add complex custom command integration test

test/integration/customCommandsComplex/expected/.git_keep/COMMIT_EDITMSG

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+test

test/integration/customCommandsComplex/expected/.git_keep/HEAD

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+ref: refs/heads/master

test/integration/customCommandsComplex/expected/.git_keep/config

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+[core]
+	repositoryformatversion = 0
+	filemode = true
+	bare = false
+	logallrefupdates = true
+	ignorecase = true
+	precomposeunicode = true
+[user]
+	email = CI@example.com
+	name = CI

test/integration/customCommandsComplex/expected/.git_keep/description

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+Unnamed repository; edit this file 'description' to name the repository.

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

@@ -0,0 +1,5 @@
+0000000000000000000000000000000000000000 ab38b1ca116f77648925d952e731f419db360cdb CI <CI@example.com> 1642201096 +1100	commit (initial): myfile1
+ab38b1ca116f77648925d952e731f419db360cdb 4fdfedfd9d406506be8b02f5b863dbc08d43cc9f CI <CI@example.com> 1642201096 +1100	commit: myfile2
+4fdfedfd9d406506be8b02f5b863dbc08d43cc9f 7dd93a4be3d27d40fbe791d6d77e0d2fedc4d785 CI <CI@example.com> 1642201096 +1100	commit: myfile3
+7dd93a4be3d27d40fbe791d6d77e0d2fedc4d785 f708d3e3819470a69f6c8562ff1e68eef02f8cac CI <CI@example.com> 1642201096 +1100	commit: myfile4
+f708d3e3819470a69f6c8562ff1e68eef02f8cac 5428838691c97ac192c8b8e1c3f573d8541a94b6 CI <CI@example.com> 1642201104 +1100	commit: test

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

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+0000000000000000000000000000000000000000 ab38b1ca116f77648925d952e731f419db360cdb CI <CI@example.com> 1642201096 +1100	commit (initial): myfile1
+ab38b1ca116f77648925d952e731f419db360cdb 4fdfedfd9d406506be8b02f5b863dbc08d43cc9f CI <CI@example.com> 1642201096 +1100	commit: myfile2
+4fdfedfd9d406506be8b02f5b863dbc08d43cc9f 7dd93a4be3d27d40fbe791d6d77e0d2fedc4d785 CI <CI@example.com> 1642201096 +1100	commit: myfile3
+7dd93a4be3d27d40fbe791d6d77e0d2fedc4d785 f708d3e3819470a69f6c8562ff1e68eef02f8cac CI <CI@example.com> 1642201096 +1100	commit: myfile4
+f708d3e3819470a69f6c8562ff1e68eef02f8cac 5428838691c97ac192c8b8e1c3f573d8541a94b6 CI <CI@example.com> 1642201104 +1100	commit: test

test/integration/customCommandsComplex/expected/.git_keep/objects/ab/38b1ca116f77648925d952e731f419db360cdb

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+x
<01><>A
+<EFBFBD>0@Ѯs<D1AE><73><17>L:#)<29><>1<>P<EFBFBD>!")<29><><EFBFBD>#t<>y<EFBFBD>S5[˥<><CBA5><EFBFBD>*<2A>`<60><><EFBFBD>5df<64> 9<><39>T:<3A><><EFBFBD><EFBFBD>KL<0F>⧽<EFBFBD><0E><04>qz<71>m[<5B><><EFBFBD>

test/integration/customCommandsComplex/expected/.git_keep/objects/f7/08d3e3819470a69f6c8562ff1e68eef02f8cac

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+x
<01><>A
+<EFBFBD>0@Q<>9E<39><45><EFBFBD>$<24>I"BW=F<><46>`<60><>R"<22><><EFBFBD><11>~<7E>◵<EFBFBD><E297B5>[Lt껪u<EABBAA>1<04><03>*Ҍ<>a<EFBFBD>><3E>Fv<46>C<EFBFBD>!<21><><EFBFBD><EFBFBD><EFBFBD>n<EFBFBD>H<EFBFBD><48>f<EFBFBD><66><EFBFBD><10>YcBa<42>QA\U)$q&<26><>c<EFBFBD><63>8<EFBFBD><38>8<EFBFBD><38><EFBFBD><EFBFBD><EFBFBD><EFBFBD>KY<4B><59>"<22>s<EFBFBD><73>؞
<01>Q<EFBFBD><51><EFBFBD>rӾuy*<2A>3<>9<EFBFBD>

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

@@ -0,0 +1 @@
+5428838691c97ac192c8b8e1c3f573d8541a94b6

test/integration/customCommandsComplex/expected/myfile1

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+test1

test/integration/customCommandsComplex/expected/myfile2

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+test2

test/integration/customCommandsComplex/expected/myfile3

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+test3

test/integration/customCommandsComplex/expected/myfile4

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+test4

test/integration/customCommandsComplex/expected/output.txt

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+myfile2 Branch: #master haha true master