container-commit: support --squash to squash layers into one

Allow users to commit containers into a single layer.

Usage
```bash
podman container commit --squash <name>
```

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

2 files changed, 16 insertions, 0 deletions

diff --git a/pkg/bindings/containers/types.go b/pkg/bindings/containers/types.go
index 4915e3e23..66b90af9b 100644
--- a/pkg/bindings/containers/types.go
+++ b/pkg/bindings/containers/types.go
@@ -30,6 +30,7 @@ type CommitOptions struct {
 	Comment *string
 	Format  *string
 	Pause   *bool
+	Squash  *bool
 	Repo    *string
 	Tag     *string
 }
diff --git a/pkg/bindings/containers/types_commit_options.go b/pkg/bindings/containers/types_commit_options.go
index 7eb04198f..7b4745eb8 100644
--- a/pkg/bindings/containers/types_commit_options.go
+++ b/pkg/bindings/containers/types_commit_options.go
@@ -92,6 +92,21 @@ func (o *CommitOptions) GetPause() bool {
 	return *o.Pause
 }
 
+// WithSquash set field Squash to given value
+func (o *CommitOptions) WithSquash(value bool) *CommitOptions {
+	o.Squash = &value
+	return o
+}
+
+// GetSquash returns value of field Squash
+func (o *CommitOptions) GetSquash() bool {
+	if o.Squash == nil {
+		var z bool
+		return z
+	}
+	return *o.Squash
+}
+
 // WithRepo set field Repo to given value
 func (o *CommitOptions) WithRepo(value string) *CommitOptions {
 	o.Repo = &value