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-rw-r--r--cmd/podman/parse/common.go50
1 files changed, 50 insertions, 0 deletions
diff --git a/cmd/podman/parse/common.go b/cmd/podman/parse/common.go
new file mode 100644
index 000000000..a5e9b4fc2
--- /dev/null
+++ b/cmd/podman/parse/common.go
@@ -0,0 +1,50 @@
+package parse
+
+import (
+ "github.com/pkg/errors"
+ "github.com/spf13/cobra"
+)
+
+// CheckAllLatestAndCIDFile checks that --all and --latest are used correctly.
+// If cidfile is set, also check for the --cidfile flag.
+func CheckAllLatestAndCIDFile(c *cobra.Command, args []string, ignoreArgLen bool, cidfile bool) error {
+ argLen := len(args)
+ if c.Flags().Lookup("all") == nil || c.Flags().Lookup("latest") == nil {
+ if !cidfile {
+ return errors.New("unable to lookup values for 'latest' or 'all'")
+ } else if c.Flags().Lookup("cidfile") == nil {
+ return errors.New("unable to lookup values for 'latest', 'all' or 'cidfile'")
+ }
+ }
+
+ specifiedAll, _ := c.Flags().GetBool("all")
+ specifiedLatest, _ := c.Flags().GetBool("latest")
+ specifiedCIDFile := false
+ if cid, _ := c.Flags().GetStringArray("cidfile"); len(cid) > 0 {
+ specifiedCIDFile = true
+ }
+
+ if specifiedCIDFile && (specifiedAll || specifiedLatest) {
+ return errors.Errorf("--all, --latest and --cidfile cannot be used together")
+ } else if specifiedAll && specifiedLatest {
+ return errors.Errorf("--all and --latest cannot be used together")
+ }
+
+ if ignoreArgLen {
+ return nil
+ }
+ if (argLen > 0) && (specifiedAll || specifiedLatest) {
+ return errors.Errorf("no arguments are needed with --all or --latest")
+ } else if cidfile && (argLen > 0) && (specifiedAll || specifiedLatest || specifiedCIDFile) {
+ return errors.Errorf("no arguments are needed with --all, --latest or --cidfile")
+ }
+
+ if specifiedCIDFile {
+ return nil
+ }
+
+ if argLen < 1 && !specifiedAll && !specifiedLatest && !specifiedCIDFile {
+ return errors.Errorf("you must provide at least one name or id")
+ }
+ return nil
+}