+download_po_files() {
+ subdir=$1
+ domain=$2
+ echo "$0: getting translations into $subdir for $domain..."
+ cmd=`printf "$po_download_command_format" "$domain" "$subdir"`
+ eval "$cmd"
+}
+
+# Download .po files to $po_dir/.reference and copy only the new
+# or modified ones into $po_dir. Also update $po_dir/LINGUAS.
+update_po_files() {
+ # Directory containing primary .po files.
+ # Overwrite them only when we're sure a .po file is new.
+ po_dir=$1
+ domain=$2
+
+ # Download *.po files into this dir.
+ # Usually contains *.s1 checksum files.
+ ref_po_dir="$po_dir/.reference"
+
+ test -d $ref_po_dir || mkdir $ref_po_dir || return
+ download_po_files $ref_po_dir $domain \
+ && ls "$ref_po_dir"/*.po 2>/dev/null |
+ sed 's|.*/||; s|\.po$||' > "$po_dir/LINGUAS"
+
+ langs=`cd $ref_po_dir && echo *.po|sed 's/\.po//g'`
+ test "$langs" = '*' && langs=x
+ for po in $langs; do
+ case $po in x) continue;; esac
+ new_po="$ref_po_dir/$po.po"
+ cksum_file="$ref_po_dir/$po.s1"
+ if ! test -f "$cksum_file" ||
+ ! test -f "$po_dir/$po.po" ||
+ ! sha1sum -c --status "$cksum_file" < "$new_po" > /dev/null; then
+ echo "updated $po_dir/$po.po..."
+ cp "$new_po" "$po_dir/$po.po" && sha1sum < "$new_po" > "$cksum_file"
+ fi
+ done
+}
+
+case $SKIP_PO in
+'')
+ if test -d po; then
+ update_po_files po $package || exit
+ fi
+
+ if test -d runtime-po; then
+ update_po_files runtime-po $package-runtime || exit
+ fi;;
+esac
+
+symlink_to_dir()
+{
+ src=$1/$2
+ dst=${3-$2}
+
+ test -f "$src" && {
+
+ # If the destination directory doesn't exist, create it.
+ # This is required at least for "lib/uniwidth/cjk.h".
+ dst_dir=`dirname "$dst"`
+ if ! test -d "$dst_dir"; then
+ mkdir -p "$dst_dir"
+
+ # If we've just created a directory like lib/uniwidth,
+ # tell version control system(s) it's ignorable.
+ # FIXME: for now, this does only one level
+ parent=`dirname "$dst_dir"`
+ for dot_ig in x $vc_ignore; do
+ test $dot_ig = x && continue
+ ig=$parent/$dot_ig
+ insert_sorted_if_absent $ig `echo "$dst_dir"|sed 's,.*/,,'`
+ done
+ fi
+
+ if $copy; then
+ {
+ test ! -h "$dst" || {
+ echo "$0: rm -f $dst" &&
+ rm -f "$dst"
+ }
+ } &&
+ test -f "$dst" &&
+ cmp -s "$src" "$dst" || {
+ echo "$0: cp -fp $src $dst" &&
+ cp -fp "$src" "$dst"
+ }
+ else
+ test -h "$dst" &&
+ src_ls=`ls -diL "$src" 2>/dev/null` && set $src_ls && src_i=$1 &&
+ dst_ls=`ls -diL "$dst" 2>/dev/null` && set $dst_ls && dst_i=$1 &&
+ test "$src_i" = "$dst_i" || {
+ dot_dots=
+ case $src in
+ /*) ;;
+ *)
+ case /$dst/ in
+ /./*) ;;
+ *//* | */../* | */./* | /*/*/*/*/*/)
+ echo >&2 "$0: invalid symlink calculation: $src -> $dst"