Initial commit — Antergos NeXT

2026-06-07 19:34:32 +02:00
commit 24ccf7d09d
152 changed files with 8914 additions and 0 deletions
@@ -0,0 +1,70 @@
+#!/bin/bash
+
+# This app checks if an Intel graphics device in the system is of generation from 1 to 3.
+# If an old Intel device is detected, app installs the xf86-video-intel package.
+# This app is meant to install the package into the ISO only.
+# Returns 0 (=true) if a match is found.
+# Returns 1 (=false) otherwise.
+# Also displays the found matching Intel device id, or a simple message if not found.
+
+DIE() {
+    echo "$progname: error: $1" >&2
+    exit 1
+}
+
+IsIntelGeneration_1_to_3() {
+    # See https://en.m.wikipedia.org/wiki/List_of_Intel_graphics_processing_units.
+
+    local id="$1"
+
+    local generation_1to3_ids=(
+        7800 1240 7121 7123 7125 1132                                      # gen 1
+        2562 3577 2572 3582 358E                                           # gen 2     (table had duplicate 3582)
+        2582 258A 2592 2772 27A2 27AE 29D2 29B2 29C2 A001 A011             # gen 3
+        # 2972 2992 29A2 2982 2A02 2A12 2E42 2E92 2E12 2E32 2E22 2A42      # gen 4     (commented out but here if needed)
+    )
+
+    id="${id^^[a-f]}"                                # makes all letters uppercase in $id
+
+    [[ "${generation_1to3_ids[*]}" =~ "$id" ]]       # returns 0 if $id matches any of the listed values, returns 1 otherwise
+}
+
+Main() {
+    local progname="$(basename "$0")"
+
+    # User may give graphics item(s) to search (VGA, Display, 3D).
+    # By default VGA, Display, and 3D are searched.
+
+    local input_items="VGA|Display|3D"
+    local data=$(lspci -nn | grep -P "$input_items")    # data = info about graphics devices
+    local vendor_and_id
+    local vendor
+    local id
+    local item
+    local intel_vid=8086
+    local pkg=xf86-video-intel
+
+    for item in ${input_items//|/ } ; do
+        if [ -n "$(echo "$data" | grep -w "$item")" ] ; then
+            vendor_and_id=$(echo "$data" | grep "$item" | sed -E 's|.*\[([0-9a-f]+:[0-9a-f]+)\].*|\1|')   # "xxxx:yyyy"
+            [ -n "$vendor_and_id" ] || DIE "failed finding $item info"
+            vendor=${vendor_and_id%:*}
+            if [ "$vendor" = "$intel_vid" ] ; then
+                id=${vendor_and_id#*:}
+                if IsIntelGeneration_1_to_3 "$id" ; then
+                    echo "==> $progname: found Intel graphics device with id $id, installing package $pkg"
+                    local pkgs=(/usr/share/packages/{$pkg,libxvmc}-*.pkg.tar.zst)
+                    sudo pacman -U --noconfirm "${pkgs[@]}"
+                    echo "==> $progname: disable compositor for legacy intel in KDE live session"
+                    mv /home/liveuser/.config/intel-kwinrc /home/liveuser/.config/kwinrc
+                    chown liveuser:liveuser /home/liveuser/.config/kwinrc
+                    return 0
+                fi
+            fi
+        fi
+    done
+    echo "==> $progname: No gen1..gen3 Intel graphics device was found."
+    return 1  # Intel graphics device not found
+}
+
+Main "$@"