feat(edit): add --global flag for editing the global config file

[fru1tworld]

Summary

• Adds --global/-g to mise edit for opening ~/.config/mise/config.toml (or MISE_GLOBAL_CONFIG_FILE).
• Brings mise edit in line with mise use --global, mise settings set --global, etc.
• Positional path overrides --global, matching the existing flag-override pattern.
• Addresses discussion add `--global` flag for `mise edit` to support editing the global config file #9942.

Test plan

• mise run lint-fix
• cargo test --bin mise
• bash e2e/run_test e2e/cli/test_edit_global
• mise run render

[greptile-apps]

Greptile Summary

This PR adds --global/-g to mise edit (and mise generate config) to open ~/.config/mise/config.toml (or $MISE_GLOBAL_CONFIG_FILE), bringing it in line with other mise commands that accept --global. All issues flagged in previous review rounds have been addressed.

• Path-priority logic lives entirely in run() via an if let Some(path) chain, so a positional path always wins over --global regardless of CLI argument order — the e2e test now covers both orderings explicitly.
• tool_versions() was updated to accept the resolved path instead of hardcoding MISE_DEFAULT_CONFIG_FILENAME, fixing the previously flagged merge-target bug.
• generate/config.rs was refactored from #[clap(flatten)] to forwarding through Edit::new(), and its own help text was corrected from mise edit examples to mise generate config examples.

Confidence Score: 5/5

Safe to merge — the flag resolves the target path correctly for all combinations of --global, positional path, and --tool-versions, and the e2e test validates both CLI orderings.

All three previously flagged defects (order-dependent overrides_with, wrong tool_versions() merge base, and stale mise edit examples in generate config docs) are fully resolved. No new correctness issues were found in the implementation.

No files require special attention.

Important Files Changed

Filename	Overview
src/cli/edit.rs	Adds --global/-g flag; path-priority logic in run() is correct; tool_versions() now receives the resolved path instead of hardcoding the default
src/cli/generate/config.rs	Refactored from #[clap(flatten)] edit: Edit to its own fields forwarded via Edit::new(); corrected example strings from mise edit to mise generate config
e2e/cli/test_edit_global	New e2e test covers both flag orderings, regression guard for default path, and the --tool-versions merge-target fix
docs/cli/edit.md	Usage line updated to [FLAGS]; new -g --global flag documented with example
docs/cli/generate/config.md	Examples corrected from mise edit to mise generate config; new -g flag documented
mise.usage.kdl	KDL spec updated with -g --global flag for both edit and generate config commands
xtasks/fig/src/mise.ts	Fig completions updated with --global option for edit and generate config

_{Reviews (3): Last reviewed commit: "feat(edit): add --global flag for editin..." | Re-trigger Greptile}

[gemini-code-assist]

Code Review

This pull request introduces a --global (or -g) flag to the mise edit and mise generate config commands, allowing users to interact with the global configuration file. The changes include updates to CLI arguments, path resolution logic in src/cli/edit.rs, comprehensive documentation updates across Markdown, man pages, and KDL usage specs, and a new end-to-end test. Feedback identifies a bug where tool version imports are hardcoded to mise.toml regardless of the target path, points out incorrect command names in the generate config examples, and notes that the --global flag implementation is missing for the generate config command despite being documented.

[gemini-code-assist]

The path resolution logic can be simplified by avoiding the clone() on self.path, as self is consumed by the run method.

Note: The path variable determined here should also be passed to self.tool_versions() (at line 160, though not visible in this diff hunk) to ensure that tool versions are imported into the correct file when using --global or an explicit path. Currently, tool_versions() (at line 259) hardcodes the target path to mise.toml, which would cause incorrect behavior when targeting the global config (it would read the local config, merge versions, and then write that result to the global path).

Suggested change

	let path = if let Some(path) = self.path.clone() {
	path
	} else if self.global {
	global_config_path()
	} else {
	PathBuf::from(&*env::MISE_DEFAULT_CONFIG_FILENAME)
	};
	let path = self.path.unwrap_or_else(|| {
	if self.global {
	global_config_path()
	} else {
	PathBuf::from(&*env::MISE_DEFAULT_CONFIG_FILENAME)
	}
	});

[gemini-code-assist]

The examples for the generate config command incorrectly use the mise edit command. These should be updated to use mise generate config to provide accurate documentation for this subcommand.

        after_long_help "Examples:\n\n    $ mise generate config             # generate mise.toml interactively\n    $ mise generate config .mise.toml  # generate a specific file\n    $ mise generate config -g          # generate the global config file\n    $ mise generate config -y          # skip interactive editor\n    $ mise generate config -n          # preview without writing\n"

[gemini-code-assist]

The help text for the --global flag in the generate config command uses the word "Edit", which is inconsistent with the command's purpose of generating a configuration file. Additionally, the implementation for this flag seems to be missing from src/cli/generate/config.rs, which will result in the flag being documented but not functional.

        flag "-g --global" help="Generate the global config file (~/.config/mise/config.toml)"