git

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$ git diff -U initial..side
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diff --git a/dir/sub b/dir/sub
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index 35d242b..7289e35 100644
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--- a/dir/sub
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+++ b/dir/sub
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@@ -1,2 +1,4 @@
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 A
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 B
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+1
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+2
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diff --git a/file0 b/file0
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index 01e79c3..f4615da 100644
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--- a/file0
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+++ b/file0
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@@ -1,3 +1,6 @@
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 1
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 2
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 3
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+A
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+B
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+C
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diff --git a/file3 b/file3
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new file mode 100644
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index 0000000..7289e35
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--- /dev/null
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+++ b/file3
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@@ -0,0 +1,4 @@
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+A
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+B
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+1
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+2
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$
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