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git/t/t5305-include-tag.sh
David Tran 512477b175 tests: use "env" to run commands with temporary env-var settings
Ordinarily, we would say "VAR=VAL command" to execute a tested
command with environment variable(s) set only for that command.
This however does not work if 'command' is a shell function (most
notably 'test_must_fail'); the result of the assignment is retained
and affects later commands.

To avoid this, we used to assign and export environment variables
and run such a test in a subshell, like so:

        (
                VAR=VAL && export VAR &&
                test_must_fail git command to be tested
        )

But with "env" utility, we should be able to say:

        test_must_fail env VAR=VAL git command to be tested

which is much shorter and easier to read.

Signed-off-by: David Tran <unsignedzero@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-19 12:55:57 -07:00

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#!/bin/sh
test_description='git pack-object --include-tag'
. ./test-lib.sh
TRASH=`pwd`
test_expect_success setup '
echo c >d &&
git update-index --add d &&
tree=`git write-tree` &&
commit=`git commit-tree $tree </dev/null` &&
echo "object $commit" >sig &&
echo "type commit" >>sig &&
echo "tag mytag" >>sig &&
echo "tagger $(git var GIT_COMMITTER_IDENT)" >>sig &&
echo >>sig &&
echo "our test tag" >>sig &&
tag=`git mktag <sig` &&
rm d sig &&
git update-ref refs/tags/mytag $tag && {
echo $tree &&
echo $commit &&
git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\) .*/\\1/"
} >obj-list
'
rm -rf clone.git
test_expect_success 'pack without --include-tag' '
packname_1=$(git pack-objects \
--window=0 \
test-1 <obj-list)
'
test_expect_success 'unpack objects' '
(
GIT_DIR=clone.git &&
export GIT_DIR &&
git init &&
git unpack-objects -n <test-1-${packname_1}.pack &&
git unpack-objects <test-1-${packname_1}.pack
)
'
test_expect_success 'check unpacked result (have commit, no tag)' '
git rev-list --objects $commit >list.expect &&
(
test_must_fail env GIT_DIR=clone.git git cat-file -e $tag &&
git rev-list --objects $commit
) >list.actual &&
test_cmp list.expect list.actual
'
rm -rf clone.git
test_expect_success 'pack with --include-tag' '
packname_1=$(git pack-objects \
--window=0 \
--include-tag \
test-2 <obj-list)
'
test_expect_success 'unpack objects' '
(
GIT_DIR=clone.git &&
export GIT_DIR &&
git init &&
git unpack-objects -n <test-2-${packname_1}.pack &&
git unpack-objects <test-2-${packname_1}.pack
)
'
test_expect_success 'check unpacked result (have commit, have tag)' '
git rev-list --objects mytag >list.expect &&
(
GIT_DIR=clone.git &&
export GIT_DIR &&
git rev-list --objects $tag
) >list.actual &&
test_cmp list.expect list.actual
'
test_done