report progress when formatting cpp files

extras/formatting.sh

@@ -102,6 +102,20 @@ cmake_formatting() {
   fi
 }
 
+track_progress() {
+  [ -t 1 ] || return
+
+  local total=$1
+  local current=0
+
+  while IFS= read -r _; do
+    ((current++)) || :
+    percent=$((current * 100 / total))
+    printf '\rProgress: [%-50s] %d%%' "$(printf '#%.0s' $(seq 1 $((percent / 2))))" "$percent"
+  done
+  echo
+}
+
 cpp_formatting() {
   echo "Formatting cpp files..."
 
@@ -112,11 +126,11 @@ cpp_formatting() {
     tmpdir=$(mktemp -d)
     trap 'rm -rf "$tmpdir"' EXIT
 
-    printf '%s\n' "${files[@]}" | xargs -P "$(nproc)" -I{} bash -c "
+    printf '%s\n' "${files[@]}" | xargs --verbose -P "$(nproc)" -I{} bash -c "
       mkdir -p \"\$(dirname \"$tmpdir/{}\")\"
-      diff -u --color=always --label \"{}\" --label \"{}\" \"{}\" <(clang-format \"{}\") > \"$tmpdir/{}\" 
+      diff -u --color=always --label \"{}\" --label \"{}\" \"{}\" <(clang-format \"{}\") > \"$tmpdir/{}\"
       :
-    "
+    " |& track_progress ${#files[@]}
 
     for file in "${files[@]}"; do
       if [ -s "$tmpdir/$file" ]; then
@@ -125,7 +139,8 @@ cpp_formatting() {
       fi
     done
   else
-    printf '%s\n' "${files[@]}" | xargs -n1 -P "$(nproc)" clang-format -i
+    printf '%s\n' "${files[@]}" | xargs -n1 -P "$(nproc)" clang-format -i |&
+      track_progress ${#files[@]}
   fi
 }
 
@@ -167,8 +182,8 @@ sh_formatting() {
 }
 
 cmake_formatting
-cpp_formatting
 yaml_json_formatting
 sh_formatting
+cpp_formatting
 
 exit $exit_code