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![Junio C Hamano](/assets/img/avatar_default.png)
Any existing commit signature was made against the contents of the old commit, including its committer date that is about to change, and will become invalid by amending it. Signed-off-by: Junio C Hamano <gitster@pobox.com>
81 lines
2.2 KiB
Bash
Executable file
81 lines
2.2 KiB
Bash
Executable file
#!/bin/sh
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test_description='signed commit tests'
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. ./test-lib.sh
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. "$TEST_DIRECTORY/lib-gpg.sh"
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test_expect_success GPG 'create signed commits' '
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echo 1 >file && git add file &&
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test_tick && git commit -S -m initial &&
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git tag initial &&
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git branch side &&
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echo 2 >file && test_tick && git commit -a -S -m second &&
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git tag second &&
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git checkout side &&
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echo 3 >elif && git add elif &&
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test_tick && git commit -m "third on side" &&
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git checkout master &&
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test_tick && git merge -S side &&
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git tag merge &&
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echo 4 >file && test_tick && git commit -a -m "fourth unsigned" &&
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git tag fourth-unsigned &&
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test_tick && git commit --amend -S -m "fourth signed" &&
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git tag fourth-signed
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'
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test_expect_success GPG 'show signatures' '
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(
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for commit in initial second merge master
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do
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git show --pretty=short --show-signature $commit >actual &&
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grep "Good signature from" actual || exit 1
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! grep "BAD signature from" actual || exit 1
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echo $commit OK
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done
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) &&
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(
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for commit in merge^2 fourth-unsigned
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do
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git show --pretty=short --show-signature $commit >actual &&
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grep "Good signature from" actual && exit 1
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! grep "BAD signature from" actual || exit 1
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echo $commit OK
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done
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)
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'
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test_expect_success GPG 'detect fudged signature' '
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git cat-file commit master >raw &&
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sed -e "s/fourth signed/4th forged/" raw >forged1 &&
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git hash-object -w -t commit forged1 >forged1.commit &&
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git show --pretty=short --show-signature $(cat forged1.commit) >actual1 &&
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grep "BAD signature from" actual1 &&
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! grep "Good signature from" actual1
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'
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test_expect_success GPG 'detect fudged signature with NUL' '
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git cat-file commit master >raw &&
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cat raw >forged2 &&
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echo Qwik | tr "Q" "\000" >>forged2 &&
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git hash-object -w -t commit forged2 >forged2.commit &&
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git show --pretty=short --show-signature $(cat forged2.commit) >actual2 &&
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grep "BAD signature from" actual2 &&
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! grep "Good signature from" actual2
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'
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test_expect_success GPG 'amending already signed commit' '
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git checkout fourth-signed^0 &&
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git commit --amend -S --no-edit &&
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git show -s --show-signature HEAD >actual &&
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grep "Good signature from" actual &&
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! grep "BAD signature from" actual
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'
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test_done
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