Captures the expression and executes it when running the step.
An optional preparatory expression can be provided that is executed
during preparation.
If the top-level expression is a qualified function call (of the format
package::fun()), the package is installed during preparation.
Arguments
- call
[call]
An arbitrary R expression executed during the stage to which this step is added. The default is useful if you only passprepare_call.- prepare_call
[call]
An optional arbitrary R expression executed during preparation.
See also
Other steps:
step_add_to_drat(),
step_add_to_known_hosts(),
step_build_pkgdown(),
step_do_push_deploy(),
step_hello_world(),
step_install_pkg,
step_install_ssh_keys(),
step_push_deploy(),
step_session_info(),
step_setup_push_deploy(),
step_setup_ssh(),
step_test_ssh(),
step_write_text_file()
Examples
dsl_init()
#> ✔ Creating a clean tic stage configuration
#> ℹ See `?tic::dsl_get` for details
get_stage("install") %>%
add_step(step_run_code(update.packages(ask = FALSE)))
# Will install covr from CRAN during preparation:
get_stage("after_success") %>%
add_code_step(covr::codecov())
dsl_get()
#> ── tic configuration summary ───────────────────────────────────────────────────
#> ── Stage: install ──────────────────────────────────────────────────────────────
#> ▶ step_run_code(update.packages(ask=FALSE))
#> ── Stage: after_success ────────────────────────────────────────────────────────
#> ▶ step_run_code(covr::codecov())