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

Merge commit '1b593e1ea4' as 'third_party/git'

third_party/git/t/t4252/am-test-1-1

@@ -0,0 +1,19 @@
+From: A U Thor <au.thor@example.com>
+Date: Thu Dec 4 16:00:00 2008 -0800
+Subject: Three
+
+Application of this should be rejected because the first line in the
+context does not match.
+
+diff --git i/file-1 w/file-1
+index 06e567b..10f8342 100644
+--- i/file-1
++++ w/file-1
+@@ -1,6 +1,6 @@
+ One
+ 2
+-3
++Three 
+ 4
+ 5
+ 6

third_party/git/t/t4252/am-test-1-2

@@ -0,0 +1,21 @@
+From: A U Thor <au.thor@example.com>
+Date: Thu Dec 4 16:00:00 2008 -0800
+Subject: Six
+
+Applying this patch with --whitespace=fix should lose 
+the trailing whitespace after "Six".
+
+diff --git i/file-2 w/file-2
+index 06e567b..b6f3a16 100644
+--- i/file-2
++++ w/file-2
+@@ -1,7 +1,7 @@
+ 1
+ 2
+-3
++Three
+ 4
+ 5
+-6
++Six 
+ 7

third_party/git/t/t4252/am-test-2-1

@@ -0,0 +1,19 @@
+From: A U Thor <au.thor@example.com>
+Date: Thu Dec 4 16:00:00 2008 -0800
+Subject: Three
+
+Application of this should be rejected even with -C1 because the
+preimage line in the context does not match.
+
+diff --git i/file-1 w/file-1
+index 06e567b..10f8342 100644
+--- i/file-1
++++ w/file-1
+@@ -1,6 +1,6 @@
+ 1
+ 2
+-Tres
++Three 
+ 4
+ 5
+ 6

third_party/git/t/t4252/am-test-2-2

@@ -0,0 +1,21 @@
+From: A U Thor <au.thor@example.com>
+Date: Thu Dec 4 16:00:00 2008 -0800
+Subject: Six
+
+Applying this patch with -C1 should be successful even though 
+the first line in the context does not match.
+
+diff --git i/file-2 w/file-2
+index 06e567b..b6f3a16 100644
+--- i/file-2
++++ w/file-2
+@@ -1,7 +1,7 @@
+ One
+ 2
+-3
++Three
+ 4
+ 5
+-6
++Six
+ 7

third_party/git/t/t4252/am-test-3-1

@@ -0,0 +1,19 @@
+From: A U Thor <au.thor@example.com>
+Date: Thu Dec 4 16:00:00 2008 -0800
+Subject: Three
+
+Application of this should be rejected even with -p2 because the
+preimage line in the context does not match.
+
+diff --git i/junk/file-1 w/junk/file-1
+index 06e567b..10f8342 100644
+--- i/junk/file-1
++++ w/junk/file-1
+@@ -1,6 +1,6 @@
+ 1
+ 2
+-Tres
++Three 
+ 4
+ 5
+ 6

third_party/git/t/t4252/am-test-3-2

@@ -0,0 +1,21 @@
+From: A U Thor <au.thor@example.com>
+Date: Thu Dec 4 16:00:00 2008 -0800
+Subject: Six
+
+Applying this patch with -p2 should be successful even though
+the patch is against a wrong level.
+
+diff --git i/junk/file-2 w/junk/file-2
+index 06e567b..b6f3a16 100644
+--- i/junk/file-2
++++ w/junk/file-2
+@@ -1,7 +1,7 @@
+ 1
+ 2
+-3
++Three
+ 4
+ 5
+-6
++Six
+ 7

third_party/git/t/t4252/am-test-4-1

@@ -0,0 +1,19 @@
+From: A U Thor <au.thor@example.com>
+Date: Thu Dec 4 16:00:00 2008 -0800
+Subject: Three
+
+Application of this should be rejected even with -C1 -p2 because
+the preimage line in the context does not match.
+
+diff --git i/junk/file-1 w/junk/file-1
+index 06e567b..10f8342 100644
+--- i/junk/file-1
++++ w/junk/file-1
+@@ -1,6 +1,6 @@
+ 1
+ 2
+-Tres
++Three 
+ 4
+ 5
+ 6

third_party/git/t/t4252/am-test-4-2

@@ -0,0 +1,22 @@
+From: A U Thor <au.thor@example.com>
+Date: Thu Dec 4 16:00:00 2008 -0800
+Subject: Six
+
+Applying this patch with -C1 -p2 should be successful even though
+the patch is against a wrong level and the first context line does
+not match.
+
+diff --git i/junk/file-2 w/junk/file-2
+index 06e567b..b6f3a16 100644
+--- i/junk/file-2
++++ w/junk/file-2
+@@ -1,7 +1,7 @@
+ One
+ 2
+-3
++Three
+ 4
+ 5
+-6
++Six
+ 7

third_party/git/t/t4252/am-test-5-1

@@ -0,0 +1,20 @@
+From: A U Thor <au.thor@example.com>
+Date: Thu Dec 4 16:00:00 2008 -0800
+Subject: Six
+
+Applying this patch with --directory='frotz nitfol' should fail
+
+diff --git i/junk/file-2 w/junk/file-2
+index 06e567b..b6f3a16 100644
+--- i/junk/file-2
++++ w/junk/file-2
+@@ -1,7 +1,7 @@
+ One
+ 2
+-3
++Three
+ 4
+ 5
+-6
++Six
+ 7

third_party/git/t/t4252/am-test-5-2

@@ -0,0 +1,15 @@
+From: A U Thor <au.thor@example.com>
+Date: Thu Dec 4 16:00:00 2008 -0800
+Subject: Six
+
+Applying this patch with --directory='frotz nitfol' should succeed
+
+diff --git i/file-5 w/file-5
+new file mode 100644
+index 000000..1d6ed9f
+--- /dev/null
++++ w/file-5
+@@ -0,0 +1,3 @@
++One
++two
++three

third_party/git/t/t4252/am-test-6-1

@@ -0,0 +1,21 @@
+From: A U Thor <au.thor@example.com>
+Date: Thu Dec 4 16:00:00 2008 -0800
+Subject: Huh
+
+Should fail and leave rejects
+
+diff --git i/file-2 w/file-2
+index 06e567b..b6f3a16 100644
+--- i/file-2
++++ w/file-2
+@@ -1,3 +1,3 @@
+-0
++One
+ 2
+ 3
+@@ -4,4 +4,4 @@
+ 4
+ 5
+-6
++Six
+ 7

third_party/git/t/t4252/file-1-0

@@ -0,0 +1,7 @@
+1
+2
+3
+4
+5
+6
+7

third_party/git/t/t4252/file-2-0

@@ -0,0 +1,7 @@
+1
+2
+3
+4
+5
+6
+7