From d1f1edad2f59331f404156e979924f608a88ee49 Mon Sep 17 00:00:00 2001
From: Rafostar <40623528+Rafostar@users.noreply.github.com>
Date: Apr 02 2020 11:28:19 +0000
Subject: Auto find latest Fedora image for download


---

diff --git a/.env b/.env
index da7d1f5..4b07b91 100644
--- a/.env
+++ b/.env
@@ -7,7 +7,8 @@ PP_PARTB=/dev/loop1p2
 OUT_NAME=fedora.img
 
 # Only needed if you want a custom file, otherwise do not change.
-FEDORA_RAW_FILE=Fedora-Minimal-Rawhide-20200302.n.1.aarch64.raw.xz
+# FEDORA_RAW_FILE=Fedora-Minimal-Rawhide-20200302.n.1.aarch64.raw.xz
+FEDORA_RAW_SOURCE=https://dl.fedoraproject.org/pub/fedora-secondary/development/rawhide/Spins/aarch64/images
 KERNEL_RAW_DIR=pp-5.6
 
 export PP_IMAGE
diff --git a/02-install-rootfs.sh b/02-install-rootfs.sh
index 36716aa..eb339f6 100755
--- a/02-install-rootfs.sh
+++ b/02-install-rootfs.sh
@@ -16,11 +16,6 @@ errecho () {
     exit 1
 }
 
-# Ask for env vars...
-infecho "The env vars that will be used in this script..."
-infecho "FEDORA_RAW_FILE = $FEDORA_RAW_FILE"
-echo
-
 # Automatic Preflight Checks
 if [[ $EUID -ne 0 ]]; then
     errecho "This script must be run as root!" 
diff --git a/download-files.sh b/download-files.sh
index ef45212..9fa0ff6 100755
--- a/download-files.sh
+++ b/download-files.sh
@@ -3,9 +3,6 @@ set -e
 
 source .env
 
-echo "This may fail! This is because it is set to download a file that is too old."
-echo "Please visit https://dl.fedoraproject.org/pub/fedora-secondary/development/rawhide/Spins/aarch64/images/ and update the file name in .env with the new file name on that website."
-
 echo "This script will download a few GB of Fedora and a few MB of Kernel into the current directory."
 echo "Look inside the script if you would rather download manually."
 echo
@@ -17,7 +14,28 @@ then
     wget https://xff.cz/kernels/5.6/pp.tar.gz -O pp.tar.gz
     tar xf pp.tar.gz
 
+    # Get latest rawhide from repo when not set in .env
+    if [ -z "$FEDORA_RAW_FILE" ]
+    then
+        echo "Searching for latest Fedora Rawhide..."
+        FEDORA_RAW_VER=$(wget -q $FEDORA_RAW_SOURCE -O - | grep -Po '(?<=Fedora-Minimal-Rawhide-).*?(?=.aarch64)' | head -n 1)
+        if [ ! -z "$FEDORA_RAW_VER" ]
+        then
+            echo "Downloading latest Fedora version: $FEDORA_RAW_VER"
+            FEDORA_RAW_FILE=Fedora-Minimal-Rawhide-$FEDORA_RAW_VER.aarch64.raw.xz
+            echo ""
+        else
+            echo "Could not obtain latest version data"
+            echo "Please visit $FEDORA_RAW_SOURCE uncomment and update the FEDORA_RAW_FILE name in .env with the name on that website."
+            exit 1
+        fi
+    else
+        echo "Downloading Fedora set in .env file: $FEDORA_RAW_FILE"
+        echo "This may fail if it is set to download a file that is too old."
+        echo ""
+    fi
+
     # Download fedora
-    wget https://dl.fedoraproject.org/pub/fedora-secondary/development/rawhide/Spins/aarch64/images/$FEDORA_RAW_FILE -O rawhide.raw.xz
+    wget $FEDORA_RAW_SOURCE/$FEDORA_RAW_FILE -O rawhide.raw.xz
     xz --decompress rawhide.raw.xz
 fi