Add support for managed SSH transport #minor (#814)

This change drops the (hard) dependency on libssh2 and instead uses Go's
implementation of SSH when libgit2 is not built with it.

1 files changed, 11 insertions, 5 deletions

diff --git a/remote.go b/remote.go
index 3a435d1..275d4d9 100644
--- a/remote.go
+++ b/remote.go
@@ -17,6 +17,8 @@ import (
 	"strings"
 	"sync"
 	"unsafe"
+
+	"golang.org/x/crypto/ssh"
 )
 
 // RemoteCreateOptionsFlag is Remote creation options flags
@@ -257,21 +259,25 @@ type Certificate struct {
 	Hostkey HostkeyCertificate
 }
 
+// HostkeyKind is a bitmask of the available hashes in HostkeyCertificate.
 type HostkeyKind uint
 
 const (
 	HostkeyMD5    HostkeyKind = C.GIT_CERT_SSH_MD5
 	HostkeySHA1   HostkeyKind = C.GIT_CERT_SSH_SHA1
 	HostkeySHA256 HostkeyKind = C.GIT_CERT_SSH_SHA256
+	HostkeyRaw    HostkeyKind = 1 << 3
 )
 
 // Server host key information. A bitmask containing the available fields.
-// Check for combinations of: HostkeyMD5, HostkeySHA1, HostkeySHA256.
+// Check for combinations of: HostkeyMD5, HostkeySHA1, HostkeySHA256, HostkeyRaw.
 type HostkeyCertificate struct {
-	Kind       HostkeyKind
-	HashMD5    [16]byte
-	HashSHA1   [20]byte
-	HashSHA256 [32]byte
+	Kind         HostkeyKind
+	HashMD5      [16]byte
+	HashSHA1     [20]byte
+	HashSHA256   [32]byte
+	Hostkey      []byte
+	SSHPublicKey ssh.PublicKey
 }
 
 type PushOptions struct {