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Copy pathempty_template_activate.R
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440 lines (318 loc) · 11.8 KB
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local({
# the requested version of renv
version <- "0.12.5"
# the project directory
project <- getwd()
# avoid recursion
if (!is.na(Sys.getenv("RENV_R_INITIALIZING", unset = NA)))
return(invisible(TRUE))
# signal that we're loading renv during R startup
Sys.setenv("RENV_R_INITIALIZING" = "true")
on.exit(Sys.unsetenv("RENV_R_INITIALIZING"), add = TRUE)
# signal that we've consented to use renv
options(renv.consent = TRUE)
# load the 'utils' package eagerly -- this ensures that renv shims, which
# mask 'utils' packages, will come first on the search path
library(utils, lib.loc = .Library)
# check to see if renv has already been loaded
if ("renv" %in% loadedNamespaces()) {
# if renv has already been loaded, and it's the requested version of renv,
# nothing to do
spec <- .getNamespaceInfo(.getNamespace("renv"), "spec")
if (identical(spec[["version"]], version))
return(invisible(TRUE))
# otherwise, unload and attempt to load the correct version of renv
unloadNamespace("renv")
}
# load bootstrap tools
bootstrap <- function(version, library) {
# attempt to download renv
tarball <- tryCatch(renv_bootstrap_download(version), error = identity)
if (inherits(tarball, "error"))
stop("failed to download renv ", version)
# now attempt to install
status <- tryCatch(renv_bootstrap_install(version, tarball, library), error = identity)
if (inherits(status, "error"))
stop("failed to install renv ", version)
}
renv_bootstrap_tests_running <- function() {
getOption("renv.tests.running", default = FALSE)
}
renv_bootstrap_repos <- function() {
# check for repos override
repos <- Sys.getenv("RENV_CONFIG_REPOS_OVERRIDE", unset = NA)
if (!is.na(repos))
return(repos)
# if we're testing, re-use the test repositories
if (renv_bootstrap_tests_running())
return(getOption("renv.tests.repos"))
# retrieve current repos
repos <- getOption("repos")
# ensure @CRAN@ entries are resolved
repos[repos == "@CRAN@"] <- "https://cloud.r-project.org"
# add in renv.bootstrap.repos if set
default <- c(CRAN = "https://cloud.r-project.org")
extra <- getOption("renv.bootstrap.repos", default = default)
repos <- c(repos, extra)
# remove duplicates that might've snuck in
dupes <- duplicated(repos) | duplicated(names(repos))
repos[!dupes]
}
renv_bootstrap_download <- function(version) {
# if the renv version number has 4 components, assume it must
# be retrieved via github
nv <- numeric_version(version)
components <- unclass(nv)[[1]]
methods <- if (length(components) == 4L) {
list(
renv_bootstrap_download_github
)
} else {
list(
renv_bootstrap_download_cran_latest,
renv_bootstrap_download_cran_archive
)
}
for (method in methods) {
path <- tryCatch(method(version), error = identity)
if (is.character(path) && file.exists(path))
return(path)
}
stop("failed to download renv ", version)
}
renv_bootstrap_download_impl <- function(url, destfile) {
mode <- "wb"
# https://bugs.r-project.org/bugzilla/show_bug.cgi?id=17715
fixup <-
Sys.info()[["sysname"]] == "Windows" &&
substring(url, 1L, 5L) == "file:"
if (fixup)
mode <- "w+b"
utils::download.file(
url = url,
destfile = destfile,
mode = mode,
quiet = TRUE
)
}
renv_bootstrap_download_cran_latest <- function(version) {
repos <- renv_bootstrap_download_cran_latest_find(version)
message("* Downloading renv ", version, " from CRAN ... ", appendLF = FALSE)
info <- tryCatch(
utils::download.packages(
pkgs = "renv",
repos = repos,
destdir = tempdir(),
quiet = TRUE
),
condition = identity
)
if (inherits(info, "condition")) {
message("FAILED")
return(FALSE)
}
message("OK")
info[1, 2]
}
renv_bootstrap_download_cran_latest_find <- function(version) {
all <- renv_bootstrap_repos()
for (repos in all) {
db <- tryCatch(
as.data.frame(
x = utils::available.packages(repos = repos),
stringsAsFactors = FALSE
),
error = identity
)
if (inherits(db, "error"))
next
entry <- db[db$Package %in% "renv" & db$Version %in% version, ]
if (nrow(entry) == 0)
next
return(repos)
}
fmt <- "renv %s is not available from your declared package repositories"
stop(sprintf(fmt, version))
}
renv_bootstrap_download_cran_archive <- function(version) {
name <- sprintf("renv_%s.tar.gz", version)
repos <- renv_bootstrap_repos()
urls <- file.path(repos, "src/contrib/Archive/renv", name)
destfile <- file.path(tempdir(), name)
message("* Downloading renv ", version, " from CRAN archive ... ", appendLF = FALSE)
for (url in urls) {
status <- tryCatch(
renv_bootstrap_download_impl(url, destfile),
condition = identity
)
if (identical(status, 0L)) {
message("OK")
return(destfile)
}
}
message("FAILED")
return(FALSE)
}
renv_bootstrap_download_github <- function(version) {
enabled <- Sys.getenv("RENV_BOOTSTRAP_FROM_GITHUB", unset = "TRUE")
if (!identical(enabled, "TRUE"))
return(FALSE)
# prepare download options
pat <- Sys.getenv("GITHUB_PAT")
if (nzchar(Sys.which("curl")) && nzchar(pat)) {
fmt <- "--location --fail --header \"Authorization: token %s\""
extra <- sprintf(fmt, pat)
saved <- options("download.file.method", "download.file.extra")
options(download.file.method = "curl", download.file.extra = extra)
on.exit(do.call(base::options, saved), add = TRUE)
} else if (nzchar(Sys.which("wget")) && nzchar(pat)) {
fmt <- "--header=\"Authorization: token %s\""
extra <- sprintf(fmt, pat)
saved <- options("download.file.method", "download.file.extra")
options(download.file.method = "wget", download.file.extra = extra)
on.exit(do.call(base::options, saved), add = TRUE)
}
message("* Downloading renv ", version, " from GitHub ... ", appendLF = FALSE)
url <- file.path("https://api.github.com/repos/rstudio/renv/tarball", version)
name <- sprintf("renv_%s.tar.gz", version)
destfile <- file.path(tempdir(), name)
status <- tryCatch(
renv_bootstrap_download_impl(url, destfile),
condition = identity
)
if (!identical(status, 0L)) {
message("FAILED")
return(FALSE)
}
message("OK")
return(destfile)
}
renv_bootstrap_install <- function(version, tarball, library) {
# attempt to install it into project library
message("* Installing renv ", version, " ... ", appendLF = FALSE)
dir.create(library, showWarnings = FALSE, recursive = TRUE)
# invoke using system2 so we can capture and report output
bin <- R.home("bin")
exe <- if (Sys.info()[["sysname"]] == "Windows") "R.exe" else "R"
r <- file.path(bin, exe)
args <- c("--vanilla", "CMD", "INSTALL", "-l", shQuote(library), shQuote(tarball))
output <- system2(r, args, stdout = TRUE, stderr = TRUE)
message("Done!")
# check for successful install
status <- attr(output, "status")
if (is.numeric(status) && !identical(status, 0L)) {
header <- "Error installing renv:"
lines <- paste(rep.int("=", nchar(header)), collapse = "")
text <- c(header, lines, output)
writeLines(text, con = stderr())
}
status
}
renv_bootstrap_prefix <- function() {
# construct version prefix
version <- paste(R.version$major, R.version$minor, sep = ".")
prefix <- paste("R", numeric_version(version)[1, 1:2], sep = "-")
# include SVN revision for development versions of R
# (to avoid sharing platform-specific artefacts with released versions of R)
devel <-
identical(R.version[["status"]], "Under development (unstable)") ||
identical(R.version[["nickname"]], "Unsuffered Consequences")
if (devel)
prefix <- paste(prefix, R.version[["svn rev"]], sep = "-r")
# build list of path components
components <- c(prefix, R.version$platform)
# include prefix if provided by user
prefix <- Sys.getenv("RENV_PATHS_PREFIX")
if (nzchar(prefix))
components <- c(prefix, components)
# build prefix
paste(components, collapse = "/")
}
renv_bootstrap_library_root_name <- function(project) {
# use project name as-is if requested
asis <- Sys.getenv("RENV_PATHS_LIBRARY_ROOT_ASIS", unset = "FALSE")
if (asis)
return(basename(project))
# otherwise, disambiguate based on project's path
id <- substring(renv_bootstrap_hash_text(project), 1L, 8L)
paste(basename(project), id, sep = "-")
}
renv_bootstrap_library_root <- function(project) {
path <- Sys.getenv("RENV_PATHS_LIBRARY", unset = NA)
if (!is.na(path))
return(path)
path <- Sys.getenv("RENV_PATHS_LIBRARY_ROOT", unset = NA)
if (!is.na(path)) {
name <- renv_bootstrap_library_root_name(project)
return(file.path(path, name))
}
file.path(project, "renv/library")
}
renv_bootstrap_validate_version <- function(version) {
loadedversion <- utils::packageDescription("renv", fields = "Version")
if (version == loadedversion)
return(TRUE)
# assume four-component versions are from GitHub; three-component
# versions are from CRAN
components <- strsplit(loadedversion, "[.-]")[[1]]
remote <- if (length(components) == 4L)
paste("rstudio/renv", loadedversion, sep = "@")
else
paste("renv", loadedversion, sep = "@")
fmt <- paste(
"renv %1$s was loaded from project library, but this project is configured to use renv %2$s.",
"Use `renv::record(\"%3$s\")` to record renv %1$s in the lockfile.",
"Use `renv::restore(packages = \"renv\")` to install renv %2$s into the project library.",
sep = "\n"
)
msg <- sprintf(fmt, loadedversion, version, remote)
warning(msg, call. = FALSE)
FALSE
}
renv_bootstrap_hash_text <- function(text) {
hashfile <- tempfile("renv-hash-")
on.exit(unlink(hashfile), add = TRUE)
writeLines(text, con = hashfile)
tools::md5sum(hashfile)
}
renv_bootstrap_load <- function(project, libpath, version) {
# try to load renv from the project library
if (!requireNamespace("renv", lib.loc = libpath, quietly = TRUE))
return(FALSE)
# warn if the version of renv loaded does not match
renv_bootstrap_validate_version(version)
# load the project
renv::load(project)
TRUE
}
# construct path to library root
root <- renv_bootstrap_library_root(project)
# construct library prefix for platform
prefix <- renv_bootstrap_prefix()
# construct full libpath
libpath <- file.path(root, prefix)
# attempt to load
if (renv_bootstrap_load(project, libpath, version))
return(TRUE)
# load failed; inform user we're about to bootstrap
prefix <- paste("# Bootstrapping renv", version)
postfix <- paste(rep.int("-", 77L - nchar(prefix)), collapse = "")
header <- paste(prefix, postfix)
message(header)
# perform bootstrap
bootstrap(version, libpath)
# exit early if we're just testing bootstrap
if (!is.na(Sys.getenv("RENV_BOOTSTRAP_INSTALL_ONLY", unset = NA)))
return(TRUE)
# try again to load
if (requireNamespace("renv", lib.loc = libpath, quietly = TRUE)) {
message("* Successfully installed and loaded renv ", version, ".")
return(renv::load())
}
# failed to download or load renv; warn the user
msg <- c(
"Failed to find an renv installation: the project will not be loaded.",
"Use `renv::activate()` to re-initialize the project."
)
warning(paste(msg, collapse = "\n"), call. = FALSE)
})
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