SecBSD's official ports repository

devel/ruby-shims/files/rubyshim.sh

@@ -0,0 +1,60 @@
+#!/bin/sh -
+#
+# Copyright (c) 2019 joshua stein <jcs@jcs.org>
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#
+
+set +o sh
+set -o noglob
+
+me=`basename $0`
+ver=""
+
+parsefile() {
+	ver=`sed -e 's/^\([0-9]\)\./\1/' -e 's/\..*//' < ${1}`
+}
+
+# check current-directory, then walk back to /
+dir=$PWD
+while true; do
+	if [ -s "${dir}/.ruby-version" ]; then
+		parsefile "${dir}/.ruby-version"
+		break
+	elif [ ! -n "$dir" ]; then
+		break
+	else
+	    dir="${dir%/*}"
+	fi
+done
+
+if [[ $ver == "" ]]; then
+	# check system-wide /etc/ruby-version
+	if [ -s /etc/ruby-version ]; then
+		parsefile /etc/ruby-version
+	fi
+fi
+
+if [[ $ver == "" ]]; then
+	# otherwise find the newest installed ruby
+	set +o noglob
+	ver=`echo /usr/local/bin/ruby?? | sort -n | tail -1 | sed 's/.*ruby//'`
+	set -o noglob
+fi
+
+if [[ $ver == "" ]]; then
+	echo "can't find a ruby version to use" >/dev/stderr
+	exit 1
+fi
+
+exec ${me}${ver} "$@"