watch-versions new

1 files changed, 71 insertions, 0 deletions

diff --git a/watch-versions b/watch-versions
new file mode 100755
index 0000000..83c70df
--- /dev/null
+++ b/watch-versions
@@ -0,0 +1,71 @@
+#!/bin/sh
+
+if [ $# -eq 0 ]; then
+  git -C "$(dirname "$0")/../packages" pull --ff-only >/dev/null 2>&1
+#  curl -Ss 'https://packages.archlinux32.org/?uses_upstream=Does+Not+Use+Upstream&fuzzy&tsv' 
+  curl -Ss 'http://packages.archlinux32.local/?uses_upstream=Does+Not+Use+Upstream&fuzzy&tsv' | \
+    {
+      read -r headers
+      pkgbase_column=$(
+        printf '%s\n' "${headers}" | \
+          tr '\t' '\n' | \
+          grep -nxF 'pkgbase' | \
+          cut -d: -f1
+      )
+      cut -f${pkgbase_column}
+    } | \
+    sort -u | \
+    parallel -j0 "$0"
+  exit $?
+elif [ $# -gt 1 ]; then
+  >&2 echo 'I need zero or one argument.'
+  exit 1
+fi
+
+pkgbase="$1"
+unset pkgver
+unset epoch
+
+eval "$(
+  git -C "$(dirname "$0")/../packages" archive origin/master -- | \
+    tar -Ox --wildcards '*/'"${pkgbase}"'/PKGBUILD' | \
+    sed -n '
+      /^epoch=/p
+      /^pkgver=/p
+    '
+)"
+
+oldver="${epoch}${epoch+:}${pkgver}"
+
+case "${pkgbase}" in
+  'linux-pae')
+    url='https://www.kernel.org/pub/linux/kernel/v4.x/'
+    regex='<a href="linux-\([0-9.]\+\)\.tar\.sign">'
+  ;;
+  'pcmciautils')
+    url='https://kernel.org/pub/linux/utils/kernel/pcmcia/'
+    regex='<a href="pcmciautils-\([0-9.]\+\)\.tar\.sign">'
+  ;;
+  'archlinux32-keyring'|'archlinux32-keyring-transition')
+    url='https://sources.archlinux32.org/sources/'
+    regex='<a href="archlinux32-keyring-v\([0-9.]\+\)\.tar\.gz">'
+  ;;
+esac
+
+newver=$(
+  curl -LSs "${url}" | \
+    sed -n '
+      s/^.*'"${regex}"'.*$/\1/
+      T
+      p
+    ' | \
+    sort -V | \
+    tail -n1
+)
+
+if [ "${newver}" != "${oldver}" ]; then
+  printf '%s: %s vs. %s\n' \
+    "${pkgbase}" \
+    "${newver}" \
+    "${oldver}"
+fi