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Clarify error message for --agent in rill init #9139

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Clarify error message for --agent in rill init #9139

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33a30bc
Simplify existing project check in rill init
begelundmuller Mar 30, 2026
e04595c
Merge branch 'main' into begelundmuller/simplify-init-existing-projec…
begelundmuller Apr 3, 2026
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17 changes: 7 additions & 10 deletions cli/cmd/initialize/init.go
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Original file line number Diff line number Diff line change
Expand Up @@ -98,17 +98,14 @@ func InitCmd(ch *cmdutil.Helper) *cobra.Command {

// If a project already exists, we allow adding agent files via --agent, but no other changes.
if cmdutil.HasRillProject(projectPath) {
if explicitAgent {
if numFlags > 1 {
return fmt.Errorf("when adding agent instructions to an existing project, --agent must be the only flag set")
}
repo, _, err := cmdutil.RepoForProjectPath(projectPath)
if err != nil {
return fmt.Errorf("failed to open project: %w", err)
}
return writeAgentInstructions(cmd.Context(), ch, repo, agent)
if !explicitAgent || numFlags > 1 {
return fmt.Errorf("init failed because a Rill project already exists at %q (hint: only the --agent flag is supported for updating an existing project)", projectPath)
}
repo, _, err := cmdutil.RepoForProjectPath(projectPath)
if err != nil {
return fmt.Errorf("failed to open project: %w", err)
}
return fmt.Errorf("a Rill project already exists at %q (use --agent to update agent instructions)", projectPath)
return writeAgentInstructions(cmd.Context(), ch, repo, agent)
}

// In interactive mode, if no flags were provided, we prompt for input.
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