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Update token rules #232

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Update token rules #232

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f3c7852
Update token rules
jharmon-gilead May 22, 2026
6400826
Accept even more variability in `ghs_` tokens.
jharmon-gilead May 22, 2026
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7 changes: 5 additions & 2 deletions R/gh_token.R
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Original file line number Diff line number Diff line change
Expand Up @@ -95,8 +95,10 @@ validate_gh_pat <- function(x) {
# https://github.blog/changelog/2021-03-04-authentication-token-format-updates/
# Fine grained tokens start with "github_pat_".
# https://github.blog/changelog/2022-10-18-introducing-fine-grained-personal-access-tokens/
# GitHub App installation tokens start with "ghs_".
# https://github.blog/changelog/2026-04-24-notice-about-upcoming-new-format-for-github-app-installation-tokens/
grepl(
"^(gh[pousr]_[A-Za-z0-9_]{36,251}|github_pat_[A-Za-z0-9_]{36,244})$",
"^(gh[pousr]_[A-Za-z0-9_]{36,251}|github_pat_[A-Za-z0-9_]{36,244}|ghs_.+)$",
x
) ||
grepl("^[[:xdigit:]]{40}$", x)
Expand All @@ -106,9 +108,10 @@ validate_gh_pat <- function(x) {
url <- "https://gh.r-lib.org/articles/managing-personal-access-tokens.html"
cli::cli_abort(c(
"Invalid GitHub PAT format",
"i" = "A GitHub PAT must have one of three forms:",
"i" = "A GitHub PAT must have one of four forms:",
"*" = "40 hexadecimal digits (older PATs)",
"*" = "A 'ghp_' prefix followed by 36 to 251 more characters (newer PATs)",
"*" = "A `ghs_` prefix followed by about 500 characters (GitHub App installation tokens)",
"*" = "A 'github_pat_' prefix followed by 36 to 244 more characters (fine-grained PATs)",
"i" = "Read more at {.url {url}}."
))
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2 changes: 1 addition & 1 deletion tests/testthat/_snaps/gh_whoami.md
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Expand Up @@ -12,7 +12,7 @@
Condition
Error in `gh()`:
! GitHub API error (401): Requires authentication
i Read more at <https://docs.github.com/rest/users/users#get-the-authenticated-user>
i Read more at <https://docs.github.com/rest>
Code
gh_whoami(.token = "blah")
Condition
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