From 9701f08184a8e6242a8d0e523d7a2e341c179961 Mon Sep 17 00:00:00 2001
From: Luther <luther.monson@gmail.com>
Date: Fri, 22 May 2020 13:15:19 -0700
Subject: [PATCH] adding ignore checks for prune and rmi

---
 docker.go | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/docker.go b/docker.go
index be23616..22aedcc 100644
--- a/docker.go
+++ b/docker.go
@@ -135,6 +135,10 @@ func (p Plugin) Exec() error {
 		err := cmd.Run()
 		if err != nil && isCommandPull(cmd.Args) {
 			fmt.Printf("Could not pull cache-from image %s. Ignoring...\n", cmd.Args[2])
+		} else if err != nil && isCommandPrune(cmd.Args) {
+			fmt.Printf("Could not prune system containers. Ignoring...\n")
+		} else if err != nil && isCommandRmi(cmd.Args) {
+			fmt.Printf("Could not remove image %s. Ignoring...\n", cmd.Args[2])
 		} else if err != nil {
 			return err
 		}
@@ -341,10 +345,21 @@ func commandDaemon(daemon Daemon) *exec.Cmd {
 	return exec.Command(dockerdExe, args...)
 }
 
+
+// helper to check if args match "docker prune"
+func isCommandPrune(args []string) bool {
+	return len(args) > 2 && args[1] == "prune"
+}
+
 func commandPrune() *exec.Cmd {
 	return exec.Command(dockerExe, "system", "prune", "-f")
 }
 
+// helper to check if args match "docker rmi"
+func isCommandRmi(args []string) bool {
+	return len(args) > 2 && args[1] == "rmi"
+}
+
 func commandRmi(tag string) *exec.Cmd {
 	return exec.Command(dockerExe, "rmi", tag)
 }