.bin/diff-highlight

   1 #!/bin/sh
   2
   3 set -e
   4
   5 SCRIPT="$(readlink -f "$0")"
   6 TARGET="${SCRIPT}.real"
   7
   8 main() {
   9         # Some (old?) versions of git provided the compiled script.
  10         d="/usr/share/doc/git/contrib/diff-highlight"
  11         if [ -x "${d}/diff-highlight" ] ; then
  12                 exec "${d}/diff-highlight"
  13         fi
  14
  15         # See if we need to bootstrap first.
  16         if [ ! -x "${TARGET}" ] && [ -e "${d}" ] ; then
  17                 (
  18                 echo "#!/usr/bin/env perl"
  19                 cat "${d}/DiffHighlight.pm" "${d}/diff-highlight.perl"
  20                 ) >"${TARGET}"
  21                 chmod a+rx "${TARGET}"
  22         fi
  23
  24         # If we've already bootstrapped, use it.
  25         if [ -x "${TARGET}" ] ; then
  26                 exec "${TARGET}" "$@"
  27         else
  28                 # Fallback so .gitconfig setings always work.
  29                 exec cat
  30         fi
  31 }
  32
  33 main "$@"