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update-test: improve error handling.

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Fail if the start or end commit are missing and retry finding the
previous tag by fetching all tags if they are missing.

This should fix CI on the current Homebrew/brew `master` branch.

Closes #2404.
This commit is contained in:
Mike McQuaid 2017-03-28 15:31:16 +01:00
parent 676c4a9e33
commit c3bf9bda58
1 changed files with 13 additions and 1 deletions
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14
Library/Homebrew/dev-cmd/update-test.rb
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@ -33,12 +33,24 @@ module Homebrew
elsif date = ARGV.value("before")
Utils.popen_read("git", "rev-list", "-n1", "--before=#{date}", "origin/master").chomp
elsif ARGV.include?("--to-tag")
Utils.popen_read("git", "tag", "--list", "--sort=-version:refname").lines[1].chomp
previous_tag =
Utils.popen_read("git", "tag", "--list", "--sort=-version:refname").lines[1]
unless previous_tag
safe_system "git", "fetch", "--tags"
previous_tag =
Utils.popen_read("git", "tag", "--list", "--sort=-version:refname").lines[1]
end
previous_tag.to_s.chomp
else
Utils.popen_read("git", "rev-parse", "origin/master").chomp
end
odie "Could not find start commit!" if start_commit.empty?
start_commit = Utils.popen_read("git", "rev-parse", start_commit).chomp
odie "Could not find start commit!" if start_commit.empty?
end_commit = Utils.popen_read("git", "rev-parse", "HEAD").chomp
odie "Could not find end commit!" if end_commit.empty?
puts "Start commit: #{start_commit}"
puts "End commit: #{end_commit}"