summaryrefslogtreecommitdiffstats
path: root/t/t6019-rev-list-ancestry-path.sh
blob: 738da23628b12b4660105195e2bbcedf68416f33 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
#!/bin/sh

test_description='--ancestry-path'

#          D---E-------F
#         /     \       \
#    B---C---G---H---I---J
#   /                     \
#  A-------K---------------L--M
#
#  D..M                                     == E F G H I J K L M
#  --ancestry-path                     D..M == E F   H I J   L M
#  --ancestry-path=F                   D..M == E F       J   L M
#  --ancestry-path=G                   D..M ==     G H I J   L M
#  --ancestry-path=H                   D..M == E   G H I J   L M
#  --ancestry-path=K                   D..M ==             K L M
#  --ancestry-path=K --ancestry-path=F D..M == E F       J K L M
#
#  D..M -- M.t                 == M
#  --ancestry-path D..M -- M.t == M
#
#  F...I                 == F G H I
#  --ancestry-path F...I == F H I
#
#  G..M -- G.t                 == [nothing - was dropped in "-s ours" merge L]
#  --ancestry-path G..M -- G.t == L
#  --ancestry-path --simplify-merges G^..M -- G.t == G L

GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME

. ./test-lib.sh

test_merge () {
	test_tick &&
	git merge -s ours -m "$2" "$1" &&
	git tag "$2"
}

test_expect_success setup '
	test_commit A &&
	test_commit B &&
	test_commit C &&
	test_commit D &&
	test_commit E &&
	test_commit F &&
	git reset --hard C &&
	test_commit G &&
	test_merge E H &&
	test_commit I &&
	test_merge F J &&
	git reset --hard A &&
	test_commit K &&
	test_merge J L &&
	test_commit M
'

test_ancestry () {
	args=$1
	expected=$2
	test_expect_success "log $args" "
		test_write_lines $expected >expect &&
		git log --format=%s $args >raw &&

		if test -n \"$expected\"
		then
			sort raw >actual &&
			test_cmp expect actual
		else
			test_must_be_empty raw
		fi
	"
}

test_ancestry "D..M" "E F G H I J K L M"

test_ancestry "--ancestry-path D..M" "E F H I J L M"
test_ancestry "--ancestry-path=F D..M" "E F J L M"
test_ancestry "--ancestry-path=G D..M" "G H I J L M"
test_ancestry "--ancestry-path=H D..M" "E G H I J L M"
test_ancestry "--ancestry-path=K D..M" "K L M"
test_ancestry "--ancestry-path=F --ancestry-path=K D..M" "E F J K L M"

test_ancestry "D..M -- M.t" "M"
test_ancestry "--ancestry-path D..M -- M.t" "M"

test_ancestry "F...I" "F G H I"
test_ancestry "--ancestry-path F...I" "F H I"

test_ancestry "G..M -- G.t" ""
test_ancestry "--ancestry-path G..M -- G.t" "L"
test_ancestry "--ancestry-path --simplify-merges G^..M -- G.t" "G L"

#   b---bc
#  / \ /
# a   X
#  \ / \
#   c---cb
#
# All refnames prefixed with 'x' to avoid confusion with the tags
# generated by test_commit on case-insensitive systems.
test_expect_success 'setup criss-cross' '
	mkdir criss-cross &&
	(cd criss-cross &&
	 git init &&
	 test_commit A &&
	 git checkout -b xb main &&
	 test_commit B &&
	 git checkout -b xc main &&
	 test_commit C &&
	 git checkout -b xbc xb -- &&
	 git merge xc &&
	 git checkout -b xcb xc -- &&
	 git merge xb &&
	 git checkout main)
'

# no commits in bc descend from cb
test_expect_success 'criss-cross: rev-list --ancestry-path cb..bc' '
	(cd criss-cross &&
	 git rev-list --ancestry-path xcb..xbc > actual &&
	 test_must_be_empty actual)
'

# no commits in repository descend from cb
test_expect_success 'criss-cross: rev-list --ancestry-path --all ^cb' '
	(cd criss-cross &&
	 git rev-list --ancestry-path --all ^xcb > actual &&
	 test_must_be_empty actual)
'

test_done