use std::io::{self, Write};
const DOCS_URL: &str = "https://github.com/kiskolabs/pray";
pub fn print_concise_help() {
let _ = writeln!(
io::stdout(),
"pray — reproducible inference input for projects"
);
let _ = writeln!(io::stdout());
let _ = writeln!(
io::stdout(),
"Declare shared instructions in Prayfile, lock versions, and render tool-specific output."
);
let _ = writeln!(io::stdout());
let _ = writeln!(io::stdout(), "Getting started:");
let _ = writeln!(io::stdout(), " pray init");
let _ = writeln!(io::stdout(), " pray install");
let _ = writeln!(io::stdout(), " pray plan");
let _ = writeln!(io::stdout(), " pray apply");
let _ = writeln!(io::stdout(), " pray verify");
let _ = writeln!(io::stdout());
print_command_groups();
let _ = writeln!(io::stdout());
let _ = writeln!(
io::stdout(),
"Run `pray help <command>` or `pray <command> --help` for one command."
);
let _ = writeln!(io::stdout(), "Documentation: {DOCS_URL}");
let _ = writeln!(
io::stdout(),
"Exit codes: 0 success; 2 usage/parse; 3 resolution; 4 integrity; 5 render; 6 verify; 8 unsupported."
);
}
pub fn print_command_help(command: &str) -> bool {
if let Some(text) = command_help_text(command) {
let _ = writeln!(io::stdout(), "{text}");
let _ = writeln!(io::stdout());
let _ = writeln!(io::stdout(), "Documentation: {DOCS_URL}");
true
} else {
false
}
}
fn print_command_groups() {
let _ = writeln!(io::stdout(), "Workflow:");
for line in WORKFLOW_COMMANDS {
let _ = writeln!(io::stdout(), " {line}");
}
let _ = writeln!(io::stdout(), "Packages:");
for line in PACKAGE_COMMANDS {
let _ = writeln!(io::stdout(), " {line}");
}
let _ = writeln!(io::stdout(), "Distribution:");
for line in DISTRIBUTION_COMMANDS {
let _ = writeln!(io::stdout(), " {line}");
}
let _ = writeln!(io::stdout(), "Trust:");
for line in TRUST_COMMANDS {
let _ = writeln!(io::stdout(), " {line}");
}
let _ = writeln!(io::stdout(), "Inspect:");
for line in INSPECT_COMMANDS {
let _ = writeln!(io::stdout(), " {line}");
}
let _ = writeln!(io::stdout(), "Meta:");
for line in META_COMMANDS {
let _ = writeln!(io::stdout(), " {line}");
}
let _ = writeln!(
io::stdout(),
"Global flags: --path PATH, --file-path PATH, --env NAME, --no-input (disable prompts), --rm (ephemeral home), --trust [--global]"
);
}
const WORKFLOW_COMMANDS: &[&str] = &[
"install [--locked|--frozen|--offline] resolve, render, and write Prayfile.lock",
"plan [--remote] preview materialization changes",
"apply apply the current plan",
"verify [--strict] check rendered output against the lockfile",
"drift [--semantic] compare lockfile to current resolution",
"render [--check] render targets without updating the lockfile",
"format|fmt rewrite Prayfile to recommended destination DSL",
];
const PACKAGE_COMMANDS: &[&str] = &[
"add <name> [constraint] [--path PATH]",
"remove <name>",
"update [package] [--major] [--latest] [--dry-run] [--json]",
"unlock <package>",
"vendor copy resolved packages locally",
"clean remove local cache and vendor trees",
];
#[cfg(feature = "auth")]
const DISTRIBUTION_COMMANDS: &[&str] = &[
"publish --root PATH [--server URL ...] [--signing-key PATH]",
"login --server URL --email EMAIL",
"serve [--root PATH] [--host HOST] [--port PORT] [--stdio] [--allow-open-push]",
"sync [--root PATH] [--peer URL ...]",
"confess <package> | --from-lock SPAN_ID [--accepted|--rejected]",
];
#[cfg(not(feature = "auth"))]
const DISTRIBUTION_COMMANDS: &[&str] = &[
"publish --root PATH [--server URL ...] [--signing-key PATH]",
"login --server URL --email EMAIL",
"sync [--root PATH] [--peer URL ...]",
"confess <package> | --from-lock SPAN_ID [--accepted|--rejected]",
];
const TRUST_COMMANDS: &[&str] =
&["trust list|show|add-key|remove-key|set-signed|set-allow|import-repo|import-registry|check"];
const INSPECT_COMMANDS: &[&str] = &[
"list list declared packages",
"outdated [--remote] show constraint vs resolved versions",
"explain <package> show why a package was selected",
"tree print the dependency tree",
];
const META_COMMANDS: &[&str] = &[
"init [--targets tool_a,tool_b]",
"prayer init scaffold a prayer package",
"repo init scaffold a distribution root",
"manifest print canonical Prayfile JSON",
"package build a distributable prayer archive",
"upgrade install the latest pray CLI release",
"version | -V | --version",
];
fn command_help_text(command: &str) -> Option<&'static str> {
match command {
"install" => Some(
"install — resolve packages, render targets, and update Prayfile.lock\n\n\
Usage: pray install [--locked|--frozen|--offline]\n\n\
--locked require an existing lockfile\n\
--frozen require lockfile to match Prayfile exactly\n\
--offline use cache only",
),
"verify" => Some(
"verify — check rendered files against Prayfile.lock\n\n\
Usage: pray verify [--strict]\n\n\
Without --strict, orphan-marker warnings print to stderr but exit 0.\n\
With --strict, any finding fails with exit code 6.",
),
"drift" => Some(
"drift — report differences between lockfile and current resolution\n\n\
Usage: pray drift [--semantic]\n\n\
Exits with code 6 when drift is found.",
),
"update" => Some(
"update — refresh package versions within constraints\n\n\
Usage: pray update [package] [--major] [--latest] [--dry-run] [--json]",
),
"plan" => Some(
"plan — preview install/apply changes\n\n\
Usage: pray plan [--remote]",
),
"apply" => Some("apply — materialize the current resolution plan\n\nUsage: pray apply"),
"trust" => Some(
"trust — manage client trust policy for remote sources\n\n\
Usage: pray trust <subcommand>\n\n\
Subcommands: list, show, add-key, remove-key, set-signed, set-allow, \
import-repo, import-registry, check",
),
"init" => Some(
"init — create a starter Prayfile\n\n\
Usage: pray init [--targets tool_a,tool_b]",
),
"add" => Some(
"add — declare a package in Prayfile\n\n\
Usage: pray add <name> [constraint] [--path PATH]",
),
"publish" => Some(
"publish — upload packages to a registry or local root\n\n\
Usage: pray publish --root PATH [--server URL ...] [--signing-key PATH]\n\n\
Signatures:\n\
- Prefer a publisher signing key via --signing-key PATH or PRAY_SIGNING_KEY\n\
(32-byte ed25519 seed). Publish then records an ed25519 package signature\n\
and signer_public_key so installers can verify the publisher.\n\
- Without a signing key, publish records a legacy content digest so older\n\
registries keep working; prefer a signing key for publisher authenticity.",
),
#[cfg(feature = "auth")]
"serve" => Some(
"serve — run a local registry server\n\n\
Usage: pray serve [--root PATH] [--host HOST] [--port PORT] [--stdio] [--allow-open-push]",
),
"upgrade" => Some(
"upgrade — install the latest pray CLI release\n\n\
Usage: pray upgrade\n\n\
Runs `cargo install pray-cli --locked --force`.",
),
_ => None,
}
}