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git/t/t4016-diff-quote.sh
Zbigniew Jędrzejewski-Szmek dc801e71a7 diff --stat: use less columns for change counts
Number of columns required for change counts is now computed based on
the maximum number of changed lines instead of being fixed. This means
that usually a few more columns will be available for the filenames
and the graph.

The graph width logic is also modified to include enough space for
"Bin XXX -> YYY bytes".

If changes to binary files are mixed with changes to text files,
change counts are padded to take at least three columns. And the other
way around, if change counts require more than three columns, then
"Bin"s are padded to align with the change count. This way, the +-
part starts in the same column as "XXX -> YYY" part for binary files.
This makes the graph easier to parse visually thanks to the empty
column. This mimics the layout of diff --stat before this change.

Tests and the tutorial are updated to reflect the new --stat output.
This means either the removal of extra padding and/or the addition of
up to three extra characters to truncated filenames. One test is added
to check the graph alignment when a binary file change and text file
change of more than 999 lines are committed together.

Signed-off-by: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-04-30 14:17:26 -07:00

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#!/bin/sh
#
# Copyright (c) 2007 Junio C Hamano
#
test_description='Quoting paths in diff output.
'
. ./test-lib.sh
P0='pathname'
P1='pathname with HT'
P2='pathname with SP'
P3='pathname
with LF'
if : 2>/dev/null >"$P1" && test -f "$P1" && rm -f "$P1"
then
test_set_prereq TABS_IN_FILENAMES
else
say 'Your filesystem does not allow tabs in filenames'
fi
test_expect_success TABS_IN_FILENAMES setup '
echo P0.0 >"$P0.0" &&
echo P0.1 >"$P0.1" &&
echo P0.2 >"$P0.2" &&
echo P0.3 >"$P0.3" &&
echo P1.0 >"$P1.0" &&
echo P1.2 >"$P1.2" &&
echo P1.3 >"$P1.3" &&
git add . &&
git commit -m initial &&
git mv "$P0.0" "R$P0.0" &&
git mv "$P0.1" "R$P1.0" &&
git mv "$P0.2" "R$P2.0" &&
git mv "$P0.3" "R$P3.0" &&
git mv "$P1.0" "R$P0.1" &&
git mv "$P1.2" "R$P2.1" &&
git mv "$P1.3" "R$P3.1" &&
:
'
test_expect_success TABS_IN_FILENAMES 'setup expected files' '
cat >expect <<\EOF
rename pathname.1 => "Rpathname\twith HT.0" (100%)
rename pathname.3 => "Rpathname\nwith LF.0" (100%)
rename "pathname\twith HT.3" => "Rpathname\nwith LF.1" (100%)
rename pathname.2 => Rpathname with SP.0 (100%)
rename "pathname\twith HT.2" => Rpathname with SP.1 (100%)
rename pathname.0 => Rpathname.0 (100%)
rename "pathname\twith HT.0" => Rpathname.1 (100%)
EOF
'
test_expect_success TABS_IN_FILENAMES 'git diff --summary -M HEAD' '
git diff --summary -M HEAD >actual &&
test_cmp expect actual
'
test_expect_success TABS_IN_FILENAMES 'git diff --numstat -M HEAD' '
cat >expect <<-\EOF &&
0 0 pathname.1 => "Rpathname\twith HT.0"
0 0 pathname.3 => "Rpathname\nwith LF.0"
0 0 "pathname\twith HT.3" => "Rpathname\nwith LF.1"
0 0 pathname.2 => Rpathname with SP.0
0 0 "pathname\twith HT.2" => Rpathname with SP.1
0 0 pathname.0 => Rpathname.0
0 0 "pathname\twith HT.0" => Rpathname.1
EOF
git diff --numstat -M HEAD >actual &&
test_cmp expect actual
'
test_expect_success TABS_IN_FILENAMES 'git diff --stat -M HEAD' '
cat >expect <<-\EOF &&
pathname.1 => "Rpathname\twith HT.0" | 0
pathname.3 => "Rpathname\nwith LF.0" | 0
"pathname\twith HT.3" => "Rpathname\nwith LF.1" | 0
pathname.2 => Rpathname with SP.0 | 0
"pathname\twith HT.2" => Rpathname with SP.1 | 0
pathname.0 => Rpathname.0 | 0
"pathname\twith HT.0" => Rpathname.1 | 0
7 files changed, 0 insertions(+), 0 deletions(-)
EOF
git diff --stat -M HEAD >actual &&
test_i18ncmp expect actual
'
test_done