feat: add depot ci logs subcommand

Adds a new command to fetch and display log output for a CI job attempt.
Paginates through all available log pages via the GetJobAttemptLogs RPC.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: lukevmorris

pkg/api/ci.go

@@ -26,6 +26,28 @@ func CIGetRunStatus(ctx context.Context, token, runID string) (*civ1.GetRunStatu
 	return resp.Msg, nil
 }
 
+// CIGetJobAttemptLogs returns all log lines for a job attempt, paginating through all pages.
+func CIGetJobAttemptLogs(ctx context.Context, token, attemptID string) ([]*civ1.LogLine, error) {
+	client := newCIServiceClient()
+	var allLines []*civ1.LogLine
+	var pageToken string
+
+	for {
+		req := &civ1.GetJobAttemptLogsRequest{AttemptId: attemptID, PageToken: pageToken}
+		resp, err := client.GetJobAttemptLogs(ctx, WithAuthentication(connect.NewRequest(req), token))
+		if err != nil {
+			return nil, err
+		}
+		allLines = append(allLines, resp.Msg.Lines...)
+		if resp.Msg.NextPageToken == "" {
+			break
+		}
+		pageToken = resp.Msg.NextPageToken
+	}
+
+	return allLines, nil
+}
+
 func newCISecretServiceClient() civ1connect.SecretServiceClient {
 	baseURL := baseURLFunc()
 	return civ1connect.NewSecretServiceClient(getHTTPClient(baseURL), baseURL, WithUserAgent())

pkg/cmd/ci/ci.go

@@ -12,6 +12,7 @@ func NewCmdCI() *cobra.Command {
 		},
 	}
 
+	cmd.AddCommand(NewCmdLogs())
 	cmd.AddCommand(NewCmdMigrate())
 	cmd.AddCommand(NewCmdSecrets())
 	cmd.AddCommand(NewCmdStatus())

pkg/cmd/ci/logs.go

@@ -0,0 +1,50 @@
+package ci
+
+import (
+	"fmt"
+
+	"github.com/depot/cli/pkg/api"
+	"github.com/depot/cli/pkg/helpers"
+	"github.com/spf13/cobra"
+)
+
+func NewCmdLogs() *cobra.Command {
+	var token string
+
+	cmd := &cobra.Command{
+		Use:   "logs <attempt-id>",
+		Short: "Fetch logs for a CI job attempt [beta]",
+		Long:  "Fetch and display log output for a CI job attempt.\n\nThis command is in beta and subject to change.",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			if len(args) == 0 {
+				return cmd.Help()
+			}
+
+			ctx := cmd.Context()
+			attemptID := args[0]
+
+			tokenVal, err := helpers.ResolveOrgAuth(ctx, token)
+			if err != nil {
+				return err
+			}
+			if tokenVal == "" {
+				return fmt.Errorf("missing API token, please run `depot login`")
+			}
+
+			lines, err := api.CIGetJobAttemptLogs(ctx, tokenVal, attemptID)
+			if err != nil {
+				return fmt.Errorf("failed to get job attempt logs: %w", err)
+			}
+
+			for _, line := range lines {
+				fmt.Println(line.Body)
+			}
+
+			return nil
+		},
+	}
+
+	cmd.Flags().StringVar(&token, "token", "", "Depot API token")
+
+	return cmd
+}