Use ergochat/readline

[vishesh92]

Fixes#137 and removes vendor directory.

[github-actions]

✅ Build complete for PR #199.

🔗 Download the cmk binaries (expires on January 22, 2026)

[Copilot]

Pull Request Overview

This PR migrates from the unmaintained github.com/chzyer/readline library to github.com/ergochat/readline and removes the vendor directory dependency management approach in favor of standard Go module handling.

• Replaces chzyer/readline with ergochat/readline v0.1.3
• Removes all vendor-related build flags and commands across build configuration files
• Updates dependency versions (golang.org/x/sys and adds golang.org/x/text)

Reviewed Changes

Copilot reviewed 4 out of 512 changed files in this pull request and generated no comments.

File	Description
go.mod	Updates readline dependency and bumps indirect dependencies
cli/prompt.go	Changes readline import to use ergochat package
Makefile	Removes -mod=vendor flags from all build commands and vendor dependencies from targets
snap/snapcraft.yaml	Removes go mod vendor command from snap build process

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[shwstppr]

@vishesh92 there were some customisations in the existing lib, not sure they need to be included with the change.
One I did was to allow autocompletion by name of the resources

[vishesh92]

@vishesh92 there were some customisations in the existing lib, not sure they need to be included with the change.
One I did was to allow autocompletion by name of the resources

Let me compare with the upstream readline library. Do you know if there is any other library which was changed? We should ideally move away from vendor based setup.

[vishesh92]

@shwstppr I have migrated the changes in readline package to the new one and keeping the vendors directory.

[shwstppr]

@vishesh92 tested build for this PR. For some reasons prompt goes missing when autocompletion is invoked
cmk-prompt-goes-missing.webm

[shwstppr]

LGTM

Not seeing any regressions due to library change
Good to have pagination when a lot of autocomplete options