add tests for dealing with remotes

test/integration/push/expected/.git_keep/COMMIT_EDITMSG

@@ -0,0 +1 @@
+myfile4

test/integration/push/expected/.git_keep/FETCH_HEAD

@@ -0,0 +1 @@
+547f41a06ebd3bee30fbba3f43631810fa24f1bb		branch 'master' of ../actual_remote

test/integration/push/expected/.git_keep/HEAD

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+ref: refs/heads/master

test/integration/push/expected/.git_keep/config

@@ -0,0 +1,16 @@
+[core]
+	repositoryformatversion = 0
+	filemode = true
+	bare = false
+	logallrefupdates = true
+	ignorecase = true
+	precomposeunicode = true
+[user]
+	email = CI@example.com
+	name = CI
+[remote "origin"]
+	url = ../actual_remote
+	fetch = +refs/heads/*:refs/remotes/origin/*
+[branch "master"]
+	remote = origin
+	merge = refs/heads/master

test/integration/push/expected/.git_keep/description

@@ -0,0 +1 @@
+Unnamed repository; edit this file 'description' to name the repository.

test/integration/push/expected/.git_keep/info/exclude

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+# git ls-files --others --exclude-from=.git/info/exclude
+# Lines that start with '#' are comments.
+# For a project mostly in C, the following would be a good set of
+# exclude patterns (uncomment them if you want to use them):
+# *.[oa]
+# *~
+.DS_Store

test/integration/push/expected/.git_keep/logs/HEAD

@@ -0,0 +1,4 @@
+0000000000000000000000000000000000000000 eb831bc1251f71f602159d98f4550e380007ca4f CI <CI@example.com> 1634897746 +1100	commit (initial): myfile1
+eb831bc1251f71f602159d98f4550e380007ca4f 547f41a06ebd3bee30fbba3f43631810fa24f1bb CI <CI@example.com> 1634897746 +1100	commit: myfile2
+547f41a06ebd3bee30fbba3f43631810fa24f1bb a09547e07257ed0456f498fde1b8214152427384 CI <CI@example.com> 1634897746 +1100	commit: myfile3
+a09547e07257ed0456f498fde1b8214152427384 a6e580c7c3c4ea40bc311466d57a946bb3f77541 CI <CI@example.com> 1634897746 +1100	commit: myfile4

test/integration/push/expected/.git_keep/logs/refs/heads/master

@@ -0,0 +1,4 @@
+0000000000000000000000000000000000000000 eb831bc1251f71f602159d98f4550e380007ca4f CI <CI@example.com> 1634897746 +1100	commit (initial): myfile1
+eb831bc1251f71f602159d98f4550e380007ca4f 547f41a06ebd3bee30fbba3f43631810fa24f1bb CI <CI@example.com> 1634897746 +1100	commit: myfile2
+547f41a06ebd3bee30fbba3f43631810fa24f1bb a09547e07257ed0456f498fde1b8214152427384 CI <CI@example.com> 1634897746 +1100	commit: myfile3
+a09547e07257ed0456f498fde1b8214152427384 a6e580c7c3c4ea40bc311466d57a946bb3f77541 CI <CI@example.com> 1634897746 +1100	commit: myfile4

test/integration/push/expected/.git_keep/logs/refs/remotes/origin/master

@@ -0,0 +1,2 @@
+0000000000000000000000000000000000000000 547f41a06ebd3bee30fbba3f43631810fa24f1bb CI <CI@example.com> 1634897746 +1100	fetch origin: storing head
+547f41a06ebd3bee30fbba3f43631810fa24f1bb a6e580c7c3c4ea40bc311466d57a946bb3f77541 CI <CI@example.com> 1634897748 +1100	update by push

test/integration/push/expected/.git_keep/objects/a0/9547e07257ed0456f498fde1b8214152427384

@@ -0,0 +1,2 @@
+x
��A
+�0E]����L�"BW=�L:��ƖAoo�����=�y+e��t�����)�l�hLh�3���� t�o���|����#�UfU&��∐ wd ��]���������.�����������@џ
Bp��SU��]�ڲ*�`L;W

test/integration/push/expected/.git_keep/objects/a6/e580c7c3c4ea40bc311466d57a946bb3f77541

@@ -0,0 +1,4 @@
+x
��M
+�0@a�9E���$󓀈���H�	�-%��^����-޴��t��}7��
+*
CL@1U�E8��b*�"O�3������@fR
+�6�TʩΆc

test/integration/push/expected/.git_keep/objects/eb/831bc1251f71f602159d98f4550e380007ca4f

@@ -0,0 +1,2 @@
+x
��A
+�0@Ѯs��JF����<ƘL���")���#t�y�S5[ ������S��K4f"��9b'X-�g�"��9��W�a��1ͣ~�ޛ�R�' �������;�9i�'w�+���6�,�

test/integration/push/expected/.git_keep/refs/heads/master

@@ -0,0 +1 @@
+a6e580c7c3c4ea40bc311466d57a946bb3f77541

test/integration/push/expected/.git_keep/refs/remotes/origin/master

@@ -0,0 +1 @@
+a6e580c7c3c4ea40bc311466d57a946bb3f77541

test/integration/push/expected/myfile1

@@ -0,0 +1 @@
+test1

test/integration/push/expected/myfile2

@@ -0,0 +1 @@
+test2

test/integration/push/expected/myfile3

@@ -0,0 +1 @@
+test3

test/integration/push/expected/myfile4

@@ -0,0 +1 @@
+test4