Update build man page with latest Buildah changes

Changes include: Containerfile by default, add --device flags to bud, allow buildah bud to be called without
arguments, and a couple of small typo corrections.

Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/cmd/podman/utils.go b/cmd/podman/utils.go
index c0ddaba4e..592d7a1d1 100644
--- a/cmd/podman/utils.go
+++ b/cmd/podman/utils.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"os"
 	"reflect"
 	"runtime/debug"
 
@@ -63,3 +64,12 @@ func aliasFlags(f *pflag.FlagSet, name string) pflag.NormalizedName {
 	}
 	return pflag.NormalizedName(name)
 }
+
+// Check if a file exists and is not a directory
+func checkIfFileExists(name string) bool {
+	file, err := os.Stat(name)
+	if os.IsNotExist(err) {
+		return false
+	}
+	return !file.IsDir()
+}