cli git remote add/set-url: use sanitize_git_url_if_path

It seems like an oversight that the algorithm from `jj git clone`
wasn't used in them before

cli/src/commands/git/remote/add.rs

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use jj_lib::git;
+use jj_lib::git::{self, sanitize_git_url_if_path};
 use jj_lib::repo::Repo;
 
 use crate::cli_util::CommandHelper;
@@ -37,6 +37,10 @@ pub fn cmd_git_remote_add(
     let workspace_command = command.workspace_helper(ui)?;
     let repo = workspace_command.repo();
     let git_repo = get_git_repo(repo.store())?;
-    git::add_remote(&git_repo, &args.remote, &args.url)?;
+    git::add_remote(
+        &git_repo,
+        &args.remote,
+        &sanitize_git_url_if_path(command.cwd(), &args.url),
+    )?;
     Ok(())
 }

cli/src/commands/git/remote/set_url.rs

@@ -37,6 +37,6 @@ pub fn cmd_git_remote_set_url(
     let workspace_command = command.workspace_helper(ui)?;
     let repo = workspace_command.repo();
     let git_repo = get_git_repo(repo.store())?;
-    git::set_remote_url(&git_repo, &args.remote, &args.url)?;
+    git::set_remote_url(&git_repo, &args.remote, &args.url, command.cwd())?;
     Ok(())
 }

lib/src/git.rs

@@ -1180,6 +1180,7 @@ pub fn set_remote_url(
     git_repo: &git2::Repository,
     remote_name: &str,
     new_remote_url: &str,
+    cwd: &Path,
 ) -> Result<(), GitRemoteManagementError> {
     if remote_name == REMOTE_NAME_FOR_LOCAL_GIT_REPO {
         return Err(GitRemoteManagementError::RemoteReservedForLocalGitRepo);
@@ -1197,7 +1198,7 @@ pub fn set_remote_url(
     })?;
 
     git_repo
-        .remote_set_url(remote_name, new_remote_url)
+        .remote_set_url(remote_name, &sanitize_git_url_if_path(cwd, new_remote_url))
         .map_err(GitRemoteManagementError::InternalGitError)?;
     Ok(())
 }