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2020-11-19t6[0-3]*: adjust the references to the default branch name "main"Libravatar Johannes Schindelin1-2/+2
Carefully excluding t6300, which sees independent development elsewhere at the time of writing, we use `main` as the default branch name in t6[0-3]*. This trick was performed via $ (cd t && sed -i -e 's/master/main/g' -e 's/MASTER/MAIN/g' \ -e 's/Master/Main/g' -- t6[0-3]*.sh && git checkout HEAD -- t6300\*) This allows us to define `GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main` for those tests. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-11-19tests: mark tests relying on the current default for `init.defaultBranch`Libravatar Johannes Schindelin1-0/+3
In addition to the manual adjustment to let the `linux-gcc` CI job run the test suite with `master` and then with `main`, this patch makes sure that GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME is set in all test scripts that currently rely on the initial branch name being `master by default. To determine which test scripts to mark up, the first step was to force-set the default branch name to `master` in - all test scripts that contain the keyword `master`, - t4211, which expects `t/t4211/history.export` with a hard-coded ref to initialize the default branch, - t5560 because it sources `t/t556x_common` which uses `master`, - t8002 and t8012 because both source `t/annotate-tests.sh` which also uses `master`) This trick was performed by this command: $ sed -i '/^ *\. \.\/\(test-lib\|lib-\(bash\|cvs\|git-svn\)\|gitweb-lib\)\.sh$/i\ GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master\ export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME\ ' $(git grep -l master t/t[0-9]*.sh) \ t/t4211*.sh t/t5560*.sh t/t8002*.sh t/t8012*.sh After that, careful, manual inspection revealed that some of the test scripts containing the needle `master` do not actually rely on a specific default branch name: either they mention `master` only in a comment, or they initialize that branch specificially, or they do not actually refer to the current default branch. Therefore, the aforementioned modification was undone in those test scripts thusly: $ git checkout HEAD -- \ t/t0027-auto-crlf.sh t/t0060-path-utils.sh \ t/t1011-read-tree-sparse-checkout.sh \ t/t1305-config-include.sh t/t1309-early-config.sh \ t/t1402-check-ref-format.sh t/t1450-fsck.sh \ t/t2024-checkout-dwim.sh \ t/t2106-update-index-assume-unchanged.sh \ t/t3040-subprojects-basic.sh t/t3301-notes.sh \ t/t3308-notes-merge.sh t/t3423-rebase-reword.sh \ t/t3436-rebase-more-options.sh \ t/t4015-diff-whitespace.sh t/t4257-am-interactive.sh \ t/t5323-pack-redundant.sh t/t5401-update-hooks.sh \ t/t5511-refspec.sh t/t5526-fetch-submodules.sh \ t/t5529-push-errors.sh t/t5530-upload-pack-error.sh \ t/t5548-push-porcelain.sh \ t/t5552-skipping-fetch-negotiator.sh \ t/t5572-pull-submodule.sh t/t5608-clone-2gb.sh \ t/t5614-clone-submodules-shallow.sh \ t/t7508-status.sh t/t7606-merge-custom.sh \ t/t9302-fast-import-unpack-limit.sh We excluded one set of test scripts in these commands, though: the range of `git p4` tests. The reason? `git p4` stores the (foreign) remote branch in the branch called `p4/master`, which is obviously not the default branch. Manual analysis revealed that only five of these tests actually require a specific default branch name to pass; They were modified thusly: $ sed -i '/^ *\. \.\/lib-git-p4\.sh$/i\ GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master\ export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME\ ' t/t980[0167]*.sh t/t9811*.sh Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-08-17Merge branch 'al/bisect-first-parent'Libravatar Junio C Hamano1-2/+2
"git bisect" learns the "--first-parent" option to find the first breakage along the first-parent chain. * al/bisect-first-parent: bisect: combine args passed to find_bisection() bisect: introduce first-parent flag cmd_bisect__helper: defer parsing no-checkout flag rev-list: allow bisect and first-parent flags t6030: modernize "git bisect run" tests
2020-08-07rev-list: allow bisect and first-parent flagsLibravatar Aaron Lipman1-2/+2
Add first_parent_only parameter to find_bisection(), removing the barrier that prevented combining the --bisect and --first-parent flags when using git rev-list Based-on-patch-by: Tiago Botelho <tiagonbotelho@hotmail.com> Signed-off-by: Aaron Lipman <alipman88@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-07t6000: use test_tick consistentlyLibravatar Jeff King1-2/+5
The first two commits created in t6000 are done without test_tick, meaning they use the current system clock. After that, we create one with test_tick, which means it uses a deterministic time in the past. The result of the "symleft flag bit is propagated down from tag" test relies on the output order of commits from git-log, which in turn depends on these timestamps. So this test is technically dependent on the system clock time, though in practice it would only matter if your system clock was set before test_tick's default time (which is in 2005). However, let's use test_tick consistently for those early commits (and update the expected output to match). This makes the test deterministic, which is in turn easier to reason about and debug. Note that there's also a fourth commit here, and it does not use test_tick. It does have a deterministic timestamp because of the prior use of test_tick in the script, but it will always be the same time as the third commit. Let's use test_tick here, too, for consistency. The matching timestamps between the third and fourth commit are not an important part of the test. We could also use test_commit in all of these cases, as it runs test_tick under the hood. But it would be awkward to do so, as these tests diverge from the usual test_commit patterns (e.g., by creating multiple files in a single commit). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-03-02Merge branch 'jk/object-filter-with-bitmap'Libravatar Junio C Hamano1-0/+12
The object reachability bitmap machinery and the partial cloning machinery were not prepared to work well together, because some object-filtering criteria that partial clones use inherently rely on object traversal, but the bitmap machinery is an optimization to bypass that object traversal. There however are some cases where they can work together, and they were taught about them. * jk/object-filter-with-bitmap: rev-list --count: comment on the use of count_right++ pack-objects: support filters with bitmaps pack-bitmap: implement BLOB_LIMIT filtering pack-bitmap: implement BLOB_NONE filtering bitmap: add bitmap_unset() function rev-list: use bitmap filters for traversal pack-bitmap: basic noop bitmap filter infrastructure rev-list: allow commit-only bitmap traversals t5310: factor out bitmap traversal comparison rev-list: allow bitmaps when counting objects rev-list: make --count work with --objects rev-list: factor out bitmap-optimized routines pack-bitmap: refuse to do a bitmap traversal with pathspecs rev-list: fallback to non-bitmap traversal when filtering pack-bitmap: fix leak of haves/wants object lists pack-bitmap: factor out type iterator initialization
2020-02-14rev-list: make --count work with --objectsLibravatar Jeff King1-0/+12
The current behavior from "rev-list --count --objects" is nonsensical: we enumerate all of the objects except commits, but then give a count of commits. This wasn't planned, and is just what the code happens to do. Instead, let's give the answer the user almost certainly wanted: the full count of objects. Note that there are more complicated cases around cherry-marking, etc. We'll punt on those for now, but let the user know that we can't produce an answer (rather than giving them something useless). We'll test both the new feature as well as a vanilla --count of commits, since that surprisingly doesn't seem to be covered in the existing tests. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-07t6000: abstract away SHA-1-specific constantsLibravatar brian m. carlson1-5/+8
Adjust the test so that it computes variables for object IDs instead of using hard-coded hashes. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-08-06revision: allow --end-of-options to end option parsingLibravatar Jeff King1-0/+8
There's currently no robust way to tell Git that a particular option is meant to be a revision, and not an option. So if you have a branch "refs/heads/--foo", you cannot just say: git rev-list --foo You can say: git rev-list refs/heads/--foo But that breaks down if you don't know the refname, and in particular if you're a script passing along a value from elsewhere. In most programs, you can use "--" to end option parsing, like this: some-prog -- "$revision" But that doesn't work for the revision parser, because "--" is already meaningful there: it separates revisions from pathspecs. So we need some other marker to separate options from revisions. This patch introduces "--end-of-options", which serves that purpose: git rev-list --oneline --end-of-options "$revision" will work regardless of what's in "$revision" (well, if you say "--" it may fail, but it won't do something dangerous, like triggering an unexpected option). The name is verbose, but that's probably a good thing; this is meant to be used for scripted invocations where readability is more important than terseness. One alternative would be to introduce an explicit option to mark a revision, like: git rev-list --oneline --revision="$revision" That's slightly _more_ informative than this commit (because it makes even something silly like "--" unambiguous). But the pattern of using a separator like "--" is well established in git and in other commands, and it makes some scripting tasks simpler like: git rev-list --end-of-options "$@" There's no documentation in this patch, because it will make sense to describe the feature once it is available everywhere (and support will be added in further patches). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-06-20rev-list: teach --no-object-names to enable pipingLibravatar Emily Shaffer1-0/+20
Allow easier parsing by cat-file by giving rev-list an option to print only the OID of a non-commit object without any additional information. This is a short-term shim; later on, rev-list should be taught how to print the types of objects it finds in a format similar to cat-file's. Before this commit, the output from rev-list needed to be massaged before being piped to cat-file, like so: git rev-list --objects HEAD | cut -f 1 -d ' ' | git cat-file --batch-check This was especially unexpected when dealing with root trees, as an invisible whitespace exists at the end of the OID: git rev-list --objects --filter=tree:1 --max-count=1 HEAD | xargs -I% echo "AA%AA" Now, it can be piped directly, as in the added test case: git rev-list --objects --no-object-names HEAD | git cat-file --batch-check Signed-off-by: Emily Shaffer <emilyshaffer@google.com> Change-Id: I489bdf0a8215532e540175188883ff7541d70e1b Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-02rev-list: handle flags for --indexed-objectsLibravatar Jeff King1-0/+7
When a traversal sees the --indexed-objects option, it adds all blobs and valid cache-trees from the index to the traversal using add_index_objects_to_pending(). But that function totally ignores its flags parameter! That means that doing: git rev-list --objects --indexed-objects and git rev-list --objects --not --indexed-objects produce the same output, because we ignore the UNINTERESTING flag when walking the index in the second example. Nobody noticed because this feature was added as a way for tools like repack to increase their coverage of reachable objects, meaning it would only be used like the first example above. But since it's user facing (and because the documentation describes it "as if the objects are listed on the command line"), we should make sure the negative case behaves sensibly. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-30tests: make use of the test_must_be_empty functionLibravatar Ævar Arnfjörð Bjarmason1-2/+1
Change various tests that use an idiom of the form: >expect && test_cmp expect actual To instead use: test_must_be_empty actual The test_must_be_empty() wrapper was introduced in ca8d148daf ("test: test_must_be_empty helper", 2013-06-09). Many of these tests have been added after that time. This was mostly found with, and manually pruned from: git grep '^\s+>.*expect.* &&$' t Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-10-20rev-list: use hdr_termination instead of a always using a newlineLibravatar Jacob Keller1-0/+14
When adding support for prefixing output of log and other commands using --line-prefix, commit 660e113ce118 ("graph: add support for --line-prefix on all graph-aware output", 2016-08-31) accidentally broke rev-list --header output. In order to make the output appear with a line-prefix, the flow was changed to always use the graph subsystem for display. Unfortunately the graph flow in rev-list did not use info->hdr_termination as it was assumed that graph output would never need to putput NULs. Since we now always use the graph code in order to handle the case of line-prefix, simply replace putchar('\n') with putchar(info->hdr_termination) which will correct this issue. Add a test for the --header case to make sure we don't break it in the future. Reported-by: Dennis Kaarsemaker <dennis@kaarsemaker.net> Signed-off-by: Jacob Keller <jacob.keller@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Jacob Keller <jacob.keller@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-03-26Merge branch 'jk/test-chain-lint'Libravatar Junio C Hamano1-2/+2
People often forget to chain the commands in their test together with &&, leaving a failure from an earlier command in the test go unnoticed. The new GIT_TEST_CHAIN_LINT mechanism allows you to catch such a mistake more easily. * jk/test-chain-lint: (36 commits) t9001: drop save_confirm helper t0020: use test_* helpers instead of hand-rolled messages t: simplify loop exit-code status variables t: fix some trivial cases of ignored exit codes in loops t7701: fix ignored exit code inside loop t3305: fix ignored exit code inside loop t0020: fix ignored exit code inside loops perf-lib: fix ignored exit code inside loop t6039: fix broken && chain t9158, t9161: fix broken &&-chain in git-svn tests t9104: fix test for following larger parents t4104: drop hand-rolled error reporting t0005: fix broken &&-chains t7004: fix embedded single-quotes t0050: appease --chain-lint t9001: use test_when_finished t4117: use modern test_* helpers t6034: use modern test_* helpers t1301: use modern test_* helpers t0020: use modern test_* helpers ...
2015-03-25Merge branch 'kd/rev-list-bisect-first-parent'Libravatar Junio C Hamano1-0/+4
"git rev-list --bisect --first-parent" does not work (yet) and can even cause SEGV; forbid it. "git log --bisect --first-parent" would not be useful until "git bisect --first-parent" materializes, so it is also forbidden for now. * kd/rev-list-bisect-first-parent: rev-list: refuse --first-parent combined with --bisect
2015-03-20t: fix trivial &&-chain breakageLibravatar Jeff King1-2/+2
These are tests which are missing a link in their &&-chain, but during a setup phase. We may fail to notice failure in commands that build the test environment, but these are typically not expected to fail at all (but it's still good to double-check that our test environment is what we expect). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-03-19rev-list: refuse --first-parent combined with --bisectLibravatar Kevin Daudt1-0/+4
rev-list --bisect is used by git bisect, but never together with --first-parent. Because rev-list --bisect together with --first-parent is not handled currently, and even leads to segfaults, refuse to use both options together. Because this is not supported, it makes little sense to use git log --bisect --first parent either, because refs/heads/bad is not limited to the first parent chain. Helped-by: Junio C. Hamano <gitster@pobox.com> Helped-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Kevin Daudt <me@ikke.info> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-19rev-list: add --indexed-objects optionLibravatar Jeff King1-0/+23
There is currently no easy way to ask the revision traversal machinery to include objects reachable from the index (e.g., blobs and trees that have not yet been committed). This patch adds an option to do so. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-15revision: propagate flag bits from tags to pointeesLibravatar Junio C Hamano1-0/+11
With the previous fix 895c5ba3 (revision: do not peel tags used in range notation, 2013-09-19), handle_revision_arg() that processes command line arguments for the "git log" family of commands no longer directly places the object pointed by the tag in the pending object array when it sees a tag object. We used to place pointee there after copying the flag bits like UNINTERESTING and SYMMETRIC_LEFT. This change meant that any flag that is relevant to later history traversal must now be propagated to the pointed objects (most often these are commits) while starting the traversal, which is partly done by handle_commit() that is called from prepare_revision_walk(). We did propagate UNINTERESTING, but did not do so for others, most notably SYMMETRIC_LEFT. This caused "git log --left-right v1.0..." (where "v1.0" is a tag) to start losing the "leftness" from the commit the tag points at. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-01-15revision: mark contents of an uninteresting tree uninterestingLibravatar Junio C Hamano1-0/+6
"git rev-list --objects ^A^{tree} B^{tree}" ought to mean "I want a list of objects inside B's tree, but please exclude the objects that appear inside A's tree". we see the top-level tree marked as uninteresting (i.e. ^A^{tree} in the above example) and call mark_tree_uninteresting() on it; this unfortunately prevents us from recursing into the tree and marking the objects in the tree as uninteresting. The reason why "git log ^A A" yields an empty set of commits, i.e. we do not have a similar issue for commits, is because we call mark_parents_uninteresting() after seeing an uninteresting commit. The uninteresting-ness of the commit itself does not prevent its parents from being marked as uninteresting. Introduce mark_tree_contents_uninteresting() and structure the code in handle_commit() in such a way that it makes it the responsibility of the callchain leading to this function to mark commits, trees and blobs as uninteresting, and also make it the responsibility of the helpers called from this function to mark objects that are reachable from them. Note that this is a very old bug that probably dates back to the day when "rev-list --objects" was introduced. The line to clear tree->object.parsed at the end of mark_tree_contents_uninteresting() can be removed when this fix is merged to the codebase after 6e454b9a (clear parsed flag when we free tree buffers, 2013-06-05). Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-10-15revision: do not peel tags used in range notationLibravatar Junio C Hamano1-0/+8
A range notation "A..B" means exactly the same thing as what "^A B" means, i.e. the set of commits that are reachable from B but not from A. But the internal representation after the revision parser parsed these two notations are subtly different. - "rev-list ^A B" leaves A and B in the revs->pending.objects[] array, with the former marked as UNINTERESTING and the revision traversal machinery propagates the mark to underlying commit objects A^0 and B^0. - "rev-list A..B" peels tags and leaves A^0 (marked as UNINTERESTING) and B^0 in revs->pending.objects[] array before the traversal machinery kicks in. This difference usually does not matter, but starts to matter when the --objects option is used. For example, we see this: $ git rev-list --objects v1.8.4^1..v1.8.4 | grep $(git rev-parse v1.8.4) $ git rev-list --objects v1.8.4 ^v1.8.4^1 | grep $(git rev-parse v1.8.4) 04f013dc38d7512eadb915eba22efc414f18b869 v1.8.4 With the former invocation, the revision traversal machinery never hears about the tag v1.8.4 (it only sees the result of peeling it, i.e. the commit v1.8.4^0), and the tag itself does not appear in the output. The latter does send the tag object itself to the output. Make the range notation keep the unpeeled objects and feed them to the traversal machinery to fix this inconsistency. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-02-03Add testcases showing how pathspecs are handled with rev-list --objectsLibravatar Elijah Newren1-0/+51
Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>