a

Makefile

@@ -6,4 +6,7 @@ all: subscribe-bot
 subscribe-bot: $(SOURCES)
 	go build -o $@ -ldflags "-X main.GitCommit=$(GIT_COMMIT)"
 
-.PHONY: all
+checkFmt:
+	[ -z "$$(git ls-files | grep '\.go$$' | xargs gofmt -l)" ] || (exit 1)
+
+.PHONY: all checkFmt

go.mod

@@ -14,6 +14,7 @@ require (
 	github.com/go-git/go-git/v5 v5.2.0
 	github.com/gorilla/sessions v1.2.1 // indirect
 	github.com/kofalt/go-memoize v0.0.0-20200917044458-9b55a8d73e1c
+	github.com/pkg/errors v0.8.1
 	go.etcd.io/bbolt v1.3.5
 	golang.org/x/sync v0.0.0-20201008141435-b3e1573b7520
 )

osuapi/beatmapsets.go

@@ -17,7 +17,8 @@ func (api *Osuapi) SearchBeatmaps(rankStatus string) (beatmapSearch BeatmapSearc
 	url := "/beatmapsets/search?" + query
 	err = api.Request("GET", url, &beatmapSearch)
 	if err != nil {
-		return errors.Wrap("failed to search beatmaps")
+		errors.Wrap(err, "failed to search beatmaps")
+		return
 	}
 
 	return

osuapi/osuapi.go

@@ -74,20 +74,20 @@ func (api *Osuapi) Token() (token string, err error) {
 		strings.NewReader(data),
 	)
 	if err != nil {
-		err = errors.Wrap("failed to make POST request")
+		err = errors.Wrap(err, "failed to make POST request")
 		return
 	}
 
 	var osuToken OsuToken
 	respBody, err := ioutil.ReadAll(resp.Body)
 	if err != nil {
-		err = errors.Wrap("failed to read response body")
+		err = errors.Wrap(err, "failed to read response body")
 		return
 	}
 
 	err = json.Unmarshal(respBody, &osuToken)
 	if err != nil {
-		err = errors.Wrap("failed to unmarshal response body as json")
+		err = errors.Wrap(err, "failed to unmarshal response body as json")
 		return
 	}
 
@@ -110,7 +110,7 @@ func (api *Osuapi) Request0(action string, url string) (resp *http.Response, err
 
 	token, err := api.Token()
 	if err != nil {
-		err = errors.Wrap("failed to fetch token")
+		err = errors.Wrap(err, "failed to fetch token")
 		return
 	}
 
@@ -118,7 +118,7 @@ func (api *Osuapi) Request0(action string, url string) (resp *http.Response, err
 
 	resp, err = api.httpClient.Do(req)
 	if err != nil {
-		err = errors.Wrap("http client failed")
+		err = errors.Wrap(err, "http client failed")
 		return
 	}
 
@@ -144,17 +144,17 @@ func (api *Osuapi) Request0(action string, url string) (resp *http.Response, err
 func (api *Osuapi) Request(action string, url string, result interface{}) (err error) {
 	resp, err := api.Request0(action, url)
 	if err != nil {
-		return errors.Wrap("base request failed")
+		return errors.Wrap(err, "base request failed")
 	}
 
 	data, err := ioutil.ReadAll(resp.Body)
 	if err != nil {
-		return errors.Wrap("failed to read http response body")
+		return errors.Wrap(err, "failed to read http response body")
 	}
 
 	err = json.Unmarshal(data, result)
 	if err != nil {
-		return errors.Wrap("failed to unmarshal http response as json")
+		return errors.Wrap(err, "failed to unmarshal http response as json")
 	}
 
 	return