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Executable File

#!/bin/sh
## SPDX-FileCopyrightText: 2023 - 2024 Benjamin Grande M. S. <ben.grande.b@gmail.com>
##
## SPDX-License-Identifier: AGPL-3.0-or-later
set -eu
if command -v delta >/dev/null; then
exec delta "$@"
else
: "${DIFF_HIGHLIGHT_SOURCE:=/usr/share/doc/git/contrib/diff-highlight}"
: "${DIFF_HIGHLIGHT_EXEC:=/usr/share/git-core/contrib/diff-highlight}"
## Debian.
if command -v perl &&
test -f "${DIFF_HIGHLIGHT_SOURCE}/DiffHighlight.pm" &&
test -f "${DIFF_HIGHLIGHT_SOURCE}/diff-highlight.perl"
then
exec perl -I "${DIFF_HIGHLIGHT_SOURCE}" -MDiffHighlight -- \
"${DIFF_HIGHLIGHT_SOURCE}/diff-highlight.perl" | less -RS
## Fedora.
elif command -v perl && test -f "${DIFF_HIGHLIGHT_EXEC}"
then
exec "${DIFF_HIGHLIGHT_EXEC}" | less -RS
fi
exec less -RS "$@"
fi