Peg zeronet forum to a commit

src/freedombone

@@ -1975,6 +1975,24 @@ function install_zeronet_forum {
       return
   fi
+  # update to the next commit
+  if [ -d /opt/zeronet/ZeroTalk ]; then
+      if grep -q "ZeroNet Forum commit" $COMPLETION_FILE; then
+          CURRENT_ZERONET_FORUM_COMMIT=$(grep "ZeroNet Forum commit" $COMPLETION_FILE | awk -F ':' '{print $2}')
+          if [[ "$CURRENT_ZERONET_FORUM_COMMIT" != "$ZERONET_FORUM_COMMIT" ]]; then
+              cd /opt/zeronet/ZeroTalk
+              git stash
+              git checkout master
+              git pull
+              git checkout $ZERONET_FORUM_COMMIT
+              git checkout -b $ZERONET_FORUM_COMMIT
+              sed -i "s/ZeroNet Forum commit.*/ZeroNet Forum commit:$ZERONET_FORUM_COMMIT/g" $COMPLETION_FILE
+          fi
+      else
+          echo "ZeroNet Forum commit:$ZERONET_FORUM_COMMIT" >> $COMPLETION_FILE
+      fi
+  fi
+
   if grep -Fxq "install_zeronet_forum" $COMPLETION_FILE; then
       return
   fi
@@ -2029,6 +2047,14 @@ function install_zeronet_forum {
       echo $'ZeroTalk repo could not be cloned'
       exit 6739
   fi
+  git checkout $ZERONET_FORUM_COMMIT
+  git checkout -b $ZERONET_FORUM_COMMIT
+  if ! grep -q "ZeroNet Forum commit" $COMPLETION_FILE; then
+      echo "ZeroNet Forum commit:$ZERONET_FORUM_COMMIT" >> $COMPLETION_FILE
+  else
+      sed -i "s/ZeroNet Forum commit.*/ZeroNet Forum commit:$ZERONET_FORUM_COMMIT/g" $COMPLETION_FILE
+  fi
+
   echo $"Forum address:     $ZERONET_FORUM_ADDRESS"
   echo $"Forum private key: $ZERONET_FORUM_PRIVATE_KEY"
   cp -r /opt/zeronet/ZeroTalk/* /opt/zeronet/data/$ZERONET_FORUM_ADDRESS