From e8989364d703974ce2b968a0c2f2249a61f423f2 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Tue, 4 Sep 2018 10:41:24 +0200
Subject: bin/build-packages: save versions of required python and perl

---
 bin/build-packages | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

(limited to 'bin')

diff --git a/bin/build-packages b/bin/build-packages
index 5d107d1..ea4cdec 100755
--- a/bin/build-packages
+++ b/bin/build-packages
@@ -500,7 +500,7 @@ while [ "${count}" -ne 0 ] && \
             done
           >&2 printf 'searching for required and more provided libraries\n'
           package_content_dir=$(mktemp -d "${tmp_dir}/package-content.XXXXXX")
-          # TODO: qt, perl and python versions should be added here, too
+          # TODO: qt version should be added here, too
           find "${tar_content_dir}" -maxdepth 1 \
             -name '*.pkg.tar.xz' | \
             while read -r pkgfile; do
@@ -548,6 +548,27 @@ while [ "${count}" -ne 0 ] && \
                 find "${package_content_dir:?}/${pkgfile##*/}" -xdev -exec chmod 777 '{}' \;
                 rm -rf --one-file-system "${package_content_dir:?}/${pkgfile##*/}"
               fi
+              tar -tJf "${pkgfile}" 2>/dev/null | \
+                sed -n '
+                  s,^usr/lib/python\([^/]\+\)/$,python \1,
+                  t print
+                  s,^usr/lib/perl[^/]\+/\([^/]\+\)/$,perl \1,
+                  t print
+                  b
+                  :print
+                  s/\./ /
+                  p
+                ' | \
+                while read -r name major_version minor_version; do
+                  printf '%s>=%s.%s\n%s<%s.%s\n' \
+                    "${name}" \
+                    "${major_version}" \
+                    "${minor_version}" \
+                    "${name}" \
+                    "${major_version}" \
+                    "$((minor_version+1))"
+                done >> \
+                "${pkgfile}.so.needs"
             done
           >&2 printf 'running namcap ...'
           if [ "${repository}" = 'multilib' ]; then
-- 
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