19 files changed, 872 insertions(+), 0 deletions(-)

M cmd/mkfile
A cmd/patch/basic.expected
A cmd/patch/basic.in
A cmd/patch/basic.patch
A cmd/patch/create.expected
A cmd/patch/create.patch
A cmd/patch/delete.expected
A cmd/patch/delete.patch
A cmd/patch/header.expected
A cmd/patch/header.in
A cmd/patch/header.patch
A cmd/patch/mkfile
A cmd/patch/multifile.patch
A cmd/patch/multifile1.expected
A cmd/patch/multifile1.in
A cmd/patch/multifile2.expected
A cmd/patch/multifile2.in
A cmd/patch/nop.expected
A cmd/patch/patch.rc

@@ 4,6 4,7 @@ TEST=\
 	cpp\
 	date\
 	git\
+	patch\
 	test\
 
 <../regress

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@@ 0,0 1,42 @@
+--- basic.in
++++ basic.out
+@@ -1,3 +1,5 @@
++1
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+ 3
+ 4
+ 5
+@@ -10,8 +12,8 @@
+ 12
+ 13
+ 14
+-13
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+ 17
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+ 19
+@@ -35,6 +37,8 @@
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+@@ -80,6 +84,7 @@
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+@@ -91,3 +96,5 @@
+ 96
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@@ 0,0 1,15 @@
+--- /dev/null
++++ create.out
+@@ -1,0 +1,12 @@
++1
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++10
++11
++12

@@ 0,0 1,10 @@
+1
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@@ 0,0 1,15 @@
+--- delete.out
++++ /dev/null
+@@ -1,12 +1,0 @@
+-1
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+-10
+-11
+-12

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@@ 0,0 1,54 @@
+diff should handle headers just fine, so
+this file contains a few lines of header
+and footer, with a couple of false starts,
+consisting of lines starting with
+--- some words
+but no immediately following 
++++ words
+lines
+
+--- header.in
++++ header.out
+@@ -1,3 +1,5 @@
++1
++2
+ 3
+ 4
+ 5
+@@ -10,8 +12,8 @@
+ 12
+ 13
+ 14
+-13
+-12
++15
++16
+ 17
+ 18
+ 19
+@@ -35,6 +37,8 @@
+ 37
+ 38
+ 39
++40
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+ 42
+ 43
+ 44
+@@ -80,6 +84,7 @@
+ 84
+ 85
+ 86
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+ 88
+ 89
+ 90
+@@ -91,3 +96,5 @@
+ 96
+ 97
+ 98
++99
++100
+-- signature footer: should not get picked up
+and here is the footer that should
+also be ignored.

@@ 0,0 1,5 @@
+</$objtype/mkfile
+
+TEST=patch
+
+<../../regress

@@ 0,0 1,89 @@
+--- multifile2.in
++++ multifile2.out
+@@ -1,21 +1,19 @@
+-77777
+ 77778
+ 77779
+ 77780
+ 77781
+ 77782
+-77783
+-77784
+-77785
+-77786
+-77787
+-77788
+ 77789
++77788
++77787
++77786
++77785
++77784
++77783
+ 77790
+ 77791
+ 77792
+ 77793
+ 77794
+-77795
+ 77796
+ 77797
+
+of course, each patch can have its own comment
+lines mixed in, so we should handle these.
+--- multifile1.in
++++ multifile1.out
+@@ -14,16 +14,6 @@
+ 12
+ 17
+ 18
+-19
+-20
+-21
+-22
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+ 29
+ 30
+ 31
+@@ -32,20 +22,6 @@
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+@@ -73,11 +49,11 @@
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+77778
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+77785
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+77790
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+77797

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+77777
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@@ 0,0 1,31 @@
+#!/bin/rc -e
+
+fn check{
+	if(! cmp $1 $2){
+		>[2=1] echo fail: $1 $2
+		>[2=1] diff -u $1 $2
+		exit mismatch
+	}
+	status=()
+}
+
+fn checkpatch{
+	rm -f $1.out
+	patch $1.patch
+	check $1.out $1.expected
+}
+
+checkpatch basic
+checkpatch header
+checkpatch create
+
+seq 12 > delete.out
+patch delete.patch
+test ! -f delete.out
+
+rm -f multifile^(1 2)^.out
+patch multifile.patch
+check multifile1.out multifile1.expected
+check multifile2.out multifile2.expected
+
+status=()