Files
gitea-release-resource/out_command.go
2018-12-18 12:56:09 -05:00

115 lines
2.6 KiB
Go

package resource
import (
"errors"
"fmt"
"io"
"io/ioutil"
"path/filepath"
"strings"
)
type OutCommand struct {
gitlab GitLab
writer io.Writer
}
func NewOutCommand(gitlab GitLab, writer io.Writer) *OutCommand {
return &OutCommand{
gitlab: gitlab,
writer: writer,
}
}
func (c *OutCommand) Run(sourceDir string, request OutRequest) (OutResponse, error) {
params := request.Params
// name, err := c.fileContents(filepath.Join(sourceDir, request.Params.NamePath))
// if err != nil {
// return OutResponse{}, err
// }
tag_name, err := c.fileContents(filepath.Join(sourceDir, request.Params.TagPath))
if err != nil {
return OutResponse{}, err
}
tag_name = request.Params.TagPrefix + tag_name
targetCommitish, err := c.fileContents(filepath.Join(sourceDir, request.Params.CommitishPath))
if err != nil {
return OutResponse{}, err
}
// if request.Params.BodyPath != "" {
// _, err := c.fileContents(filepath.Join(sourceDir, request.Params.BodyPath))
// if err != nil {
// return OutResponse{}, err
// }
// }
tagExists := true
tag, err := c.gitlab.GetTag(tag_name)
if err != nil {
//TODO: improve the check to be based on the specific error
tagExists = false
}
// create the tag first, as next sections assume the tag exists
if !tagExists {
tag, err = c.gitlab.CreateTag(targetCommitish, tag_name)
if err != nil {
return OutResponse{}, err
}
}
// create a new release if it doesn't exist yet
if tag.Release == nil {
_, err = c.gitlab.CreateRelease(tag_name, "Auto-generated from Concourse GitLab Release Resource")
if err != nil {
return OutResponse{}, err
}
}
// upload files
var fileLinks []string
for _, fileGlob := range params.Globs {
matches, err := filepath.Glob(filepath.Join(sourceDir, fileGlob))
if err != nil {
return OutResponse{}, err
}
if len(matches) == 0 {
return OutResponse{}, fmt.Errorf("could not find file that matches glob '%s'", fileGlob)
}
for _, filePath := range matches {
projectFile, err := c.gitlab.UploadProjectFile(filePath)
if err != nil {
return OutResponse{}, err
}
fileLinks = append(fileLinks, projectFile.Markdown)
}
}
// update the release
_, err = c.gitlab.UpdateRelease(tag_name, strings.Join(fileLinks, "\n"))
if err != nil {
return OutResponse{}, errors.New("could not get saved tag")
}
return OutResponse{
Version: versionFromTag(tag),
Metadata: metadataFromTag(tag),
}, nil
}
func (c *OutCommand) fileContents(path string) (string, error) {
contents, err := ioutil.ReadFile(path)
if err != nil {
return "", err
}
return strings.TrimSpace(string(contents)), nil
}