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dagger/plan/task/gitpull.go

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package task
import (
"context"
"net/url"
"strings"
"github.com/moby/buildkit/client/llb"
"github.com/rs/zerolog/log"
"go.dagger.io/dagger/compiler"
"go.dagger.io/dagger/plancontext"
"go.dagger.io/dagger/solver"
)
func init() {
Register("GitPull", func() Task { return &gitPullTask{} })
}
type gitPullTask struct {
}
func (c *gitPullTask) Run(ctx context.Context, pctx *plancontext.Context, s *solver.Solver, v *compiler.Value) (*compiler.Value, error) {
var gitPull struct {
Remote string
Ref string
KeepGitDir bool
Auth struct {
Username string
}
}
if err := v.Decode(&gitPull); err != nil {
return nil, err
}
gitOpts := []llb.GitOption{}
lg := log.Ctx(ctx)
if gitPull.KeepGitDir {
lg.Debug().Str("keepGitDir", "true").Msg("adding git option")
gitOpts = append(gitOpts, llb.KeepGitDir())
}
if gitPull.Auth.Username != "" {
pwd := v.Lookup("auth.password")
pwdSecret, err := pctx.Secrets.FromValue(pwd)
if err != nil {
return nil, err
}
remote, err := url.Parse(gitPull.Remote)
if err != nil {
return nil, err
}
lg.Debug().Str("username", gitPull.Auth.Username).Str("password", "***").Msg("using username:password auth")
remote.User = url.UserPassword(gitPull.Auth.Username, strings.TrimSpace(pwdSecret.PlainText()))
gitPull.Remote = remote.String()
} else if authToken := v.Lookup("auth.authToken"); plancontext.IsSecretValue(authToken) {
authTokenSecret, err := pctx.Secrets.FromValue(authToken)
if err != nil {
return nil, err
}
lg.Debug().Str("authToken", "***").Msg("adding git option")
gitOpts = append(gitOpts, llb.AuthTokenSecret(authTokenSecret.ID()))
} else if authHeader := v.Lookup("auth.authHeader"); plancontext.IsSecretValue(authHeader) {
authHeaderSecret, err := pctx.Secrets.FromValue(authHeader)
if err != nil {
return nil, err
}
lg.Debug().Str("authHeader", "***").Msg("adding git option")
gitOpts = append(gitOpts, llb.AuthHeaderSecret(authHeaderSecret.ID()))
}
remoteRedacted := gitPull.Remote
if u, err := url.Parse(gitPull.Remote); err == nil {
remoteRedacted = u.Redacted()
}
gitOpts = append(gitOpts, withCustomName(v, "GitPull %s@%s", remoteRedacted, gitPull.Ref))
st := llb.Git(gitPull.Remote, gitPull.Ref, gitOpts...)
result, err := s.Solve(ctx, st, pctx.Platform.Get())
if err != nil {
return nil, err
}
fs := pctx.FS.New(result)
return compiler.NewValue().FillFields(map[string]interface{}{
"output": fs.MarshalCUE(),
})
}