.gitignore

@@ -6,6 +6,7 @@ d_day.en.xml
 tools/.texts-??.xml
 .fundraising.??.xml
 .*.xmllist
+.*.outdated-translations
 tags/tagged-*.en.xhtml
 tags/.tags.??.xml
 events/????/index.??.xhtml

Makefile

@@ -172,3 +172,21 @@ default_xsl:
 all: xmllists
 xmllists: $(SUBDIRS)
 	tools/update_xmllists.sh
+
+
+# -----------------------------------------------------------------------------
+# Update sidecar files with outdated translations
+# -----------------------------------------------------------------------------
+
+# For each en.xhtml file write its outdated translations into a
+# sidecar file (e.g. "about/.about.en.xhtml.outdated-translations").
+
+SIDECAR_FILES := $(shell find . -name '*.en.xhtml' | grep -v ./tags | sort | sed 's,\(.*/\)\(.*\),\1.\2.outdated-translations,g')
+
+.PHONY: outdatedtranslations
+all: outdatedtranslations $(SIDECAR_FILES)
+outdatedtranslations:
+	echo "* Updating lists of outdated files"
+.%.en.xhtml.outdated-translations: %.??.xhtml
+	echo "*   Updating $@"
+	tools/find-outdated-translations "$<" > "$@"

build/makerules.sh

@@ -203,6 +203,7 @@ COPY_SRC_FILES := \$(shell find "\$(INPUTDIR)" -type f \
   -not -name '*.xhtml' \
   -not -name '*.xml' \
   -not -name '*.xsl' \
+  -not -name '*.outdated-translations' \
 )
 
 # The same as above, but moved to the output directory

build/scaffold.sh

@@ -23,8 +23,15 @@ build_xmlstream(){
   outdated=no
 
   if [ -f "${shortname}.${lang}.xhtml" ]; then
-    act_lang="$lang"
-    [ "${shortname}.${olang}.xhtml" -nt "${shortname}.${lang}.xhtml" ] && outdated=yes
+      act_lang="$lang"
+      basename=${shortname/*\/}
+      outdatedtranslations="${dirname}.${basename}.en.xhtml.outdated-translations" 
+      if [ -f "${outdatedtranslations}" ]; then
+          grep -q "${lang}.xhtml" "${outdatedtranslations}" && outdated=yes
+      else
+          echo "* Sidecar file ${outdatedtranslations} is missing" >&2
+          [ "${shortname}.${olang}.xhtml" -nt "${shortname}.${lang}.xhtml" ] && outdated=yes
+      fi
   else
     act_lang="$olang"
   fi

tools/find-outdated-translations

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+# Find outdated translations for the given file.
+
+# File must have extension ".??.xhtml".  All files with the same
+# basename and the same extension pattern that are newer than the
+# given one, according to git commit date, are returned.
+
+filename=$1
+bn=${filename%.??.xhtml}
+siblings=`ls ${bn}.??.xhtml`
+translations=${siblings/${filename}}
+if [ ! -z "$translations" ]; then
+    outdated="${translations}"
+    ct=`git log -1 --format="%ct" "$filename"`
+    updatedfiles=`git log --since=$ct --format="%ct" --name-only "${bn}.??.xhtml" | grep xhtml | sort -u`
+    if [ ! -z "$updatedfiles" ]; then
+        for u in ${updatedfiles}; do
+            outdated=${outdated/*$u}
+        done
+    fi
+    echo $outdated
+fi