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Support setting version string via ldflags #262

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Support setting version string via ldflags #262

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15 changes: 15 additions & 0 deletions cmd/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,18 @@ import (
"github.com/caddyserver/xcaddy/internal/utils"
)

// CustomVersion is an optional string that overrides xcaddy's
// reported version. It can be helpful when downstream packagers
// need to manually set xcaddy's version, since building as the
// main module causes debug.ReadBuildInfo() to report "(devel)".
//
// Set this variable during `go build` with `-ldflags`:
//
// -ldflags '-X github.com/caddyserver/xcaddy/cmd.CustomVersion=v0.4.4'
//
// for example.
var CustomVersion string

var (
caddyVersion = os.Getenv("CADDY_VERSION")
raceDetector = os.Getenv("XCADDY_RACE_DETECTOR") == "1"
Expand Down Expand Up @@ -207,6 +219,9 @@ func splitWith(arg string) (module, version, replace string, err error) {

// xcaddyVersion returns a detailed version string, if available.
func xcaddyVersion() string {
if CustomVersion != "" {
return CustomVersion
}
mod := goModule()
ver := mod.Version
if mod.Sum != "" {
Expand Down
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