fix: add handling len(pkgs) == 0

Reviewed-on: #46

assets/coverage-badge.svg

@@ -11,7 +11,7 @@
     <g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="11">
         <text x="33.5" y="15" fill="#010101" fill-opacity=".3">coverage</text>
         <text x="33.5" y="14">coverage</text>
-        <text x="86" y="15" fill="#010101" fill-opacity=".3">19.5%</text>
-        <text x="86" y="14">19.5%</text>
+        <text x="86" y="15" fill="#010101" fill-opacity=".3">19.8%</text>
+        <text x="86" y="14">19.8%</text>
     </g>
 </svg>

internal/translations/default.pot

@@ -365,69 +365,69 @@ msgstr ""
 msgid "Building package"
 msgstr ""
 
-#: pkg/build/build.go:231
+#: pkg/build/build.go:208
+msgid "The checksums array must be the same length as sources"
+msgstr ""
+
+#: pkg/build/build.go:235
 msgid "Downloading sources"
 msgstr ""
 
-#: pkg/build/build.go:253
+#: pkg/build/build.go:257
 msgid "Building package metadata"
 msgstr ""
 
-#: pkg/build/build.go:275
+#: pkg/build/build.go:279
 msgid "Compressing package"
 msgstr ""
 
-#: pkg/build/build.go:434
+#: pkg/build/build.go:438
 msgid ""
 "Your system's CPU architecture doesn't match this package. Do you want to "
 "build anyway?"
 msgstr ""
 
-#: pkg/build/build.go:448
+#: pkg/build/build.go:452
 msgid "This package is already installed"
 msgstr ""
 
-#: pkg/build/build.go:472
+#: pkg/build/build.go:476
 msgid "Installing build dependencies"
 msgstr ""
 
-#: pkg/build/build.go:513
+#: pkg/build/build.go:517
 msgid "Installing dependencies"
 msgstr ""
 
-#: pkg/build/build.go:548
-msgid "The checksums array must be the same length as sources"
-msgstr ""
-
-#: pkg/build/build.go:599
+#: pkg/build/build.go:598
 msgid "Would you like to remove the build dependencies?"
 msgstr ""
 
-#: pkg/build/build.go:662
+#: pkg/build/build.go:661
 msgid "Executing prepare()"
 msgstr ""
 
-#: pkg/build/build.go:672
+#: pkg/build/build.go:671
 msgid "Executing build()"
 msgstr ""
 
-#: pkg/build/build.go:702 pkg/build/build.go:722
+#: pkg/build/build.go:701 pkg/build/build.go:721
 msgid "Executing %s()"
 msgstr ""
 
-#: pkg/build/build.go:781
+#: pkg/build/build.go:780
 msgid "Error installing native packages"
 msgstr ""
 
-#: pkg/build/build.go:805
+#: pkg/build/build.go:804
 msgid "Error installing package"
 msgstr ""
 
-#: pkg/build/build.go:864
+#: pkg/build/build.go:863
 msgid "AutoProv is not implemented for this package format, so it's skipped"
 msgstr ""
 
-#: pkg/build/build.go:875
+#: pkg/build/build.go:874
 msgid "AutoReq is not implemented for this package format, so it's skipped"
 msgstr ""
 

internal/translations/po/ru/default.po

@@ -12,8 +12,8 @@ msgstr ""
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
-"n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
 "X-Generator: Gtranslator 47.1\n"
 
 #: build.go:44
@@ -379,19 +379,23 @@ msgstr "Не удалось предложить пользователю про
 msgid "Building package"
 msgstr "Сборка пакета"
 
-#: pkg/build/build.go:231
+#: pkg/build/build.go:208
+msgid "The checksums array must be the same length as sources"
+msgstr "Массив контрольных сумм должен быть той же длины, что и источники"
+
+#: pkg/build/build.go:235
 msgid "Downloading sources"
 msgstr "Скачивание источников"
 
-#: pkg/build/build.go:253
+#: pkg/build/build.go:257
 msgid "Building package metadata"
 msgstr "Сборка метаданных пакета"
 
-#: pkg/build/build.go:275
+#: pkg/build/build.go:279
 msgid "Compressing package"
 msgstr "Сжатие пакета"
 
-#: pkg/build/build.go:434
+#: pkg/build/build.go:438
 msgid ""
 "Your system's CPU architecture doesn't match this package. Do you want to "
 "build anyway?"
@@ -399,52 +403,48 @@ msgstr ""
 "Архитектура процессора вашей системы не соответствует этому пакету. Вы все "
 "равно хотите выполнить сборку?"
 
-#: pkg/build/build.go:448
+#: pkg/build/build.go:452
 msgid "This package is already installed"
 msgstr "Этот пакет уже установлен"
 
-#: pkg/build/build.go:472
+#: pkg/build/build.go:476
 msgid "Installing build dependencies"
 msgstr "Установка зависимостей сборки"
 
-#: pkg/build/build.go:513
+#: pkg/build/build.go:517
 msgid "Installing dependencies"
 msgstr "Установка зависимостей"
 
-#: pkg/build/build.go:548
-msgid "The checksums array must be the same length as sources"
-msgstr "Массив контрольных сумм должен быть той же длины, что и источники"
-
-#: pkg/build/build.go:599
+#: pkg/build/build.go:598
 msgid "Would you like to remove the build dependencies?"
 msgstr "Хотели бы вы удалить зависимости сборки?"
 
-#: pkg/build/build.go:662
+#: pkg/build/build.go:661
 msgid "Executing prepare()"
 msgstr "Исполнение prepare()"
 
-#: pkg/build/build.go:672
+#: pkg/build/build.go:671
 msgid "Executing build()"
 msgstr "Исполнение build()"
 
-#: pkg/build/build.go:702 pkg/build/build.go:722
+#: pkg/build/build.go:701 pkg/build/build.go:721
 msgid "Executing %s()"
 msgstr "Исполнение %s()"
 
-#: pkg/build/build.go:781
+#: pkg/build/build.go:780
 msgid "Error installing native packages"
 msgstr "Ошибка при установке нативных пакетов"
 
-#: pkg/build/build.go:805
+#: pkg/build/build.go:804
 msgid "Error installing package"
 msgstr "Ошибка при установке пакета"
 
-#: pkg/build/build.go:864
+#: pkg/build/build.go:863
 msgid "AutoProv is not implemented for this package format, so it's skipped"
 msgstr ""
 "AutoProv не реализовано для этого формата пакета, поэтому будет пропущено"
 
-#: pkg/build/build.go:875
+#: pkg/build/build.go:874
 msgid "AutoReq is not implemented for this package format, so it's skipped"
 msgstr ""
 "AutoReq не реализовано для этого формата пакета, поэтому будет пропущено"

pkg/build/build.go

@@ -203,8 +203,12 @@ func (b *Builder) BuildPackage(ctx context.Context) ([]string, []string, error)
 	buildDepends = removeDuplicates(buildDepends)
 	optDepends = removeDuplicates(optDepends)
 	depends = removeDuplicates(depends)
-	sources = removeDuplicates(sources)
-	checksums = removeDuplicates(checksums)
+
+	if len(sources) != len(checksums) {
+		slog.Error(gotext.Get("The checksums array must be the same length as sources"))
+		os.Exit(1)
+	}
+	sources, checksums = removeDuplicatesSources(sources, checksums)
 
 	mergedVars := types.BuildVars{
 		Sources:   sources,
@@ -544,11 +548,6 @@ func (b *Builder) buildALRDeps(ctx context.Context, depends []string) (builtPath
 }
 
 func (b *Builder) getSources(ctx context.Context, dirs types.Directories, bv *types.BuildVars) error {
-	if len(bv.Sources) != len(bv.Checksums) {
-		slog.Error(gotext.Get("The checksums array must be the same length as sources"))
-		os.Exit(1)
-	}
-
 	for i, src := range bv.Sources {
 		opts := dl.Options{
 			Name:        fmt.Sprintf("%s[%d]", bv.Name, i),

pkg/build/utils.go

@@ -313,3 +313,24 @@ func removeDuplicates(slice []string) []string {
 
 	return result
 }
+
+func removeDuplicatesSources(sources, checksums []string) ([]string, []string) {
+	seen := map[string]string{}
+	keys := make([]string, 0)
+	for i, s := range sources {
+		if val, ok := seen[s]; !ok || strings.EqualFold(val, "SKIP") {
+			if !ok {
+				keys = append(keys, s)
+			}
+			seen[s] = checksums[i]
+		}
+	}
+
+	newSources := make([]string, len(keys))
+	newChecksums := make([]string, len(keys))
+	for i, k := range keys {
+		newSources[i] = k
+		newChecksums[i] = seen[k]
+	}
+	return newSources, newChecksums
+}

pkg/build/utils_internal_test.go

@@ -0,0 +1,47 @@
+// ALR - Any Linux Repository
+// Copyright (C) 2025 Евгений Храмов
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package build
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestRemoveDuplicatesSources(t *testing.T) {
+	type testCase struct {
+		Name         string
+		Sources      []string
+		Checksums    []string
+		NewSources   []string
+		NewChecksums []string
+	}
+
+	for _, tc := range []testCase{{
+		Name:         "prefer non-skip values",
+		Sources:      []string{"a", "b", "c", "a"},
+		Checksums:    []string{"skip", "skip", "skip", "1"},
+		NewSources:   []string{"a", "b", "c"},
+		NewChecksums: []string{"1", "skip", "skip"},
+	}} {
+		t.Run(tc.Name, func(t *testing.T) {
+			s, c := removeDuplicatesSources(tc.Sources, tc.Checksums)
+			assert.Equal(t, s, tc.NewSources)
+			assert.Equal(t, c, tc.NewChecksums)
+		})
+	}
+}

upgrade.go

@@ -152,6 +152,10 @@ func checkForUpdates(
 				return nil, err
 			}
 
+			if len(pkgs) == 0 {
+				continue
+			}
+
 			pkg := pkgs[0]
 
 			repoVer := pkg.Version