merge(third_party/git): Merge squashed git subtree at v2.23.0 r/373

Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'

1 files changed, 357 insertions, 0 deletions

diff --git a/third_party/git/t/t3206-range-diff.sh b/third_party/git/t/t3206-range-diff.sh
new file mode 100755
index 000000000000..ec548654ce1c
--- /dev/null
+++ b/third_party/git/t/t3206-range-diff.sh
@@ -0,0 +1,357 @@
+#!/bin/sh
+
+test_description='range-diff tests'
+
+. ./test-lib.sh
+
+# Note that because of the range-diff's heuristics, test_commit does more
+# harm than good.  We need some real history.
+
+test_expect_success 'setup' '
+	git fast-import < "$TEST_DIRECTORY"/t3206/history.export
+'
+
+test_expect_success 'simple A..B A..C (unmodified)' '
+	git range-diff --no-color master..topic master..unmodified \
+		>actual &&
+	cat >expected <<-EOF &&
+	1:  4de457d = 1:  35b9b25 s/5/A/
+	2:  fccce22 = 2:  de345ab s/4/A/
+	3:  147e64e = 3:  9af6654 s/11/B/
+	4:  a63e992 = 4:  2901f77 s/12/B/
+	EOF
+	test_cmp expected actual
+'
+
+test_expect_success 'simple B...C (unmodified)' '
+	git range-diff --no-color topic...unmodified >actual &&
+	# same "expected" as above
+	test_cmp expected actual
+'
+
+test_expect_success 'simple A B C (unmodified)' '
+	git range-diff --no-color master topic unmodified >actual &&
+	# same "expected" as above
+	test_cmp expected actual
+'
+
+test_expect_success 'trivial reordering' '
+	git range-diff --no-color master topic reordered >actual &&
+	cat >expected <<-EOF &&
+	1:  4de457d = 1:  aca177a s/5/A/
+	3:  147e64e = 2:  14ad629 s/11/B/
+	4:  a63e992 = 3:  ee58208 s/12/B/
+	2:  fccce22 = 4:  307b27a s/4/A/
+	EOF
+	test_cmp expected actual
+'
+
+test_expect_success 'removed a commit' '
+	git range-diff --no-color master topic removed >actual &&
+	cat >expected <<-EOF &&
+	1:  4de457d = 1:  7657159 s/5/A/
+	2:  fccce22 < -:  ------- s/4/A/
+	3:  147e64e = 2:  43d84d3 s/11/B/
+	4:  a63e992 = 3:  a740396 s/12/B/
+	EOF
+	test_cmp expected actual
+'
+
+test_expect_success 'added a commit' '
+	git range-diff --no-color master topic added >actual &&
+	cat >expected <<-EOF &&
+	1:  4de457d = 1:  2716022 s/5/A/
+	2:  fccce22 = 2:  b62accd s/4/A/
+	-:  ------- > 3:  df46cfa s/6/A/
+	3:  147e64e = 4:  3e64548 s/11/B/
+	4:  a63e992 = 5:  12b4063 s/12/B/
+	EOF
+	test_cmp expected actual
+'
+
+test_expect_success 'new base, A B C' '
+	git range-diff --no-color master topic rebased >actual &&
+	cat >expected <<-EOF &&
+	1:  4de457d = 1:  cc9c443 s/5/A/
+	2:  fccce22 = 2:  c5d9641 s/4/A/
+	3:  147e64e = 3:  28cc2b6 s/11/B/
+	4:  a63e992 = 4:  5628ab7 s/12/B/
+	EOF
+	test_cmp expected actual
+'
+
+test_expect_success 'new base, B...C' '
+	# this syntax includes the commits from master!
+	git range-diff --no-color topic...rebased >actual &&
+	cat >expected <<-EOF &&
+	-:  ------- > 1:  a31b12e unrelated
+	1:  4de457d = 2:  cc9c443 s/5/A/
+	2:  fccce22 = 3:  c5d9641 s/4/A/
+	3:  147e64e = 4:  28cc2b6 s/11/B/
+	4:  a63e992 = 5:  5628ab7 s/12/B/
+	EOF
+	test_cmp expected actual
+'
+
+test_expect_success 'changed commit' '
+	git range-diff --no-color topic...changed >actual &&
+	cat >expected <<-EOF &&
+	1:  4de457d = 1:  a4b3333 s/5/A/
+	2:  fccce22 = 2:  f51d370 s/4/A/
+	3:  147e64e ! 3:  0559556 s/11/B/
+	    @@ file: A
+	      9
+	      10
+	     -11
+	    -+B
+	    ++BB
+	      12
+	      13
+	      14
+	4:  a63e992 ! 4:  d966c5c s/12/B/
+	    @@ file
+	     @@ file: A
+	      9
+	      10
+	    - B
+	    + BB
+	     -12
+	     +B
+	      13
+	EOF
+	test_cmp expected actual
+'
+
+test_expect_success 'changed commit with --no-patch diff option' '
+	git range-diff --no-color --no-patch topic...changed >actual &&
+	cat >expected <<-EOF &&
+	1:  4de457d = 1:  a4b3333 s/5/A/
+	2:  fccce22 = 2:  f51d370 s/4/A/
+	3:  147e64e ! 3:  0559556 s/11/B/
+	4:  a63e992 ! 4:  d966c5c s/12/B/
+	EOF
+	test_cmp expected actual
+'
+
+test_expect_success 'changed commit with --stat diff option' '
+	git range-diff --no-color --stat topic...changed >actual &&
+	cat >expected <<-EOF &&
+	1:  4de457d = 1:  a4b3333 s/5/A/
+	     a => b | 0
+	     1 file changed, 0 insertions(+), 0 deletions(-)
+	2:  fccce22 = 2:  f51d370 s/4/A/
+	     a => b | 0
+	     1 file changed, 0 insertions(+), 0 deletions(-)
+	3:  147e64e ! 3:  0559556 s/11/B/
+	     a => b | 0
+	     1 file changed, 0 insertions(+), 0 deletions(-)
+	4:  a63e992 ! 4:  d966c5c s/12/B/
+	     a => b | 0
+	     1 file changed, 0 insertions(+), 0 deletions(-)
+	EOF
+	test_cmp expected actual
+'
+
+test_expect_success 'changed commit with sm config' '
+	git range-diff --no-color --submodule=log topic...changed >actual &&
+	cat >expected <<-EOF &&
+	1:  4de457d = 1:  a4b3333 s/5/A/
+	2:  fccce22 = 2:  f51d370 s/4/A/
+	3:  147e64e ! 3:  0559556 s/11/B/
+	    @@ file: A
+	      9
+	      10
+	     -11
+	    -+B
+	    ++BB
+	      12
+	      13
+	      14
+	4:  a63e992 ! 4:  d966c5c s/12/B/
+	    @@ file
+	     @@ file: A
+	      9
+	      10
+	    - B
+	    + BB
+	     -12
+	     +B
+	      13
+	EOF
+	test_cmp expected actual
+'
+
+test_expect_success 'renamed file' '
+	git range-diff --no-color --submodule=log topic...renamed-file >actual &&
+	sed s/Z/\ /g >expected <<-EOF &&
+	1:  4de457d = 1:  f258d75 s/5/A/
+	2:  fccce22 ! 2:  017b62d s/4/A/
+	    @@ Metadata
+	    ZAuthor: Thomas Rast <trast@inf.ethz.ch>
+	    Z
+	    Z ## Commit message ##
+	    -    s/4/A/
+	    +    s/4/A/ + rename file
+	    Z
+	    - ## file ##
+	    + ## file => renamed-file ##
+	    Z@@
+	    Z 1
+	    Z 2
+	3:  147e64e ! 3:  3ce7af6 s/11/B/
+	    @@ Metadata
+	    Z ## Commit message ##
+	    Z    s/11/B/
+	    Z
+	    - ## file ##
+	    -@@ file: A
+	    + ## renamed-file ##
+	    +@@ renamed-file: A
+	    Z 8
+	    Z 9
+	    Z 10
+	4:  a63e992 ! 4:  1e6226b s/12/B/
+	    @@ Metadata
+	    Z ## Commit message ##
+	    Z    s/12/B/
+	    Z
+	    - ## file ##
+	    -@@ file: A
+	    + ## renamed-file ##
+	    +@@ renamed-file: A
+	    Z 9
+	    Z 10
+	    Z B
+	EOF
+	test_cmp expected actual
+'
+
+test_expect_success 'file added and later removed' '
+	git range-diff --no-color --submodule=log topic...added-removed >actual &&
+	sed s/Z/\ /g >expected <<-EOF &&
+	1:  4de457d = 1:  096b1ba s/5/A/
+	2:  fccce22 ! 2:  d92e698 s/4/A/
+	    @@ Metadata
+	    ZAuthor: Thomas Rast <trast@inf.ethz.ch>
+	    Z
+	    Z ## Commit message ##
+	    -    s/4/A/
+	    +    s/4/A/ + new-file
+	    Z
+	    Z ## file ##
+	    Z@@
+	    @@ file
+	    Z A
+	    Z 6
+	    Z 7
+	    +
+	    + ## new-file (new) ##
+	3:  147e64e ! 3:  9a1db4d s/11/B/
+	    @@ Metadata
+	    ZAuthor: Thomas Rast <trast@inf.ethz.ch>
+	    Z
+	    Z ## Commit message ##
+	    -    s/11/B/
+	    +    s/11/B/ + remove file
+	    Z
+	    Z ## file ##
+	    Z@@ file: A
+	    @@ file: A
+	    Z 12
+	    Z 13
+	    Z 14
+	    +
+	    + ## new-file (deleted) ##
+	4:  a63e992 = 4:  fea3b5c s/12/B/
+	EOF
+	test_cmp expected actual
+'
+
+test_expect_success 'no commits on one side' '
+	git commit --amend -m "new message" &&
+	git range-diff master HEAD@{1} HEAD
+'
+
+test_expect_success 'changed message' '
+	git range-diff --no-color topic...changed-message >actual &&
+	sed s/Z/\ /g >expected <<-EOF &&
+	1:  4de457d = 1:  f686024 s/5/A/
+	2:  fccce22 ! 2:  4ab067d s/4/A/
+	    @@ Metadata
+	    Z ## Commit message ##
+	    Z    s/4/A/
+	    Z
+	    +    Also a silly comment here!
+	    +
+	    Z ## file ##
+	    Z@@
+	    Z 1
+	3:  147e64e = 3:  b9cb956 s/11/B/
+	4:  a63e992 = 4:  8add5f1 s/12/B/
+	EOF
+	test_cmp expected actual
+'
+
+test_expect_success 'dual-coloring' '
+	sed -e "s|^:||" >expect <<-\EOF &&
+	:<YELLOW>1:  a4b3333 = 1:  f686024 s/5/A/<RESET>
+	:<RED>2:  f51d370 <RESET><YELLOW>!<RESET><GREEN> 2:  4ab067d<RESET><YELLOW> s/4/A/<RESET>
+	:    <REVERSE><CYAN>@@<RESET> <RESET>Metadata<RESET>
+	:      ## Commit message ##<RESET>
+	:         s/4/A/<RESET>
+	:     <RESET>
+	:    <REVERSE><GREEN>+<RESET><BOLD>    Also a silly comment here!<RESET>
+	:    <REVERSE><GREEN>+<RESET>
+	:      ## file ##<RESET>
+	:    <CYAN> @@<RESET>
+	:      1<RESET>
+	:<RED>3:  0559556 <RESET><YELLOW>!<RESET><GREEN> 3:  b9cb956<RESET><YELLOW> s/11/B/<RESET>
+	:    <REVERSE><CYAN>@@<RESET> <RESET>file: A<RESET>
+	:      9<RESET>
+	:      10<RESET>
+	:    <RED> -11<RESET>
+	:    <REVERSE><RED>-<RESET><FAINT;GREEN>+BB<RESET>
+	:    <REVERSE><GREEN>+<RESET><BOLD;GREEN>+B<RESET>
+	:      12<RESET>
+	:      13<RESET>
+	:      14<RESET>
+	:<RED>4:  d966c5c <RESET><YELLOW>!<RESET><GREEN> 4:  8add5f1<RESET><YELLOW> s/12/B/<RESET>
+	:    <REVERSE><CYAN>@@<RESET> <RESET>file<RESET>
+	:    <CYAN> @@ file: A<RESET>
+	:      9<RESET>
+	:      10<RESET>
+	:    <REVERSE><RED>-<RESET><FAINT> BB<RESET>
+	:    <REVERSE><GREEN>+<RESET><BOLD> B<RESET>
+	:    <RED> -12<RESET>
+	:    <GREEN> +B<RESET>
+	:      13<RESET>
+	EOF
+	git range-diff changed...changed-message --color --dual-color >actual.raw &&
+	test_decode_color >actual <actual.raw &&
+	test_cmp expect actual
+'
+
+for prev in topic master..topic
+do
+	test_expect_success "format-patch --range-diff=$prev" '
+		git format-patch --cover-letter --range-diff=$prev \
+			master..unmodified >actual &&
+		test_when_finished "rm 000?-*" &&
+		test_line_count = 5 actual &&
+		test_i18ngrep "^Range-diff:$" 0000-* &&
+		grep "= 1: .* s/5/A" 0000-* &&
+		grep "= 2: .* s/4/A" 0000-* &&
+		grep "= 3: .* s/11/B" 0000-* &&
+		grep "= 4: .* s/12/B" 0000-*
+	'
+done
+
+test_expect_success 'format-patch --range-diff as commentary' '
+	git format-patch --range-diff=HEAD~1 HEAD~1 >actual &&
+	test_when_finished "rm 0001-*" &&
+	test_line_count = 1 actual &&
+	test_i18ngrep "^Range-diff:$" 0001-* &&
+	grep "> 1: .* new message" 0001-*
+'
+
+test_done