merge(third_party/git): Merge squashed git subtree at v2.23.0

Merge commit '1b593e1ea4' as 'third_party/git'
2020-01-11 23:36:56 +00:00 · 2020-01-11 23:36:56 +00:00 · 7ef0d62730
commit 7ef0d62730
parent 6a2a300707 1b593e1ea4
3629 changed files with 1139935 additions and 0 deletions
--- a/third_party/git/t/chainlint/close-subshell.expect
+++ b/third_party/git/t/chainlint/close-subshell.expect
@ -0,0 +1,25 @@
+(
+	foo
+>) &&
+(
+	bar
+>) >out &&
+(
+	baz
+>) 2>err &&
+(
+	boo
+>) <input &&
+(
+	bip
+>) | wuzzle &&
+(
+	bop
+>) | fazz 	fozz &&
+(
+	bup
+>) |
+fuzzle &&
+(
+	yop
+>)