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47 lines
1.9 KiB
47 lines
1.9 KiB
#' Retrieve Google Chrome Version Release History
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#'
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#' Reads <https://en.wikipedia.org/wiki/Google_Chrome_version_history"> to build a data
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#' frame of Google Chrome version release numbers and dates with semantic version
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#' strings parsed and separate fields added. The data frame is also arranged in
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#' order from lowest version to latest version and the `vers` column is an
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#' ordered factor.
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#'
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#' @md
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#' @param refresh if `TRUE` and there `~/.vershist` cache dir exists, will
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#' cause the version history database for apache to be rebuilt. Defaults
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#' to `FALSE` and has no effect if `~/.vershist` cache dir does not exist.
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#' @note This _only_ pulls the first release date and does not distinguish by OS.
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#' If more granular data is needed, file an issue or PR.
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#' @export
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google_chrome_version_history <- function(refresh = FALSE) {
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tech <- "google-chrome"
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if (use_cache() && (!refresh) && is_cached(tech)) return(read_from_cache(tech))
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pg <- xml2::read_html("https://en.wikipedia.org/wiki/Google_Chrome_version_history")
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dplyr::tibble(
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vers = rvest::html_nodes(pg, xpath=".//tr/td[1]") %>% rvest::html_text(trim = TRUE),
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rls_date = rvest::html_nodes(pg, xpath=".//tr/td[2]") %>%
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rvest::html_text() %>%
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stri_extract_first_regex("[[:digit:]]{4}-[[:digit:]]{2}-[[:digit:]]{2}")
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) %>%
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dplyr::filter(!is.na(rls_date)) %>%
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dplyr::mutate(rls_date = as.Date(rls_date)) %>%
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dplyr::mutate(rls_year = lubridate::year(rls_date)) %>%
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dplyr::mutate(
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vers = ifelse(stri_count_fixed(vers, ".") == 1, sprintf("%s.0", vers), vers)
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) %>%
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dplyr::distinct(vers, .keep_all=TRUE) %>%
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dplyr::bind_cols(
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semver::parse_version(.$vers) %>%
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dplyr::as_tibble()
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) %>%
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dplyr::arrange(major, minor, patch) %>%
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dplyr::mutate(vers = factor(vers, levels = vers)) -> out
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if (use_cache() && (refresh || (!is_cached(tech)))) write_to_cache(out, tech)
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out
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}
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