avoid dependency on lsb-release

1 files changed, 11 insertions, 1 deletions

diff --git a/selfpublish.sh b/selfpublish.sh
index fd6b67d..b1bde50 100644
--- a/selfpublish.sh
+++ b/selfpublish.sh
@@ -48,9 +48,19 @@ write_line_once()
     fi
 }
 
+self_codename()
+{
+        if which lsb_release >/dev/null
+        then
+                lsb_release -cs
+        else
+                sed -ne 's/^VERSION_CODENAME=//p' /etc/os-release
+        fi
+}
+
 dpkg_install()
 {
-    case "$(lsb_release -cs)" in
+    case "$(self_codename)" in
         buster)
             apt-cache policy | grep -q 'http://httpredir.debian.org/debian buster-backports/main' ||
                 write_line_once /etc/apt/sources.list.d/buster-backports.list \