002ad9 100644
--- a/assets/pkg/aur/README.md
+++ b/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`)
diff --git a/assets/services/runit/conf b/assets/services/runit/conf
new file mode 100755
index 0000000..f746645
--- /dev/null
+++ b/assets/services/runit/conf
@@ -0,0 +1,5 @@
+BAUD_RATE=38400
+TERM_NAME=linux
+
+TTY=tty7
+EXEC_PATH=/bin/lidm
diff --git a/assets/services/runit/finish b/assets/services/runit/finish
new file mode 100755
index 0000000..1fc9229
--- /dev/null
+++ b/assets/services/runit/finish
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+[ -r conf ] && . ./conf
+
+exec utmpset -w $TTY
diff --git a/assets/services/runit/run b/assets/services/runit/run
new file mode 100755
index 0000000..1601cef
--- /dev/null
+++ b/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