Add -a argument for multiple actions

trigger_copr

     return 0
 }
 
+do_action() {
+    local url
+    case $Action in
+        build)
+            copr build "$CoprProject" "$Tmp/slop.spec"
+            ;;
+        demo)
+            warn "demo mode active, we would build:"
+            warn "    at $CoprProject"
+            test -n "$Branch" && warn "    using branch $Branch"
+            test -n "$Branch" || warn "    using last tag"
+            warn "    from $UrlBase"
+            warn "    yielding slop-$Version-$Release.*.rpm"
+            warn ""
+            warn "===== BEGIN slop.spec ====="
+            cat "$Tmp/slop.spec"
+            warn "===== END slop.spec ====="
+            return 1
+            ;;
+        mkspec)
+            cat "$Tmp/slop.spec"
+            ;;
+        rpmstuff)
+            url=$(
+                grep -o 'Source.*:.*http.*' "$Tmp/slop.spec" \
+                  | sed "
+                        s/.*http/http/
+                        s/ *$//
+                        s/%{version}/$Version/
+                    "
+            )
+            wget --quiet "$url"
+            cat "$Tmp/slop.spec" > slop.spec
+            ;;
+    esac
+}
+
 main() {
     local Version       # Version in SPEC file
     local Release       # Release in SPEC file
     local UrlBase       # GitHub URL base
     local Tmp           # our temp
     local Branch        # branch to use, if empty, tags are considered
-    local DryRun=false  # do not do anything
     local Mode=scratch  # implies COPR project and release prefix
+    local Action=build  # what to do
+    local es=0          # exit status
     which copr >/dev/null \
      || die "copr not found, try 'sudo install copr-cli'"
     Tmp=$(mktemp -d)
     while true; do case $1 in
+        -a) Action=$2;      shift 2 || usage ;;
         -b) Branch=$2;      shift 2 || usage ;;
         -c) CoprProject=$2; shift 2 || usage ;;
         -u) UrlBase=$2;     shift 2 || usage ;;
         -r) Release=$2;     shift 2 || usage ;;
         -v) Version=${2#v}; shift 2 || usage ;;
-        -n) DryRun=true;    shift ;;
+        -n) Action=demo;    shift ;;
         -*) usage ;;
         *)  break ;;
     esac done
     Mode=${1:-$Mode}
+    case $Action in
+        build|demo|mkspec|rpmstuff) : ;;
+        *) usage ;;
+    esac
     case $Mode in
         main|scratch) : ;;
         *)            usage ;;
     fi
     Release=$(choose_relpfx)$Release
     mkspec >"$Tmp/slop.spec"
-    $DryRun && {
-        warn "dry mode active, we would build:"
-        warn "    at $CoprProject"
-        test -n "$Branch" && warn "    using branch $Branch"
-        test -n "$Branch" || warn "    using last tag"
-        warn "    from $UrlBase"
-        warn "    yielding slop-$Version-$Release.*.rpm"
-        warn ""
-        warn "===== BEGIN slop.spec ====="
-        cat "$Tmp/slop.spec"
-        warn "===== END slop.spec ====="
-        exit 1
-    }
-    copr build "$CoprProject" "$Tmp/slop.spec"
+        do_action
     rm -rf "$Tmp"
+    return $es
 }
 
 main "$@"