Remove system for pinning problem-specifications (#2084)

We now have CI workflows that raise issues when configlet finds
something that needs updating. This is in conflict with the pinned
problem-specifications approach.

Author: senekor

bin/checkout_pinned_problem_specifications_commit.sh

@@ -1,11 +1,18 @@
 #!/usr/bin/env bash
 set -eo pipefail
 
+# This script creates a symlink to the problem-specifications cache used
+# by configlet. When working on an exercise, it is handy to have the
+# problem-specifions files in reach. Symlinking to configlet's cache ensures
+# you're always looking at the up-to-date files.
+
 cd "$(git rev-parse --show-toplevel)"
 
 [ -e "problem-specifications" ] || ln -s "$(./bin/get_problem_specifications_dir.sh)" "problem-specifications"
 
-./bin/checkout_pinned_problem_specifications_commit.sh
+# ensure populated cache
+[ -f ./bin/configlet ] || ./bin/fetch-configlet
+./bin/configlet info &> /dev/null
 
 for exercise in exercises/practice/*; do
     name="$(basename "$exercise")"

bin/configlet_wrapper.sh

@@ -1,13 +1,10 @@
 _default:
     just --list --unsorted
 
-# configlet wrapper, uses pinned problem-specifications commit
+# configlet (downloads if necessary)
 @configlet *args="":
-    ./bin/configlet_wrapper.sh {{ args }}
-
-# update the pinned commit hash
-update-problem-specs:
-    ./bin/update_problem_specifications.sh
+    [ -f ./bin/configlet ] || ./bin/fetch-configlet
+    ./bin/configlet {{ args }}
 
 # generate a new uuid straight to your clipboard
 uuid: