Add some missing const declarations.

include/git2/remote.h

@@ -194,7 +194,7 @@ GIT_EXTERN(int) git_remote_add_fetch(git_remote *remote, const char *refspec);
  * @param array pointer to the array in which to store the strings
  * @param remote the remote to query
  */
-GIT_EXTERN(int) git_remote_get_fetch_refspecs(git_strarray *array, git_remote *remote);
+GIT_EXTERN(int) git_remote_get_fetch_refspecs(git_strarray *array, const git_remote *remote);
 
 /**
  * Set the remote's list of fetch refspecs
@@ -227,7 +227,7 @@ GIT_EXTERN(int) git_remote_add_push(git_remote *remote, const char *refspec);
  * @param array pointer to the array in which to store the strings
  * @param remote the remote to query
  */
-GIT_EXTERN(int) git_remote_get_push_refspecs(git_strarray *array, git_remote *remote);
+GIT_EXTERN(int) git_remote_get_push_refspecs(git_strarray *array, const git_remote *remote);
 
 /**
  * Set the remote's list of push refspecs
@@ -254,7 +254,7 @@ GIT_EXTERN(void) git_remote_clear_refspecs(git_remote *remote);
  * @param remote the remote
  * @return the amount of refspecs configured in this remote
  */
-GIT_EXTERN(size_t) git_remote_refspec_count(git_remote *remote);
+GIT_EXTERN(size_t) git_remote_refspec_count(const git_remote *remote);
 
 /**
  * Get a refspec from the remote
@@ -263,7 +263,7 @@ GIT_EXTERN(size_t) git_remote_refspec_count(git_remote *remote);
  * @param n the refspec to get
  * @return the nth refspec
  */
-GIT_EXTERN(const git_refspec *)git_remote_get_refspec(git_remote *remote, size_t n);
+GIT_EXTERN(const git_refspec *)git_remote_get_refspec(const git_remote *remote, size_t n);
 
 /**
  * Open a connection to a remote
@@ -319,7 +319,7 @@ GIT_EXTERN(int) git_remote_download(git_remote *remote);
  * @param remote the remote
  * @return 1 if it's connected, 0 otherwise.
  */
-GIT_EXTERN(int) git_remote_connected(git_remote *remote);
+GIT_EXTERN(int) git_remote_connected(const git_remote *remote);
 
 /**
  * Cancel the operation
@@ -510,7 +510,7 @@ typedef enum {
  * @param remote the remote to query
  * @return the auto-follow setting
  */
-GIT_EXTERN(git_remote_autotag_option_t) git_remote_autotag(git_remote *remote);
+GIT_EXTERN(git_remote_autotag_option_t) git_remote_autotag(const git_remote *remote);
 
 /**
  * Set the tag auto-follow setting

src/remote.c

@@ -1089,7 +1089,7 @@ out:
 	return error;
 }
 
-int git_remote_connected(git_remote *remote)
+int git_remote_connected(const git_remote *remote)
 {
 	assert(remote);
 
@@ -1233,7 +1233,7 @@ const git_transfer_progress* git_remote_stats(git_remote *remote)
 	return &remote->stats;
 }
 
-git_remote_autotag_option_t git_remote_autotag(git_remote *remote)
+git_remote_autotag_option_t git_remote_autotag(const git_remote *remote)
 {
 	return remote->download_tags;
 }
@@ -1626,7 +1626,7 @@ int git_remote_set_push_refspecs(git_remote *remote, git_strarray *array)
 	return set_refspecs(remote, array, true);
 }
 
-static int copy_refspecs(git_strarray *array, git_remote *remote, unsigned int push)
+static int copy_refspecs(git_strarray *array, const git_remote *remote, unsigned int push)
 {
 	size_t i;
 	git_vector refspecs;
@@ -1660,22 +1660,22 @@ on_error:
 	return -1;
 }
 
-int git_remote_get_fetch_refspecs(git_strarray *array, git_remote *remote)
+int git_remote_get_fetch_refspecs(git_strarray *array, const git_remote *remote)
 {
 	return copy_refspecs(array, remote, false);
 }
 
-int git_remote_get_push_refspecs(git_strarray *array, git_remote *remote)
+int git_remote_get_push_refspecs(git_strarray *array, const git_remote *remote)
 {
 	return copy_refspecs(array, remote, true);
 }
 
-size_t git_remote_refspec_count(git_remote *remote)
+size_t git_remote_refspec_count(const git_remote *remote)
 {
 	return remote->refspecs.length;
 }
 
-const git_refspec *git_remote_get_refspec(git_remote *remote, size_t n)
+const git_refspec *git_remote_get_refspec(const git_remote *remote, size_t n)
 {
 	return git_vector_get(&remote->refspecs, n);
 }