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Diffstat (limited to 't/t5582-fetch-negative-refspec.sh')
| -rwxr-xr-x | t/t5582-fetch-negative-refspec.sh | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/t/t5582-fetch-negative-refspec.sh b/t/t5582-fetch-negative-refspec.sh new file mode 100755 index 0000000..7a80e47 --- /dev/null +++ b/t/t5582-fetch-negative-refspec.sh @@ -0,0 +1,285 @@ +#!/bin/sh +# Copyright (c) 2020, Jacob Keller. + +test_description='"git fetch" with negative refspecs. + +' + +GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main +export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME + +. ./test-lib.sh + +test_expect_success setup ' + echo >file original && + git add file && + git commit -a -m original +' + +test_expect_success "clone and setup child repos" ' + git clone . one && + ( + cd one && + echo >file updated by one && + git commit -a -m "updated by one" && + git switch -c alternate && + echo >file updated again by one && + git commit -a -m "updated by one again" && + git switch main + ) && + git clone . two && + ( + cd two && + git config branch.main.remote one && + git config remote.one.url ../one/.git/ && + git config remote.one.fetch +refs/heads/*:refs/remotes/one/* && + git config --add remote.one.fetch ^refs/heads/alternate + ) && + git clone . three +' + +test_expect_success "fetch one" ' + echo >file updated by origin && + git commit -a -m "updated by origin" && + ( + cd two && + test_must_fail git rev-parse --verify refs/remotes/one/alternate && + git fetch one && + test_must_fail git rev-parse --verify refs/remotes/one/alternate && + git rev-parse --verify refs/remotes/one/main && + mine=$(git rev-parse refs/remotes/one/main) && + his=$(cd ../one && git rev-parse refs/heads/main) && + test "z$mine" = "z$his" + ) +' + +test_expect_success "fetch with negative refspec on commandline" ' + echo >file updated by origin again && + git commit -a -m "updated by origin again" && + ( + cd three && + alternate_in_one=$(cd ../one && git rev-parse refs/heads/alternate) && + echo $alternate_in_one >expect && + git fetch ../one/.git refs/heads/*:refs/remotes/one/* ^refs/heads/main && + cut -f -1 .git/FETCH_HEAD >actual && + test_cmp expect actual + ) +' + +test_expect_success "fetch with negative sha1 refspec fails" ' + echo >file updated by origin yet again && + git commit -a -m "updated by origin yet again" && + ( + cd three && + main_in_one=$(cd ../one && git rev-parse refs/heads/main) && + test_must_fail git fetch ../one/.git refs/heads/*:refs/remotes/one/* ^$main_in_one + ) +' + +test_expect_success "fetch with negative pattern refspec" ' + echo >file updated by origin once more && + git commit -a -m "updated by origin once more" && + ( + cd three && + alternate_in_one=$(cd ../one && git rev-parse refs/heads/alternate) && + echo $alternate_in_one >expect && + git fetch ../one/.git refs/heads/*:refs/remotes/one/* ^refs/heads/m* && + cut -f -1 .git/FETCH_HEAD >actual && + test_cmp expect actual + ) +' + +test_expect_success "fetch with negative pattern refspec does not expand prefix" ' + echo >file updated by origin another time && + git commit -a -m "updated by origin another time" && + ( + cd three && + alternate_in_one=$(cd ../one && git rev-parse refs/heads/alternate) && + main_in_one=$(cd ../one && git rev-parse refs/heads/main) && + echo $alternate_in_one >expect && + echo $main_in_one >>expect && + git fetch ../one/.git refs/heads/*:refs/remotes/one/* ^main && + cut -f -1 .git/FETCH_HEAD >actual && + test_cmp expect actual + ) +' + +test_expect_success "fetch with negative refspec avoids duplicate conflict" ' + ( + cd one && + git branch dups/a && + git branch dups/b && + git branch dups/c && + git branch other/a && + git rev-parse --verify refs/heads/other/a >../expect && + git rev-parse --verify refs/heads/dups/b >>../expect && + git rev-parse --verify refs/heads/dups/c >>../expect + ) && + ( + cd three && + git fetch ../one/.git ^refs/heads/dups/a refs/heads/dups/*:refs/dups/* refs/heads/other/a:refs/dups/a && + git rev-parse --verify refs/dups/a >../actual && + git rev-parse --verify refs/dups/b >>../actual && + git rev-parse --verify refs/dups/c >>../actual + ) && + test_cmp expect actual +' + +test_expect_success "push --prune with negative refspec" ' + ( + cd two && + git branch prune/a && + git branch prune/b && + git branch prune/c && + git push ../three refs/heads/prune/* && + git branch -d prune/a && + git branch -d prune/b && + git push --prune ../three refs/heads/prune/* ^refs/heads/prune/b + ) && + ( + cd three && + test_write_lines b c >expect && + git for-each-ref --format="%(refname:lstrip=3)" refs/heads/prune/ >actual && + test_cmp expect actual + ) +' + +test_expect_success "push --prune with negative refspec apply to the destination" ' + ( + cd two && + git branch ours/a && + git branch ours/b && + git branch ours/c && + git push ../three refs/heads/ours/*:refs/heads/theirs/* && + git branch -d ours/a && + git branch -d ours/b && + git push --prune ../three refs/heads/ours/*:refs/heads/theirs/* ^refs/heads/theirs/b + ) && + ( + cd three && + test_write_lines b c >expect && + git for-each-ref --format="%(refname:lstrip=3)" refs/heads/theirs/ >actual && + test_cmp expect actual + ) +' + +test_expect_success "fetch --prune with negative refspec" ' + ( + cd two && + git branch fetch/a && + git branch fetch/b && + git branch fetch/c + ) && + ( + cd three && + git fetch ../two/.git refs/heads/fetch/*:refs/heads/copied/* + ) && + ( + cd two && + git branch -d fetch/a && + git branch -d fetch/b + ) && + ( + cd three && + test_write_lines b c >expect && + git fetch -v ../two/.git --prune refs/heads/fetch/*:refs/heads/copied/* ^refs/heads/fetch/b && + git for-each-ref --format="%(refname:lstrip=3)" refs/heads/copied/ >actual && + test_cmp expect actual + ) +' + +test_expect_success "push with matching : and negative refspec" ' + # Manually handle cleanup, since test_config is not + # prepared to take arbitrary options like --add + test_when_finished "test_unconfig -C two remote.one.push" && + + # For convenience, we use "master" to refer to the name of + # the branch created by default in the following. + # + # Repositories two and one have branches other than "master" + # but they have no overlap---"master" is the only one that + # is shared between them. And the master branch at two is + # behind the master branch at one by one commit. + git -C two config --add remote.one.push : && + + # A matching push tries to update master, fails due to non-ff + test_must_fail git -C two push one && + + # "master" may actually not be "master"---find it out. + current=$(git symbolic-ref HEAD) && + + # If master is in negative refspec, then the command will not attempt + # to push and succeed. + git -C two config --add remote.one.push "^$current" && + + # With "master" excluded, this push is a no-op. Nothing gets + # pushed and it succeeds. + git -C two push -v one +' + +test_expect_success "push with matching +: and negative refspec" ' + test_when_finished "test_unconfig -C two remote.one.push" && + + # The same set-up as above, whose side-effect was a no-op. + git -C two config --add remote.one.push +: && + + # The push refuses to update the "master" branch that is checked + # out in the "one" repository, even when it is forced with +: + test_must_fail git -C two push one && + + # "master" may actually not be "master"---find it out. + current=$(git symbolic-ref HEAD) && + + # If master is in negative refspec, then the command will not attempt + # to push and succeed + git -C two config --add remote.one.push "^$current" && + + # With "master" excluded, this push is a no-op. Nothing gets + # pushed and it succeeds. + git -C two push -v one +' + +test_expect_success '--prefetch correctly modifies refspecs' ' + git -C one config --unset-all remote.origin.fetch && + git -C one config --add remote.origin.fetch ^refs/heads/bogus/ignore && + git -C one config --add remote.origin.fetch "refs/tags/*:refs/tags/*" && + git -C one config --add remote.origin.fetch "refs/heads/bogus/*:bogus/*" && + + git tag -a -m never never-fetch-tag HEAD && + + git branch bogus/fetched HEAD~1 && + git branch bogus/ignore HEAD && + + git -C one fetch --prefetch --no-tags && + test_must_fail git -C one rev-parse never-fetch-tag && + git -C one rev-parse refs/prefetch/bogus/fetched && + test_must_fail git -C one rev-parse refs/prefetch/bogus/ignore && + + # correctly handle when refspec set becomes empty + # after removing the refs/tags/* refspec. + git -C one config --unset-all remote.origin.fetch && + git -C one config --add remote.origin.fetch "refs/tags/*:refs/tags/*" && + + git -C one fetch --prefetch --no-tags && + test_must_fail git -C one rev-parse never-fetch-tag && + + # The refspec for refs that are not fully qualified + # are filtered multiple times. + git -C one rev-parse refs/prefetch/bogus/fetched && + test_must_fail git -C one rev-parse refs/prefetch/bogus/ignore +' + +test_expect_success '--prefetch succeeds when refspec becomes empty' ' + git checkout bogus/fetched && + test_commit extra && + + git -C one config --unset-all remote.origin.fetch && + git -C one config --unset branch.main.remote && + git -C one config remote.origin.fetch "+refs/tags/extra" && + git -C one config remote.origin.skipfetchall true && + git -C one config remote.origin.tagopt "--no-tags" && + + git -C one fetch --prefetch +' + +test_done |