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Include the standard id command output

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On macOS, GNU coreutils `id` is limited to NGROUPS_MAX groups,
because of the backward compatibility of getgroups(2).
This commit is contained in:
Nobuyoshi Nakada 2020-01-09 15:57:10 +09:00
parent b369f5e8a2
commit b0e9db65c3
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1 changed files with 4 additions and 0 deletions
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4
spec/ruby/core/process/groups_spec.rb
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@ -4,6 +4,10 @@ describe "Process.groups" do
platform_is_not :windows do
it "gets an Array of the gids of groups in the supplemental group access list" do
groups = `id -G`.scan(/\d+/).map { |i| i.to_i }
# Include the standard `id` command output. On macOS, GNU
# coreutils `id` is limited to NGROUPS_MAX groups, because of
# the backward compatibility of getgroups(2).
(groups |= `/usr/bin/id -G`.scan(/\d+/).map { |i| i.to_i }) rescue nil
gid = Process.gid
expected = (groups.sort - [gid]).uniq.sort