build-cran-binaries/docker/reprex/alpine.sh
pat-s ee15c50f53
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refactor: migrate package installation from pak to uvr (#147)
`bincraft` dropped pak in favour of uvr (5.0.x, "Dependencies and their system requirements are now installed with `uvr` instead of pak during `build_binary_package()`"), so the pipelines, helper scripts and images in this repo move with it.

## Approach

uvr is project-scoped in a way pak is not: `uvr add` refuses to run outside a project and always installs into `.uvr/library/`, and only `uvr sync` honours `--library`. So there is no one-line `pak::pak(...)` equivalent. `local/uvr-install.sh` encapsulates the dance — bootstrap a pinned uvr, mint a throwaway project under `TMPDIR`, `uvr add --no-install`, then `uvr sync --library <target>`. Keeping the project outside the checkout also keeps `uvr init`'s `.Rprofile` from hijacking `.libPaths()` for every other R call in the pipeline.

This matches what bincraft itself does (`uvr sync --install-system-deps --library <lib>`), and bincraft requires `uvr` on `PATH`, which the bootstrap provides: every pipeline that calls `bincraft::` runs `install-bincraft.R` (and therefore the bootstrap) first.

## Changes

| File | Change |
| --- | --- |
| `local/uvr-install.sh` | **New.** The single replacement for `pak::pak(...)`. Bootstraps uvr `v0.4.4`, resolves the R interpreter from `UVR_R_BIN`/`R_VERSION`/`PATH`, pins the manifest to that R's exact version, and syncs into `UVR_TARGET_LIB`/`R_LIBS_USER`. |
| `local/install-bincraft.R` | Installs `forgejo::codefloe.com/rpkgs/bincraft@<tag>` instead of a `git::` URL; keeps the `git ls-remote` tag resolution. Exports `UVR_R_BIN`/`UVR_TARGET_LIB` from `R.home()`/`.libPaths()[1]` so the per-R-minor passes target their own R and library. |
| `.crow/auto-apply-patches.yaml`, `.crow/weekly-patch-proposals.yaml`, `.crow/weekly-audit-missing.yaml`, `.crow/weekly-rebuild-missing.yaml`, `.crow/build-all-versions-install-deps.yaml` | `pak::pak(...)` → `UVR_R_BIN=/opt/R/$R_VERSION/bin/R local/uvr-install.sh ...`. The explicit `UVR_R_BIN` matters in `build-all-versions-install-deps.yaml`, which has no `R_VERSION` in its step environment. |
| `.crow/build-all-versions.yaml`, `.crow/process-updates.yaml`, `.crow/weekly-rebuild-missing.yaml` | `R_PKG_CACHE_DIR` → `UVR_CACHE_DIR` + `UVR_PACKAGES_DIR` on the same `/mnt/cache` volume, preserving the amd64-off/arm64-on split. Drops the `rm -rf .../pkgcache/_metadata/...` cleanup. |
| `local/r-minor-helpers.R`, `local/build-all.R`, `local/tests/test-trim-pkgcache.R` | Removes `trim_pkgcache_metadata()`, its every-25-packages call and its tests. uvr's cache does not mint a fresh ~70 MB snapshot per `PACKAGES` change. |
| `.crow/build-all-versions-install-deps.yaml` | Drops `pak::sysreqs_db_update()`; uvr resolves sysreqs from its vendored `r-system-requirements` rules via `--install-system-deps`. |
| `docker/Containerfile-shiny-app` | Bootstraps uvr and drives both dependency installs through one uvr project with `UVR_LIBRARY` pointed at the image's R library. |
| `docker/build-one.Dockerfile` | Ships `uvr-install.sh` at `/work/local/` so `install-bincraft.R` finds it. |
| `docker/reprex/alpine.sh` | Replaces `pak::local_install_deps()` with DESCRIPTION parsing + `uvr add`. |
| `local/test-package-loading.R` | Installs via the helper instead of `pak::pkg_install()`. |
| `README.md` | Documents uvr for sysreq inference, archived-version installs and cache clearing. |
| `renovate.json` | Tracks the `UVR_PIN` in `uvr-install.sh` via `github-releases`. |

## Behaviour notes

- **`weekly-audit-missing` still takes bincraft from the default branch**, not the latest release tag, matching what the `git::` pak call did. Called out in a comment rather than silently changed.
- **The uvr pin is repo-wide.** bincraft resolves `uvr` from `PATH` and pins no version of its own, so `UVR_PIN` in `uvr-install.sh` governs the whole pipeline.
- **Persistent caches now also benefit bincraft**, which reads `UVR_CACHE_DIR`/`UVR_PACKAGES_DIR` from the inherited pipeline environment.
- **`uvr sync` will not prune the shared library.** Pruning is disabled whenever `--library` is passed (`do_prune = prune && library_override.is_none()`), so `/mnt/cache/R-pkgs` keeps bincraft and its dependencies. The wipe-on-ABI-mismatch path is *not* similarly guarded, which is why the helper pins the manifest to the active R's exact version.
- **`plans/` and `specs/` are untouched** — they are dated records of decisions made in June 2026 and describe bincraft's then-pak-based internals; rewriting them would misstate history.

## Verification

`shellcheck`, all pre-commit hooks (on this commit's file range) and the `local/tests/` suite (100 assertions) pass.

Not yet exercised in CI: the build-env images do not ship `uvr`, so the per-step `curl install.sh` bootstrap is untested against a real image. Worth a manual `build-all-versions-install-deps` run before merging.

Reviewed-on: #147
2026-07-31 12:19:26 +00:00

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Shell

docker run --rm -it --platform linux/arm64 alpine sh
apk add --no-cache R R-dev g++ curl ca-certificates
curl -fsSL https://raw.githubusercontent.com/nbafrank/uvr/main/install.sh | UVR_INSTALL_DIR=/usr/local/bin sh
# `uvr add` always writes to .uvr/library/; only `uvr sync` honours UVR_LIBRARY,
# so add without installing and let the sync place the packages.
export UVR_LIBRARY=/usr/lib/R/library
mkdir -p /uvr && cd /uvr && uvr init --here
uvr add --no-install gert purrr && uvr sync --install-system-deps
R
package_name <- "DoE.base"
gert::git_clone(sprintf("https://github.com/cran/%s", package_name),
path = sprintf("%s/%s", tempdir(), "tmp1"),
verbose = FALSE
)
# Retrieve all tags
all_tags <- gert::git_tag_list(repo = sprintf("%s/%s", tempdir(), "tmp1"))
# filter out tags that start with R- (= non-valid ones)
all_tags <- all_tags[!grepl("R-", all_tags$name), ]
unlink(sprintf("%s/%s", tempdir(), "tmp1"), force = TRUE, recursive = TRUE)
tag <- all_tags$name
package_name <- rep(package_name, length(tag))
# uvr has no `pak::local_install_deps()`; read the DESCRIPTION of the checkout
# and `uvr add` the dependency names instead.
purrr::walk2(package_name[1], tag, \(x, y) {
print(y)
system("git config --global advice.detachedHead false")
src <- sprintf("/tmp/%s_%s", x[1], y)
system2("git", args = c(
"clone", "-q", sprintf("--branch=%s", tail(y, 1)),
sprintf("https://github.com/cran/%s", x[1]), src
))
d <- read.dcf(file.path(src, "DESCRIPTION"))
f <- intersect(colnames(d), c("Depends", "Imports", "LinkingTo"))
deps <- trimws(sub("[(].*", "", unlist(strsplit(paste(d[, f], collapse = ","), ","))))
deps <- setdiff(deps[nzchar(deps)], "R")
system2("uvr", c("add", "--no-install", deps))
system2("uvr", c("sync", "--install-system-deps"))
})