Refactor preset generation

src/etc/pacman.d/hooks/90-mkinitcpio-install.hook

@@ -4,6 +4,13 @@ Operation = Install
 Operation = Upgrade
 Target = usr/lib/modules/*/vmlinuz
 
+[Trigger]
+Type = Package
+Operation = Install
+Target = mkinitcpio
+Target = mkinitcpio-git
+Target = eos-systemd-boot
+
 [Action]
 Description = Installing mkinitcpio presets...
 When = PostTransaction

src/usr/bin/gen-mkinitcpio-preset

@@ -0,0 +1,35 @@
+#/usr/bin/env bash
+
+# Check to ensure we have the correct number of input parameters
+if [[ -z $1 || -z $2 || -z $3 ]]; then
+    echo "Usage: gen-mkinitcpio-preset <version> <kernel> <packagename>"
+    exit 1
+fi
+
+# parse the input
+version=${1}
+vmlinuz=${2}
+packagename=${3}
+
+preset_file="/etc/mkinitcpio.d/${packagename}.preset"
+
+# get the machine-id
+machineid=$(cat /etc/machine-id)
+if [[ -z ${machineid} ]]; then
+    echo "Failed to get the machine ID"
+    exit
+fi
+
+# Find the configured esp
+esp=$(bootctl -p)
+
+# create a preset compatible with kernel-install
+preset_file="/etc/mkinitcpio.d/${packagename}.preset"
+echo ":: Generating ${preset_file}"
+
+echo 'ALL_config="/etc/mkinitcpio.conf"' > ${preset_file}
+echo 'ALL_kver="'"${esp}/${machineid}/${version}/linux"'"' >> ${preset_file}
+echo 'PRESETS=('default' 'fallback')' >> ${preset_file}
+echo 'default_image="'"${esp}/${machineid}/${version}/initrd"'"' >> ${preset_file}
+echo 'fallback_image="'"${esp}/${machineid}/${version}/initrd-fallback"'"' >> ${preset_file}
+echo 'fallback_options="-S autodetect"' >> ${preset_file}

src/usr/share/libalpm/scripts/kernel-install-mkinitcpio-install

@@ -1,38 +1,38 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
+
+
+
+all=0
 
 while read -r line; do
+    if [[ $line != */vmlinuz ]]; then
+        # triggers when it's a change to usr/lib/initcpio/*
+        all=1
+        continue
+    fi
 
     if ! read -r pkgbase > /dev/null 2>&1 < "${line%/vmlinuz}/pkgbase"; then
         # if the kernel has no pkgbase, we skip it
         continue
     fi
-    
+
     # parse the input
     version=$(basename "${line%/vmlinuz}")
 	vmlinuz="/${line}"
     packagename=$(cat ${line%/vmlinuz}/pkgbase)
 
-    preset_file="/etc/mkinitcpio.d/${packagename}.preset"
-  
-    # get the machine-id
-    machineid=$(cat /etc/machine-id)
-    if [[ -z ${machineid} ]]; then
-        echo "Failed to get the machine ID"
-        exit
-    fi
-
-    # Find the configured esp
-    esp=$(bootctl -p)
-
-    # create a preset compatible with kernel-install
-    preset_file="/etc/mkinitcpio.d/${packagename}.preset"
-    echo ":: Modifying ${preset_file}"
-
-    echo 'ALL_config="/etc/mkinitcpio.conf"' > ${preset_file}
-    echo 'ALL_kver="'"${esp}/${machineid}/${version}/linux"'"' >> ${preset_file}
-    echo 'PRESETS=('default' 'fallback')' >> ${preset_file}
-    echo 'default_image="'"${esp}/${machineid}/${version}/initrd"'"' >> ${preset_file}
-    echo 'fallback_image="'"${esp}/${machineid}/${version}/initrd-fallback"'"' >> ${preset_file}
-    echo 'fallback_options="-S autodetect"' >> ${preset_file}
+    echo /usr/bin/gen-mkinitcpio-preset ${version} ${vmlinuz} ${packagename}
 
 done
+
+if [[ $all == 0 ]]; then
+    # Run gen-mkinitcpio-preset for all the installed kernels
+    while read -r pkgbasefile; do
+        version=$(basename "${pkgbasefile%/pkgbase}")
+        vmlinuz="${pkgbasefile%/pkgbase}/vmlinuz"
+        packagename=$(cat ${pkgbasefile})
+        echo /usr/bin/gen-mkinitcpio-preset ${version} ${vmlinuz} ${packagename}
+    done < <(find /usr/lib/modules -maxdepth 2 -type f -name pkgbase)
+fi
+
+