moved more stuff around

utils/assemble.sh

@@ -1,14 +1,54 @@
 #!/bin/zsh
 
-destination_file="Installomator_assembled.sh"
-fragments_dir="fragments"
+
+#setup some folders
+script_dir=$(dirname ${0:A})
+repo_dir=$(dirname $script_dir)
+build_dir="$repo_dir/build"
+destination_file="$build_dir/Installomator.sh"
+fragments_dir="$repo_dir/fragments"
 labels_dir="$fragments_dir/labels"
 
-# read the header
+fragment_files=( header.txt version.txt functions.txt arguments.txt main.txt )
+
+# check if fragment files exist (and are readable)
+for fragment in $fragment_files; do
+    if [[ ! -e $fragments_dir/$fragment ]]; then
+        echo "$fragments_dir/$fragment not found!"
+        exit 1
+    fi
+done
+
+if [[ ! -d $labels_dir ]]; then
+    echo "$labels_dir not found!"
+    exit 1
+fi
+
+# create $build_dir when necessary
+mkdir -p $build_dir
+
+# add the header
 cat "$fragments_dir/header.txt" > $destination_file
 
+# read the version.txt
+version=$(cat "$fragments_dir/version.txt")
+versiondate=$(date +%F)
+echo "VERSION=\"$version\"" >> $destination_file
+echo "VERSIONDATE=\"$versiondate\"" >> $destination_file
+echo >> $destination_file
+
+# add the functions.txt
+cat "$fragments_dir/functions.txt" >> $destination_file
+
+# add the arguments.txt
+cat "$fragments_dir/arguments.txt" >> $destination_file
+
 # all the labels
 cat "$labels_dir"/*.txt >> $destination_file
 
 # add the footer
-cat "$fragments_dir/footer.txt" >> $destination_file
+cat "$fragments_dir/main.txt" >> $destination_file
+
+# set the executable bit
+chmod +x $destination_file
+