Add undocumented --version flag
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parent
28a167e828
commit
4a9de3218e
12
Makefile
12
Makefile
@ -16,6 +16,14 @@ export GOPATH := $(CURDIR)/.gopath
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export PATH := $(PATH):$(CURDIR)/.gopath/bin
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GO_IMPORT_PATH := git.zx2c4.com/wireguard-go
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version.go:
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@export GIT_CEILING_DIRECTORIES="$(realpath $(CURDIR)/..)" && \
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tag="$$(git describe --dirty 2>/dev/null)" && \
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ver="$$(printf 'package main\nconst WireGuardGoVersion = "%s"\n' "$$tag")" && \
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[ "$$(cat $@ 2>/dev/null)" != "$$ver" ] && \
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echo "$$ver" > $@ && \
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git update-index --assume-unchanged $@ || true
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.gopath/.created:
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rm -rf .gopath
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mkdir -p $(dir .gopath/src/$(GO_IMPORT_PATH))
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@ -27,7 +35,7 @@ vendor/.created: Gopkg.toml Gopkg.lock | .gopath/.created
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cd .gopath/src/$(GO_IMPORT_PATH) && dep ensure -vendor-only -v
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touch $@
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wireguard-go: $(wildcard *.go) $(wildcard */*.go) .gopath/.created vendor/.created
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wireguard-go: $(wildcard *.go) $(wildcard */*.go) .gopath/.created vendor/.created version.go
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go build $(GO_BUILD_EXTRA_ARGS) -v $(GO_IMPORT_PATH)
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install: wireguard-go
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@ -40,4 +48,4 @@ update-dep: | .gopath/.created
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command -v dep >/dev/null || go get -v github.com/golang/dep/cmd/dep
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cd .gopath/src/$(GO_IMPORT_PATH) && dep ensure -update -v
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.PHONY: clean install update-dep
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.PHONY: clean install update-dep version.go
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5
main.go
5
main.go
@ -74,6 +74,11 @@ func warning() {
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}
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func main() {
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if len(os.Args) == 2 && os.Args[1] == "--version" {
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fmt.Printf("wireguard-go v%s\n\nUserspace WireGuard daemon for %s-%s.\nInformation available at https://www.wireguard.com.\nCopyright (C) Jason A. Donenfeld <Jason@zx2c4.com>.\n", WireGuardGoVersion, runtime.GOOS, runtime.GOARCH)
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return
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}
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warning()
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// parse arguments
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2
version.go
Normal file
2
version.go
Normal file
@ -0,0 +1,2 @@
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package main
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const WireGuardGoVersion = "0.0.20180519"
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