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Merge branch 'hi/merge-verify-sig-config'
"git merge" learned to pay attention to merge.verifySignatures configuration variable and pretend as if '--verify-signatures' option was given from the command line. * hi/merge-verify-sig-config: t5573, t7612: clean up after unexpected success of 'pull' and 'merge' t: add tests for pull --verify-signatures merge: add config option for verifySignatures
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‎Documentation/merge-config.txt

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@@ -26,6 +26,10 @@ merge.ff::
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allowed (equivalent to giving the `--ff-only` option from the
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command line).
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merge.verifySignatures::
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If true, this is equivalent to the --verify-signatures command
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line option. See linkgit:git-merge[1] for details.
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include::fmt-merge-msg-config.txt[]
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merge.renameLimit::

‎builtin/merge.c

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@@ -567,6 +567,8 @@ static int git_merge_config(const char *k, const char *v, void *cb)
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if (!strcmp(k, "merge.diffstat") || !strcmp(k, "merge.stat"))
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show_diffstat = git_config_bool(k, v);
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else if (!strcmp(k, "merge.verifysignatures"))
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verify_signatures = git_config_bool(k, v);
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else if (!strcmp(k, "pull.twohead"))
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return git_config_string(&pull_twohead, k, v);
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else if (!strcmp(k, "pull.octopus"))

‎t/t5573-pull-verify-signatures.sh

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@@ -0,0 +1,81 @@
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#!/bin/sh
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test_description='pull signature verification 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 repositories with signed commits' '
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echo 1 >a && git add a &&
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test_tick && git commit -m initial &&
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git tag initial &&
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git clone . signed &&
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(
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cd signed &&
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echo 2 >b && git add b &&
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test_tick && git commit -S -m "signed"
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) &&
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git clone . unsigned &&
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(
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cd unsigned &&
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echo 3 >c && git add c &&
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test_tick && git commit -m "unsigned"
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) &&
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git clone . bad &&
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(
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cd bad &&
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echo 4 >d && git add d &&
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test_tick && git commit -S -m "bad" &&
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git cat-file commit HEAD >raw &&
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sed -e "s/bad/forged bad/" raw >forged &&
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git hash-object -w -t commit forged >forged.commit &&
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git checkout $(cat forged.commit)
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) &&
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git clone . untrusted &&
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(
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cd untrusted &&
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echo 5 >e && git add e &&
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test_tick && git commit -SB7227189 -m "untrusted"
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)
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'
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test_expect_success GPG 'pull unsigned commit with --verify-signatures' '
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test_when_finished "git reset --hard && git checkout initial" &&
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test_must_fail git pull --ff-only --verify-signatures unsigned 2>pullerror &&
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test_i18ngrep "does not have a GPG signature" pullerror
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'
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test_expect_success GPG 'pull commit with bad signature with --verify-signatures' '
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test_when_finished "git reset --hard && git checkout initial" &&
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test_must_fail git pull --ff-only --verify-signatures bad 2>pullerror &&
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test_i18ngrep "has a bad GPG signature" pullerror
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'
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test_expect_success GPG 'pull commit with untrusted signature with --verify-signatures' '
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test_when_finished "git reset --hard && git checkout initial" &&
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test_must_fail git pull --ff-only --verify-signatures untrusted 2>pullerror &&
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test_i18ngrep "has an untrusted GPG signature" pullerror
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'
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test_expect_success GPG 'pull signed commit with --verify-signatures' '
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test_when_finished "git reset --hard && git checkout initial" &&
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git pull --verify-signatures signed >pulloutput &&
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test_i18ngrep "has a good GPG signature" pulloutput
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'
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test_expect_success GPG 'pull commit with bad signature without verification' '
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test_when_finished "git reset --hard && git checkout initial" &&
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git pull --ff-only bad 2>pullerror
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'
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test_expect_success GPG 'pull commit with bad signature with --no-verify-signatures' '
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test_when_finished "git reset --hard && git checkout initial" &&
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test_config merge.verifySignatures true &&
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test_config pull.verifySignatures true &&
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git pull --ff-only --no-verify-signatures bad 2>pullerror
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'
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test_done

‎t/t7612-merge-verify-signatures.sh

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@@ -35,27 +35,72 @@ test_expect_success GPG 'create signed commits' '
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'
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test_expect_success GPG 'merge unsigned commit with verification' '
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test_when_finished "git reset --hard && git checkout initial" &&
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test_must_fail git merge --ff-only --verify-signatures side-unsigned 2>mergeerror &&
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test_i18ngrep "does not have a GPG signature" mergeerror
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'
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test_expect_success GPG 'merge unsigned commit with merge.verifySignatures=true' '
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test_when_finished "git reset --hard && git checkout initial" &&
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test_config merge.verifySignatures true &&
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test_must_fail git merge --ff-only side-unsigned 2>mergeerror &&
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test_i18ngrep "does not have a GPG signature" mergeerror
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'
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test_expect_success GPG 'merge commit with bad signature with verification' '
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test_when_finished "git reset --hard && git checkout initial" &&
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test_must_fail git merge --ff-only --verify-signatures $(cat forged.commit) 2>mergeerror &&
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test_i18ngrep "has a bad GPG signature" mergeerror
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'
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test_expect_success GPG 'merge commit with bad signature with merge.verifySignatures=true' '
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test_when_finished "git reset --hard && git checkout initial" &&
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test_config merge.verifySignatures true &&
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test_must_fail git merge --ff-only $(cat forged.commit) 2>mergeerror &&
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test_i18ngrep "has a bad GPG signature" mergeerror
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'
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test_expect_success GPG 'merge commit with untrusted signature with verification' '
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test_when_finished "git reset --hard && git checkout initial" &&
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test_must_fail git merge --ff-only --verify-signatures side-untrusted 2>mergeerror &&
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test_i18ngrep "has an untrusted GPG signature" mergeerror
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'
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test_expect_success GPG 'merge commit with untrusted signature with merge.verifySignatures=true' '
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test_when_finished "git reset --hard && git checkout initial" &&
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test_config merge.verifySignatures true &&
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test_must_fail git merge --ff-only side-untrusted 2>mergeerror &&
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test_i18ngrep "has an untrusted GPG signature" mergeerror
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'
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test_expect_success GPG 'merge signed commit with verification' '
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test_when_finished "git reset --hard && git checkout initial" &&
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git merge --verbose --ff-only --verify-signatures side-signed >mergeoutput &&
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test_i18ngrep "has a good GPG signature" mergeoutput
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'
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test_expect_success GPG 'merge signed commit with merge.verifySignatures=true' '
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test_when_finished "git reset --hard && git checkout initial" &&
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test_config merge.verifySignatures true &&
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git merge --verbose --ff-only side-signed >mergeoutput &&
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test_i18ngrep "has a good GPG signature" mergeoutput
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'
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test_expect_success GPG 'merge commit with bad signature without verification' '
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test_when_finished "git reset --hard && git checkout initial" &&
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git merge $(cat forged.commit)
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'
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test_expect_success GPG 'merge commit with bad signature with merge.verifySignatures=false' '
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test_when_finished "git reset --hard && git checkout initial" &&
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test_config merge.verifySignatures false &&
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git merge $(cat forged.commit)
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'
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test_expect_success GPG 'merge commit with bad signature with merge.verifySignatures=true and --no-verify-signatures' '
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test_when_finished "git reset --hard && git checkout initial" &&
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test_config merge.verifySignatures true &&
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git merge --no-verify-signatures $(cat forged.commit)
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'
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test_done

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