Rework how translation is done

Instead of variables on the code itself, each language gets its own
file.

1 files changed, 33 insertions, 0 deletions

diff --git a/src/load-locale-messages.sh.in b/src/load-locale-messages.sh.in
new file mode 100644
index 0000000..4840e0f
--- /dev/null
+++ b/src/load-locale-messages.sh.in
@@ -0,0 +1,33 @@
+#!/bin/sh
+set -eu
+
+get_lang() {
+	# LC_MESSAGES="ll_CC.CODESET@modifier" -> ll_CC, where quotes are
+	# optional
+	locale 2>/dev/null |
+		grep ^LC_MESSAGES |
+		cut -d.  -f1     |
+		cut -d\" -f2     |
+		cut -d=  -f2
+}
+
+locpath() {
+	lang="$1"
+	printf '@LOCALEDIR@/%s/LC_MESSAGES/@NAME@.sh' "$lang"
+}
+
+ll_CC="$(get_lang)"
+ll="$(echo "$ll_CC" | cut -d_ -f1)"
+
+if [ -r "$(locpath "$ll")" ]; then
+	. "$(locpath "$ll")"
+fi
+
+if [ -r "$(locpath "$ll_CC")" ]; then
+	. "$(locpath "$ll_CC")"
+fi
+
+# locale hierarchy:
+# 1. the language+country specific message
+# 2. the language specific message
+# 3. the default fallback value