main/postmarketos-initramfs: fix panic when booting with console=none

main/postmarketos-initramfs/APKBUILD

 # Maintainer: Oliver Smith <ollieparanoid@postmarketos.org>
 # Co-Maintainer: Clayton Craft <clayton@craftyguy.net>
 pkgname=postmarketos-initramfs
-pkgver=2.7.0
+pkgver=2.7.1
 pkgrel=0
 pkgdesc="Base files for the postmarketOS initramfs / initramfs-extra"
 url="https://postmarketos.org"
@@ -92,8 +92,8 @@ sha512sums="
 5b364300f31c91fd0591eb0715f67cbf5383f45246a5fb9f34b79f7cb2e3b15768b2130e5f32f816cc169950f988c1beabc879ba31645c58ce131a288dbc071d  00-initramfs-base.dirs
 0fed7dfdf940f5de15ca2fa636214d44ee8549afe5001b81beb0e337e865eb737916e158bc0ed7a7803adc81176386ae8edfc21150de62bb136fdfcdcb888b8b  00-initramfs-base.files
 8a4adad3785af474b36a09a05f6a3b2c4b4f43aac331a53b903abfa51ea12be1e3d1d807b7a6e66a1346815f3b0044daf8cd62e21e2dc75d2db13ee265a72985  00-initramfs-extra-base.files
-dd66ed22d443b3745fb7e26814cb87dcd2b8a3b42fa1090a8b3194e1cc14d2f3abf02b20b5166889df5bca238a8848c40ccfa084f12b1a8045c67d8e4fcbe464  init.sh
-f52fb66513b54674899d4b9b3fa195d728dd1a03cf256d81b0171a7163230ab8492529700c40b7c9bf043e3e2a91812102d84ba74d75b078e57af6f19a0bfb29  init_functions.sh
+8164fe021be844db00d282f1f2507d954de3a541999be24e4959128f7cedd36233d7c73411a5f3e8171b9d87706916835ffd8e4722196e48f863683e7e726fc0  init.sh
+45bb75fe2a6c47b06cebc04ceda65cfec56fdb576ca3b247bc1c51b9b29dfeb4aa111256d395360e416fbb1dde4131c0d3b3d75fb55ebb3f0270ed5752799974  init_functions.sh
 ba3275a9af788c7c782322a22a0f144d5e50e3498ea6886486a29331f23ae89cd32d500a3635cfa7cab369afba92edc18aeca64ccbf0cd589061cce23d15b46c  unudhcpd.conf
 675e7d5bee39b2df7d322117f8dcaccc274d61beaf4d50ead19bbf2109446d64b1c0aa0c5b4f9846eb6c1c403418f28f6364eff4537ba41120fbfcbc484b7da7  mdev.conf
 "

main/postmarketos-initramfs/init.sh

@@ -91,8 +91,11 @@ mount_boot_partition /sysroot/boot "rw"
 init="/sbin/init"
 setup_bootchart2
 
-# Restore stdout and stderr to their original values
-exec 1>&3 2>&4
+# Restore stdout and stderr to their original values when the console is not
+# null
+if [ "$(readlink /proc/1/fd/0)" != "/dev/null"; then
+	exec 1>&3 2>&4
+fi
 
 # Re-enable kmsg ratelimiting (might have been disabled for logging)
 echo ratelimit > /proc/sys/kernel/printk_devkmsg

main/postmarketos-initramfs/init_functions.sh

@@ -20,8 +20,11 @@ setup_log() {
 	# Spawn syslogd to log to the kernel
 	syslogd -K
 
-	# Stash fd1/2 so we can restore them before switch_root
-	exec 3>&1 4>&2
+	# Stash fd1/2 so we can restore them before switch_root, but only if the
+	# console is not null
+	if [ "$(readlink /proc/1/fd/0)" != "/dev/null"; then
+		exec 3>&1 4>&2
+	fi
 
 	local pmsg="/dev/pmsg0"