1 files changed, 54 insertions, 0 deletions
diff --git a/x-setup.sh b/x-setup.sh
new file mode 100644
index 0000000..e2f2533
--- /dev/null
+++ b/x-setup.sh
@@ -0,0 +1,54 @@
+#!/bin/bash
+
+if [ ! -d /proc/bus/pci ]; then
+	echo "PCI bus not available" >&2
+	exit 0
+fi
+
+. /sbin/kogaion-functions.sh
+
+REDETECT=$(cat /proc/cmdline | grep "gpudetect")
+
+gpus_same() {
+    # $1 and $2: output lines from "lspci"
+    local id1 id2 # [xxxx:]xx:xx.x
+    local dev1 dev2 # vendor and device: xxxx:xxxx
+    id1=$(echo "$1" | awk '/ VGA / { print $1 }')
+    id2=$(echo "$2" | awk '/ VGA / { print $1 }')
+    if [ -z "$id1" ] || [ -z "$id2" ]; then
+        return 1
+    fi
+    dev1=$(lspci -s "$id1" -n | awk '{ print $3 }')
+    dev2=$(lspci -s "$id2" -n | awk '{ print $3 }')
+    [ "$dev1" = "$dev2" ]
+}
+
+
+if [ -e /first_time_run ] || [ ! -e /etc/gpu-detector.conf ] \
+    || [ -n "${REDETECT}" ]; then
+    echo "Configuring GPUs and input devices for the first time"
+    lspci | grep ' VGA ' > /etc/gpu-detector.conf
+    /sbin/gpu-configuration
+    exit 0
+fi
+
+infostr_run="Configuring GPUs and input devices"
+infostr_skip="Skipping GPUs and input devices configuration"
+lspci_vga=$(lspci | grep ' VGA ')
+stored_vga=$(cat /etc/gpu-detector.conf)
+
+if [ "${lspci_vga}" != "${stored_vga}" ]; then
+    # Strings are different, let's do the more "heavy" and accurate comparison.
+    if gpus_same "${lspci_vga}" "${stored_vga}"; then
+        # this may happen after vendor changes its name etc.
+        # and PCI ID file is updated
+        echo "${infostr_skip}, only updating GPU information file"
+    else
+        echo "${infostr_run}"
+        /sbin/gpu-configuration
+    fi
+    echo "${lspci_vga}" > /etc/gpu-detector.conf
+    exit 0
+fi
+
+echo "${infostr_skip}"