A Bash script to nable LuaJITLaTeX in Linux

enable_luajitlatex.sh

#!/bin/bash
# Linux: 原則rootで実行してください
# Windows: Git Bashなどで実行してください
sed -i -e '/luajitlatex/s/^ *#! *//' `kpsewhich fmtutil.cnf` || exit $?
fmtutil-sys --byfmt luajitlatex || exit $?

case `uname | tr [:upper:] [:lower:]` in
    *msys*)
	break;;
    *cygwin*)
	break;;
    *mingw*)
	break;;
    *)
    DIR=$( dirname $( which luajittex ) )
    cat > ${DIR}/luajitlatex <<'EOF'
#!/bin/sh
exec luajittex --fmt=luajitlatex.fmt $*
EOF
    chmod $( stat -c %a $( which luajittex ) ) ${DIR}/luajitlatex
    chown $( stat -c %U $( which luajittex ) ) ${DIR}/luajitlatex
    chgrp $( stat -c %G $( which luajittex ) ) ${DIR}/luajitlatex
    ;;
esac