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

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

1 files changed, 411 insertions, 0 deletions

diff --git a/third_party/git/t/t4013-diff-various.sh b/third_party/git/t/t4013-diff-various.sh
new file mode 100755
index 000000000000..a9054d2db116
--- /dev/null
+++ b/third_party/git/t/t4013-diff-various.sh
@@ -0,0 +1,411 @@
+#!/bin/sh
+#
+# Copyright (c) 2006 Junio C Hamano
+#
+
+test_description='Various diff formatting options'
+
+. ./test-lib.sh
+
+LF='
+'
+
+test_expect_success setup '
+
+	GIT_AUTHOR_DATE="2006-06-26 00:00:00 +0000" &&
+	GIT_COMMITTER_DATE="2006-06-26 00:00:00 +0000" &&
+	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
+
+	mkdir dir &&
+	mkdir dir2 &&
+	for i in 1 2 3; do echo $i; done >file0 &&
+	for i in A B; do echo $i; done >dir/sub &&
+	cat file0 >file2 &&
+	git add file0 file2 dir/sub &&
+	git commit -m Initial &&
+
+	git branch initial &&
+	git branch side &&
+
+	GIT_AUTHOR_DATE="2006-06-26 00:01:00 +0000" &&
+	GIT_COMMITTER_DATE="2006-06-26 00:01:00 +0000" &&
+	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
+
+	for i in 4 5 6; do echo $i; done >>file0 &&
+	for i in C D; do echo $i; done >>dir/sub &&
+	rm -f file2 &&
+	git update-index --remove file0 file2 dir/sub &&
+	git commit -m "Second${LF}${LF}This is the second commit." &&
+
+	GIT_AUTHOR_DATE="2006-06-26 00:02:00 +0000" &&
+	GIT_COMMITTER_DATE="2006-06-26 00:02:00 +0000" &&
+	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
+
+	for i in A B C; do echo $i; done >file1 &&
+	git add file1 &&
+	for i in E F; do echo $i; done >>dir/sub &&
+	git update-index dir/sub &&
+	git commit -m Third &&
+
+	GIT_AUTHOR_DATE="2006-06-26 00:03:00 +0000" &&
+	GIT_COMMITTER_DATE="2006-06-26 00:03:00 +0000" &&
+	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
+
+	git checkout side &&
+	for i in A B C; do echo $i; done >>file0 &&
+	for i in 1 2; do echo $i; done >>dir/sub &&
+	cat dir/sub >file3 &&
+	git add file3 &&
+	git update-index file0 dir/sub &&
+	git commit -m Side &&
+
+	GIT_AUTHOR_DATE="2006-06-26 00:04:00 +0000" &&
+	GIT_COMMITTER_DATE="2006-06-26 00:04:00 +0000" &&
+	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
+
+	git checkout master &&
+	git pull -s ours . side &&
+
+	GIT_AUTHOR_DATE="2006-06-26 00:05:00 +0000" &&
+	GIT_COMMITTER_DATE="2006-06-26 00:05:00 +0000" &&
+	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
+
+	for i in A B C; do echo $i; done >>file0 &&
+	for i in 1 2; do echo $i; done >>dir/sub &&
+	git update-index file0 dir/sub &&
+
+	mkdir dir3 &&
+	cp dir/sub dir3/sub &&
+	test-tool chmtime +1 dir3/sub &&
+
+	git config log.showroot false &&
+	git commit --amend &&
+
+	GIT_AUTHOR_DATE="2006-06-26 00:06:00 +0000" &&
+	GIT_COMMITTER_DATE="2006-06-26 00:06:00 +0000" &&
+	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
+	git checkout -b rearrange initial &&
+	for i in B A; do echo $i; done >dir/sub &&
+	git add dir/sub &&
+	git commit -m "Rearranged lines in dir/sub" &&
+	git checkout master &&
+
+	GIT_AUTHOR_DATE="2006-06-26 00:06:00 +0000" &&
+	GIT_COMMITTER_DATE="2006-06-26 00:06:00 +0000" &&
+	export GIT_AUTHOR_DATE GIT_COMMITTER_DATE &&
+	git checkout -b mode initial &&
+	git update-index --chmod=+x file0 &&
+	git commit -m "update mode" &&
+	git checkout -f master &&
+
+	# Same merge as master, but with parents reversed. Hide it in a
+	# pseudo-ref to avoid impacting tests with --all.
+	commit=$(echo reverse |
+		 git commit-tree -p master^2 -p master^1 master^{tree}) &&
+	git update-ref REVERSE $commit &&
+
+	git config diff.renames false &&
+
+	git show-branch
+'
+
+: <<\EOF
+! [initial] Initial
+ * [master] Merge branch 'side'
+  ! [rearrange] Rearranged lines in dir/sub
+   ! [side] Side
+----
+  +  [rearrange] Rearranged lines in dir/sub
+ -   [master] Merge branch 'side'
+ * + [side] Side
+ *   [master^] Third
+ *   [master~2] Second
++*++ [initial] Initial
+EOF
+
+V=$(git version | sed -e 's/^git version //' -e 's/\./\\./g')
+while read magic cmd
+do
+	case "$magic" in
+	'' | '#'*)
+		continue ;;
+	:*)
+		magic=${magic#:}
+		label="$magic-$cmd"
+		case "$magic" in
+		noellipses) ;;
+		*)
+			BUG "unknown magic $magic" ;;
+		esac ;;
+	*)
+		cmd="$magic $cmd" magic=
+		label="$cmd" ;;
+	esac
+	test=$(echo "$label" | sed -e 's|[/ ][/ ]*|_|g')
+	pfx=$(printf "%04d" $test_count)
+	expect="$TEST_DIRECTORY/t4013/diff.$test"
+	actual="$pfx-diff.$test"
+
+	test_expect_success "git $cmd # magic is ${magic:-(not used)}" '
+		{
+			echo "$ git $cmd"
+			case "$magic" in
+			"")
+				GIT_PRINT_SHA1_ELLIPSIS=yes git $cmd ;;
+			noellipses)
+				git $cmd ;;
+			esac |
+			sed -e "s/^\\(-*\\)$V\\(-*\\)\$/\\1g-i-t--v-e-r-s-i-o-n\2/" \
+			    -e "s/^\\(.*mixed; boundary=\"-*\\)$V\\(-*\\)\"\$/\\1g-i-t--v-e-r-s-i-o-n\2\"/"
+			echo "\$"
+		} >"$actual" &&
+		if test -f "$expect"
+		then
+			case $cmd in
+			*format-patch* | *-stat*)
+				test_i18ncmp "$expect" "$actual";;
+			*)
+				test_cmp "$expect" "$actual";;
+			esac &&
+			rm -f "$actual"
+		else
+			# this is to help developing new tests.
+			cp "$actual" "$expect"
+			false
+		fi
+	'
+done <<\EOF
+diff-tree initial
+diff-tree -r initial
+diff-tree -r --abbrev initial
+diff-tree -r --abbrev=4 initial
+diff-tree --root initial
+diff-tree --root --abbrev initial
+:noellipses diff-tree --root --abbrev initial
+diff-tree --root -r initial
+diff-tree --root -r --abbrev initial
+:noellipses diff-tree --root -r --abbrev initial
+diff-tree --root -r --abbrev=4 initial
+:noellipses diff-tree --root -r --abbrev=4 initial
+diff-tree -p initial
+diff-tree --root -p initial
+diff-tree --patch-with-stat initial
+diff-tree --root --patch-with-stat initial
+diff-tree --patch-with-raw initial
+diff-tree --root --patch-with-raw initial
+
+diff-tree --pretty initial
+diff-tree --pretty --root initial
+diff-tree --pretty -p initial
+diff-tree --pretty --stat initial
+diff-tree --pretty --summary initial
+diff-tree --pretty --stat --summary initial
+diff-tree --pretty --root -p initial
+diff-tree --pretty --root --stat initial
+# improved by Timo's patch
+diff-tree --pretty --root --summary initial
+# improved by Timo's patch
+diff-tree --pretty --root --summary -r initial
+diff-tree --pretty --root --stat --summary initial
+diff-tree --pretty --patch-with-stat initial
+diff-tree --pretty --root --patch-with-stat initial
+diff-tree --pretty --patch-with-raw initial
+diff-tree --pretty --root --patch-with-raw initial
+
+diff-tree --pretty=oneline initial
+diff-tree --pretty=oneline --root initial
+diff-tree --pretty=oneline -p initial
+diff-tree --pretty=oneline --root -p initial
+diff-tree --pretty=oneline --patch-with-stat initial
+# improved by Timo's patch
+diff-tree --pretty=oneline --root --patch-with-stat initial
+diff-tree --pretty=oneline --patch-with-raw initial
+diff-tree --pretty=oneline --root --patch-with-raw initial
+
+diff-tree --pretty side
+diff-tree --pretty -p side
+diff-tree --pretty --patch-with-stat side
+
+diff-tree initial mode
+diff-tree --stat initial mode
+diff-tree --summary initial mode
+
+diff-tree master
+diff-tree -p master
+diff-tree -p -m master
+diff-tree -c master
+diff-tree -c --abbrev master
+:noellipses diff-tree -c --abbrev master
+diff-tree --cc master
+# stat only should show the diffstat with the first parent
+diff-tree -c --stat master
+diff-tree --cc --stat master
+diff-tree -c --stat --summary master
+diff-tree --cc --stat --summary master
+# stat summary should show the diffstat and summary with the first parent
+diff-tree -c --stat --summary side
+diff-tree --cc --stat --summary side
+diff-tree --cc --shortstat master
+diff-tree --cc --summary REVERSE
+# improved by Timo's patch
+diff-tree --cc --patch-with-stat master
+# improved by Timo's patch
+diff-tree --cc --patch-with-stat --summary master
+# this is correct
+diff-tree --cc --patch-with-stat --summary side
+
+log master
+log -p master
+log --root master
+log --root -p master
+log --patch-with-stat master
+log --root --patch-with-stat master
+log --root --patch-with-stat --summary master
+# improved by Timo's patch
+log --root -c --patch-with-stat --summary master
+# improved by Timo's patch
+log --root --cc --patch-with-stat --summary master
+log -p --first-parent master
+log -m -p --first-parent master
+log -m -p master
+log -SF master
+log -S F master
+log -SF -p master
+log -SF master --max-count=0
+log -SF master --max-count=1
+log -SF master --max-count=2
+log -GF master
+log -GF -p master
+log -GF -p --pickaxe-all master
+log --decorate --all
+log --decorate=full --all
+
+rev-list --parents HEAD
+rev-list --children HEAD
+
+whatchanged master
+:noellipses whatchanged master
+whatchanged -p master
+whatchanged --root master
+:noellipses whatchanged --root master
+whatchanged --root -p master
+whatchanged --patch-with-stat master
+whatchanged --root --patch-with-stat master
+whatchanged --root --patch-with-stat --summary master
+# improved by Timo's patch
+whatchanged --root -c --patch-with-stat --summary master
+# improved by Timo's patch
+whatchanged --root --cc --patch-with-stat --summary master
+whatchanged -SF master
+:noellipses whatchanged -SF master
+whatchanged -SF -p master
+
+log --patch-with-stat master -- dir/
+whatchanged --patch-with-stat master -- dir/
+log --patch-with-stat --summary master -- dir/
+whatchanged --patch-with-stat --summary master -- dir/
+
+show initial
+show --root initial
+show side
+show master
+show -c master
+show -m master
+show --first-parent master
+show --stat side
+show --stat --summary side
+show --patch-with-stat side
+show --patch-with-raw side
+:noellipses show --patch-with-raw side
+show --patch-with-stat --summary side
+
+format-patch --stdout initial..side
+format-patch --stdout initial..master^
+format-patch --stdout initial..master
+format-patch --stdout --no-numbered initial..master
+format-patch --stdout --numbered initial..master
+format-patch --attach --stdout initial..side
+format-patch --attach --stdout --suffix=.diff initial..side
+format-patch --attach --stdout initial..master^
+format-patch --attach --stdout initial..master
+format-patch --inline --stdout initial..side
+format-patch --inline --stdout initial..master^
+format-patch --inline --stdout --numbered-files initial..master
+format-patch --inline --stdout initial..master
+format-patch --inline --stdout --subject-prefix=TESTCASE initial..master
+config format.subjectprefix DIFFERENT_PREFIX
+format-patch --inline --stdout initial..master^^
+format-patch --stdout --cover-letter -n initial..master^
+
+diff --abbrev initial..side
+diff -U initial..side
+diff -U1 initial..side
+diff -r initial..side
+diff --stat initial..side
+diff -r --stat initial..side
+diff initial..side
+diff --patch-with-stat initial..side
+diff --patch-with-raw initial..side
+:noellipses diff --patch-with-raw initial..side
+diff --patch-with-stat -r initial..side
+diff --patch-with-raw -r initial..side
+:noellipses diff --patch-with-raw -r initial..side
+diff --name-status dir2 dir
+diff --no-index --name-status dir2 dir
+diff --no-index --name-status -- dir2 dir
+diff --no-index dir dir3
+diff master master^ side
+# Can't use spaces...
+diff --line-prefix=abc master master^ side
+diff --dirstat master~1 master~2
+diff --dirstat initial rearrange
+diff --dirstat-by-file initial rearrange
+diff --dirstat --cc master~1 master
+# No-index --abbrev and --no-abbrev
+diff --raw initial
+:noellipses diff --raw initial
+diff --raw --abbrev=4 initial
+:noellipses diff --raw --abbrev=4 initial
+diff --raw --no-abbrev initial
+diff --no-index --raw dir2 dir
+:noellipses diff --no-index --raw dir2 dir
+diff --no-index --raw --abbrev=4 dir2 dir
+:noellipses diff --no-index --raw --abbrev=4 dir2 dir
+diff --no-index --raw --no-abbrev dir2 dir
+
+diff-tree --pretty --root --stat --compact-summary initial
+diff-tree --pretty -R --root --stat --compact-summary initial
+diff-tree --stat --compact-summary initial mode
+diff-tree -R --stat --compact-summary initial mode
+EOF
+
+test_expect_success 'log -S requires an argument' '
+	test_must_fail git log -S
+'
+
+test_expect_success 'diff --cached on unborn branch' '
+	echo ref: refs/heads/unborn >.git/HEAD &&
+	git diff --cached >result &&
+	test_cmp "$TEST_DIRECTORY/t4013/diff.diff_--cached" result
+'
+
+test_expect_success 'diff --cached -- file on unborn branch' '
+	git diff --cached -- file0 >result &&
+	test_cmp "$TEST_DIRECTORY/t4013/diff.diff_--cached_--_file0" result
+'
+test_expect_success 'diff --line-prefix with spaces' '
+	git diff --line-prefix="| | | " --cached -- file0 >result &&
+	test_cmp "$TEST_DIRECTORY/t4013/diff.diff_--line-prefix_--cached_--_file0" result
+'
+
+test_expect_success 'diff-tree --stdin with log formatting' '
+	cat >expect <<-\EOF &&
+	Side
+	Third
+	Second
+	EOF
+	git rev-list master | git diff-tree --stdin --format=%s -s >actual &&
+	test_cmp expect actual
+'
+
+test_done