Add contributer module, alternative to the 20k_club script

Uses github cli `gh` to fetch information through the github api to
avoid the need to clone the repositories.

Author: Bahex

make_release/contributer.nu

@@ -0,0 +1,97 @@
+use std/log
+use std/assert
+
+def is-extern-available [command: string] {
+	which --all $command | any { $in.type == external }
+}
+
+def "assert extern-is-available" [...commands: string] {
+	for cmd in $commands {
+		assert (which --all $cmd | any { $in.type == external }) --error-label {
+			text: $"`($cmd)` not found in PATH"
+			span: (metadata $cmd).span
+		}
+	}
+}
+
+export-env {
+	assert extern-is-available gh
+}
+
+const default_repos = [
+	"nushell/new-nu-parser"
+	"nushell/nu-ansi-term"
+	"nushell/nushell"
+	"nushell/nushell.github.io"
+	"nushell/nu_scripts"
+	"nushell/reedline"
+	"nushell/tree-sitter-nu"
+	"nushell/vscode-nushell-lang"
+]
+
+def fetch-contributor-stats [repo: string]: nothing -> record<name: string, stats: table<login: string, contributions: int>> {
+	^gh api /repos/($repo)/contributors --cache 1h --paginate
+	| from json
+	| select login contributions
+	| {
+		name: $repo
+		stats: $in
+	}
+}
+
+# Get the total contribution count of contributors across multiple repositories
+export def stats [
+	repos: list<string> = $default_repos
+]: nothing -> table<user: string, contributions: int> {
+	$default_repos
+	| each {|repo| fetch-contributor-stats $repo }
+	| each {|e| $e.stats | rename -c {login: "user" contributions: $e.name} }
+	| reduce {|e|
+		join --outer $e user
+	}
+	| transpose --header-row
+	| update cells { default --empty 0 }
+	| math sum
+	| transpose user contributions
+	| sort-by --reverse contributions
+}
+
+const club_thresholds = [
+	20
+	50
+	100
+	250
+	500
+	1_000
+	2_500
+	3_000
+]
+
+def bounds [thresholds: list<int>] {
+	$club_thresholds
+	| window 2
+	| each {|e|
+		{
+			name: $e.0
+			bounds: ($e.0)..<($e.1)
+		}
+	}
+	| append {name: ($club_thresholds | last) bounds: (($club_thresholds | last)..)}
+}
+
+# Group contributors across multiple repositories based on their total contribution count
+export def clubs [
+	repos: list<string> = $default_repos
+	--thresholds: list<int> = $club_thresholds
+] {
+	let contributions = stats $repos
+	let clubs_bounds = bounds $thresholds
+
+	$contributions
+	| group-by {|e|
+		$clubs_bounds
+		| where $e.contributions in $it.bounds
+		| try { first | get name }
+	}
+	| reject ""
+}