Basic test script for --bbl or no --bb

Not really a test automation, but better than nothing...

tests/bib/run-test.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+
+die () {
+    echo "fatal: $@"
+    exit 1
+}
+
+oldnew="$(git rev-list HEAD -- test.tex test.bbl)"
+old=$(echo "$oldnew" | sed -n '1p')
+new=$(echo "$oldnew" | sed -n '2p')
+
+rm -f *.aux *.bbl
+echo "git latexdiff without --bbl option (should not display bibliography)"
+../../git-latexdiff $old $new 2>&1 > no-bbl.log ||
+	die "latexdiff without --bbl failed (log in no-bbl.log)."
+
+rm -f *.aux *.bbl
+echo "git latexdiff with --bbl option (should display diff within bibliography)"
+../../git-latexdiff $old $new --bbl 2>&1 > with-bbl.log ||
+	die "latexdiff with --bbl failed (log in with-bbl.log)."
+
+rm -f *.aux *.bbl
+echo "git latexdiff with --latexdiff-flatten option (should not display bibliography)"
+../../git-latexdiff $old $new --latexdiff-flatten 2>&1 > with-flatten.log ||
+	die "latexdiff with --latexdiff-flatten failed (log in flatten.log)."
+
+