revert: Makefile buff-ification (#3700) (#3848)

This caused the following issues:
- Slim binaries weren't being updated.
- The coder.tar.ztd was misplaced.
- There is no coder.sha1 file with proper filenames.

This should be reintroduced in a future change with those fixes.

scripts/check_unstaged.sh

@@ -1,28 +1,30 @@
 #!/bin/bash
 
 set -euo pipefail
-# shellcheck source=scripts/lib.sh
-source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"
-cdroot
 
-FILES="$(git ls-files --other --modified --exclude-standard)"
-if [[ "$FILES" != "" ]]; then
-	mapfile -t files <<<"$FILES"
+SCRIPT_DIR=$(dirname "${BASH_SOURCE[0]}")
+PROJECT_ROOT=$(cd "$SCRIPT_DIR" && git rev-parse --show-toplevel)
 
-	log
-	log "The following files contain unstaged changes:"
-	log
-	for file in "${files[@]}"; do
-		log "  - $file"
-	done
+(
+	cd "${PROJECT_ROOT}"
 
-	log
-	log "These are the changes:"
-	log
-	for file in "${files[@]}"; do
-		git --no-pager diff "$file" 1>&2
-	done
+	FILES="$(git ls-files --other --modified --exclude-standard)"
+	if [[ "$FILES" != "" ]]; then
+		mapfile -t files <<<"$FILES"
 
-	log
-	error "Unstaged changes, see above for details."
-fi
+		echo "The following files contain unstaged changes:"
+		echo
+		for file in "${files[@]}"; do
+			echo "  - $file"
+		done
+		echo
+
+		echo "These are the changes:"
+		echo
+		for file in "${files[@]}"; do
+			git --no-pager diff "$file"
+		done
+		exit 1
+	fi
+)
+exit 0