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diff --shortstat --dirstat: remove duplicate output

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When --shortstat is used in conjunction with --dirstat=changes, git diff will
output the dirstat information twice: first as calculated by the 'lines'
algorithm, then as calculated by the 'changes' algorithm:

    $ git diff --dirstat=changes,10 --shortstat v2.2.0..v2.2.1
     23 files changed, 453 insertions(+), 54 deletions(-)
      33.5% Documentation/RelNotes/
      26.2% t/
      46.6% Documentation/RelNotes/
      16.6% t/

The same duplication happens for --shortstat together with --dirstat=files, but
not for --shortstat together with --dirstat=lines.

Limit output to only include one dirstat part, calculated as specified
by the --dirstat parameter. Also, add test for this.

Signed-off-by: Mårten Kongstad <marten.kongstad@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Mårten Kongstad 2015-03-02 16:05:39 +01:00 committed by Junio C Hamano
parent 282616c72d
commit ab27389aff
2 changed files with 15 additions and 1 deletions
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2
diff.c
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@ -4528,7 +4528,7 @@ void diff_flush(struct diff_options *options)
show_stats(&diffstat, options);
if (output_format & DIFF_FORMAT_SHORTSTAT)
show_shortstats(&diffstat, options);
if (output_format & DIFF_FORMAT_DIRSTAT)
if (output_format & DIFF_FORMAT_DIRSTAT && dirstat_by_line)
show_dirstat_by_line(&diffstat, options);
free_diffstat_info(&diffstat);
separator++;

14
t/t4047-diff-dirstat.sh
View file

@ -973,4 +973,18 @@ test_expect_success 'diff.dirstat=future_param,0,lines should warn, but still wo
test_i18ngrep -q "diff\\.dirstat" actual_error
'
test_expect_success '--shortstat --dirstat should output only one dirstat' '
git diff --shortstat --dirstat=changes HEAD^..HEAD >out &&
grep " dst/copy/changed/$" out >actual_diff_shortstat_dirstat_changes &&
test_line_count = 1 actual_diff_shortstat_dirstat_changes &&
git diff --shortstat --dirstat=lines HEAD^..HEAD >out &&
grep " dst/copy/changed/$" out >actual_diff_shortstat_dirstat_lines &&
test_line_count = 1 actual_diff_shortstat_dirstat_lines &&
git diff --shortstat --dirstat=files HEAD^..HEAD >out &&
grep " dst/copy/changed/$" out >actual_diff_shortstat_dirstat_files &&
test_line_count = 1 actual_diff_shortstat_dirstat_files
'
test_done