Merge pull request #9 from yannfeat/main

merge local changes

index.qmd

@@ -152,7 +152,7 @@ Yann
 
 ## Repository forked from `r-hub/repos`
 
-Canonical fields in a package repository
+Canonical fields in a package repository (DCF file)
 ```{.yaml}
 Package: bslib
 Version: 0.6.1
@@ -184,7 +184,7 @@ has_maintainer: 1
 Yann
 :::
 
-## Packages cohort validation
+## Packages cohort validation workflow
 
 ```{dot}
 digraph D {
@@ -246,7 +246,7 @@ digraph D {
 Yann
 :::
 
-## Packages cohort validation
+## Packages cohort validation workflow
 
 ```{dot}
 digraph D {
@@ -308,7 +308,7 @@ digraph D {
 Yann
 :::
 
-## Packages cohort validation
+## Packages cohort validation workflow
 
 ```{dot}
 digraph D {
@@ -370,6 +370,111 @@ digraph D {
 Yann
 :::
 
+## Implementation: get new releases from Github
+
+```{.r echo=TRUE eval=FALSE code-line-numbers="2,4-6,8,12-14,25"}
+i <- 1
+df_releases <- dplyr::tibble()
+for (i in seq_along(gh_repos)) {
+  user_repo_i <- gh_repos[i]
+  url_old_i <- packages_old[i, "DownloadURL"]
+  name_old_i <- packages_old[i, "File"]
+
+  # fetch release assets from the Github API
+  j <- 1
+  ls_releases_i <- list()
+  repeat {
+    ls_releases_ij <- gh(sprintf("GET /repos/%s/releases", user_repo_i),
+      per_page = 100, page = j
+    )
+    if (length(ls_releases_ij) == 0) {
+      break
+    }
+    ls_releases_i <- c(ls_releases_i, ls_releases_ij)
+    if (length(ls_releases_ij) < 100) {
+      break
+    }
+    j <- j + 1
+  }
+
+  # add the list of release assets to a data frame
+  df_releases <- ls_releases_i %>%
+    lapply(function(ls_releases_ij) {
+      lapply(ls_releases_ij[["assets"]], function(asset) {
+        asset["uploader"] <- NULL
+        asset
+      }) %>%
+        dplyr::bind_rows()
+    }) %>%
+    dplyr::bind_rows() %>%
+    dplyr::mutate(
+      user_repo = user_repo_i,
+      url_old = url_old_i,
+      name_old = name_old_i
+    ) %>%
+    rbind(df_releases)
+}
+```
+
+## Implementation: post-process the results
+
+```{.r echo=TRUE eval=FALSE code-line-numbers="1,7-9,14-16,23"}
+df_cmp_releases <- df_releases %>%
+  dplyr::select(
+    user_repo, name, created_at, browser_download_url, url_old,
+    name_old
+  ) %>%
+  dplyr::rename(url = browser_download_url) %>%
+  dplyr::filter(stringr::str_detect(
+    .$name, stringr::coll("R4.4_x86_64-pc-linux-gnu-ubuntu-22.04")
+  )) %>%
+  dplyr::mutate(
+    created_at = lubridate::as_datetime(created_at, format = "%Y-%Om-%dT%H:%M:%SZ"),
+    libc = stringr::str_detect(url, "\\-libc")
+  ) %>%
+  dplyr::arrange(user_repo, libc, dplyr::desc(created_at)) %>%
+  dplyr::group_by(user_repo) %>%
+  dplyr::slice_head(n = 1) %>%
+  dplyr::ungroup() %>%
+  dplyr::mutate(
+    pkg = stringr::str_split_i(user_repo, "/", 2),
+    ver = stringr::str_split_i(name, "_", 2),
+    ver_old = stringr::str_extract(url_old, "download/(.+)/", group = 1)
+  ) %>%
+  dplyr::select(pkg, name, name_old, ver, ver_old, url)
+```
+
+## Implementation: update metrics
+
+```{.r echo=TRUE eval=FALSE code-line-numbers="1-2,10-13,19"}
+df_pkg_diff <- df_cmp_releases %>%
+  dplyr::filter(ver != ver_old)
+
+if (nrow(df_pkg_diff)) {
+  # calculate risk metrics
+
+  opt_repos_init <- getOption("repos")
+  options(repos = c("CRAN" = "https://cran.rstudio.com"))
+
+  df_pkg_metrics <- df_pkg_diff$pkg %>%
+    riskmetric::pkg_ref(source = "pkg_cran_remote") %>%
+    riskmetric::pkg_assess() %>%
+    riskmetric::pkg_score() %>%
+    cbind(df_pkg_diff) %>%
+    dplyr::select(-c(pkg, ver, pkg_ref))
+
+  options(repos = opt_repos_init)
+
+  # replace PACKAGES file
+
+  # ...
+}
+```
+
+::: {.notes}
+Yann
+:::
+
 # Our roadmap
 
 ## Reference container image(s)