build: add "symlink-install" target

This is useful for users relying on system Ruby and lack
permissions to install gems.

1 files changed, 7 insertions, 0 deletions

diff --git a/dtas.sh b/dtas.sh
new file mode 100755
index 0000000..d3ea5e1
--- /dev/null
+++ b/dtas.sh
@@ -0,0 +1,7 @@
+#!/bin/sh -e
+# symlink this file to a directory in PATH to run dtas (or anything in bin/*)
+# without needing perms to install globally.  Used by "make symlink-install"
+p=$(realpath "$0" || readlink "$0") # neither is POSIX, but common
+p=$(dirname "$p") c=$(basename "$0") # both are POSIX
+exec ${RUBY-ruby} -I"$p"/lib "$p"/bin/"${c%.sh}" "$@"
+: this script is too short to copyright