activate.R
local({
# the requested version of renv
version <- "0.17.3"
# the project directory
project <- getwd()
# figure out whether the autoloader is enabled
enabled <- local({
# first, check config option
override <- getOption("renv.config.autoloader.enabled")
if (!is.null(override))
return(override)
# next, check environment variables
# TODO: prefer using the configuration one in the future
envvars <- c(
"RENV_CONFIG_AUTOLOADER_ENABLED",
"RENV_AUTOLOADER_ENABLED",
"RENV_ACTIVATE_PROJECT"
)
for (envvar in envvars) {
envval <- Sys.getenv(envvar, unset = NA)
if (!is.na(envval))
return(tolower(envval) %in% c("true", "t", "1"))
}
# enable by default
TRUE
})
if (!enabled)
return(FALSE)
# avoid recursion
if (identical(getOption("renv.autoloader.running"), TRUE)) {
warning("ignoring recursive attempt to run renv autoloader")
return(invisible(TRUE))
}
# signal that we're loading renv during R startup
options(renv.autoloader.running = TRUE)
on.exit(options(renv.autoloader.running = NULL), 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)
# unload renv if it's already been loaded
if ("renv" %in% loadedNamespaces())
unloadNamespace("renv")
# load bootstrap tools
`%||%` <- function(x, y) {
if (is.environment(x) || length(x)) x else y
}
`%??%` <- function(x, y) {
if (is.null(x)) y else x
}
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() {
# get CRAN repository
cran <- getOption("renv.repos.cran", "https://cloud.r-project.org")
# check for repos override
repos <- Sys.getenv("RENV_CONFIG_REPOS_OVERRIDE", unset = NA)
if (!is.na(repos)) {
# check for RSPM; if set, use a fallback repository for renv
rspm <- Sys.getenv("RSPM", unset = NA)
if (identical(rspm, repos))
repos <- c(RSPM = rspm, CRAN = cran)
return(repos)
}
# check for lockfile repositories
repos <- tryCatch(renv_bootstrap_repos_lockfile(), error = identity)
if (!inherits(repos, "error") && length(repos))
return(repos)
# if we're testing, re-use the test repositories
if (renv_bootstrap_tests_running()) {
repos <- getOption("renv.tests.repos")
if (!is.null(repos))
return(repos)
}
# retrieve current repos
repos <- getOption("repos")
# ensure @CRAN@ entries are resolved
repos[repos == "@CRAN@"] <- cran
# add in renv.bootstrap.repos if set
default <- c(FALLBACK = "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_repos_lockfile <- function() {
lockpath <- Sys.getenv("RENV_PATHS_LOCKFILE", unset = "renv.lock")
if (!file.exists(lockpath))
return(NULL)
lockfile <- tryCatch(renv_json_read(lockpath), error = identity)
if (inherits(lockfile, "error")) {
warning(lockfile)
return(NULL)
}
repos <- lockfile$R$Repositories
if (length(repos) == 0)
return(NULL)
keys <- vapply(repos, `[[`, "Name", FUN.VALUE = character(1))
vals <- vapply(repos, `[[`, "URL", FUN.VALUE = character(1))
names(vals) <- keys
return(vals)
}
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]]
# if this appears to be a development version of 'renv', we'll
# try to restore from github
dev <- length(components) == 4L
# begin collecting different methods for finding renv
methods <- c(
renv_bootstrap_download_tarball,
if (dev)
renv_bootstrap_download_github
else c(
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"
args <- list(
url = url,
destfile = destfile,
mode = mode,
quiet = TRUE
)
if ("headers" %in% names(formals(utils::download.file)))
args$headers <- renv_bootstrap_download_custom_headers(url)
do.call(utils::download.file, args)
}
renv_bootstrap_download_custom_headers <- function(url) {
headers <- getOption("renv.download.headers")
if (is.null(headers))
return(character())
if (!is.function(headers))
stopf("'renv.download.headers' is not a function")
headers <- headers(url)
if (length(headers) == 0L)
return(character())
if (is.list(headers))
headers <- unlist(headers, recursive = FALSE, use.names = TRUE)
ok <-
is.character(headers) &&
is.character(names(headers)) &&
all(nzchar(names(headers)))
if (!ok)
stop("invocation of 'renv.download.headers' did not return a named character vector")
headers
}
renv_bootstrap_download_cran_latest <- function(version) {
spec <- renv_bootstrap_download_cran_latest_find(version)
type <- spec$type
repos <- spec$repos
message("* Downloading renv ", version, " ... ", appendLF = FALSE)
baseurl <- utils::contrib.url(repos = repos, type = type)
ext <- if (identical(type, "source"))
".tar.gz"
else if (Sys.info()[["sysname"]] == "Windows")
".zip"
else
".tgz"
name <- sprintf("renv_%s%s", version, ext)
url <- paste(baseurl, name, sep = "/")
destfile <- file.path(tempdir(), name)
status <- tryCatch(
renv_bootstrap_download_impl(url, destfile),
condition = identity
)
if (inherits(status, "condition")) {
message("FAILED")
return(FALSE)
}
# report success and return
message("OK (downloaded ", type, ")")
destfile
}
renv_bootstrap_download_cran_latest_find <- function(version) {
# check whether binaries are supported on this system
binary <-
getOption("renv.bootstrap.binary", default = TRUE) &&
!identical(.Platform$pkgType, "source") &&
!identical(getOption("pkgType"), "source") &&
Sys.info()[["sysname"]] %in% c("Darwin", "Windows")
types <- c(if (binary) "binary", "source")
# iterate over types + repositories
for (type in types) {
for (repos in renv_bootstrap_repos()) {
# retrieve package database
db <- tryCatch(
as.data.frame(
utils::available.packages(type = type, repos = repos),
stringsAsFactors = FALSE
),
error = identity
)
if (inherits(db, "error"))
next
# check for compatible entry
entry <- db[db$Package %in% "renv" & db$Version %in% version, ]
if (nrow(entry) == 0)
next
# found it; return spec to caller
spec <- list(entry = entry, type = type, repos = repos)
return(spec)
}
}
# if we got here, we failed to find renv
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, " ... ", 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_tarball <- function(version) {
# if the user has provided the path to a tarball via
# an environment variable, then use it
tarball <- Sys.getenv("RENV_BOOTSTRAP_TARBALL", unset = NA)
if (is.na(tarball))
return()
# allow directories
if (dir.exists(tarball)) {
name <- sprintf("renv_%s.tar.gz", version)
tarball <- file.path(tarball, name)
}
# bail if it doesn't exist
if (!file.exists(tarball)) {
# let the user know we weren't able to honour their request
fmt <- "* RENV_BOOTSTRAP_TARBALL is set (%s) but does not exist."
msg <- sprintf(fmt, tarball)
warning(msg)
# bail
return()
}
fmt <- "* Bootstrapping with tarball at path '%s'."
msg <- sprintf(fmt, tarball)
message(msg)
tarball
}
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", "--no-multiarch",
"-l", shQuote(path.expand(library)),
shQuote(path.expand(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_platform_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$platform)
# include prefix if provided by user
prefix <- renv_bootstrap_platform_prefix_impl()
if (!is.na(prefix) && nzchar(prefix))
components <- c(prefix, components)
# build prefix
paste(components, collapse = "/")
}
renv_bootstrap_platform_prefix_impl <- function() {
# if an explicit prefix has been supplied, use it
prefix <- Sys.getenv("RENV_PATHS_PREFIX", unset = NA)
if (!is.na(prefix))
return(prefix)
# if the user has requested an automatic prefix, generate it
auto <- Sys.getenv("RENV_PATHS_PREFIX_AUTO", unset = NA)
if (auto %in% c("TRUE", "True", "true", "1"))
return(renv_bootstrap_platform_prefix_auto())
# empty string on failure
""
}
renv_bootstrap_platform_prefix_auto <- function() {
prefix <- tryCatch(renv_bootstrap_platform_os(), error = identity)
if (inherits(prefix, "error") || prefix %in% "unknown") {
msg <- paste(
"failed to infer current operating system",
"please file a bug report at https://github.com/rstudio/renv/issues",
sep = "; "
)
warning(msg)
}
prefix
}
renv_bootstrap_platform_os <- function() {
sysinfo <- Sys.info()
sysname <- sysinfo[["sysname"]]
# handle Windows + macOS up front
if (sysname == "Windows")
return("windows")
else if (sysname == "Darwin")
return("macos")
# check for os-release files
for (file in c("/etc/os-release", "/usr/lib/os-release"))
if (file.exists(file))
return(renv_bootstrap_platform_os_via_os_release(file, sysinfo))
# check for redhat-release files
if (file.exists("/etc/redhat-release"))
return(renv_bootstrap_platform_os_via_redhat_release())
"unknown"
}
renv_bootstrap_platform_os_via_os_release <- function(file, sysinfo) {
# read /etc/os-release
release <- utils::read.table(
file = file,
sep = "=",
quote = c("\"", "'"),
col.names = c("Key", "Value"),
comment.char = "#",
stringsAsFactors = FALSE
)
vars <- as.list(release$Value)
names(vars) <- release$Key
# get os name
os <- tolower(sysinfo[["sysname"]])
# read id
id <- "unknown"
for (field in c("ID", "ID_LIKE")) {
if (field %in% names(vars) && nzchar(vars[[field]])) {
id <- vars[[field]]
break
}
}
# read version
version <- "unknown"
for (field in c("UBUNTU_CODENAME", "VERSION_CODENAME", "VERSION_ID", "BUILD_ID")) {
if (field %in% names(vars) && nzchar(vars[[field]])) {
version <- vars[[field]]
break
}
}
# join together
paste(c(os, id, version), collapse = "-")
}
renv_bootstrap_platform_os_via_redhat_release <- function() {
# read /etc/redhat-release
contents <- readLines("/etc/redhat-release", warn = FALSE)
# infer id
id <- if (grepl("centos", contents, ignore.case = TRUE))
"centos"
else if (grepl("redhat", contents, ignore.case = TRUE))
"redhat"
else
"unknown"
# try to find a version component (very hacky)
version <- "unknown"
parts <- strsplit(contents, "[[:space:]]")[[1L]]
for (part in parts) {
nv <- tryCatch(numeric_version(part), error = identity)
if (inherits(nv, "error"))
next
version <- nv[1, 1]
break
}
paste(c("linux", id, version), 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) {
prefix <- renv_bootstrap_profile_prefix()
path <- Sys.getenv("RENV_PATHS_LIBRARY", unset = NA)
if (!is.na(path))
return(paste(c(path, prefix), collapse = "/"))
path <- renv_bootstrap_library_root_impl(project)
if (!is.null(path)) {
name <- renv_bootstrap_library_root_name(project)
return(paste(c(path, prefix, name), collapse = "/"))
}
renv_bootstrap_paths_renv("library", project = project)
}
renv_bootstrap_library_root_impl <- function(project) {
root <- Sys.getenv("RENV_PATHS_LIBRARY_ROOT", unset = NA)
if (!is.na(root))
return(root)
type <- renv_bootstrap_project_type(project)
if (identical(type, "package")) {
userdir <- renv_bootstrap_user_dir()
return(file.path(userdir, "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)
# execute renv load hooks, if any
hooks <- getHook("renv::autoload")
for (hook in hooks)
if (is.function(hook))
tryCatch(hook(), error = warning)
# load the project
renv::load(project)
TRUE
}
renv_bootstrap_profile_load <- function(project) {
# if RENV_PROFILE is already set, just use that
profile <- Sys.getenv("RENV_PROFILE", unset = NA)
if (!is.na(profile) && nzchar(profile))
return(profile)
# check for a profile file (nothing to do if it doesn't exist)
path <- renv_bootstrap_paths_renv("profile", profile = FALSE, project = project)
if (!file.exists(path))
return(NULL)
# read the profile, and set it if it exists
contents <- readLines(path, warn = FALSE)
if (length(contents) == 0L)
return(NULL)
# set RENV_PROFILE
profile <- contents[[1L]]
if (!profile %in% c("", "default"))
Sys.setenv(RENV_PROFILE = profile)
profile
}
renv_bootstrap_profile_prefix <- function() {
profile <- renv_bootstrap_profile_get()
if (!is.null(profile))
return(file.path("profiles", profile, "renv"))
}
renv_bootstrap_profile_get <- function() {
profile <- Sys.getenv("RENV_PROFILE", unset = "")
renv_bootstrap_profile_normalize(profile)
}
renv_bootstrap_profile_set <- function(profile) {
profile <- renv_bootstrap_profile_normalize(profile)
if (is.null(profile))
Sys.unsetenv("RENV_PROFILE")
else
Sys.setenv(RENV_PROFILE = profile)
}
renv_bootstrap_profile_normalize <- function(profile) {
if (is.null(profile) || profile %in% c("", "default"))
return(NULL)
profile
}
renv_bootstrap_path_absolute <- function(path) {
substr(path, 1L, 1L) %in% c("~", "/", "\\") || (
substr(path, 1L, 1L) %in% c(letters, LETTERS) &&
substr(path, 2L, 3L) %in% c(":/", ":\\")
)
}
renv_bootstrap_paths_renv <- function(..., profile = TRUE, project = NULL) {
renv <- Sys.getenv("RENV_PATHS_RENV", unset = "renv")
root <- if (renv_bootstrap_path_absolute(renv)) NULL else project
prefix <- if (profile) renv_bootstrap_profile_prefix()
components <- c(root, renv, prefix, ...)
paste(components, collapse = "/")
}
renv_bootstrap_project_type <- function(path) {
descpath <- file.path(path, "DESCRIPTION")
if (!file.exists(descpath))
return("unknown")
desc <- tryCatch(
read.dcf(descpath, all = TRUE),
error = identity
)
if (inherits(desc, "error"))
return("unknown")
type <- desc$Type
if (!is.null(type))
return(tolower(type))
package <- desc$Package
if (!is.null(package))
return("package")
"unknown"
}
renv_bootstrap_user_dir <- function() {
dir <- renv_bootstrap_user_dir_impl()
path.expand(chartr("\\", "/", dir))
}
renv_bootstrap_user_dir_impl <- function() {
# use local override if set
override <- getOption("renv.userdir.override")
if (!is.null(override))
return(override)
# use R_user_dir if available
tools <- asNamespace("tools")
if (is.function(tools$R_user_dir))
return(tools$R_user_dir("renv", "cache"))
# try using our own backfill for older versions of R
envvars <- c("R_USER_CACHE_DIR", "XDG_CACHE_HOME")
for (envvar in envvars) {
root <- Sys.getenv(envvar, unset = NA)
if (!is.na(root))
return(file.path(root, "R/renv"))
}
# use platform-specific default fallbacks
if (Sys.info()[["sysname"]] == "Windows")
file.path(Sys.getenv("LOCALAPPDATA"), "R/cache/R/renv")
else if (Sys.info()[["sysname"]] == "Darwin")
"~/Library/Caches/org.R-project.R/R/renv"
else
"~/.cache/R/renv"
}
renv_json_read <- function(file = NULL, text = NULL) {
jlerr <- NULL
# if jsonlite is loaded, use that instead
if ("jsonlite" %in% loadedNamespaces()) {
json <- catch(renv_json_read_jsonlite(file, text))
if (!inherits(json, "error"))
return(json)
jlerr <- json
}
# otherwise, fall back to the default JSON reader
json <- catch(renv_json_read_default(file, text))
if (!inherits(json, "error"))
return(json)
# report an error
if (!is.null(jlerr))
stop(jlerr)
else
stop(json)
}
renv_json_read_jsonlite <- function(file = NULL, text = NULL) {
text <- paste(text %||% read(file), collapse = "\n")
jsonlite::fromJSON(txt = text, simplifyVector = FALSE)
}
renv_json_read_default <- function(file = NULL, text = NULL) {
# find strings in the JSON
text <- paste(text %||% read(file), collapse = "\n")
pattern <- '["](?:(?:\\\\.)|(?:[^"\\\\]))*?["]'
locs <- gregexpr(pattern, text, perl = TRUE)[[1]]
# if any are found, replace them with placeholders
replaced <- text
strings <- character()
replacements <- character()
if (!identical(c(locs), -1L)) {
# get the string values
starts <- locs
ends <- locs + attr(locs, "match.length") - 1L
strings <- substring(text, starts, ends)
# only keep those requiring escaping
strings <- grep("[[\\]{}:]", strings, perl = TRUE, value = TRUE)
# compute replacements
replacements <- sprintf('"\032%i\032"', seq_along(strings))
# replace the strings
mapply(function(string, replacement) {
replaced <<- sub(string, replacement, replaced, fixed = TRUE)
}, strings, replacements)
}
# transform the JSON into something the R parser understands
transformed <- replaced
transformed <- gsub("{}", "`names<-`(list(), character())", transformed, fixed = TRUE)
transformed <- gsub("[[{]", "list(", transformed, perl = TRUE)
transformed <- gsub("[]}]", ")", transformed, perl = TRUE)
transformed <- gsub(":", "=", transformed, fixed = TRUE)
text <- paste(transformed, collapse = "\n")
# parse it
json <- parse(text = text, keep.source = FALSE, srcfile = NULL)[[1L]]
# construct map between source strings, replaced strings
map <- as.character(parse(text = strings))
names(map) <- as.character(parse(text = replacements))
# convert to list
map <- as.list(map)
# remap strings in object
remapped <- renv_json_remap(json, map)
# evaluate
eval(remapped, envir = baseenv())
}
renv_json_remap <- function(json, map) {
# fix names
if (!is.null(names(json))) {
lhs <- match(names(json), names(map), nomatch = 0L)
rhs <- match(names(map), names(json), nomatch = 0L)
names(json)[rhs] <- map[lhs]
}
# fix values
if (is.character(json))
return(map[[json]] %||% json)
# handle true, false, null
if (is.name(json)) {
text <- as.character(json)
if (text == "true")
return(TRUE)
else if (text == "false")
return(FALSE)
else if (text == "null")
return(NULL)
}
# recurse
if (is.recursive(json)) {
for (i in seq_along(json)) {
json[i] <- list(renv_json_remap(json[[i]], map))
}
}
json
}
# load the renv profile, if any
renv_bootstrap_profile_load(project)
# construct path to library root
root <- renv_bootstrap_library_root(project)
# construct library prefix for platform
prefix <- renv_bootstrap_platform_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)
})
