Use git describe --tags to get most recent tag reachable from HEAD

Author: dhui

README.md

@@ -92,7 +92,7 @@ It's a not recommended for your CI pipeline. Only install like this for your loc
 ```bash
 go get -u github.com/golangci/golangci-lint
 cd $GOPATH/src/github.com/golangci/golangci-lint/cmd/golangci-lint
-go install -ldflags "-X 'main.version=$(git rev-parse --abbrev-ref HEAD)' -X 'main.commit=$(git rev-parse --short HEAD)' -X 'main.date=$(date)'"
+go install -ldflags "-X 'main.version=$(git describe --tags)' -X 'main.commit=$(git rev-parse --short HEAD)' -X 'main.date=$(date)'"
 ```
 
 You can also install it on OSX using brew:

README.tmpl.md

@@ -92,7 +92,7 @@ It's a not recommended for your CI pipeline. Only install like this for your loc
 ```bash
 go get -u github.com/golangci/golangci-lint
 cd $GOPATH/src/github.com/golangci/golangci-lint/cmd/golangci-lint
-go install -ldflags "-X 'main.version=$(git rev-parse --abbrev-ref HEAD)' -X 'main.commit=$(git rev-parse --short HEAD)' -X 'main.date=$(date)'"
+go install -ldflags "-X 'main.version=$(git describe --tags)' -X 'main.commit=$(git rev-parse --short HEAD)' -X 'main.date=$(date)'"
 ```
 
 You can also install it on OSX using brew: