Add use_r_universe_badge()

.gitignore

@@ -4,3 +4,5 @@
 inst/doc
 docs
 internal
+
+/.quarto/

NAMESPACE

@@ -158,6 +158,7 @@ export(use_pkgdown_github_pages)
 export(use_posit_cloud_badge)
 export(use_proprietary_license)
 export(use_r)
+export(use_r_universe_badge)
 export(use_rcpp)
 export(use_rcpp_armadillo)
 export(use_rcpp_eigen)

NEWS.md

@@ -9,6 +9,8 @@
 * `use_package(min_version = FALSE)` is treated the same as when `min_version`
   is not specified (#2117, @salim-b).
 
+* `use_r_universe_badge()` is a new function that creates a README badge indicating your package is available on [R-universe](https://r-universe.dev) and reporting the latest version (@olivroy, #1883).
+
 * usethis's criteria for recognizing a project have expanded to include (#2133):
   - a `.vscode/` directory, which Positron or VS Code might create
   - a `_quarto.yml` file, typical of a Quarto project

R/badge.R

@@ -17,17 +17,23 @@
 #' available on CRAN, powered by <https://www.r-pkg.org>
 #' * `use_lifecycle_badge()`: badge declares the developmental stage of a
 #' package according to <https://lifecycle.r-lib.org/articles/stages.html>.
+#' * `use_r_universe_badge()`: `r lifecycle::badge("experimental")` badge
+#' indicates what version of your package is available on [R-universe
+#' ](https://r-universe.dev/search/). It is assumed that you have already
+#' completed the
+#' [necessary R-universe setup](https://docs.r-universe.dev/publish/set-up.html).
 #' * `use_binder_badge()`: badge indicates that your repository can be launched
 #' in an executable environment on <https://mybinder.org/>
 #' * `use_posit_cloud_badge()`: badge indicates that your repository can be launched
 #' in a [Posit Cloud](https://posit.cloud) project
-#' * `use_rscloud_badge()`: `r lifecycle::badge("deprecated")`: Use
+#' * `use_rscloud_badge()`: `r lifecycle::badge("deprecated")` Use
 #' [use_posit_cloud_badge()] instead.
 #'
 #' @param badge_name Badge name. Used in error message and alt text
 #' @param href,src Badge link and image src
 #' @param stage Stage of the package lifecycle. One of "experimental",
 #'   "stable", "superseded", or "deprecated".
+#' @eval param_repo_spec()
 #' @seealso [use_github_action()] helps with the setup of various continuous
 #'   integration workflows, some of which will call these specialized badge
 #'   helpers.
@@ -144,6 +150,35 @@ use_binder_badge <- function(ref = git_default_branch(), urlpath = NULL) {
 
   invisible(TRUE)
 }
+#' @rdname badges
+#' @export
+use_r_universe_badge <- function(repo_spec = NULL) {
+  check_is_package("use_r_universe_badge()")
+  pkg <- project_name()
+
+  if (is.null(repo_spec)) {
+    this_env <- current_call()
+    tryCatch(
+      github_url <- github_url(),
+      error = function(e) {
+        ui_abort(
+          c(
+            "x" = "Can't determine the R-universe owner of the {.pkg {pkg}} package.",
+            "!" = "No GitHub URL found in DESCRIPTION or the Git remotes.",
+            "i" = "Update the project configuration or provide an explicit {.arg repo_spec}."
+          ),
+          call = this_env
+        )
+      }
+    )
+    repo_spec <- parse_repo_url(github_url)[["repo_spec"]]
+  }
+
+  owner <- parse_repo_spec(repo_spec)[["owner"]]
+  src <- glue("https://{owner}.r-universe.dev/{pkg}/badges/version")
+  href <- glue("https://{owner}.r-universe.dev/{pkg}")
+  use_badge("R-universe version", href, src)
+}
 
 #' @rdname badges
 #' @param url A link to an existing [Posit Cloud](https://posit.cloud)

README.Rmd

@@ -22,6 +22,7 @@ knitr::opts_chunk$set(
 [![CRAN status](https://www.r-pkg.org/badges/version/usethis)](https://CRAN.R-project.org/package=usethis)
 [![Lifecycle: stable](https://img.shields.io/badge/lifecycle-stable-brightgreen.svg)](https://lifecycle.r-lib.org/articles/stages.html#stable)
 [![Codecov test coverage](https://codecov.io/gh/r-lib/usethis/graph/badge.svg)](https://app.codecov.io/gh/r-lib/usethis)
+[![R-universe version](https://r-lib.r-universe.dev/usethis/badges/version)](https://r-lib.r-universe.dev/usethis)
 <!-- badges: end -->
 
 usethis is a workflow package: it automates repetitive tasks that arise during project setup and development, both for R packages and non-package projects.

README.md

@@ -12,6 +12,8 @@ status](https://www.r-pkg.org/badges/version/usethis)](https://CRAN.R-project.or
 stable](https://img.shields.io/badge/lifecycle-stable-brightgreen.svg)](https://lifecycle.r-lib.org/articles/stages.html#stable)
 [![Codecov test
 coverage](https://codecov.io/gh/r-lib/usethis/graph/badge.svg)](https://app.codecov.io/gh/r-lib/usethis)
+[![R-universe
+version](https://r-lib.r-universe.dev/usethis/badges/version)](https://r-lib.r-universe.dev/usethis)
 <!-- badges: end -->
 
 usethis is a workflow package: it automates repetitive tasks that arise

tests/testthat/_snaps/badge.md

@@ -7,6 +7,55 @@
       ! `stage` must be one of "experimental", "stable", "superseded", or "deprecated", not "eperimental".
       i Did you mean "experimental"?
 
+# use_r_universe_badge() needs to know the owner
+
+    Code
+      use_r_universe_badge()
+    Condition
+      Error in `use_r_universe_badge()`:
+      x Can't determine the R-universe owner of the {TESTPKG} package.
+      ! No GitHub URL found in DESCRIPTION or the Git remotes.
+      i Update the project configuration or provide an explicit `repo_spec`.
+
+---
+
+    Code
+      use_r_universe_badge("OWNER_DIRECT/SCRUBBED")
+    Message
+      ! Can't find a README for the current project.
+      i See `usethis::use_readme_rmd()` for help creating this file.
+      i Badge link will only be printed to screen.
+      [ ] Copy and paste the following lines into 'README':
+        <!-- badges: start -->
+        [![R-universe version](https://OWNER_DIRECT.r-universe.dev/{TESTPKG}/badges/version)](https://OWNER_DIRECT.r-universe.dev/{TESTPKG})
+        <!-- badges: end -->
+
+---
+
+    Code
+      use_r_universe_badge()
+    Message
+      ! Can't find a README for the current project.
+      i See `usethis::use_readme_rmd()` for help creating this file.
+      i Badge link will only be printed to screen.
+      [ ] Copy and paste the following lines into 'README':
+        <!-- badges: start -->
+        [![R-universe version](https://OWNER_DESCRIPTION.r-universe.dev/{TESTPKG}/badges/version)](https://OWNER_DESCRIPTION.r-universe.dev/{TESTPKG})
+        <!-- badges: end -->
+
+---
+
+    Code
+      use_r_universe_badge()
+    Message
+      ! Can't find a README for the current project.
+      i See `usethis::use_readme_rmd()` for help creating this file.
+      i Badge link will only be printed to screen.
+      [ ] Copy and paste the following lines into 'README':
+        <!-- badges: start -->
+        [![R-universe version](https://OWNER_ORIGIN.r-universe.dev/{TESTPKG}/badges/version)](https://OWNER_ORIGIN.r-universe.dev/{TESTPKG})
+        <!-- badges: end -->
+
 # use_posit_cloud_badge() handles bad and good input
 
     Code

tests/testthat/test-badge.R

@@ -24,6 +24,37 @@ test_that("use_binder_badge() needs a github repository", {
   )
 })
 
+test_that("use_r_universe_badge() needs to know the owner", {
+  skip_if_no_git_user()
+  local_interactive(FALSE)
+  withr::local_options(usethis.quiet = FALSE)
+  create_local_package()
+
+  expect_snapshot(
+    error = TRUE,
+    use_r_universe_badge(),
+    transform = scrub_testpkg
+  )
+
+  expect_snapshot(
+    use_r_universe_badge("OWNER_DIRECT/SCRUBBED"),
+    transform = scrub_testpkg
+  )
+
+  desc::desc_set_urls("https://github.com/OWNER_DESCRIPTION/SCRUBBED")
+  expect_snapshot(
+    use_r_universe_badge(),
+    transform = scrub_testpkg
+  )
+
+  use_git()
+  use_git_remote("origin", "https://github.com/OWNER_ORIGIN/SCRUBBED.git")
+  expect_snapshot(
+    use_r_universe_badge(),
+    transform = scrub_testpkg
+  )
+})
+
 test_that("use_posit_cloud_badge() handles bad and good input", {
   create_local_project()
   expect_snapshot(use_posit_cloud_badge(), error = TRUE)