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#' Deploy a pkgdown site on Travis-CI to Github Pages
#'
#' @description
#' `r lifecycle::badge('superseded')`
#'
#' `deploy_site_github()` was designed to deploy your site from Travis CI,
#' which we no longer recommend, so this function is deprecated. There are
#' two replacements:
#'
#' * [usethis::use_pkgdown_github_pages()] will setup a GitHub action to
#' automatically build and deploy your package website to GitHub pages.
#'
#' * [deploy_to_branch()] can be called locally to build and deploy your
#' website to any desired branch.
#'
#' @inheritParams build_site
#' @param install Optionally, opt-out of automatic installation. This is
#' necessary if the package you're documenting is a dependency of pkgdown
#' @param tarball The location of the built package tarball. The default Travis
#' configuration for R packages sets `PKG_TARBALL` to this path.
#' @param ssh_id The private id to use, a base64 encoded content of the private
#' pem file. This should _not_ be your personal private key. Instead create a
#' new keypair specifically for deploying the site. The easiest way is to use
#' `travis::use_travis_deploy()`.
#' @param commit_message The commit message to be used for the commit.
#' @param clean Clean all files from old site.
#' @param verbose Print verbose output
#' @param ... Additional arguments passed to [build_site()].
#' @param host The GitHub host url.
#' @param repo_slug The `user/repo` slug for the repository.
#' @export
#' @keywords internal
deploy_site_github <- function(
pkg = ".",
install = TRUE,
tarball = Sys.getenv("PKG_TARBALL", ""),
ssh_id = Sys.getenv("id_rsa", ""),
commit_message = construct_commit_message(pkg),
clean = FALSE,
verbose = FALSE,
host = "github.com",
...,
repo_slug = Sys.getenv("TRAVIS_REPO_SLUG", "")) {
rlang::check_installed("openssl")
if (!nzchar(tarball)) {
cli::cli_abort("No built tarball detected, please provide the location of one with {.var tarball}", call = caller_env())
}
if (!nzchar(ssh_id)) {
cli::cli_abort("No deploy key found, please setup with {.fn travis::use_travis_deploy}", call = caller_env())
}
if (!nzchar(repo_slug)) {
cli::cli_abort("No repo detected, please supply one with {.var repo_slug}", call = caller_env())
}
cli::cli_alert("Deploying site to GitHub")
if (install) {
cli::cli_inform("Installing package")
callr::rcmd("INSTALL", tarball, show = verbose, fail_on_status = TRUE)
}
ssh_id_file <- "~/.ssh/id_rsa"
cli::cli_inform("Setting up SSH id")
cli::cli_inform("Copying private key to {.file ssh_id_file}")
write_lines(rawToChar(openssl::base64_decode(ssh_id)), ssh_id_file)
cli::cli_inform("Setting private key permissions to 0600")
file_chmod(ssh_id_file, "0600")
cli::cli_inform("Setting remote to use the ssh url")
git("remote", "set-url", "origin", sprintf("git@%s:%s.git", host, repo_slug))
deploy_to_branch(
pkg,
commit_message = commit_message,
clean = clean,
branch = "gh-pages",
...
)
cli::cli_inform(c(v = "Deploy completed"))
}
#' Build and deploy a site locally
#'
#' Assumes that you're in a git clone of the project, and the package is
#' already installed. Use [usethis::use_pkgdown_github_pages()] to automate
#' this process using GitHub actions.
#'
#' @param branch The git branch to deploy to
#' @param remote The git remote to deploy to
#' @param github_pages Is this a GitHub pages deploy. If `TRUE`, adds a `CNAME`
#' file for custom domain name support, and a `.nojekyll` file to suppress
#' jekyll rendering.
#' @param ... Additional arguments passed to [build_site()].
#' @param subdir The sub-directory where the site should be built on the branch.
#' This argument can be used to support a number of site configurations.
#' For example, you could build version-specific documentation by setting
#' `subdir = "v1.2.3"`; `deploy_to_branch()` will build and deploy the
#' package documentation in the `v.1.2.3/` directory of your site.
#' @inheritParams build_site
#' @inheritParams deploy_site_github
#' @export
deploy_to_branch <- function(pkg = ".",
commit_message = construct_commit_message(pkg),
clean = TRUE,
branch = "gh-pages",
remote = "origin",
github_pages = (branch == "gh-pages"),
...,
subdir = NULL) {
dest_dir <- dir_create(file_temp())
on.exit(dir_delete(dest_dir))
if (!git_has_remote_branch(remote, branch)) {
old_branch <- git_current_branch()
# If no remote branch, we need to create it
git("checkout", "--orphan", branch)
git("rm", "-rf", "--quiet", ".")
git("commit", "--allow-empty", "-m", sprintf("Initializing %s branch", branch))
git("push", remote, paste0("HEAD:", branch))
# checkout the previous branch
git("checkout", old_branch)
}
# Explicitly set the branches tracked by the origin remote.
# Needed if we are using a shallow clone, such as on travis-CI
git("remote", "set-branches", "--add", remote, branch)
git("fetch", remote, branch)
github_worktree_add(dest_dir, remote, branch)
on.exit(github_worktree_remove(dest_dir), add = TRUE)
site_dest_dir <-
if (!is.null(subdir)) {
dir_create(path(dest_dir, subdir))
} else {
dest_dir
}
pkg <- as_pkgdown(pkg, override = list(destination = site_dest_dir))
if (!is.null(subdir) && !is.null(pkg$meta$url)) {
pkg$meta$url <- path(pkg$meta$url, subdir)
}
build_site_github_pages(pkg, ..., clean = clean)
github_push(dest_dir, commit_message, remote, branch)
invisible()
}
git_has_remote_branch <- function(remote, branch) {
has_remote_branch <- git("ls-remote", "--quiet", "--exit-code", remote, branch, echo = FALSE, echo_cmd = FALSE, error_on_status = FALSE)$status == 0
}
git_current_branch <- function() {
branch <- git("rev-parse", "--abbrev-ref", "HEAD", echo = FALSE, echo_cmd = FALSE)$stdout
sub("\n$", "", branch)
}
github_worktree_add <- function(dir, remote, branch) {
cli::cli_inform("Adding worktree")
git("worktree",
"add",
"--track", "-B", branch,
dir,
paste0(remote, "/", branch)
)
}
github_worktree_remove <- function(dir) {
cli::cli_inform("Removing worktree")
git("worktree", "remove", dir)
}
github_push <- function(dir, commit_message, remote, branch) {
# force execution before changing working directory
force(commit_message)
cli::cli_inform("Commiting updated site")
withr::with_dir(dir, {
git("add", "-A", ".")
git("commit", "--allow-empty", "-m", commit_message)
cli::cli_alert("Deploying to GitHub Pages")
git("remote", "-v")
git("push", "--force", remote, paste0("HEAD:", branch))
})
}
git <- function(..., echo_cmd = TRUE, echo = TRUE, error_on_status = TRUE) {
callr::run("git", c(...), echo_cmd = echo_cmd, echo = echo, error_on_status = error_on_status)
}
construct_commit_message <- function(pkg = ".", commit = ci_commit_sha()) {
pkg <- as_pkgdown(pkg)
cli::format_inline("Built site for {pkg$package}@{pkg$version}: {substr(commit, 1, 7)}")
}
ci_commit_sha <- function() {
env_vars <- c(
# https://docs.travis-ci.com/user/environment-variables/#default-environment-variables
"TRAVIS_COMMIT",
# https://help.github.com/en/actions/configuring-and-managing-workflows/using-environment-variables#default-environment-variables
"GITHUB_SHA"
)
for (var in env_vars) {
commit_sha <- Sys.getenv(var, "")
if (commit_sha != "")
return(commit_sha)
}
""
}
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