Add tests for the external_command library, and fix a bug

(which was actually a fairly late regression, showing the
benefits of formal tests vs informal testing).

I believe this bug was the cause of the recent Xapian indexing errors.

1 files changed, 22 insertions, 0 deletions

diff --git a/spec/lib/external_command_scripts/output.sh b/spec/lib/external_command_scripts/output.sh
new file mode 100755
index 000000000..0472c89a3
--- /dev/null
+++ b/spec/lib/external_command_scripts/output.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+out_msg=${1:-out}
+err_msg=${2:-}
+repeats=${3:-10}
+exit_status=${4:-0}
+
+n=0
+while [ "$n" -lt "$repeats" ]
+do
+  if [ -n "$out_msg" ]
+  then
+    echo "$out_msg $n"
+  fi
+  if [ -n "$err_msg" ]
+  then
+    echo >&2 "$err_msg $n"
+  fi
+  n=$[$n + 1]
+done
+
+exit "$exit_status"