From 90c542991e4aad8924ac6eeccfb87cb7e5c3ee12 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Tue, 14 Jan 2020 08:57:07 +0100
Subject: watch-versions: add fallback of (slightly modified) upstream package

---
 watch-versions | 52 +++++++++++++++++++++++++++++++++++-----------------
 1 file changed, 35 insertions(+), 17 deletions(-)

(limited to 'watch-versions')

diff --git a/watch-versions b/watch-versions
index ac42c72..85d16e9 100755
--- a/watch-versions
+++ b/watch-versions
@@ -95,27 +95,45 @@ case "${pkgbase}" in
     regex_b='<td><span class="flagged">\([^-<>]\+\)-[0-9]\+<\/span><\/td>'
   ;;
   *)
-    >&2 printf 'Checking the version of package "%s" is not yet implemented!\n' "${pkgbase}"
-    exit 1
+    # It might be a (slightly modified) copy of an upstream package:
+    # Then we simply take the upstream pkgver.
+    newver=$(
+      for repository in /var/lib/pacman/sync/*.db; do
+        bsdtar -tf "${repository}"
+      done \
+      | sed '
+        s@^'"${pkgbase//./\.}"'-\([^-]\+\)-[0-9.]\+/desc$@\1@
+        t
+        d
+      ' \
+      | sort -V \
+      | tail -n1
+    )
+    if [ -z "${newver}" ]; then
+      >&2 printf 'Checking the version of package "%s" is not yet implemented!\n' "${pkgbase}"
+      exit 1
+    fi
   ;;
 esac
 
-if [ -z "${regex_b}" ]; then
-  regex_b="${regex}"
-fi
+if [ -z "${newver}" ]; then
+  if [ -z "${regex_b}" ]; then
+    regex_b="${regex}"
+  fi
 
-newver=$(
-  curl -LSs "${url}" | \
-    sed '
-      '"${range}"' s/^.*'"${regex}"'.*$/\1/
-      t
-      '"${range}"' s/^.*'"${regex_b}"'.*$/\1/
-      t
-      d
-    ' | \
-    sort -V | \
-    tail -n1
-)
+  newver=$(
+    curl -LSs "${url}" | \
+      sed '
+        '"${range}"' s/^.*'"${regex}"'.*$/\1/
+        t
+        '"${range}"' s/^.*'"${regex_b}"'.*$/\1/
+        t
+        d
+      ' | \
+      sort -V | \
+      tail -n1
+  )
+fi
 
 if [ "${newver}" != "${oldver}" ]; then
   if ${machine_readable}; then
-- 
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