chore(just): add library and Rust version checks

scripts/common.just

@@ -0,0 +1,39 @@
+# Installation command
+[no-cd, private]
+install-cmd options src dest:
+    install {{options}} {{src}} {{dest}}
+
+[no-cd, private]
+install-bin src dest: (install-cmd '-Dm0755' src dest)
+
+[no-cd, private]
+install-file src dest: (install-cmd '-Dm0644' src dest)
+
+# Check if required dependencies are installed on the system
+dep-check:
+    #!/bin/sh
+    echo "{{lib-depends}}" | while read -r lib; do
+        if [ -n "${lib}" ]; then
+            just dep-lib "${lib}" || exit 1
+        fi
+    done
+    echo "{{cmd-depends}}" | while read -r cmd; do
+        if [ -n "${cmd}" ]; then
+            just dep-cmd "${cmd}" || exit 1
+        fi
+    done
+
+# Errors if a command does not exist
+[private]
+dep-cmd cmd:
+    @which {{cmd}} >/dev/null || (just print-error 'missing dependency' 'command' {{cmd}}; exit 1)
+
+# Errors if a library does not exist
+[private]
+dep-lib lib:
+    @pkg-config --exists {{lib}} || (just print-error 'missing dependency' 'library' {{lib}}; exit 1)
+
+# Display a formatted error for the user.
+[private]
+print-error msg key value:
+    @echo '\e[0;31mERROR  {{msg}}, \e[1;31m{{key}}: \e[0;31m{{value}}\e[0m'