Update bin wrappers to use puppet and fallback to carton

bin/prove

@@ -1,3 +1,3 @@
 #!/bin/sh
 
-`dirname "$0"`/carton exec -- prove -lv "$@"
+`dirname "$0"`/run prove -lv "$@"

bin/run

@@ -1,22 +1,10 @@
 #!/bin/sh
 
-# NOTE: This script is used by puppet/cron jobs.
+# Use the puppet-installed wrapper to set up the env properly.
+wrapper=$HOME/bin/metacpan-api-carton
+test -x $wrapper && \
+exec $wrapper exec -- "$@"
 
-# This wrapper script sets up the environment to run other local (repo) scripts.
-# We need to use ./bin/carton to get the custom PERL_CARTON_PATH env var
-# (where modules are installed).
-# We also either need to chdir so that cpanfile is in $PWD
-# or we need to determine the full path and set an env var.
-# Changing to this dir is convenient for making shorter command lines,
-# so we'll do that.
-
-# Change to the parent dir of this script
-# whether called with full, relative, or no path.
+# If the wrapper doesn't exist, just try it with plain carton.
 cd "`dirname "$0"`"/..
-
-# Load perl env if necessary.
-rc=/home/metacpan/.metacpanrc
-test -r "$rc" && source "$rc"
-
-# Run through carton exec (which expects ./cpanfile) to get the custom lib path.
-exec bin/carton exec "$@"
+exec carton exec -- "$@"