From d9513087a1a0702325bef126ebfcaf6755602f76 Mon Sep 17 00:00:00 2001
From: Mattias Andrée <m@maandree.se>
Date: Thu, 28 Nov 2024 22:54:29 +0100
Subject: Add mount-devices script under cryptsetup
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Signed-off-by: Mattias Andrée <m@maandree.se>
---
 cryptsetup/Makefile      | 15 +++++++++++++++
 cryptsetup/mount-devices | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100644 cryptsetup/Makefile
 create mode 100755 cryptsetup/mount-devices

(limited to 'cryptsetup')

diff --git a/cryptsetup/Makefile b/cryptsetup/Makefile
new file mode 100644
index 0000000..0666bc6
--- /dev/null
+++ b/cryptsetup/Makefile
@@ -0,0 +1,15 @@
+.POSIX:
+
+install:
+	../check-installed-shebang mount-devices
+	../check-in-path test
+	../check-in-path mountpoint
+	../check-in-path cryptsetup
+	../check-in-path mount
+	mkdir -p -- ~/.local/bin
+	test ! -e ~/.local/bin/mount-devices || test -L ~/.local/bin/mount-devices
+	ln -sf -- ~/.dotfiles/cryptsetup/mount-devices ~/.local/bin/mount-devices
+
+uninstall:
+	+! ../check-installed cryptsetup
+	-unlink -- ~/.local/bin/mount-devices
diff --git a/cryptsetup/mount-devices b/cryptsetup/mount-devices
new file mode 100755
index 0000000..a26fd1c
--- /dev/null
+++ b/cryptsetup/mount-devices
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+# Although the name doesn't indicate it, this is only for encrypted
+# partitions, and it exists only because systemd is absolutely
+# terrible at mounting encrypted filesystems. Thanks you, Lennart
+# and all the idiots that thought your craps smelled good.
+
+cd /devices
+
+for f in *; do
+	# Make sure the symlink points to an available device
+	if ! test -e "$f"; then
+		continue
+	fi
+
+	# Make sure that the device should be mounted in /media/
+	if ! test -d "/media/$f"; then
+		continue;
+	fi
+
+	# Make sure the device is not already mounted
+	if mountpoint -q "/media/$f"; then
+		continue;
+	fi
+
+	# If the device has not been decrypted already, attempt to decrypt it
+	if ! test -e "/dev/mapper/$f"; then
+		if ! cryptsetup open "/devices/$f" "$f"; then
+			continue
+		fi
+	fi
+
+	# And of course, mount the decrypted device
+	mount "/dev/mapper/$f" "/media/$f"
+done
-- 
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