Fix paper build tool to work with zsh.

paper

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 # resolve shell-specifics
-case "$SHELL" in
+case "$(echo "$SHELL" | sed 's|/usr||g')" in
     "/bin/zsh")
         RCPATH="$HOME/.zshrc"
         SOURCE="${BASH_SOURCE[0]:-${(%):-%N}}"
@@ -14,6 +14,7 @@ case "$SHELL" in
         SOURCE="${BASH_SOURCE[0]}"
     ;;
 esac
+
 # get base dir regardless of execution location
 while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
     DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
@@ -64,6 +65,13 @@ case "$1" in
         fi
     )
     ;;
+    "m" | "mcdev")
+    (
+        set -e
+        cd "$basedir"
+        scripts/makemcdevsrc.sh "$basedir"
+    )
+    ;;
     "r" | "root")
         cd "$basedir"
     ;;
@@ -138,6 +146,7 @@ case "$1" in
         echo "  * rb, rbp, rebuild | Rebuild patches, can be called from anywhere."
         echo "  * p, patch         | Apply all patches to the project without building it. Can be run from anywhere."
         echo "  * j, jar           | Apply all patches and build the project, paperclip.jar will be output. Can be run from anywhere."
+        echo "  * m, mcdev         | Setup decompiled sources for non-modified NMS files to be imported into an IDE. Can be run from anywhere."
         echo ""
         echo " These commands require the setup command before use:"
         echo "  * r, root          | Change directory to the root of the project."