setup.sh: Don't use sed -i.

This was necessary as there are different implementations.

diff --git a/setup.sh b/setup.sh
index 9e161bde0d519ac5cf614a52de902444cb67d144..3c3e73c885ab8e19964da793eb9b9972f99591a7 100755 (executable)
--- a/setup.sh
+++ b/setup.sh
@@ -13,8 +13,10 @@ if installed X; then
     # Use settings for XTerm also for UXTerm. This prevents code duplication.
     generate awk Xdefaults \
         '{ print ; if ( /^XTerm/ ) { print "U" $0 } }'
-    # Xdefaults uses ! as comment instead of #.
-    sed -i 's/^#/!/' Xdefaults
+    # Xdefaults uses ! as comment instead of #. tmp file necessary because of
+    # different implementations of `sed -i`.
+    sed 's/^#/!/' Xdefaults > Xdefaults.tmp
+    mv Xdefaults.tmp Xdefaults
 
     link xinitrc ~/.xinitrc
     link xmodmaprc ~/.xmodmaprc