Support type-based building

src/include/build.sh

@@ -19,18 +19,40 @@ build1() {
     #
     # Process one skeleton
     #
-    local srcpath dstpath
-    srcpath=$1
-    dstpath=$2
-    test -n "$dstpath" || dstpath=${srcpath%.skel}
-    case $dstpath in
-        *.md) <"$srcpath" expand_includes | expand_variables "vars" >"$dstpath" ;;
-        *)    <"$srcpath"                   expand_variables "vars" >"$dstpath" ;;
-    esac
+    local srcpath="$1"
+    local dstpath="$2"
+    local ftype="$3"
+    test -n "$dstpath"  || dstpath=${srcpath%.skel}
+    test -n "$ftype"    || ftype=$(guess_ftype "$dstpath")
+    <"$srcpath" build1_ftype "$ftype" >"$dstpath"
     mkdir -p "$MKIT_LOCAL"
     echo "$dstpath" >> "$MKIT_LOCAL/built.lst"
 }
 
+guess_ftype() {
+    #
+    # Guess file type from destination path $1
+    #
+    local dstpath="$1"
+    case $dstpath in
+        *.md) echo markdown    ;;
+        *)    echo MKIT_COMMON ;;
+    esac
+}
+
+build1_ftype() {
+    #
+    # Build a file of type $1
+    #
+    local ftype="$1"
+    case $ftype in
+        MKIT_COMMON)    expand_variables "vars" ;;
+        markdown)       expand_includes | expand_variables "vars" ;;
+        rpmstuff)       expand_variables "vars" "rpmstuff:vars" ;;
+        *)              die "unknown file type: $ftype" ;;
+    esac
+}
+
 build_manpages() {
     local manfile mdfile
     if command -v ronn >/dev/null;