[/tmp/hdiff-2]$ cat /usr/bin/chdiff
#!/bin/sh

colordiff "$@" | hdiff
[/tmp/hdiff-2]$ cat /usr/bin/git-hdiff
#!/bin/sh

exec git diff --color "$@" | exec hdiff
[/tmp/hdiff-2]$ cat /usr/bin/git-hshow
#!/bin/sh

exec git show --color "$@" | exec hdiff
[/tmp/hdiff-2]$ cat /usr/bin/hdiff
#!/bin/sh

: "${DIFF_HIGHLIGHT:=/usr/share/doc/git/contrib/diff-highlight}"

exec perl -I "$DIFF_HIGHLIGHT" -MDiffHighlight -- "$DIFF_HIGHLIGHT/diff-highlight.perl" | exec less -R
[/tmp/hdiff-2]$