tools/prepare-multi-lang.sh: use all CPUs when setting up typemaps

tools/prepare-multi-lang.sh

@@ -109,6 +109,7 @@ Content-type: text/html
 TXT
 }
 
+
 if [ ! -f _config.yml ]; then
  echo "Must be run from the same directory as _config.yml (the Jekyll source dir)."
  exit 1
@@ -136,7 +137,7 @@ source tools/weblate-supported-langs.sh
 
 cd $1
 
-# For deploying to GitLab or surge.sh, we still want it to work, which
+# For deploying to GitLab Pages, we still want it to work, which
 # requires leaving original English *.html files in the webroot rather
 # than just MultiView compatible *.html.LANG files.
 if [[ $# == 2 && $2 == "--no-type-maps" ]]; then
@@ -145,8 +146,9 @@ else
  MULTI_VIEWS=true
 fi
 
-find en/ -type f -print0 | while IFS= read -r -d '' FILE_PATH
-do
+i=0
+nproc=`nproc`
+find en/ -type f -print0 | while IFS= read -r -d '' FILE_PATH; do
  DIR=${FILE_PATH#*/} # Strip off the leading "en/" from the path
  DIR=`dirname ${DIR}`
  FILE=`basename ${FILE_PATH}`
@@ -163,16 +165,23 @@ do
  continue;
  fi
 
- echo "Processing ${DIR}/${FILE}"
-
- for LANG in $SUPPORTED_LANGS; do
- SRC_I18N_FILE=${LANG}/${DIR}/${FILE}
- DEST_I18N_FILE=${DIR}/${FILE}.${LANG}
- assert_file ${SRC_I18N_FILE}
- relative_symlink ${SRC_I18N_FILE} ${DEST_I18N_FILE}
- done
-
- write_typemap ${DIR}/${FILE} "$SUPPORTED_LANGS"
+ (
+ echo "Processing ${DIR}/${FILE}"
+
+ for LANG in $SUPPORTED_LANGS; do
+ SRC_I18N_FILE=${LANG}/${DIR}/${FILE}
+ DEST_I18N_FILE=${DIR}/${FILE}.${LANG}
+ assert_file ${SRC_I18N_FILE}
+ relative_symlink ${SRC_I18N_FILE} ${DEST_I18N_FILE}
+ done
+
+ write_typemap ${DIR}/${FILE} "$SUPPORTED_LANGS"
+ ) &
+ i=$((i+1))
+ if [ $i -gt $nproc ]; then
+ wait
+ i=0
+ fi
 done
 
 if [[ ${MULTI_VIEWS} = true ]]; then