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git/t/t7525-status-rename.sh
Ben Peart e8b2dc2c2a add status config and command line options for rename detection
After performing a merge that has conflicts git status will, by default,
attempt to detect renames which causes many objects to be examined.  In a
virtualized repo, those objects do not exist locally so the rename logic
triggers them to be fetched from the server. This results in the status call
taking hours to complete on very large repos vs seconds with this patch.

Add a new config status.renames setting to enable turning off rename
detection during status and commit.  This setting will default to the value
of diff.renames.

Add a new config status.renamelimit setting to to enable bounding the time
spent finding out inexact renames during status and commit.  This setting
will default to the value of diff.renamelimit.

Add --no-renames command line option to status that enables overriding the
config setting from the command line. Add --find-renames[=<n>] command line
option to status that enables detecting renames and optionally setting the
similarity index.

Reviewed-by: Elijah Newren <newren@gmail.com>
Original-Patch-by: Alejandro Pauly <alpauly@microsoft.com>
Signed-off-by: Ben Peart <Ben.Peart@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-13 10:57:37 +09:00

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#!/bin/sh
test_description='git status rename detection options'
. ./test-lib.sh
test_expect_success 'setup' '
echo 1 >original &&
git add . &&
git commit -m"Adding original file." &&
mv original renamed &&
echo 2 >> renamed &&
git add . &&
cat >.gitignore <<-\EOF
.gitignore
expect*
actual*
EOF
'
test_expect_success 'status no-options' '
git status >actual &&
test_i18ngrep "renamed:" actual
'
test_expect_success 'status --no-renames' '
git status --no-renames >actual &&
test_i18ngrep "deleted:" actual &&
test_i18ngrep "new file:" actual
'
test_expect_success 'status.renames inherits from diff.renames false' '
git -c diff.renames=false status >actual &&
test_i18ngrep "deleted:" actual &&
test_i18ngrep "new file:" actual
'
test_expect_success 'status.renames inherits from diff.renames true' '
git -c diff.renames=true status >actual &&
test_i18ngrep "renamed:" actual
'
test_expect_success 'status.renames overrides diff.renames false' '
git -c diff.renames=true -c status.renames=false status >actual &&
test_i18ngrep "deleted:" actual &&
test_i18ngrep "new file:" actual
'
test_expect_success 'status.renames overrides from diff.renames true' '
git -c diff.renames=false -c status.renames=true status >actual &&
test_i18ngrep "renamed:" actual
'
test_expect_success 'status status.renames=false' '
git -c status.renames=false status >actual &&
test_i18ngrep "deleted:" actual &&
test_i18ngrep "new file:" actual
'
test_expect_success 'status status.renames=true' '
git -c status.renames=true status >actual &&
test_i18ngrep "renamed:" actual
'
test_expect_success 'commit honors status.renames=false' '
git -c status.renames=false commit --dry-run >actual &&
test_i18ngrep "deleted:" actual &&
test_i18ngrep "new file:" actual
'
test_expect_success 'commit honors status.renames=true' '
git -c status.renames=true commit --dry-run >actual &&
test_i18ngrep "renamed:" actual
'
test_expect_success 'status config overridden' '
git -c status.renames=true status --no-renames >actual &&
test_i18ngrep "deleted:" actual &&
test_i18ngrep "new file:" actual
'
test_expect_success 'status score=100%' '
git status -M=100% >actual &&
test_i18ngrep "deleted:" actual &&
test_i18ngrep "new file:" actual &&
git status --find-rename=100% >actual &&
test_i18ngrep "deleted:" actual &&
test_i18ngrep "new file:" actual
'
test_expect_success 'status score=01%' '
git status -M=01% >actual &&
test_i18ngrep "renamed:" actual &&
git status --find-rename=01% >actual &&
test_i18ngrep "renamed:" actual
'
test_expect_success 'copies not overridden by find-rename' '
cp renamed copy &&
git add copy &&
git -c status.renames=copies status -M=01% >actual &&
test_i18ngrep "copied:" actual &&
test_i18ngrep "renamed:" actual &&
git -c status.renames=copies status --find-rename=01% >actual &&
test_i18ngrep "copied:" actual &&
test_i18ngrep "renamed:" actual
'
test_done