Ports: Require less commands in .port_include.sh

- fallback to http with curl when https fails
- add --no-gpg-verification, which will skip gpg signature verification

Ports/.port_include.sh

@@ -68,6 +68,13 @@ fetch() {
         IFS=$OLDIFS
         read url filename auth_sum<<< $(echo "$f")
         echo "URL: ${url}"
+
+        # FIXME: Serenity's curl port does not support https, even with openssl installed.
+        if ! curl https://example.com -so /dev/null; then
+            url=$(echo "$url" | sed "s/^https:\/\//http:\/\//")
+        fi
+
+
         # download files
         if [ -f "$filename" ]; then
             echo "$filename already exists"
@@ -99,8 +106,12 @@ fetch() {
         # extract
         if [ ! -f "$workdir"/.${filename}_extracted ]; then
             case "$filename" in
+                *.tar.gz|*.tgz)
+                    run_nocd tar -xzf "$filename"
+                    run touch .${filename}_extracted
+                    ;;
                 *.tar.gz|*.tar.bz|*.tar.bz2|*.tar.xz|*.tar.lz|.tbz*|*.txz|*.tgz)
-                    run_nocd tar xf "$filename"
+                    run_nocd tar -xf "$filename"
                     run touch .${filename}_extracted
                     ;;
                 *.gz)
@@ -123,6 +134,9 @@ fetch() {
 
     # check signature
     if [ "$auth_type" == "sig" ]; then
+        if $NO_GPG; then
+            echo "WARNING: gpg signature check was disabled by --no-gpg-verification"
+        else
             if $(gpg --verify $auth_opts); then
                 echo "- Signature check OK."
             else
@@ -135,6 +149,7 @@ fetch() {
                 exit 1
             fi
         fi
+    fi
 
     post_fetch
 }
@@ -302,6 +317,8 @@ do_all() {
     do_install "${1:-}"
 }
 
+NO_GPG=false
+parse_arguments() {
     if [ -z "${1:-}" ]; then
         do_all
     else
@@ -312,9 +329,17 @@ else
             --auto)
                 do_all $1
                 ;;
+            --no-gpg-verification)
+                NO_GPG=true
+                shift
+                parse_arguments $@
+                ;;
             *)
                 >&2 echo "I don't understand $1! Supported arguments: fetch, patch, configure, build, install, installdepends, clean, clean_dist, clean_all, uninstall."
                 exit 1
                 ;;
         esac
     fi
+}
+
+parse_arguments $@