watch-versions: kernel may start with 5. nowadays ;-P

1 files changed, 16 insertions, 1 deletions

diff --git a/watch-versions b/watch-versions
index 8c0dac1..c46f42a 100755
--- a/watch-versions
+++ b/watch-versions
@@ -56,7 +56,22 @@ oldver=$(
 
 case "${pkgbase}" in
   'linux-pae')
-    url='https://www.kernel.org/pub/linux/kernel/v4.x/'
+    url=$(
+      curl -LSs 'https://www.kernel.org/pub/linux/kernel' \
+        | sed '
+          s,^<a href="\(v[0-9]\+\.x/\)">\1</a>.*$,\1,
+          t
+          d
+        ' \
+        | sort -Vr \
+        | while read -r sub; do
+          if curl -ILs "https://www.kernel.org/pub/linux/kernel/${sub}/sha256sums.asc" \
+            | grep -qFw 'HTTP/1.1 200 OK'; then
+            echo "https://www.kernel.org/pub/linux/kernel/${sub}"
+            break
+          fi
+        done
+    )
     regex='<a href="linux-\([0-9.]\+\)\.tar\.sign">'
   ;;
   'pcmciautils')