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Merge branch 'ds/graph-assert-fix'

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Since recent updates to the log graph rendering code, drawing
certain merges started triggering an assert on a condition that
would no longer hold true, which has been corrected.

* ds/graph-assert-fix:
  graph: fix lack of color in horizontal lines
  graph: drop assert() for merge with two collapsing parents
This commit is contained in:
Junio C Hamano 2020-01-08 12:44:12 -08:00
commit 1f5f3ffe5c
2 changed files with 80 additions and 8 deletions
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17
graph.c
View File

@ -1063,7 +1063,7 @@ static void graph_output_post_merge_line(struct git_graph *graph, struct graph_l
int i, j;
struct commit_list *first_parent = first_interesting_parent(graph);
int seen_parent = 0;
struct column *parent_col = NULL;
/*
* Output the post-merge row
@ -1117,12 +1117,17 @@ static void graph_output_post_merge_line(struct git_graph *graph, struct graph_l
graph_line_addch(line, ' ');
} else {
graph_line_write_column(line, col, '|');
if (graph->merge_layout != 0 || i != graph->commit_index - 1)
graph_line_addch(line, seen_parent ? '_' : ' ');
if (graph->merge_layout != 0 || i != graph->commit_index - 1) {
if (parent_col)
graph_line_write_column(
line, parent_col, '_');
else
graph_line_addch(line, ' ');
}
}
if (col_commit == first_parent->item)
seen_parent = 1;
parent_col = col;
}
/*
@ -1219,13 +1224,9 @@ static void graph_output_collapsing_line(struct git_graph *graph, struct graph_l
*
* The space just to the left of this
* branch should always be empty.
*
* The branch to the left of that space
* should be our eventual target.
*/
assert(graph->mapping[i - 1] > target);
assert(graph->mapping[i - 2] < 0);
assert(graph->mapping[i - 3] == target);
graph->mapping[i - 2] = target;
/*
* Mark this branch as the horizontal edge to

71
t/t4215-log-skewed-merges.sh
View File

@ -240,4 +240,75 @@ test_expect_success 'log --graph with octopus merge with column joining its penu
EOF
'
test_expect_success 'log --graph with multiple tips' '
git checkout --orphan 6_1 &&
test_commit 6_A &&
git branch 6_2 &&
git branch 6_4 &&
test_commit 6_B &&
git branch 6_3 &&
test_commit 6_C &&
git checkout 6_2 && test_commit 6_D &&
git checkout 6_3 && test_commit 6_E &&
git checkout -b 6_5 6_1 &&
git merge --no-ff 6_2 -m 6_F &&
git checkout 6_4 && test_commit 6_G &&
git checkout 6_3 &&
git merge --no-ff 6_4 -m 6_H &&
git checkout 6_1 &&
git merge --no-ff 6_2 -m 6_I &&
check_graph 6_1 6_3 6_5 <<-\EOF
* 6_I
|\
| | * 6_H
| | |\
| | | * 6_G
| | * | 6_E
| | | | * 6_F
| |_|_|/|
|/| | |/
| | |/|
| |/| |
| * | | 6_D
| | |/
| |/|
* | | 6_C
| |/
|/|
* | 6_B
|/
* 6_A
EOF
'
test_expect_success 'log --graph with multiple tips and colors' '
test_config log.graphColors red,green,yellow,blue,magenta,cyan &&
cat >expect.colors <<-\EOF &&
* 6_I
<RED>|<RESET><GREEN>\<RESET>
<RED>|<RESET> <GREEN>|<RESET> * 6_H
<RED>|<RESET> <GREEN>|<RESET> <YELLOW>|<RESET><BLUE>\<RESET>
<RED>|<RESET> <GREEN>|<RESET> <YELLOW>|<RESET> * 6_G
<RED>|<RESET> <GREEN>|<RESET> <YELLOW>|<RESET> <BLUE>|<RESET> * 6_F
<RED>|<RESET> <GREEN>|<RESET><RED>_<RESET><YELLOW>|<RESET><RED>_<RESET><BLUE>|<RESET><RED>/<RESET><GREEN>|<RESET>
<RED>|<RESET><RED>/<RESET><GREEN>|<RESET> <YELLOW>|<RESET> <BLUE>|<RESET><GREEN>/<RESET>
<RED>|<RESET> <GREEN>|<RESET> <YELLOW>|<RESET><GREEN>/<RESET><BLUE>|<RESET>
<RED>|<RESET> <GREEN>|<RESET><GREEN>/<RESET><YELLOW>|<RESET> <BLUE>|<RESET>
<RED>|<RESET> <GREEN>|<RESET> * <BLUE>|<RESET> 6_E
<RED>|<RESET> * <CYAN>|<RESET> <BLUE>|<RESET> 6_D
<RED>|<RESET> <BLUE>|<RESET> <CYAN>|<RESET><BLUE>/<RESET>
<RED>|<RESET> <BLUE>|<RESET><BLUE>/<RESET><CYAN>|<RESET>
* <BLUE>|<RESET> <CYAN>|<RESET> 6_C
<CYAN>|<RESET> <BLUE>|<RESET><CYAN>/<RESET>
<CYAN>|<RESET><CYAN>/<RESET><BLUE>|<RESET>
* <BLUE>|<RESET> 6_B
<BLUE>|<RESET><BLUE>/<RESET>
* 6_A
EOF
git log --color=always --graph --date-order --pretty=tformat:%s 6_1 6_3 6_5 >actual.colors.raw &&
test_decode_color <actual.colors.raw | sed "s/ *\$//" >actual.colors &&
test_cmp expect.colors actual.colors
'
test_done