feat: add basics libraries

- logging helper
- is_help

Signed-off-by: Julien Bouyoud <jBouyoud@users.noreply.github.com>

scripts/lib/is_help.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env sh
+
+set -eu
+
+is_help() {
+    case "$1" in
+    -h | --help | help)
+        return 0
+        ;;
+    *)
+        return 1
+        ;;
+    esac
+}

scripts/lib/log.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env sh
+
+set -eu
+
+# Output infos
+QUIET="${HELM_CONFIG_SCHEME_QUIET:-false}"
+
+log_info() {
+    if [ "${QUIET}" = "false" ]; then
+        printf "[config-scheme]%s\n" "$@" >&2
+    fi
+}
+
+log_error() {
+    echo
+    printf "[config-scheme]%s\n" "$@"
+}

tests/unit/quiet.bats

@@ -0,0 +1,34 @@
+#!/usr/bin/env bats
+
+load '../lib/helper'
+load '../bats/extensions/bats-support/load'
+load '../bats/extensions/bats-assert/load'
+load '../bats/extensions/bats-file/load'
+
+@test "quiet: default" {
+    run helm config-scheme add scheme1 test.yaml
+    assert_success
+    assert_output --partial "[config-scheme][registry] Creating 'scheme1'"
+    assert_output --partial "[config-scheme][registry] Add file uri 'test.yaml' to scheme 'scheme1'"
+}
+
+@test "quiet: -q" {
+    run helm config-scheme -q add scheme1 test.yaml
+    assert_success
+    refute_output --partial "[config-scheme][registry] Creating 'scheme1'"
+    refute_output --partial "[config-scheme][registry] Add file uri 'test.yaml' to scheme 'scheme1'"
+}
+
+@test "quiet: --quiet" {
+    run helm config-scheme --quiet add scheme1 test.yaml
+    assert_success
+    refute_output --partial "[config-scheme][registry] Creating 'scheme1'"
+    refute_output --partial "[config-scheme][registry] Add file uri 'test.yaml' to scheme 'scheme1'"
+}
+
+@test "quiet: env var" {
+    HELM_CONFIG_SCHEME_QUIET=true run helm config-scheme -q add scheme1 test.yaml
+    assert_success
+    refute_output --partial "[config-scheme][registry] Creating 'scheme1'"
+    refute_output --partial "[config-scheme][registry] Add file uri 'test.yaml' to scheme 'scheme1'"
+}