Marcelo Alcantara
baf6df3e80
On aarch64 the Limine hooks and the mkinitcpio wrapper run through limine-apple-gate. Only an Apple Silicon Mac (device tree "apple,") behaves differently: Limine's kernel and removal hooks wait until Omarchy activates Limine (/var/lib/omarchy/limine.enabled and /etc/default/limine), mkinitcpio's own kernel hook keeps /boot current before and after activation, Limine's EFI deploy hook is left to omarchy-mac-boot, and the wrapper is plain mkinitcpio. Skipped hooks drain the socket pacman streams targets over. x86_64 packages exactly what 1.39.0-1 did; generic aarch64 and Snapdragon keep upstream behaviour.
70 lines
2.3 KiB
Bash
70 lines
2.3 KiB
Bash
#!/bin/bash
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# The aarch64 package runs its pacman hooks and its mkinitcpio wrapper through
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# this, so that only an Apple Silicon Mac behaves differently from upstream:
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#
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# limine-apple-gate COMMAND... COMMAND, except on a Mac that has not activated Limine
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# limine-apple-gate --mac COMMAND... COMMAND on a Mac only
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# limine-apple-gate --not-mac COMMAND... COMMAND everywhere but a Mac
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# limine-apple-gate --mac succeeds on a Mac only
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#
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# A Mac boots GRUB until Omarchy activates Limine: the gate
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# /var/lib/omarchy/limine.enabled and the /etc/default/limine the activation
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# writes, the same test as omarchy-mac-limine-active. A command that does not
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# run reads the targets pacman streams to it and succeeds quietly.
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gate=/var/lib/omarchy/limine.enabled
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limine_default=/etc/default/limine
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compatible=(/proc/device-tree/compatible /sys/firmware/devicetree/base/compatible)
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# Fixtures fake the machine for an unprivileged caller only; as root, which
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# pacman hooks always are, the live system decides.
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if ((EUID != 0)); then
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gate=${OMARCHY_LIMINE_GATE:-$gate}
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limine_default=${OMARCHY_LIMINE_DEFAULT:-$limine_default}
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if [[ -n ${OMARCHY_PROC_ROOT:-}${OMARCHY_SYS_ROOT:-} ]]; then
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compatible=()
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[[ -z ${OMARCHY_PROC_ROOT:-} ]] || compatible+=("$OMARCHY_PROC_ROOT/device-tree/compatible")
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[[ -z ${OMARCHY_SYS_ROOT:-} ]] || compatible+=("$OMARCHY_SYS_ROOT/firmware/devicetree/base/compatible")
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fi
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fi
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# m1n1 names every Apple Silicon Mac "apple,<model>" in the root node's
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# NUL-separated compatible list, as omarchy-hw-platform reads it.
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is_mac() {
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local source
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for source in "${compatible[@]}"; do
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[[ -r $source ]] && tr '\0' '\n' <"$source" | grep -q '^apple,' && return 0
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done
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return 1
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}
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# pacman writes NeedsTargets to a socket and fails the write if the hook has
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# gone; hooks without NeedsTargets get no stdin at all.
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pass() {
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if [[ -S /dev/stdin || -p /dev/stdin ]]; then
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cat >/dev/null
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fi
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exit 0
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}
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mode=limine
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case ${1:-} in
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--mac | --not-mac)
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mode=${1#--}
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shift
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;;
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esac
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if (($# == 0)); then
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[[ $mode == mac ]] && { is_mac; exit; }
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echo "usage: limine-apple-gate [--mac|--not-mac] COMMAND [ARG]..." >&2
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exit 2
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fi
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case $mode in
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mac) is_mac || pass ;;
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not-mac) ! is_mac || pass ;;
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limine) ! is_mac || [[ -e $gate && -f $limine_default ]] || pass ;;
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esac
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exec "$@"
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