subcmds: Use repo logger

Bug: b/292704435
Change-Id: Ia3a45d87fc0bf0d4a1ba53050d9c3cd2dba20e55
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/386236
Reviewed-by: Jason Chang <jasonnc@google.com>
Commit-Queue: Aravind Vasudevan <aravindvasudev@google.com>
Tested-by: Aravind Vasudevan <aravindvasudev@google.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/subcmds/stage.py b/subcmds/stage.py
index 4d54eb19..92a00ea0 100644
--- a/subcmds/stage.py
+++ b/subcmds/stage.py
@@ -17,6 +17,10 @@ import sys
 from color import Coloring
 from command import InteractiveCommand
 from git_command import GitCommand
+from repo_logging import RepoLogger
+
+
+logger = RepoLogger(__file__)
 
 
 class _ProjectList(Coloring):
@@ -62,7 +66,7 @@ The '%prog' command stages files to prepare the next commit.
             if p.IsDirty()
         ]
         if not all_projects:
-            print("no projects have uncommitted modifications", file=sys.stderr)
+            logger.error("no projects have uncommitted modifications")
             return
 
         out = _ProjectList(self.manifest.manifestProject.config)