Fixed compilation issues when libssh2 is missing

include/git2/transport.h

@@ -11,7 +11,9 @@
 #include "net.h"
 #include "types.h"
 
+#ifdef GIT_SSH
 #include <libssh2.h>
+#endif
 
 /**
  * @file git2/transport.h
@@ -47,6 +49,7 @@ typedef struct git_cred_userpass_plaintext {
 	char *password;
 } git_cred_userpass_plaintext;
 
+#ifdef GIT_SSH
 /* A ssh key file and passphrase */
 typedef struct git_cred_ssh_keyfile_passphrase {
 	git_cred parent;
@@ -63,6 +66,7 @@ typedef struct git_cred_ssh_publickey {
 	void *sign_callback;
 	void *sign_data;
 } git_cred_ssh_publickey;
+#endif
 
 /**
  * Creates a new plain-text username and password credential object.
@@ -78,6 +82,7 @@ GIT_EXTERN(int) git_cred_userpass_plaintext_new(
 	const char *username,
 	const char *password);
 
+#ifdef GIT_SSH
 /**
  * Creates a new ssh key file and passphrase credential object.
  * The supplied credential parameter will be internally duplicated.
@@ -111,6 +116,7 @@ GIT_EXTERN(int) git_cred_ssh_publickey_new(
     size_t publickey_len,
     LIBSSH2_USERAUTH_PUBLICKEY_SIGN_FUNC((*sign_callback)),
     void *sign_data);
+#endif
 
 /**
  * Signature of a function which acquires a credential object.

src/transport.c

@@ -20,20 +20,25 @@ typedef struct transport_definition {
 
 static git_smart_subtransport_definition http_subtransport_definition = { git_smart_subtransport_http, 1 };
 static git_smart_subtransport_definition git_subtransport_definition = { git_smart_subtransport_git, 0 };
+#ifdef GIT_SSH
 static git_smart_subtransport_definition ssh_subtransport_definition = { git_smart_subtransport_ssh, 0 };
+#endif
 
 static transport_definition local_transport_definition = { "file://", 1, git_transport_local, NULL };
-#ifdef GIT_WIN32
+#ifdef GIT_SSH
+static transport_definition ssh_transport_definition = { "ssh://", 1, git_transport_smart, &ssh_subtransport_definition };
+#else
 static transport_definition dummy_transport_definition = { NULL, 1, git_transport_dummy, NULL };
 #endif
-static transport_definition ssh_transport_definition = { "ssh://", 1, git_transport_smart, &ssh_subtransport_definition };
 
 static transport_definition transports[] = {
 	{"git://", 1, git_transport_smart, &git_subtransport_definition},
 	{"http://", 1, git_transport_smart, &http_subtransport_definition},
 	{"https://", 1, git_transport_smart, &http_subtransport_definition},
 	{"file://", 1, git_transport_local, NULL},
+#ifdef GIT_SSH
 	{"ssh://", 1, git_transport_smart, &ssh_subtransport_definition},
+#endif
 	{NULL, 0, 0}
 };
 
@@ -76,7 +81,11 @@ static int transport_find_fn(const char *url, git_transport_cb *callback, void *
 	/* It could be a SSH remote path. Check to see if there's a :
 	 * SSH is an unsupported transport mechanism in this version of libgit2 */
 	if (!definition && strrchr(url, ':'))
+#ifdef GIT_SSH
 		definition = &ssh_transport_definition;
+#else
+        definition = &dummy_transport_definition;
+#endif
 
 	/* Check to see if the path points to a file on the local file system */
 	if (!definition && git_path_exists(url) && git_path_isdir(url))

src/transports/cred.c

@@ -59,6 +59,7 @@ int git_cred_userpass_plaintext_new(
 	return 0;
 }
 
+#ifdef GIT_SSH
 static void ssh_keyfile_passphrase_free(struct git_cred *cred)
 {
 	git_cred_ssh_keyfile_passphrase *c = (git_cred_ssh_keyfile_passphrase *)cred;
@@ -184,3 +185,4 @@ int git_cred_ssh_publickey_new(
 	*cred = &c->parent;
 	return 0;
 }
+#endif

src/transports/ssh.c

@@ -5,6 +5,8 @@
  * a Linking Exception. For full terms see the included COPYING file.
  */
 
+#ifdef GIT_SSH
+
 #include "git2.h"
 #include "buffer.h"
 #include "netops.h"
@@ -520,3 +522,5 @@ int git_smart_subtransport_ssh(git_smart_subtransport **out, git_transport *owne
 	*out = (git_smart_subtransport *) t;
 	return 0;
 }
+
+#endif