Show a warning to the user if GPG fingerprint is absent

tools/packaging/README.md

@@ -45,6 +45,10 @@ On a build machine (Electric Commander), make sure the fingerprint is of the
 person who is supposed to sign the official uploads. You might also want to
 configure GnuPG to not ask for the passphrase while signing the Debian package.
 
+The [Ubuntu Packaging Guide] contains documentation about creating a GPG key
+on an Ubuntu system.
+[Ubuntu Packaging Guide]:http://packaging.ubuntu.com/html/getting-set-up.html#create-your-gpg-key
+
 ####Windows (Cygwin)
 Below is a list of required packages for Windows (Win32-x86):
 

tools/packaging/debian/debianize.sh

@@ -20,6 +20,8 @@
 # Uncomment the following line to trace the execution of the shell commands
 # set -o xtrace
 
+SIGNING_USER=$(gpg --fingerprint | grep uid | sed s/"uid *"//g | tr -s " ")
+
 function tarball_deb {
   box_draw "Compressing compiled binaries to produce a bzip2 tarball"
   cd ${workdir}
@@ -165,8 +167,6 @@ EOF
 
   echo "Create file: debian/changelog"
 
-  SIGNING_USER=$(gpg --fingerprint | grep uid | sed s/"uid *"//g | tr -s " ")
-
   cat >> ${prefix}/debian/changelog << EOF
 cling (${VERSION}-1) unstable; urgency=low
 
@@ -212,6 +212,10 @@ function check_ubuntu {
   then
     printf "%-10s\t\t[NOT INSTALLED]\n" "${1}"
   else
-    printf "%-10s\t\t[OK]\n" "${1}"
+    if [ ${1} = "gnupg" -a "${SIGNING_USER}" = "" ]; then
+      printf "%-10s\t\t[INSTALLED - NOT SETUP]\n" "${1}"
+    else
+      printf "%-10s\t\t[OK]\n" "${1}"
+    fi
   fi
 }