head was missing; catching errors

genwkdkey

@@ -4,7 +4,7 @@
 read -p 'Type in your chaospott mail address: ' MAILADDRESS
 
 # Get WKDHASH
-WKDHASH=$(gpg --with-wkd-hash --fingerprint "$MAILADDRESS" | egrep "[ ]{14}[0-9a-z]{32}@chaospott\.de" | sed 's/ //g;s/@chaospott\.de//')
+WKDHASH=$(gpg --with-wkd-hash --fingerprint "$MAILADDRESS" | egrep "[ ]{14}[0-9a-z]{32}@chaospott\.de" | head -n1 | sed 's/ //g;s/@chaospott\.de//')
 
 if [ -n "$WKDHASH" ]; then
   # Export key into WKDHASH
@@ -12,10 +12,21 @@ if [ -n "$WKDHASH" ]; then
   git add "$WKDHASH"
 
   # git commit and push
-  echo "OK. Now put your nickname in the commit message."
-  read -p 'Press enter.'
-  git commit
+  read -p 'Enter your nickname: ' NICKNAME
+  git commit -m "$NICKNAME"
+  COMMITEXIT=$?
   git push
+  if [ $? -ne 0 ]; then
+    if [ $COMMITEXIT -eq 0 ]; then
+      git reset HEAD~1
+    fi
+    
+    echo "git push failed. Try again."
+    exit 1
+  fi
+  
+  exit 0
 else
   echo "Mail address is not in your keyring."
+  exit 1
 fi