1 files changed, 21 insertions, 0 deletions
diff --git a/yarns/900-implements.yarn b/yarns/900-implements.yarn
index 5b9d0f9..d4b1ee5 100644
--- a/yarns/900-implements.yarn
+++ b/yarns/900-implements.yarn
@@ -15,3 +15,24 @@ Does the server respond to a ping?
     IMPLEMENTS THEN server responds to ping
     . "$DATADIR/config.sh"
     ping -c1 "$SERVER"
+
+## Running command over ssh
+
+Run a command on the server over ssh, capturing stdout and stderr and
+exit code for later inspection.
+
+    IMPLEMENTS WHEN running ssh (.*)
+    if ssh $MATCH_1 > "$DATADIR/stdout" 2> "$DATADIR/stderr"
+    then
+        echo 0 > "$DATADIR/exit"
+    else
+        echo $? > "$DATADIR/exit"
+    fi
+
+## Inspect results of running a command
+
+The stdout, stderr, and exit code have been saved. Inspect them.
+
+    IMPLEMENTS THEN output matches (.+)
+    cat "$DATADIR/stdout"
+    grep "$MATCH_1" "$DATADIR/stdout"