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Merge branch 'np/log-graph-octopus-fix' into maint

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"git log --graph" showing an octopus merge sometimes miscounted the
number of display columns it is consuming to show the merge and its
parent commits, which has been corrected.

* np/log-graph-octopus-fix:
  log: fix coloring of certain octopus merge shapes
This commit is contained in:
Junio C Hamano
2018-11-21 22:57:49 +09:00
parent 3f0c460b45 04005834ed
commit a51c63809e
2 changed files with 144 additions and 14 deletions
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102
t/t4214-log-graph-octopus.sh Executable file
View File

@ -0,0 +1,102 @@
#!/bin/sh
test_description='git log --graph of skewed left octopus merge.'
. ./test-lib.sh
test_expect_success 'set up merge history' '
cat >expect.uncolored <<-\EOF &&
* left
| *---. octopus-merge
| |\ \ \
|/ / / /
| | | * 4
| | * | 3
| | |/
| * | 2
| |/
* | 1
|/
* initial
EOF
cat >expect.colors <<-\EOF &&
* left
<RED>|<RESET> *<BLUE>-<RESET><BLUE>-<RESET><MAGENTA>-<RESET><MAGENTA>.<RESET> octopus-merge
<RED>|<RESET> <RED>|<RESET><YELLOW>\<RESET> <BLUE>\<RESET> <MAGENTA>\<RESET>
<RED>|<RESET><RED>/<RESET> <YELLOW>/<RESET> <BLUE>/<RESET> <MAGENTA>/<RESET>
<RED>|<RESET> <YELLOW>|<RESET> <BLUE>|<RESET> * 4
<RED>|<RESET> <YELLOW>|<RESET> * <MAGENTA>|<RESET> 3
<RED>|<RESET> <YELLOW>|<RESET> <MAGENTA>|<RESET><MAGENTA>/<RESET>
<RED>|<RESET> * <MAGENTA>|<RESET> 2
<RED>|<RESET> <MAGENTA>|<RESET><MAGENTA>/<RESET>
* <MAGENTA>|<RESET> 1
<MAGENTA>|<RESET><MAGENTA>/<RESET>
* initial
EOF
test_commit initial &&
for i in 1 2 3 4 ; do
git checkout master -b $i || return $?
# Make tag name different from branch name, to avoid
# ambiguity error when calling checkout.
test_commit $i $i $i tag$i || return $?
done &&
git checkout 1 -b merge &&
test_tick &&
git merge -m octopus-merge 1 2 3 4 &&
git checkout 1 -b L &&
test_commit left
'
test_expect_success 'log --graph with tricky octopus merge with colors' '
test_config log.graphColors red,green,yellow,blue,magenta,cyan &&
git log --color=always --graph --date-order --pretty=tformat:%s --all >actual.colors.raw &&
test_decode_color <actual.colors.raw | sed "s/ *\$//" >actual.colors &&
test_cmp expect.colors actual.colors
'
test_expect_success 'log --graph with tricky octopus merge, no color' '
git log --color=never --graph --date-order --pretty=tformat:%s --all >actual.raw &&
sed "s/ *\$//" actual.raw >actual &&
test_cmp expect.uncolored actual
'
# Repeat the previous two tests with "normal" octopus merge (i.e.,
# without the first parent skewing to the "left" branch column).
test_expect_success 'log --graph with normal octopus merge, no color' '
cat >expect.uncolored <<-\EOF &&
*---. octopus-merge
|\ \ \
| | | * 4
| | * | 3
| | |/
| * | 2
| |/
* | 1
|/
* initial
EOF
git log --color=never --graph --date-order --pretty=tformat:%s merge >actual.raw &&
sed "s/ *\$//" actual.raw >actual &&
test_cmp expect.uncolored actual
'
test_expect_success 'log --graph with normal octopus merge with colors' '
cat >expect.colors <<-\EOF &&
*<YELLOW>-<RESET><YELLOW>-<RESET><BLUE>-<RESET><BLUE>.<RESET> octopus-merge
<RED>|<RESET><GREEN>\<RESET> <YELLOW>\<RESET> <BLUE>\<RESET>
<RED>|<RESET> <GREEN>|<RESET> <YELLOW>|<RESET> * 4
<RED>|<RESET> <GREEN>|<RESET> * <BLUE>|<RESET> 3
<RED>|<RESET> <GREEN>|<RESET> <BLUE>|<RESET><BLUE>/<RESET>
<RED>|<RESET> * <BLUE>|<RESET> 2
<RED>|<RESET> <BLUE>|<RESET><BLUE>/<RESET>
* <BLUE>|<RESET> 1
<BLUE>|<RESET><BLUE>/<RESET>
* initial
EOF
test_config log.graphColors red,green,yellow,blue,magenta,cyan &&
git log --color=always --graph --date-order --pretty=tformat:%s merge >actual.colors.raw &&
test_decode_color <actual.colors.raw | sed "s/ *\$//" >actual.colors &&
test_cmp expect.colors actual.colors
'
test_done