build: refactor out locale generation into build_locale.sh

contrib/build-linux/sdist/make_sdist.sh

@@ -6,7 +6,7 @@ PROJECT_ROOT="$(dirname "$(readlink -e "$0")")/../../.."
 CONTRIB="$PROJECT_ROOT/contrib"
 CONTRIB_SDIST="$CONTRIB/build-linux/sdist"
 DISTDIR="$PROJECT_ROOT/dist"
-LOCALE="$PROJECT_ROOT/electrum/locale/"
+LOCALE="$PROJECT_ROOT/electrum/locale"
 
 . "$CONTRIB"/build_tools_util.sh
 
@@ -24,21 +24,12 @@ python3 -m pip install --upgrade pip
 git submodule update --init
 
 (
-    cd "$CONTRIB/deterministic-build/electrum-locale/"
-    if ! which msgfmt > /dev/null 2>&1; then
-        echo "Please install gettext"
-        exit 1
-    fi
     # We include both source (.po) and compiled (.mo) locale files in the source dist.
     # Maybe we should exclude the compiled locale files? see https://askubuntu.com/a/144139
     # (also see MANIFEST.in)
     rm -rf "$LOCALE"
-    for i in ./locale/*; do
-        dir="$PROJECT_ROOT/electrum/$i/LC_MESSAGES"
-        mkdir -p "$dir"
-        msgfmt --output-file="$dir/electrum.mo" "$i/electrum.po" || true
-        cp $i/electrum.po "$PROJECT_ROOT/electrum/$i/electrum.po"
-    done
+    cp -r "$CONTRIB/deterministic-build/electrum-locale/locale/" "$LOCALE/"
+    "$CONTRIB/build_locale.sh" "$LOCALE"
 )
 
 (

contrib/build_locale.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+if [ ! -d "$1" ]; then
+    echo "usage: $0 path/to/locale"
+    exit 1
+fi
+
+if ! which msgfmt > /dev/null 2>&1; then
+    echo "Please install gettext"
+    exit 1
+fi
+
+for i in "$1/"*; do
+  mkdir -p "$i/LC_MESSAGES"
+  (msgfmt --output-file="$i/LC_MESSAGES/electrum.mo" "$i/electrum.po" || true)
+done