vendor c/common

Also update the e2e pull test to account for the changes when pulling
from the dir transport.  Images pulled via the dir transport are not
tagged anymore; the path is not a reliable source.

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

vendor/github.com/containers/common/pkg/util/util.go

@@ -0,0 +1,24 @@
+package util
+
+import "regexp"
+
+// StringInSlice determines if a string is in a string slice, returns bool
+func StringInSlice(s string, sl []string) bool {
+	for _, i := range sl {
+		if i == s {
+			return true
+		}
+	}
+	return false
+}
+
+// StringMatchRegexSlice determines if a given string matches one of the given regexes, returns bool
+func StringMatchRegexSlice(s string, re []string) bool {
+	for _, r := range re {
+		m, err := regexp.MatchString(r, s)
+		if err == nil && m {
+			return true
+		}
+	}
+	return false
+}

vendor/github.com/containers/common/pkg/util/util_supported.go

@@ -0,0 +1,80 @@
+// +build linux darwin
+
+package util
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"sync"
+	"syscall"
+
+	"github.com/containers/storage/pkg/unshare"
+	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
+)
+
+var (
+	rootlessRuntimeDirOnce sync.Once
+	rootlessRuntimeDir     string
+)
+
+// GetRuntimeDir returns the runtime directory
+func GetRuntimeDir() (string, error) {
+	var rootlessRuntimeDirError error
+
+	rootlessRuntimeDirOnce.Do(func() {
+		runtimeDir := os.Getenv("XDG_RUNTIME_DIR")
+		if runtimeDir != "" {
+			st, err := os.Stat(runtimeDir)
+			if err != nil {
+				rootlessRuntimeDirError = err
+				return
+			}
+			if int(st.Sys().(*syscall.Stat_t).Uid) != os.Geteuid() {
+				rootlessRuntimeDirError = fmt.Errorf("XDG_RUNTIME_DIR directory %q is not owned by the current user", runtimeDir)
+				return
+			}
+		}
+		uid := fmt.Sprintf("%d", unshare.GetRootlessUID())
+		if runtimeDir == "" {
+			tmpDir := filepath.Join("/run", "user", uid)
+			if err := os.MkdirAll(tmpDir, 0700); err != nil {
+				logrus.Debugf("unable to make temp dir: %v", err)
+			}
+			st, err := os.Stat(tmpDir)
+			if err == nil && int(st.Sys().(*syscall.Stat_t).Uid) == os.Geteuid() && st.Mode().Perm() == 0700 {
+				runtimeDir = tmpDir
+			}
+		}
+		if runtimeDir == "" {
+			tmpDir := filepath.Join(os.TempDir(), fmt.Sprintf("podman-run-%s", uid))
+			if err := os.MkdirAll(tmpDir, 0700); err != nil {
+				logrus.Debugf("unable to make temp dir %v", err)
+			}
+			st, err := os.Stat(tmpDir)
+			if err == nil && int(st.Sys().(*syscall.Stat_t).Uid) == os.Geteuid() && st.Mode().Perm() == 0700 {
+				runtimeDir = tmpDir
+			}
+		}
+		if runtimeDir == "" {
+			home := os.Getenv("HOME")
+			if home == "" {
+				rootlessRuntimeDirError = errors.New("neither XDG_RUNTIME_DIR nor HOME was set non-empty")
+				return
+			}
+			resolvedHome, err := filepath.EvalSymlinks(home)
+			if err != nil {
+				rootlessRuntimeDirError = errors.Wrap(err, "cannot resolve home")
+				return
+			}
+			runtimeDir = filepath.Join(resolvedHome, "rundir")
+		}
+		rootlessRuntimeDir = runtimeDir
+	})
+
+	if rootlessRuntimeDirError != nil {
+		return "", rootlessRuntimeDirError
+	}
+	return rootlessRuntimeDir, nil
+}

vendor/github.com/containers/common/pkg/util/util_windows.go

@@ -0,0 +1,12 @@
+// +build windows
+
+package util
+
+import (
+	"github.com/pkg/errors"
+)
+
+// getRuntimeDir returns the runtime directory
+func GetRuntimeDir() (string, error) {
+	return "", errors.New("this function is not implemented for windows")
+}