From d43f32456599a2a97b94376a99415557982b7376 Mon Sep 17 00:00:00 2001
From: Ian Lyttle <ijlyttle@me.com>
Date: Fri, 19 Sep 2025 15:31:55 -0400
Subject: [PATCH 1/3] add code to check, and possibly advise, on codecov

---
 R/git-default-branch.R                   | 21 +++++++++++++++++++++
 tests/testthat/test-git-default-branch.R |  4 ++++
 2 files changed, 25 insertions(+)

diff --git a/R/git-default-branch.R b/R/git-default-branch.R
index a4070c8d0..f84c17695 100644
--- a/R/git-default-branch.R
+++ b/R/git-default-branch.R
@@ -565,6 +565,7 @@ report_fishy_files <- function(old_name = "master", new_name = "main") {
   try(fishy_github_actions(new_name = new_name), silent = TRUE)
   try(fishy_badges(old_name = old_name), silent = TRUE)
   try(fishy_bookdown_config(old_name = old_name), silent = TRUE)
+  try(fishy_codecov_config(new_name = new_name), silent = TRUE)
 }
 
 # good test cases: downlit, purrr, pkgbuild, zealot, glue, bench,
@@ -674,3 +675,23 @@ fishy_bookdown_config <- function(old_name = "master") {
 
   invisible(path)
 }
+
+fishy_codecov_config <- function(new_name = "main") {
+
+  path <- proj_path("codecov.yml")
+
+  if (!file_exists(path)) {
+    return(invisible(character()))
+  }
+
+  repo_spec <- target_repo_spec()
+  url <- glue("https://app.codecov.io/gh/{repo_spec}")
+
+  ui_bullets(c(
+    "-" = "Check and correct, if needed, your
+           {.href [codecov configuration]({url})}
+           to refer to the new default branch {.val {new_name}}."
+  ))
+
+  invisible(path)
+}
diff --git a/tests/testthat/test-git-default-branch.R b/tests/testthat/test-git-default-branch.R
index 85aa8cde0..3e1516289 100644
--- a/tests/testthat/test-git-default-branch.R
+++ b/tests/testthat/test-git-default-branch.R
@@ -115,6 +115,10 @@ test_that("git_default_branch_rename() surfaces files that smell fishy", {
     file = path("whatever", "foo", "_bookdown.yaml")
   )
 
+  # The code to remind about updating codecov configuration,
+  # `fishy_codecov_config()`, is not tested because it depends
+  # on the location of a GitHub remote, which does not exist in this test.
+
   withr::local_options(usethis.quiet = FALSE)
   expect_snapshot(
     git_default_branch_rename()

From d563f82860a224af278dd7ffc341707958dbbc98 Mon Sep 17 00:00:00 2001
From: Ian Lyttle <ijlyttle@me.com>
Date: Fri, 19 Sep 2025 15:34:54 -0400
Subject: [PATCH 2/3] add news item

---
 NEWS.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/NEWS.md b/NEWS.md
index 37d7ede9f..7306004e3 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -2,6 +2,9 @@
 
 * `pr_resume()` (without a specific `branch`) and `pr_fetch()` (without a specific `number`) no longer error when a branch name contains curly braces (#2107, @jonthegeek).
 
+* `git_default_branch_rename()`, if appropriate, offers a reminder to update 
+  codecov configuration (#2078, @ijlyttle).
+
 # usethis 3.2.1
 
 * `create_quarto_project()` exits early if the Quarto CLI does not appear to be

From 3f91c42a6b4b208896cb65941e049db0c108dbc5 Mon Sep 17 00:00:00 2001
From: Ian Lyttle <ijlyttle@users.noreply.github.com>
Date: Fri, 19 Sep 2025 15:42:56 -0400
Subject: [PATCH 3/3] Update R/git-default-branch.R

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
---
 R/git-default-branch.R | 1 -
 1 file changed, 1 deletion(-)

diff --git a/R/git-default-branch.R b/R/git-default-branch.R
index f84c17695..30ddeaed5 100644
--- a/R/git-default-branch.R
+++ b/R/git-default-branch.R
@@ -677,7 +677,6 @@ fishy_bookdown_config <- function(old_name = "master") {
 }
 
 fishy_codecov_config <- function(new_name = "main") {
-
   path <- proj_path("codecov.yml")
 
   if (!file_exists(path)) {