From b649f224a1b9e5d4c541c6dc8767ef0dda4db8b7 Mon Sep 17 00:00:00 2001
From: Sylvain Joyeux <sylvain.joyeux@m4x.org>
Date: Wed, 16 Aug 2017 11:46:41 -0300
Subject: [PATCH 1/6] git: fix submodule updates

---
 test/data/gitrepo-submodule-child.tar  | Bin 0 -> 51200 bytes
 test/data/gitrepo-submodule-master.tar | Bin 0 -> 61440 bytes
 test/import/test_git.rb                |  38 ++++++++++++++++++++++++-
 3 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100644 test/data/gitrepo-submodule-child.tar
 create mode 100644 test/data/gitrepo-submodule-master.tar

diff --git a/test/data/gitrepo-submodule-child.tar b/test/data/gitrepo-submodule-child.tar
new file mode 100644
index 0000000000000000000000000000000000000000..ee9aba31f00b978f15610ec4ff2972aabed716db
GIT binary patch
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HcmV?d00001

diff --git a/test/import/test_git.rb b/test/import/test_git.rb
index 482304d3..8dda7510 100644
--- a/test/import/test_git.rb
+++ b/test/import/test_git.rb
@@ -3,7 +3,7 @@
 describe Autobuild::Git do
     attr_reader :pkg, :importer, :gitrepo
     before do
-        untar('gitrepo.tar')
+        tempdir = untar('gitrepo.tar')
         @gitrepo = File.join(tempdir, 'gitrepo.git')
         @pkg = Autobuild::Package.new 'test'
         pkg.srcdir = File.join(tempdir, 'git')
@@ -504,5 +504,41 @@ def pin_importer(id, options = Hash.new)
             common_commit_and_tag_behaviour
         end
     end
+
+    describe "submodule handling" do
+        before do
+            tempdir = untar 'gitrepo-submodule-master.tar'
+            untar 'gitrepo-submodule-child.tar'
+            srcdir     = File.join(tempdir, 'gitrepo-submodule-master')
+            @pkg       = Autobuild::Package.new 'submodule_test'
+            pkg.srcdir = srcdir
+            @importer  = Autobuild.git("#{srcdir}.git", with_submodules: true)
+            pkg.importer = importer
+        end
+        it "checks submodules out on checkout" do
+            importer.import(pkg)
+            assert File.exist?(File.join(pkg.srcdir, 'child', '.git'))
+            assert_equal "Commit 1", File.read(File.join(pkg.srcdir, 'child', 'FILE')).strip
+        end
+        it "properly updates submodules if the checkout is pinned to a tag or commit" do
+            importer.relocate(importer.repository, commit: '80910fa21d92b8f387503d366a52c14b1ced4041')
+            importer.import(pkg)
+            assert File.exist?(File.join(pkg.srcdir, 'child', '.git'))
+            assert_equal "Commit 0", File.read(File.join(pkg.srcdir, 'child', 'FILE')).strip
+        end
+        it "updates submodules on update" do
+            importer.relocate(importer.repository, commit: '80910fa21d92b8f387503d366a52c14b1ced4041')
+            importer.import(pkg)
+            importer.relocate(importer.repository, commit: nil)
+            importer.import(pkg)
+            assert_equal "Commit 1", File.read(File.join(pkg.srcdir, 'child', 'FILE')).strip
+        end
+        it "updates submodules on reset" do
+            importer.import(pkg)
+            importer.relocate(importer.repository, commit: '80910fa21d92b8f387503d366a52c14b1ced4041')
+            importer.import(pkg, reset: :force)
+            assert_equal "Commit 0", File.read(File.join(pkg.srcdir, 'child', 'FILE')).strip
+        end
+    end
 end
 

From 107bcda601b90871eb453dabf13f88c126a1d9b5 Mon Sep 17 00:00:00 2001
From: Sylvain Joyeux <sylvain.joyeux@m4x.org>
Date: Wed, 16 Aug 2017 11:48:42 -0300
Subject: [PATCH 2/6] git: allow resetting the tag and/or commit argument in
 #relocate

---
 lib/autobuild/import/git.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/autobuild/import/git.rb b/lib/autobuild/import/git.rb
index 6a3fbc81..90008bb5 100644
--- a/lib/autobuild/import/git.rb
+++ b/lib/autobuild/import/git.rb
@@ -1095,8 +1095,8 @@ def relocate(repository, options = Hash.new)
                 @local_branch = local_branch
                 @remote_branch = remote_branch
             end
-            @tag    = options[:tag] || @tag
-            @commit = options[:commit] || @commit
+            @tag    = options.fetch(:tag, @tag)
+            @commit = options.fetch(:commit, @commit)
 
             @repository = repository.to_str
             @repository_id = options[:repository_id] ||

From ad2a6f750360d6dc2dbaaeb02fbde2ba3c7d09a2 Mon Sep 17 00:00:00 2001
From: Sylvain Joyeux <sylvain.joyeux@m4x.org>
Date: Wed, 16 Aug 2017 11:49:04 -0300
Subject: [PATCH 3/6] git: update submodules when in #update

---
 lib/autobuild/import/git.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/autobuild/import/git.rb b/lib/autobuild/import/git.rb
index 90008bb5..3507ad85 100644
--- a/lib/autobuild/import/git.rb
+++ b/lib/autobuild/import/git.rb
@@ -1029,6 +1029,10 @@ def update(package, options = Hash.new)
             else
                 merge_if_simple(package, target_commit)
             end
+
+            if with_submodules?
+                run_git(package, "submodule", "update")
+            end
         end
 
         # @api private

From 4bf2071c91676785bbcd77b218b2f40cb17c8738 Mon Sep 17 00:00:00 2001
From: Sylvain Joyeux <sylvain.joyeux@m4x.org>
Date: Wed, 16 Aug 2017 13:29:12 -0300
Subject: [PATCH 4/6] git: improve test readability by moving common code in
 helpers

---
 test/import/test_git.rb | 71 +++++++++++++++++++++++++++++------------
 1 file changed, 51 insertions(+), 20 deletions(-)

diff --git a/test/import/test_git.rb b/test/import/test_git.rb
index 8dda7510..018e5b93 100644
--- a/test/import/test_git.rb
+++ b/test/import/test_git.rb
@@ -507,6 +507,7 @@ def pin_importer(id, options = Hash.new)
 
     describe "submodule handling" do
         before do
+            @master_root_commit = '8fc7584'
             tempdir = untar 'gitrepo-submodule-master.tar'
             untar 'gitrepo-submodule-child.tar'
             srcdir     = File.join(tempdir, 'gitrepo-submodule-master')
@@ -515,30 +516,60 @@ def pin_importer(id, options = Hash.new)
             @importer  = Autobuild.git("#{srcdir}.git", with_submodules: true)
             pkg.importer = importer
         end
-        it "checks submodules out on checkout" do
-            importer.import(pkg)
-            assert File.exist?(File.join(pkg.srcdir, 'child', '.git'))
-            assert_equal "Commit 1", File.read(File.join(pkg.srcdir, 'child', 'FILE')).strip
+
+        describe "checkout" do
+            it "checkouts submodules" do
+                import
+                assert_checkout_file_exist 'child', '.git'
+                assert_equal "Commit 1\n", checkout_read('child', 'FILE')
+            end
+            it "checkouts submodules at the state of the tag/commit pin" do
+                import commit: @master_root_commit
+                assert_equal "Commit 0\n", checkout_read('child', 'FILE')
+            end
         end
-        it "properly updates submodules if the checkout is pinned to a tag or commit" do
-            importer.relocate(importer.repository, commit: '80910fa21d92b8f387503d366a52c14b1ced4041')
-            importer.import(pkg)
-            assert File.exist?(File.join(pkg.srcdir, 'child', '.git'))
-            assert_equal "Commit 0", File.read(File.join(pkg.srcdir, 'child', 'FILE')).strip
+
+        describe "update" do
+            it "updates submodules" do
+                import commit: @master_root_commit
+                import commit: nil
+                assert_equal "Commit 1\n", checkout_read('child', 'FILE')
+            end
         end
-        it "updates submodules on update" do
-            importer.relocate(importer.repository, commit: '80910fa21d92b8f387503d366a52c14b1ced4041')
-            importer.import(pkg)
-            importer.relocate(importer.repository, commit: nil)
-            importer.import(pkg)
-            assert_equal "Commit 1", File.read(File.join(pkg.srcdir, 'child', 'FILE')).strip
+
+        describe "reset" do
+            it "resets submodules" do
+                import
+                force_reset commit: @master_root_commit
+                assert_equal "Commit 0\n", checkout_read('child', 'FILE')
+            end
         end
-        it "updates submodules on reset" do
-            importer.import(pkg)
-            importer.relocate(importer.repository, commit: '80910fa21d92b8f387503d366a52c14b1ced4041')
-            importer.import(pkg, reset: :force)
-            assert_equal "Commit 0", File.read(File.join(pkg.srcdir, 'child', 'FILE')).strip
+    end
+
+    def assert_checkout_file_exist(*file)
+        assert File.exist?(checkout_path(*file))
+    end
+    def refute_checkout_file_exist(*file)
+        refute File.exist?(checkout_path(*file))
+    end
+    def checkout_path(*file)
+        File.join(pkg.srcdir, *file)
+    end
+    def checkout_read(*file)
+        File.read(checkout_path(*file))
+    end
+    def force_reset(**options)
+        if !options.empty?
+            importer.relocate(importer.repository, **options)
+        end
+        importer.import(pkg, reset: :force)
+    end
+
+    def import(**options)
+        if !options.empty?
+            importer.relocate(importer.repository, **options)
         end
+        importer.import(pkg)
     end
 end
 

From 8358484cdaa7b04fdc73874b4a1830e785548613 Mon Sep 17 00:00:00 2001
From: Sylvain Joyeux <sylvain.joyeux@m4x.org>
Date: Wed, 16 Aug 2017 13:29:54 -0300
Subject: [PATCH 5/6] git: fix update and reset in case new submodules are
 added by the target commit

---
 lib/autobuild/import/git.rb            |   2 +-
 test/data/gitrepo-submodule-master.tar | Bin 61440 -> 81920 bytes
 test/import/test_git.rb                |  12 ++++++++++++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/lib/autobuild/import/git.rb b/lib/autobuild/import/git.rb
index 3507ad85..da5c1450 100644
--- a/lib/autobuild/import/git.rb
+++ b/lib/autobuild/import/git.rb
@@ -1031,7 +1031,7 @@ def update(package, options = Hash.new)
             end
 
             if with_submodules?
-                run_git(package, "submodule", "update")
+                run_git(package, "submodule", "update", '--init')
             end
         end
 
diff --git a/test/data/gitrepo-submodule-master.tar b/test/data/gitrepo-submodule-master.tar
index f2c798ff64093b67dc37e8dfa0e2d897b68799e4..f94ffa122cffa8d50f3df0820e99ba1f04267d50 100644
GIT binary patch
delta 3913
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delta 1132
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diff --git a/test/import/test_git.rb b/test/import/test_git.rb
index 018e5b93..ecf579f9 100644
--- a/test/import/test_git.rb
+++ b/test/import/test_git.rb
@@ -535,6 +535,12 @@ def pin_importer(id, options = Hash.new)
                 import commit: nil
                 assert_equal "Commit 1\n", checkout_read('child', 'FILE')
             end
+            it "initializes new submodules" do
+                import commit: @master_root_commit
+                FileUtils.rm_rf checkout_path('commit1_submodule')
+                import commit: nil
+                assert_equal "Commit 1\n", checkout_read('commit1_submodule', 'FILE')
+            end
         end
 
         describe "reset" do
@@ -543,6 +549,12 @@ def pin_importer(id, options = Hash.new)
                 force_reset commit: @master_root_commit
                 assert_equal "Commit 0\n", checkout_read('child', 'FILE')
             end
+            it "initializes new submodules" do
+                import
+                refute_checkout_file_exist 'commit0_submodule'
+                force_reset commit: @master_root_commit
+                assert_equal "Commit 1\n", checkout_read('commit0_submodule', 'FILE')
+            end
         end
     end
 

From eda8e55c45ad95b7663a15af393eaf05d2624f6f Mon Sep 17 00:00:00 2001
From: Sylvain Joyeux <sylvain.joyeux@m4x.org>
Date: Wed, 16 Aug 2017 13:30:25 -0300
Subject: [PATCH 6/6] git: add helper scripts to handle fixture git repos

---
 test/data/git-expand-tar | 11 +++++++++++
 test/data/git-make-tar   | 11 +++++++++++
 2 files changed, 22 insertions(+)
 create mode 100755 test/data/git-expand-tar
 create mode 100755 test/data/git-make-tar

diff --git a/test/data/git-expand-tar b/test/data/git-expand-tar
new file mode 100755
index 00000000..92ab1cc6
--- /dev/null
+++ b/test/data/git-expand-tar
@@ -0,0 +1,11 @@
+#! /bin/sh -e
+
+gitrepo=$1
+if ! test -f $gitrepo.tar; then
+    echo "$gitrepo.tar does not exist"
+    exit 1
+fi
+
+rm -rf $gitrepo $gitrepo.git
+tar xf $gitrepo.tar
+git clone $gitrepo.git $gitrepo
diff --git a/test/data/git-make-tar b/test/data/git-make-tar
new file mode 100755
index 00000000..a493ce45
--- /dev/null
+++ b/test/data/git-make-tar
@@ -0,0 +1,11 @@
+#! /bin/sh -e
+
+gitrepo=$1
+if ! test -d $gitrepo; then
+    echo "$gitrepo does not exist"
+    exit 1
+fi
+
+rm -rf $gitrepo.git $gitrepo.tar
+git clone --bare $gitrepo $gitrepo.git
+tar cf $gitrepo.tar $gitrepo.git