pkg,libpod: remove pkg/hooks and use hooks from c/common

PR https://github.com/containers/common/pull/1071 moved `pkg/hooks` to
`c/common` hence remove that from podman and use `pkg/hooks` from
`c/common`

[NO NEW TESTS NEEDED]
[NO TESTS NEEDED]

Signed-off-by: Aditya R <arajan@redhat.com>

1 files changed, 0 insertions, 89 deletions

diff --git a/pkg/hooks/1.0.0/hook.go b/pkg/hooks/1.0.0/hook.go
deleted file mode 100644
index 71f940a64..000000000
--- a/pkg/hooks/1.0.0/hook.go
+++ /dev/null
@@ -1,89 +0,0 @@
-// Package hook is the 1.0.0 hook configuration structure.
-package hook
-
-import (
-	"encoding/json"
-	"errors"
-	"fmt"
-	"os"
-	"regexp"
-
-	rspec "github.com/opencontainers/runtime-spec/specs-go"
-)
-
-// Version is the hook configuration version defined in this package.
-const Version = "1.0.0"
-
-// Hook is the hook configuration structure.
-type Hook struct {
-	Version string     `json:"version"`
-	Hook    rspec.Hook `json:"hook"`
-	When    When       `json:"when"`
-	Stages  []string   `json:"stages"`
-}
-
-// Read reads hook JSON bytes, verifies them, and returns the hook configuration.
-func Read(content []byte) (hook *Hook, err error) {
-	if err = json.Unmarshal(content, &hook); err != nil {
-		return nil, err
-	}
-	return hook, nil
-}
-
-// Validate performs load-time hook validation.
-func (hook *Hook) Validate(extensionStages []string) (err error) {
-	if hook == nil {
-		return errors.New("nil hook")
-	}
-
-	if hook.Version != Version {
-		return fmt.Errorf("unexpected hook version %q (expecting %v)", hook.Version, Version)
-	}
-
-	if hook.Hook.Path == "" {
-		return errors.New("missing required property: hook.path")
-	}
-
-	if _, err := os.Stat(hook.Hook.Path); err != nil {
-		return err
-	}
-
-	for key, value := range hook.When.Annotations {
-		if _, err = regexp.Compile(key); err != nil {
-			return fmt.Errorf("invalid annotation key %q: %w", key, err)
-		}
-		if _, err = regexp.Compile(value); err != nil {
-			return fmt.Errorf("invalid annotation value %q: %w", value, err)
-		}
-	}
-
-	for _, command := range hook.When.Commands {
-		if _, err = regexp.Compile(command); err != nil {
-			return fmt.Errorf("invalid command %q: %w", command, err)
-		}
-	}
-
-	if hook.Stages == nil {
-		return errors.New("missing required property: stages")
-	}
-
-	validStages := map[string]bool{
-		"createContainer": true,
-		"createRuntime":   true,
-		"prestart":        true,
-		"poststart":       true,
-		"poststop":        true,
-		"startContainer":  true,
-	}
-	for _, stage := range extensionStages {
-		validStages[stage] = true
-	}
-
-	for _, stage := range hook.Stages {
-		if !validStages[stage] {
-			return fmt.Errorf("unknown stage %q", stage)
-		}
-	}
-
-	return nil
-}