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c871a1d17b
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>
80 lines
2.2 KiB
Bash
Executable file
80 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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