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52 lines
1.5 KiB
52 lines
1.5 KiB
// Copyright 2022 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package version
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import (
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"runtime/debug"
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"time"
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)
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// In go 1.18 and beyond, the go tool embeds VCS information into the build.
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const (
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govcsTimeLayout = "2006-01-02T15:04:05Z"
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ourTimeLayout = "20060102"
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)
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// buildInfoVCS returns VCS information of the build.
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func buildInfoVCS(info *debug.BuildInfo) (s VCSInfo, ok bool) {
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for _, v := range info.Settings {
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switch v.Key {
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case "vcs.revision":
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s.Commit = v.Value
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case "vcs.modified":
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if v.Value == "true" {
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s.Dirty = true
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}
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case "vcs.time":
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t, err := time.Parse(govcsTimeLayout, v.Value)
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if err == nil {
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s.Date = t.Format(ourTimeLayout)
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}
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}
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}
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if s.Commit != "" && s.Date != "" {
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ok = true
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}
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return
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}
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