chore: Accumulated backports to v4-next (#23386)

BEGIN_COMMIT_OVERRIDE
fix(aztec-up): fall back to no timeout when /usr/bin/timeout absent
(macOS) (#23310)
fix(aztec): use perl -i for portable in-place edit in add_crate.sh
(#23335)
END_COMMIT_OVERRIDE

Author: nchamo

aztec-up/bin/0.0.1/install

@@ -55,9 +55,21 @@ function echo_yellow {
 }
 
 function timeout {
-  if [ "${CI:-0}" = "1" ] || [ "${CI:-0}" = "true" ]; then
+  if [ "${CI:-0}" != "1" ] && [ "${CI:-0}" != "true" ]; then
+    shift
+    "$@"
+    return
+  fi
+  if [ -x /usr/bin/timeout ]; then
+    # Prefer coreutils `timeout` when available. Absolute path avoids re-entering this function.
     /usr/bin/timeout "$@"
+  elif perl -e1 2>/dev/null; then
+    # Fall back to perl's `alarm` when /usr/bin/timeout is missing.
+    local duration=$1
+    shift
+    perl -e "alarm $duration; exec @ARGV" -- "$@"
   else
+    # No timeout backend available -- run unguarded rather than fail the install.
     shift
     "$@"
   fi

yarn-project/aztec/scripts/add_crate.sh

@@ -37,16 +37,17 @@ TEMPLATE_DIR="$(dirname $0)/templates/$template"
 # Copy template crates and substitute placeholders
 cp -r "$TEMPLATE_DIR/contract" "$contract_dir"
 cp -r "$TEMPLATE_DIR/test" "$test_dir"
+# Use perl -i for portability across os.
 find "$contract_dir" "$test_dir" -type f -exec \
-  sed -i -e "s/__CRATE_NAME__/${crate_name}/g" -e "s/__AZTEC_VERSION__/${AZTEC_VERSION}/g" {} +
+  perl -i -pe "s/__CRATE_NAME__/${crate_name}/g; s/__AZTEC_VERSION__/${AZTEC_VERSION}/g" {} +
 
 # Add members to workspace Nargo.toml
 if grep -q 'members\s*=\s*\[\s*\]' Nargo.toml; then
   # Empty array: members = []
-  sed -i "s|members\s*=\s*\[\s*\]|members = [\"${contract_dir}\", \"${test_dir}\"]|" Nargo.toml
+  perl -i -pe "s|members\s*=\s*\[\s*\]|members = [\"${contract_dir}\", \"${test_dir}\"]|" Nargo.toml
 else
   # Non-empty array: add before closing ]
-  sed -i "s|\(members\s*=\s*\[.*\)\]|\1, \"${contract_dir}\", \"${test_dir}\"]|" Nargo.toml
+  perl -i -pe "s|(members\s*=\s*\[.*)\]|\1, \"${contract_dir}\", \"${test_dir}\"]|" Nargo.toml
 fi
 
 echo "Created crates '${contract_dir}' and '${test_dir}'"