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|
#!/bin/sh
test_description='git log --graph of skewed merges'
. ./test-lib.sh
check_graph () {
cat >expect &&
git log --graph --pretty=tformat:%s "$@" >actual.raw &&
sed "s/ *$//" actual.raw >actual &&
test_cmp expect actual
}
test_expect_success 'log --graph with merge fusing with its left and right neighbors' '
git checkout --orphan _p &&
test_commit A &&
test_commit B &&
git checkout -b _q @^ && test_commit C &&
git checkout -b _r @^ && test_commit D &&
git checkout _p && git merge --no-ff _q _r -m E &&
git checkout _r && test_commit F &&
git checkout _p && git merge --no-ff _r -m G &&
git checkout @^^ && git merge --no-ff _p -m H &&
check_graph <<-\EOF
* H
|\
| * G
| |\
| | * F
| * | E
|/|\|
| | * D
| * | C
| |/
* / B
|/
* A
EOF
'
test_expect_success 'log --graph with left-skewed merge' '
git checkout --orphan 0_p && test_commit 0_A &&
git checkout -b 0_q 0_p && test_commit 0_B &&
git checkout -b 0_r 0_p &&
test_commit 0_C &&
test_commit 0_D &&
git checkout -b 0_s 0_p && test_commit 0_E &&
git checkout -b 0_t 0_p && git merge --no-ff 0_r^ 0_s -m 0_F &&
git checkout 0_p && git merge --no-ff 0_s -m 0_G &&
git checkout @^ && git merge --no-ff 0_q 0_r 0_t 0_p -m 0_H &&
check_graph <<-\EOF
*-----. 0_H
|\ \ \ \
| | | | * 0_G
| |_|_|/|
|/| | | |
| | | * | 0_F
| |_|/|\|
|/| | | |
| | | | * 0_E
| |_|_|/
|/| | |
| | * | 0_D
| | |/
| | * 0_C
| |/
|/|
| * 0_B
|/
* 0_A
EOF
'
test_expect_success 'log --graph with nested left-skewed merge' '
git checkout --orphan 1_p &&
test_commit 1_A &&
test_commit 1_B &&
test_commit 1_C &&
git checkout -b 1_q @^ && test_commit 1_D &&
git checkout 1_p && git merge --no-ff 1_q -m 1_E &&
git checkout -b 1_r @~3 && test_commit 1_F &&
git checkout 1_p && git merge --no-ff 1_r -m 1_G &&
git checkout @^^ && git merge --no-ff 1_p -m 1_H &&
check_graph <<-\EOF
* 1_H
|\
| * 1_G
| |\
| | * 1_F
| * | 1_E
|/| |
| * | 1_D
* | | 1_C
|/ /
* / 1_B
|/
* 1_A
EOF
'
test_expect_success 'log --graph with nested left-skewed merge following normal merge' '
git checkout --orphan 2_p &&
test_commit 2_A &&
test_commit 2_B &&
test_commit 2_C &&
git checkout -b 2_q @^^ &&
test_commit 2_D &&
test_commit 2_E &&
git checkout -b 2_r @^ && test_commit 2_F &&
git checkout 2_q &&
git merge --no-ff 2_r -m 2_G &&
git merge --no-ff 2_p^ -m 2_H &&
git checkout -b 2_s @^^ && git merge --no-ff 2_q -m 2_J &&
git checkout 2_p && git merge --no-ff 2_s -m 2_K &&
check_graph <<-\EOF
* 2_K
|\
| * 2_J
| |\
| | * 2_H
| | |\
| | * | 2_G
| |/| |
| | * | 2_F
| * | | 2_E
| |/ /
| * | 2_D
* | | 2_C
| |/
|/|
* | 2_B
|/
* 2_A
EOF
'
test_expect_success 'log --graph with nested right-skewed merge following left-skewed merge' '
git checkout --orphan 3_p &&
test_commit 3_A &&
git checkout -b 3_q &&
test_commit 3_B &&
test_commit 3_C &&
git checkout -b 3_r @^ &&
test_commit 3_D &&
git checkout 3_q && git merge --no-ff 3_r -m 3_E &&
git checkout 3_p && git merge --no-ff 3_q -m 3_F &&
git checkout 3_r && test_commit 3_G &&
git checkout 3_p && git merge --no-ff 3_r -m 3_H &&
git checkout @^^ && git merge --no-ff 3_p -m 3_J &&
check_graph <<-\EOF
* 3_J
|\
| * 3_H
| |\
| | * 3_G
| * | 3_F
|/| |
| * | 3_E
| |\|
| | * 3_D
| * | 3_C
| |/
| * 3_B
|/
* 3_A
EOF
'
test_expect_success 'log --graph with right-skewed merge following a left-skewed one' '
git checkout --orphan 4_p &&
test_commit 4_A &&
test_commit 4_B &&
test_commit 4_C &&
git checkout -b 4_q @^^ && test_commit 4_D &&
git checkout -b 4_r 4_p^ && git merge --no-ff 4_q -m 4_E &&
git checkout -b 4_s 4_p^^ &&
git merge --no-ff 4_r -m 4_F &&
git merge --no-ff 4_p -m 4_G &&
git checkout @^^ && git merge --no-ff 4_s -m 4_H &&
check_graph --date-order <<-\EOF
* 4_H
|\
| * 4_G
| |\
| * | 4_F
|/| |
| * | 4_E
| |\ \
| | * | 4_D
| |/ /
|/| |
| | * 4_C
| |/
| * 4_B
|/
* 4_A
EOF
'
test_expect_success 'log --graph with octopus merge with column joining its penultimate parent' '
git checkout --orphan 5_p &&
test_commit 5_A &&
git branch 5_q &&
git branch 5_r &&
test_commit 5_B &&
git checkout 5_q && test_commit 5_C &&
git checkout 5_r && test_commit 5_D &&
git checkout 5_p &&
git merge --no-ff 5_q 5_r -m 5_E &&
git checkout 5_q && test_commit 5_F &&
git checkout -b 5_s 5_p^ &&
git merge --no-ff 5_p 5_q -m 5_G &&
git checkout 5_r &&
git merge --no-ff 5_s -m 5_H &&
check_graph <<-\EOF
* 5_H
|\
| *-. 5_G
| |\ \
| | | * 5_F
| | * | 5_E
| |/|\ \
| |_|/ /
|/| | /
| | |/
* | | 5_D
| | * 5_C
| |/
|/|
| * 5_B
|/
* 5_A
EOF
'
test_done
|
