git-ascr-filter

from http://stackoverflow.com/a/14425009

.gitattributes

@@ -0,0 +1,2 @@
+*.scpt filter=ascr
+

scripts/git-ascr-filter

@@ -0,0 +1,30 @@
+#!/bin/sh
+if [ $# -ne 2 ]; then
+    echo "Usage: $0 --clean/--smudge FILE">&2
+    exit 1
+else
+    if [ "$1" = "--clean" ]; then
+        osadecompile "$2" | sed 's/[[:space:]]*$//'
+    elif [ "$1" = "--smudge" ]; then
+        TMPFILE=`mktemp -t tempXXXXXX`
+        if [ $? -ne 0 ]; then
+            echo "Error: \`mktemp' failed to create a temporary file.">&2
+            exit 3
+        fi
+        if ! mv "$TMPFILE" "$TMPFILE.scpt" ; then
+            echo "Error: Failed to create a temporary SCPT file.">&2
+            rm "$TMPFILE"
+            exit 4
+        fi
+        TMPFILE="$TMPFILE.scpt"
+        # Compile the AppleScript source on stdin.
+        if ! osacompile -l AppleScript -o "$TMPFILE" ; then
+            rm "$TMPFILE"
+            exit 5
+        fi
+        cat "$TMPFILE" && rm "$TMPFILE"
+    else
+        echo "Error: Unknown mode '$1'">&2
+        exit 2
+    fi
+fi