prvng_core/nulib/scripts/validate-command.nu
Jesús Pérez 316622a78f
merge(refactor/lazy-loading): ADR-025 lazy-loading complete
557 files merged. Conflicts resolved:
  - CHANGELOG.md: took refactor/lazy-loading (session changelog)
  - versions.ncl: took refactor/lazy-loading (adds typedialog entries)
2026-04-17 23:09:56 +01:00

53 lines
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Text
Executable file

#!/usr/bin/env nu
# Validate if a command exists in commands-registry.ncl
# Returns: FOUND|true/false or NOT_FOUND
#
# Cache: exports registry to ~/.cache/provisioning/commands-registry.json
# and reuses it until commands-registry.ncl changes (mtime check).
# Typical cold start: ~2s (nickel export). Warm: <50ms (JSON read).
def main [
command_name: string
]: nothing -> nothing {
let registry_file = ($env.PROVISIONING | path join "core/nulib/commands-registry.ncl")
let cache_dir = ($env.HOME | path join ".cache" | path join "provisioning")
let cache_file = ($cache_dir | path join "commands-registry.json")
# Determine if cache is valid (exists and newer than source)
let registry_mtime = (ls $registry_file | get 0.modified)
let use_cache = if ($cache_file | path exists) {
let cache_mtime = (ls $cache_file | get 0.modified)
$cache_mtime > $registry_mtime
} else { false }
# Load or rebuild
let registry_json = if $use_cache {
open --raw $cache_file
} else {
let prov = ($env.PROVISIONING? | default "/usr/local/provisioning")
let result = (do {
^nickel export --format json --import-path $prov $registry_file
} | complete)
if $result.exit_code != 0 {
print "ERROR: Failed to export commands-registry.ncl" >&2
exit 1
}
^mkdir -p $cache_dir
$result.stdout | save --force $cache_file
$result.stdout
}
let commands = ($registry_json | from json | get -o commands | default [])
let matches = ($commands | where {|cmd|
let all = ([$cmd.command] | append ($cmd | get -o aliases | default []))
$command_name in $all
})
if ($matches | is-empty) {
print "NOT_FOUND"
} else {
let m = ($matches | first)
print $"FOUND|($m | get -o requires_daemon | default false)"
}
}