test suite: run-all: Minor refactoring etc.

* Makefile: Move the DGIT_TEST_RETRY_COUNT if/else into the rule.
  This removes a small amount of duplication.

* run-all: Document the option to pass explicitly list of scripts.

* run-all: Add an option parser, which currently supports no options.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

1 files changed, 9 insertions, 1 deletions

diff --git a/tests/run-all b/tests/run-all
index f72b9fa..3e40369 100755
--- a/tests/run-all
+++ b/tests/run-all
@@ -1,10 +1,18 @@
 #!/bin/bash
 set -e
 # convenience script for running the tests outside adt-run
-# usage: tests/using-intree tests/run-all
+# usage: tests/using-intree tests/run-all [tests/tests/*]
 
 set -o pipefail
 
+while [ $# != 0 ]; do
+	case "$1" in
+	--)			shift; break ;;
+	-*)	echo >&2 "run-all: unknown option $1"; exit 20 ;;
+	*)			break ;;
+	esac
+done
+
 ncpus=$(nproc || echo 1)
 jcpus=-j$(( ncpus * 134 / 100 ))