exercism · keiravillekode · Aug 9, 2025
diff --git a/bin/create-exercise b/bin/create-exercise
@@ -35,5 +35,5 @@ bin/configlet create --practice-exercise "${slug}" --author "${author}" --diffic
 filter='.exercises.practice = (.exercises.practice | sort_by(.difficulty, .slug))'
 jq "${filter}" config.json > config.sorted && mv config.sorted config.json
 
-cp exercises/practice/hello-world/Makefile exercises/practice/${slug}/Makefile
-cp -r exercises/practice/hello-world/vendor exercises/practice/${slug}/vendor
+cp templates/Makefile "exercises/practice/${slug}/Makefile"
+cp -r templates/vendor "exercises/practice/${slug}/vendor"
diff --git a/bin/update-from-templates b/bin/update-from-templates
@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+
+# This script updates all exercises with the contents from the `templates` directory.
+# If everything is up-to-date (i.e., the script did not make any changes), it returns with
+# an exit code of 0. Otherwise, a non-zero exit code is returned.
+
+set -eo pipefail
+
+die() { echo "$*" >&2; exit 3; }
+
+hash_dir() {
+    (cd "$1" && find . ! -name "*.o" -type f | sort --unique | xargs cat) | md5sum
+}
+
+if [[ $PWD != $(realpath "$(dirname "$0")/..") ]]; then
+    die "You must be in the track root directory."
+fi
+
+vendor_hash=$(hash_dir templates/vendor)
+
+num_updated=0
+for exercise_dir in exercises/practice/*; do
+    makefile=${exercise_dir}/Makefile
+    if ! cmp -s templates/Makefile "${makefile}"; then
+        echo "Updating ${makefile}"
+        cp templates/Makefile "${makefile}"
+        num_updated=$((num_updated + 1))
+    fi
+
+    current_vendor_hash=$(hash_dir "${exercise_dir}/vendor")
+    if [[ "${current_vendor_hash}" != "${vendor_hash}" ]]; then
+        echo "Updating ${exercise_dir}/vendor"
+        rm -rf "${exercise_dir}/vendor"
+        cp -r templates/vendor "${exercise_dir}"
+        num_updated=$((num_updated + 1))
+    fi
+done
+
+[[ ${num_updated} -eq 0 ]] || exit 1
+
+echo "Everything up-to-date."
diff --git a/exercises/practice/acronym/Makefile b/exercises/practice/acronym/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/affine-cipher/Makefile b/exercises/practice/affine-cipher/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/all-your-base/Makefile b/exercises/practice/all-your-base/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/allergies/Makefile b/exercises/practice/allergies/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/armstrong-numbers/Makefile b/exercises/practice/armstrong-numbers/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/atbash-cipher/Makefile b/exercises/practice/atbash-cipher/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/binary-search/Makefile b/exercises/practice/binary-search/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/bob/Makefile b/exercises/practice/bob/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/book-store/Makefile b/exercises/practice/book-store/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/bottle-song/Makefile b/exercises/practice/bottle-song/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/collatz-conjecture/Makefile b/exercises/practice/collatz-conjecture/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/difference-of-squares/Makefile b/exercises/practice/difference-of-squares/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/dominoes/Makefile b/exercises/practice/dominoes/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/eliuds-eggs/Makefile b/exercises/practice/eliuds-eggs/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/flower-field/Makefile b/exercises/practice/flower-field/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/food-chain/Makefile b/exercises/practice/food-chain/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/game-of-life/Makefile b/exercises/practice/game-of-life/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/grains/Makefile b/exercises/practice/grains/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/hamming/Makefile b/exercises/practice/hamming/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/hello-world/Makefile b/exercises/practice/hello-world/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/house/Makefile b/exercises/practice/house/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/intergalactic-transmission/Makefile b/exercises/practice/intergalactic-transmission/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/isbn-verifier/Makefile b/exercises/practice/isbn-verifier/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/isogram/Makefile b/exercises/practice/isogram/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/kindergarten-garden/Makefile b/exercises/practice/kindergarten-garden/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/knapsack/Makefile b/exercises/practice/knapsack/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/leap/Makefile b/exercises/practice/leap/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/linked-list/Makefile b/exercises/practice/linked-list/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/list-ops/Makefile b/exercises/practice/list-ops/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/luhn/Makefile b/exercises/practice/luhn/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/matching-brackets/Makefile b/exercises/practice/matching-brackets/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/meetup/Makefile b/exercises/practice/meetup/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/minesweeper/Makefile b/exercises/practice/minesweeper/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/nucleotide-count/Makefile b/exercises/practice/nucleotide-count/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/pangram/Makefile b/exercises/practice/pangram/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/pascals-triangle/Makefile b/exercises/practice/pascals-triangle/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/perfect-numbers/Makefile b/exercises/practice/perfect-numbers/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/phone-number/Makefile b/exercises/practice/phone-number/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/pig-latin/Makefile b/exercises/practice/pig-latin/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/prime-factors/Makefile b/exercises/practice/prime-factors/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/protein-translation/Makefile b/exercises/practice/protein-translation/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/proverb/Makefile b/exercises/practice/proverb/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror
 

diff --git a/exercises/practice/queen-attack/Makefile b/exercises/practice/queen-attack/Makefile
@@ -1,6 +1,6 @@
 AS = nasm
 
-CFLAGS = -g -Wall -Wextra -pedantic -Werror
+CFLAGS = -g -Wall -Wextra -pedantic -Werror -std=c2x -Wno-gnu-binary-literal
 LDFLAGS =
 ASFLAGS = -g -F dwarf -Werror