bin: little elevation fix

.local/bin/scripts/dif

@@ -1,5 +1,4 @@
 #!/bin/sh
 # interactive diff with pagination and nice coloring
-set -o pipefail
 diff-color --report-identical-files "$@" |
   less --RAW-CONTROL-CHARS --quit-on-intr --quit-if-one-screen

.local/bin/scripts/m

@@ -3,7 +3,7 @@
 # and moves the preceding arguments into it.
 # Automatically elevates if missing permissions.
 for last; do true; done
-! test -e "$1" && echo "$1 does not exist" && exit 1
 checkaccess -w "$@" || elevate=sudo
+! $elevate test -e "$1" && echo "$1 does not exist" && exit 1
 $elevate mkdir -p $(case "$last" in (*/) echo "$last";; (*) dirname "$last";; esac)
 $elevate mv --interactive "$@"