Fix issues found by revive linter

.golangci.yml

@@ -26,6 +26,7 @@ linters:
         linters:
           - dupl          # We don't mind duplicated code in tests. It helps with clarity
           - varnamelen    # We don't mind short var names in tests.
+          - revive        # Complains too much about unused-params, but they help with tests readibility
       - path: test/
         linters:
           - dupl

cmd/get.go

@@ -45,7 +45,7 @@ func newGetCommand() *cobra.Command {
 	return cmd
 }
 
-func runGetCommand(cmd *cobra.Command, args []string) error {
+func runGetCommand(_ *cobra.Command, args []string) error {
 	var url string
 	if len(args) > 0 {
 		url = args[0]

cmd/list.go

@@ -35,7 +35,7 @@ func newListCommand() *cobra.Command {
 	return cmd
 }
 
-func runListCommand(cmd *cobra.Command, args []string) error {
+func runListCommand(_ *cobra.Command, _ []string) error {
 	cfg.Expand(cfg.KeyReposRoot)
 
 	config := &pkg.ListCfg{

cmd/main.go

@@ -1,3 +1,7 @@
+// This program behaves as a git subcommand (see https://git.github.io/htmldocs/howto/new-command.html)
+// When added to PATH, git recognizes it as its subcommand and it can be invoked as "git get..." or "git list..."
+// It can also be invoked as a regular binary with subcommands: "git-get get..." or "git-get list"
+// The following flow detects the invokation method and runs the appropriate command.
 package main
 
 import (
@@ -6,11 +10,6 @@ import (
 	"strings"
 )
 
-// This program behaves as a git subcommand (see https://git.github.io/htmldocs/howto/new-command.html)
-// When added to PATH, git recognizes it as its subcommand and it can be invoked as "git get..." or "git list..."
-// It can also be invoked as a regular binary with subcommands: "git-get get..." or "git-get list"
-// The following flow detects the invokation method and runs the appropriate command.
-
 func main() {
 	command, args := determineCommand()
 	executeCommand(command, args)

pkg/git/config.go

@@ -1,3 +1,4 @@
+// Package git implements functionalities to read and manipulate git repositories
 package git
 
 import (

pkg/git/test/helpers.go

@@ -1,3 +1,4 @@
+// Package test contains helper utilities and functions creating pre-configured test repositories for testing purposes
 package test
 
 import (

pkg/print/print.go

@@ -1,3 +1,4 @@
+// Package print implements different outputs for git-list command
 package print
 
 import (

pkg/url.go

@@ -1,3 +1,4 @@
+// Package pkg implements the primary funcionality of the commands: list and get
 package pkg
 
 import (