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patch 8.1.0956: using context:0 in 'diffopt' does not work well

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Problem:    Using context:0 in 'diffopt' does not work well.
Solution:   Make zero context do the same as one line context. (closes #4005)
This commit is contained in:
Bram Moolenaar 2019-02-19 23:00:50 +01:00
parent 66ae3d199f
commit b9ddda6c2d
6 changed files with 74 additions and 1 deletions
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2
src/diff.c
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@ -2277,7 +2277,7 @@ diffopt_changed(void)
tp->tp_diff_invalid = TRUE;
diff_flags = diff_flags_new;
diff_context = diff_context_new;
diff_context = diff_context_new == 0 ? 1 : diff_context_new;
diff_foldcolumn = diff_foldcolumn_new;
diff_algorithm = diff_algorithm_new;

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src/testdir/dumps/Test_diff_06.0.dump Normal file
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@ -0,0 +1,20 @@
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| @1|4+0#0000000#ffffff0| @33||+1&&| +0#0000e05#a8a8a8255@1|4+0#0000000#ffffff0| @33
| +0#0000e05#a8a8a8255@1|4+0#0000000#5fd7ff255| @33||+1&#ffffff0| +0#0000e05#a8a8a8255@1|-+0#4040ff13#afffff255@34
| +0#0000e05#a8a8a8255@1|5+0#0000000#ffffff0| @33||+1&&| +0#0000e05#a8a8a8255@1|5+0#0000000#ffffff0| @33
|++0#0000e05#a8a8a8255| |+|-@1| @1|4| |l|i|n|e|s|:| |6|-@19||+1#0000000#ffffff0|++0#0000e05#a8a8a8255| |+|-@1| @1|4| |l|i|n|e|s|:| |6|-@19
| @1|1+0#0000000#ffffff0|0| @32||+1&&| +0#0000e05#a8a8a8255@1|1+0#0000000#ffffff0|0| @32
| +0#0000e05#a8a8a8255@1|-+0#4040ff13#afffff255@34||+1#0000000#ffffff0| +0#0000e05#a8a8a8255@1|1+0#0000000#5fd7ff255@1| @32
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| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
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| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
|X+3#0000000&|f|i|l|e|1| @12|1|,|1| @11|A|l@1| |X+1&&|f|i|l|e|2| @12|1|,|1| @11|A|l@1
|:+0&&|s|e|t| |d|i|f@1|o|p|t|+|=|c|o|n|t|e|x|t|:|0| @51

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src/testdir/dumps/Test_diff_06.1.dump Normal file
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@ -0,0 +1,20 @@
|++0#0000e05#a8a8a8255| >+|-@1| @1|3| |l|i|n|e|s|:| |1|-@19||+1#0000000#ffffff0|++0#0000e05#a8a8a8255| |+|-@1| @1|3| |l|i|n|e|s|:| |1|-@19
| @1|4+0#0000000#ffffff0| @33||+1&&| +0#0000e05#a8a8a8255@1|4+0#0000000#ffffff0| @33
| +0#0000e05#a8a8a8255@1|4+0#0000000#5fd7ff255| @33||+1&#ffffff0| +0#0000e05#a8a8a8255@1|-+0#4040ff13#afffff255@34
| +0#0000e05#a8a8a8255@1|5+0#0000000#ffffff0| @33||+1&&| +0#0000e05#a8a8a8255@1|5+0#0000000#ffffff0| @33
|++0#0000e05#a8a8a8255| |+|-@1| @1|4| |l|i|n|e|s|:| |6|-@19||+1#0000000#ffffff0|++0#0000e05#a8a8a8255| |+|-@1| @1|4| |l|i|n|e|s|:| |6|-@19
| @1|1+0#0000000#ffffff0|0| @32||+1&&| +0#0000e05#a8a8a8255@1|1+0#0000000#ffffff0|0| @32
| +0#0000e05#a8a8a8255@1|-+0#4040ff13#afffff255@34||+1#0000000#ffffff0| +0#0000e05#a8a8a8255@1|1+0#0000000#5fd7ff255@1| @32
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
|X+3#0000000&|f|i|l|e|1| @12|1|,|1| @11|A|l@1| |X+1&&|f|i|l|e|2| @12|1|,|1| @11|A|l@1
|:+0&&|s|e|t| |d|i|f@1|o|p|t|+|=|c|o|n|t|e|x|t|:|1| @51

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src/testdir/dumps/Test_diff_06.2.dump Normal file
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@ -0,0 +1,20 @@
|++0#0000e05#a8a8a8255| >+|-@1| @1|2| |l|i|n|e|s|:| |1|-@19||+1#0000000#ffffff0|++0#0000e05#a8a8a8255| |+|-@1| @1|2| |l|i|n|e|s|:| |1|-@19
| @1|3+0#0000000#ffffff0| @33||+1&&| +0#0000e05#a8a8a8255@1|3+0#0000000#ffffff0| @33
| +0#0000e05#a8a8a8255@1|4+0#0000000#ffffff0| @33||+1&&| +0#0000e05#a8a8a8255@1|4+0#0000000#ffffff0| @33
| +0#0000e05#a8a8a8255@1|4+0#0000000#5fd7ff255| @33||+1&#ffffff0| +0#0000e05#a8a8a8255@1|-+0#4040ff13#afffff255@34
| +0#0000e05#a8a8a8255@1|5+0#0000000#ffffff0| @33||+1&&| +0#0000e05#a8a8a8255@1|5+0#0000000#ffffff0| @33
| +0#0000e05#a8a8a8255@1|6+0#0000000#ffffff0| @33||+1&&| +0#0000e05#a8a8a8255@1|6+0#0000000#ffffff0| @33
|++0#0000e05#a8a8a8255| |+|-@1| @1|2| |l|i|n|e|s|:| |7|-@19||+1#0000000#ffffff0|++0#0000e05#a8a8a8255| |+|-@1| @1|2| |l|i|n|e|s|:| |7|-@19
| @1|9+0#0000000#ffffff0| @33||+1&&| +0#0000e05#a8a8a8255@1|9+0#0000000#ffffff0| @33
| +0#0000e05#a8a8a8255@1|1+0#0000000#ffffff0|0| @32||+1&&| +0#0000e05#a8a8a8255@1|1+0#0000000#ffffff0|0| @32
| +0#0000e05#a8a8a8255@1|-+0#4040ff13#afffff255@34||+1#0000000#ffffff0| +0#0000e05#a8a8a8255@1|1+0#0000000#5fd7ff255@1| @32
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
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| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33||+1#0000000&| +0#0000e05#a8a8a8255@1|~+0#4040ff13#ffffff0| @33
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|X+3#0000000&|f|i|l|e|1| @12|1|,|1| @11|A|l@1| |X+1&&|f|i|l|e|2| @12|1|,|1| @11|A|l@1
|:+0&&@1|s|e|t| |d|i|f@1|o|p|t|+|=|c|o|n|t|e|x|t|:|2| @50

11
src/testdir/test_diffmode.vim
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@ -783,6 +783,17 @@ func Test_diff_screen()
call WriteDiffFiles(buf, [1, 2, 3, 4, 4, 5, 6, 7, 8, 9, 10], [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11])
call VerifyBoth(buf, 'Test_diff_06', '')
" Variants on test 6 with different context settings
call term_sendkeys(buf, ":set diffopt+=context:2\<cr>")
call VerifyScreenDump(buf, 'Test_diff_06.2', {})
call term_sendkeys(buf, ":set diffopt-=context:2\<cr>")
call term_sendkeys(buf, ":set diffopt+=context:1\<cr>")
call VerifyScreenDump(buf, 'Test_diff_06.1', {})
call term_sendkeys(buf, ":set diffopt-=context:1\<cr>")
call term_sendkeys(buf, ":set diffopt+=context:0\<cr>")
call VerifyScreenDump(buf, 'Test_diff_06.0', {})
call term_sendkeys(buf, ":set diffopt-=context:0\<cr>")
" Test 7 - 9: Test normal/patience/histogram diff algorithm
call WriteDiffFiles(buf, ['#include <stdio.h>', '', '// Frobs foo heartily', 'int frobnitz(int foo)', '{',
\ ' int i;', ' for(i = 0; i < 10; i++)', ' {', ' printf("Your answer is: ");',

2
src/version.c
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@ -779,6 +779,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
956,
/**/
955,
/**/