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Drop support for Go older than 1.18 #612

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merged 1 commit into from
Mar 25, 2024
Merged

Drop support for Go older than 1.18 #612

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49 changes: 49 additions & 0 deletions version/info.go
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ import (
"bytes"
"fmt"
"runtime"
"runtime/debug"
"strings"
"text/template"
)
Expand All @@ -31,6 +32,9 @@ var (
GoVersion = runtime.Version()
GoOS = runtime.GOOS
GoArch = runtime.GOARCH

computedRevision string
computedTags string
)

// versionInfoTmpl contains the template used by Info.
Expand Down Expand Up @@ -74,3 +78,48 @@ func Info() string {
func BuildContext() string {
return fmt.Sprintf("(go=%s, platform=%s, user=%s, date=%s, tags=%s)", GoVersion, GoOS+"/"+GoArch, BuildUser, BuildDate, GetTags())
}

func GetRevision() string {
if Revision != "" {
return Revision
}
return computedRevision
}

func GetTags() string {
return computedTags
}

func init() {
computedRevision, computedTags = computeRevision()
}

func computeRevision() (string, string) {
var (
rev = "unknown"
tags = "unknown"
modified bool
)

buildInfo, ok := debug.ReadBuildInfo()
if !ok {
return rev, tags
}
for _, v := range buildInfo.Settings {
if v.Key == "vcs.revision" {
rev = v.Value
}
if v.Key == "vcs.modified" {
if v.Value == "true" {
modified = true
}
}
if v.Key == "-tags" {
tags = v.Value
}
Comment on lines +117 to +119
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I'm reading the BuildSettings docs and I can't find the -tags keys.

Is this something that was removed in more recent versions of go? Or just missing in the docs?

// A BuildSetting is a key-value pair describing one setting that influenced a build.
//
// Defined keys include:
//
//   - -buildmode: the buildmode flag used (typically "exe")
//   - -compiler: the compiler toolchain flag used (typically "gc")
//   - CGO_ENABLED: the effective CGO_ENABLED environment variable
//   - CGO_CFLAGS: the effective CGO_CFLAGS environment variable
//   - CGO_CPPFLAGS: the effective CGO_CPPFLAGS environment variable
//   - CGO_CXXFLAGS:  the effective CGO_CXXFLAGS environment variable
//   - CGO_LDFLAGS: the effective CGO_LDFLAGS environment variable
//   - GOARCH: the architecture target
//   - GOAMD64/GOARM/GO386/etc: the architecture feature level for GOARCH
//   - GOOS: the operating system target
//   - vcs: the version control system for the source tree where the build ran
//   - vcs.revision: the revision identifier for the current commit or checkout
//   - vcs.time: the modification time associated with vcs.revision, in RFC3339 format
//   - vcs.modified: true or false indicating whether the source tree had local modifications
type BuildSetting struct {
	// Key and Value describe the build setting.
	// Key must not contain an equals sign, space, tab, or newline.
	// Value must not contain newlines ('\n').
	Key, Value string
}

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Hmm, good question. This isn't new code, just moving it from info_go118.go. @bboreham added it in #455.

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The list is not claimed to be exclusive; it says it “includes” those things.

}
if modified {
return rev + "-modified", tags
}
return rev, tags
}
25 changes: 0 additions & 25 deletions version/info_default.go
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69 changes: 0 additions & 69 deletions version/info_go118.go
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