first release of this action
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commit
259af57371
GPG key ID:
4B9DB28F826553BD
8 changed files with 853 additions and 0 deletions
305
github.go
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305
github.go
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@ -0,0 +1,305 @@
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package main
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"io"
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"mime"
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"mime/multipart"
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"net/http"
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"os"
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"strings"
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)
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type ApiClient interface {
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Do(*http.Request) (*http.Response, error)
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}
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type GitHub struct {
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client ApiClient
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}
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type ApiError struct {
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Message string `json:"message"`
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URL string `json:"url"`
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}
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func (e ApiError) Error() string {
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return e.Message
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}
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type ApiNotFoundError struct {
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ApiError
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Errors []string `json:"errors"`
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}
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type ApiValidationError struct {
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ApiError
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}
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func NewGitHub(client ApiClient) *GitHub {
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return &GitHub{client: client}
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}
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// Determine whether the request `content-type` includes a
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// server-acceptable mime-type
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//
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// Failure should yield an HTTP 415 (`http.StatusUnsupportedMediaType`)
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func HasContentType(r *http.Response, mimetype string) bool {
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contentType := r.Header.Get("Content-type")
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if contentType == "" {
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return mimetype == "application/octet-stream"
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}
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for _, v := range strings.Split(contentType, ",") {
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t, _, err := mime.ParseMediaType(v)
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if err != nil {
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break
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}
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if t == mimetype {
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return true
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}
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}
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return false
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}
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type GitTag struct {
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Commit struct {
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Created string `json:"created,omitempty"`
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SHA string `json:"sha,omitempty"`
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URL string `json:"url,omitempty"`
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} `json:"commit"`
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Id string `json:"id,omitempty"`
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Message string `json:"message,omitempty"`
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Name string `json:"name,omitempty"`
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TarballURL string `json:"tarball_url,omitempty"`
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ZipballURL string `json:"zipball_url,omitempty"`
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}
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func (gh *GitHub) GetGitTagInfo(owner, repo, tag string, ctx context.Context) (*GitTag, error) {
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url := fmt.Sprintf("/repos/%s/%s/tags/%s", owner, repo, tag)
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
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if err != nil {
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return nil, err
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}
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req.Header.Set("accept", "application/json")
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res, err := gh.client.Do(req)
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if err != nil {
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return nil, err
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}
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defer res.Body.Close()
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if !HasContentType(res, "application/json") {
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return nil, fmt.Errorf("content-type: %q should be %q",
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res.Header.Get("content-type"), "application/json")
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}
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dec := json.NewDecoder(io.LimitReader(res.Body, 32*1024))
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if res.StatusCode >= 200 && res.StatusCode < 300 {
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var cres GitTag
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err := dec.Decode(&cres)
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return &cres, err
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} else {
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switch res.StatusCode {
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case 404:
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var error ApiNotFoundError
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err := dec.Decode(&error)
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if err != nil {
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return nil, err
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}
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return nil, error
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default:
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return nil, fmt.Errorf("an unexpected error occurred")
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}
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}
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}
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type CreateReleaseRequest struct {
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Owner string `json:"-"`
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Repo string `json:"-"`
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Body string `json:"body,omitempty"`
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Draft bool `json:"draft,omitempty"`
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HideArchiveLinks bool `json:"hide_archive_links,omitempty"`
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Name string `json:"name,omitempty"`
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PreRelease bool `json:"prerelease,omitempty"`
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TagName string `json:"tag_name"`
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TargetCommitish string `json:"target_commitish,omitempty"`
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}
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type CreateReleaseResponse struct {
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Body string `json:"body"`
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CreatedAt string `json:"created_at"`
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Draft bool `json:"draft"`
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HideArchiveLinks bool `json:"hide_archive_links"`
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HtmlURL string `json:"html_url"`
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Id int64 `json:"id"`
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Name string `json:"name"`
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PreRelease bool `json:"prerelease"`
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PublishedAt string `json:"published_at"`
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TagName string `json:"tag_name"`
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TarballURL string `json:"tarball_url"`
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TargetCommitish string `json:"target_commitish"`
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UploadURL string `json:"upload_url"`
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URL string `json:"url"`
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ZipballURL string `json:"zipball_url"`
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}
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func (gh *GitHub) CreateRelease(creq *CreateReleaseRequest, ctx context.Context) (*CreateReleaseResponse, error) {
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var b bytes.Buffer
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if err := json.NewEncoder(&b).Encode(creq); err != nil {
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return nil, err
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}
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url := fmt.Sprintf("/repos/%s/%s/releases", creq.Owner, creq.Repo)
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req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, &b)
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if err != nil {
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return nil, err
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}
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req.Header.Set("content-type", "application/json")
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req.Header.Set("accept", "application/json")
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res, err := gh.client.Do(req)
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if err != nil {
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return nil, err
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}
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defer res.Body.Close()
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if !HasContentType(res, "application/json") {
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return nil, fmt.Errorf("content-type: %q should be %q",
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res.Header.Get("content-type"), "application/json")
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}
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dec := json.NewDecoder(io.LimitReader(res.Body, 32*1024))
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if res.StatusCode >= 200 && res.StatusCode < 300 {
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var cres CreateReleaseResponse
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err := dec.Decode(&cres)
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return &cres, err
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} else {
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switch res.StatusCode {
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case 404:
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var error ApiNotFoundError
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err := dec.Decode(&error)
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if err != nil {
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return nil, err
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}
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return nil, error
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case 409:
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var error ApiError
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err := dec.Decode(&error)
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if err != nil {
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return nil, err
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}
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return nil, error
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case 422:
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var error ApiValidationError
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err := dec.Decode(&error)
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if err != nil {
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return nil, err
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}
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return nil, error
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default:
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return nil, fmt.Errorf("an unexpected error occurred")
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}
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}
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}
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type CreateReleaseArtifactRequest struct {
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Owner string `json:"-"`
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Repo string `json:"-"`
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Id int64 `json:"-"`
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Name string `json:"-"`
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ExternalUrl string `json:"-"`
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Attachment io.Reader `json:"-"`
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}
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type CreateReleaseArtifactResponse struct {
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BrowserDownloadUrl string `json:"browser_download_url"`
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CreatedAt string `json:"created_at"`
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DownloadCount int64 `json:"download_count"`
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Id int64 `json:"id"`
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Name string `json:"name"`
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Size int64 `json:"size"`
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Type string `json:"type"`
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Uuid string `json:"uuid"`
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}
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func (gh *GitHub) CreateReleaseArtifact(creq *CreateReleaseArtifactRequest, ctx context.Context) (*CreateReleaseArtifactResponse, error) {
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var b bytes.Buffer
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w := multipart.NewWriter(&b)
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if c, ok := creq.Attachment.(io.Closer); ok {
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defer c.Close()
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}
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var fw io.Writer
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var rd io.Reader
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var err error
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if f, ok := creq.Attachment.(*os.File); ok {
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fw, err = w.CreateFormFile("attachment", f.Name())
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if err != nil {
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return nil, err
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}
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rd = f
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} else {
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fw, err = w.CreateFormField("external_url")
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if err != nil {
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return nil, err
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}
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rd = bytes.NewBufferString(creq.ExternalUrl)
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}
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if _, err := io.Copy(fw, rd); err != nil {
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return nil, err
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}
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w.Close()
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url := fmt.Sprintf("/repos/%s/%s/releases/%d/assets", creq.Owner, creq.Repo, creq.Id)
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req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, &b)
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if err != nil {
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return nil, err
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}
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req.Header.Set("content-type", w.FormDataContentType())
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req.Header.Set("accept", "application/json")
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res, err := gh.client.Do(req)
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if err != nil {
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return nil, err
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}
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defer res.Body.Close()
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if !HasContentType(res, "application/json") {
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return nil, fmt.Errorf("content-type: %q should be %q",
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res.Header.Get("content-type"), "application/json")
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}
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dec := json.NewDecoder(io.LimitReader(res.Body, 32*1024))
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if res.StatusCode >= 200 && res.StatusCode < 300 {
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var cres CreateReleaseArtifactResponse
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err := dec.Decode(&cres)
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return &cres, err
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} else {
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switch res.StatusCode {
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case 400:
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var error ApiError
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err := dec.Decode(&error)
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if err != nil {
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return nil, err
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}
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return nil, error
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case 404:
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var error ApiNotFoundError
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err := dec.Decode(&error)
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if err != nil {
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return nil, err
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}
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return nil, error
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case 413:
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fallthrough // quota?
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default:
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return nil, fmt.Errorf("an unexpected error occurred")
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}
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}
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}
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