70 lines
2.2 KiB
Ruby
70 lines
2.2 KiB
Ruby
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module Backlog
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# Validates and classifies tracker keys (the value written to
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# `.cc-os/config`'s `tracker` field) and parses `git remote -v` output to
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# detect a Forgejo/GitHub remote. Pure — no filesystem, no network.
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class Tracker
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DEFAULT_FORGEJO_HOST = "forgejo.swansoncloud.com"
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FORMATS = {
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planka: %r{\Aplanka:[\w.-]+\z},
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forgejo: %r{\Aforgejo:[\w.-]+/[\w.-]+\z},
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github: %r{\Agithub:[\w.-]+/[\w.-]+\z},
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repo: /\Arepo:.+\z/
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}.freeze
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# @return [Boolean] true if value matches one of the four valid formats
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def self.valid?(value)
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!kind(value).nil?
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end
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# @return [Symbol, nil] :planka / :forgejo / :github / :repo, or nil if invalid
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def self.kind(value)
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return nil unless value.is_a?(String)
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FORMATS.each { |name, pattern| return name if value.match?(pattern) }
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nil
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end
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# Parse the first remote line of `git remote -v` output and classify it
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# as a Forgejo or GitHub remote (or :unknown for anything else).
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#
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# @param output [String] raw `git remote -v` output
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# @param forgejo_host [String] hostname that identifies the user's
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# self-hosted Forgejo instance
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# @return [Hash, nil] {kind:, host:, owner:, repo:}, or nil if no remote
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# URL could be parsed
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def self.parse_remote(output, forgejo_host: DEFAULT_FORGEJO_HOST)
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line = output.to_s.lines.first
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return nil unless line
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url = line.split(/\s+/)[1]
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return nil unless url
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host, path = split_host_path(url)
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return nil unless host && path
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owner, repo = path.sub(/\.git\z/, "").split("/").last(2)
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return nil unless owner && repo
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kind = if host == forgejo_host
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:forgejo
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elsif host == "github.com"
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:github
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else
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:unknown
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end
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{ kind: kind, host: host, owner: owner, repo: repo }
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end
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def self.split_host_path(url)
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if url =~ %r{\A[\w+.-]+://(?:[^/@]+@)?([^:/]+)(?::\d+)?/(.+)\z}
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[Regexp.last_match(1), Regexp.last_match(2)]
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elsif url =~ /\A[^@\s]+@([^:]+):(.+)\z/
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[Regexp.last_match(1), Regexp.last_match(2)]
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end
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end
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private_class_method :split_host_path
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end
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end
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