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2018-05-23Merge branch 'js/rebase-recreate-merge'Libravatar Junio C Hamano2-0/+245
"git rebase" learned "--rebase-merges" to transplant the whole topology of commit graph elsewhere. * js/rebase-recreate-merge: rebase -i --rebase-merges: add a section to the man page rebase -i: introduce --rebase-merges=[no-]rebase-cousins pull: accept --rebase=merges to recreate the branch topology rebase --rebase-merges: avoid "empty merges" sequencer: handle post-rewrite for merge commands sequencer: make refs generated by the `label` command worktree-local rebase --rebase-merges: add test for --keep-empty rebase: introduce the --rebase-merges option rebase-helper --make-script: introduce a flag to rebase merges sequencer: fast-forward `merge` commands, if possible sequencer: introduce the `merge` command sequencer: introduce new commands to reset the revision git-rebase--interactive: clarify arguments sequencer: offer helpful advice when a command was rescheduled sequencer: refactor how original todo list lines are accessed sequencer: make rearrange_squash() a bit more obvious sequencer: avoid using errno clobbered by rollback_lock_file()
2018-05-23Merge branch 'nd/pack-objects-pack-struct'Libravatar Junio C Hamano2-0/+27
"git pack-objects" needs to allocate tons of "struct object_entry" while doing its work, and shrinking its size helps the performance quite a bit. * nd/pack-objects-pack-struct: ci: exercise the whole test suite with uncommon code in pack-objects pack-objects: reorder members to shrink struct object_entry pack-objects: shrink delta_size field in struct object_entry pack-objects: shrink size field in struct object_entry pack-objects: clarify the use of object_entry::size pack-objects: don't check size when the object is bad pack-objects: shrink z_delta_size field in struct object_entry pack-objects: refer to delta objects by index instead of pointer pack-objects: move in_pack out of struct object_entry pack-objects: move in_pack_pos out of struct object_entry pack-objects: use bitfield for object_entry::depth pack-objects: use bitfield for object_entry::dfs_state pack-objects: turn type and in_pack_type to bitfields pack-objects: a bit of document about struct object_entry read-cache.c: make $GIT_TEST_SPLIT_INDEX boolean
2018-05-23Merge branch 'en/rename-directory-detection-reboot'Libravatar Junio C Hamano5-6/+4764
Rename detection logic in "diff" family that is used in "merge" has learned to guess when all of x/a, x/b and x/c have moved to z/a, z/b and z/c, it is likely that x/d added in the meantime would also want to move to z/d by taking the hint that the entire directory 'x' moved to 'z'. A bug causing dirty files involved in a rename to be overwritten during merge has also been fixed as part of this work. Incidentally, this also avoids updating a file in the working tree after a (non-trivial) merge whose result matches what our side originally had. * en/rename-directory-detection-reboot: (36 commits) merge-recursive: fix check for skipability of working tree updates merge-recursive: make "Auto-merging" comment show for other merges merge-recursive: fix remainder of was_dirty() to use original index merge-recursive: fix was_tracked() to quit lying with some renamed paths t6046: testcases checking whether updates can be skipped in a merge merge-recursive: avoid triggering add_cacheinfo error with dirty mod merge-recursive: move more is_dirty handling to merge_content merge-recursive: improve add_cacheinfo error handling merge-recursive: avoid spurious rename/rename conflict from dir renames directory rename detection: new testcases showcasing a pair of bugs merge-recursive: fix remaining directory rename + dirty overwrite cases merge-recursive: fix overwriting dirty files involved in renames merge-recursive: avoid clobbering untracked files with directory renames merge-recursive: apply necessary modifications for directory renames merge-recursive: when comparing files, don't include trees merge-recursive: check for file level conflicts then get new name merge-recursive: add computation of collisions due to dir rename & merging merge-recursive: check for directory level conflicts merge-recursive: add get_directory_renames() merge-recursive: make a helper function for cleanup for handle_renames ...
2018-05-23Merge branch 'js/rebase-i-clean-msg-after-fixup-continue'Libravatar Junio C Hamano1-0/+49
"git rebase -i" sometimes left intermediate "# This is a combination of N commits" message meant for the human consumption inside an editor in the final result in certain corner cases, which has been fixed. * js/rebase-i-clean-msg-after-fixup-continue: rebase --skip: clean up commit message after a failed fixup/squash sequencer: always commit without editing when asked for rebase -i: Handle "combination of <n> commits" with GETTEXT_POISON rebase -i: demonstrate bugs with fixup!/squash! commit messages
2018-05-23Merge branch 'tg/worktree-add-existing-branch'Libravatar Junio C Hamano1-7/+19
"git worktree add" learned to check out an existing branch. * tg/worktree-add-existing-branch: worktree: teach "add" to check out existing branches worktree: factor out dwim_branch function worktree: improve message when creating a new worktree worktree: remove extra members from struct add_opts
2018-05-23Merge branch 'js/deprecate-grafts'Libravatar Junio C Hamano2-0/+37
The functionality of "$GIT_DIR/info/grafts" has been superseded by the "refs/replace/" mechanism for some time now, but the internal code had support for it in many places, which has been cleaned up in order to drop support of the "grafts" mechanism. * js/deprecate-grafts: Remove obsolete script to convert grafts to replace refs technical/shallow: describe why shallow cannot use replace refs technical/shallow: stop referring to grafts filter-branch: stop suggesting to use grafts Deprecate support for .git/info/grafts Add a test for `git replace --convert-graft-file` replace: introduce --convert-graft-file replace: prepare create_graft() for converting graft files wholesale replace: "libify" create_graft() and callees replace: avoid using die() to indicate a bug commit: Let the callback of for_each_mergetag return on error argv_array: offer to split a string by whitespace
2018-05-23Merge branch 'js/test-unset-prereq'Libravatar Junio C Hamano1-1/+13
Test debugging aid. * js/test-unset-prereq: tests: introduce test_unset_prereq, for debugging
2018-05-23Merge branch 'cc/perf-aggregate-unknown-option'Libravatar Junio C Hamano1-36/+26
Perf-test helper updates. * cc/perf-aggregate-unknown-option: perf/aggregate: use Getopt::Long for option parsing
2018-05-23Merge branch 'en/git-debugger'Libravatar Junio C Hamano1-4/+20
Dev support. * en/git-debugger: Make running git under other debugger-like programs easy
2018-05-23Merge branch 'bw/server-options'Libravatar Junio C Hamano2-0/+53
The transport protocol v2 is getting updated further. * bw/server-options: fetch: send server options when using protocol v2 ls-remote: send server options when using protocol v2 serve: introduce the server-option capability
2018-05-23Merge branch 'nd/repack-keep-pack'Libravatar Junio C Hamano2-1/+58
"git gc" in a large repository takes a lot of time as it considers to repack all objects into one pack by default. The command has been taught to pretend as if the largest existing packfile is marked with ".keep" so that it is left untouched while objects in other packs and loose ones are repacked. * nd/repack-keep-pack: pack-objects: show some progress when counting kept objects gc --auto: exclude base pack if not enough mem to "repack -ad" gc: handle a corner case in gc.bigPackThreshold gc: add gc.bigPackThreshold config gc: add --keep-largest-pack option repack: add --keep-pack option t7700: have closing quote of a test at the beginning of line
2018-05-23Merge branch 'nd/term-columns'Libravatar Junio C Hamano1-1/+1
The code did not propagate the terminal width to subprocesses via COLUMNS environment variable, which it now does. This caused trouble to "git column" helper subprocess when "git tag --column=row" tried to list the existing tags on a display with non-default width. * nd/term-columns: column: fix off-by-one default width pager: set COLUMNS to term_columns()
2018-05-23Merge branch 'sg/t7005-spaces-in-filenames-cleanup'Libravatar Junio C Hamano1-9/+3
Test update. * sg/t7005-spaces-in-filenames-cleanup: t7005-editor: get rid of the SPACES_IN_FILENAMES prereq
2018-05-23Merge branch 'sg/t5516-fixes'Libravatar Junio C Hamano1-5/+5
Test fixes. * sg/t5516-fixes: t5516-fetch-push: fix broken &&-chain t5516-fetch-push: fix 'push with dry-run' test
2018-05-23Merge branch 'sg/t5310-jgit-bitmap-test'Libravatar Junio C Hamano1-4/+4
Test update. * sg/t5310-jgit-bitmap-test: t5310-pack-bitmaps: make JGit tests work with GIT_TEST_SPLIT_INDEX
2018-05-23Merge branch 'hn/sort-ls-remote'Libravatar Junio C Hamano1-1/+1
Hotfix. * hn/sort-ls-remote: t5512: run git fetch inside test
2018-05-15t7005-editor: get rid of the SPACES_IN_FILENAMES prereqLibravatar SZEDER Gábor1-9/+3
The last two tests 'editor with a space' and 'core.editor with a space' in 't7005-editor.sh' need the SPACES_IN_FILENAMES prereq to ensure that they are only run on filesystems that allow, well, spaces in filenames. However, we have been putting a space in the name of the trash directory for just over a decade now, so we wouldn't be able to run any of our tests on such a filesystem in the first place. This prereq is therefore unnecessary, remove it. Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-14t5512: run git fetch inside testLibravatar René Scharfe1-1/+1
Do the preparatory fetch inside the test of ls-remote --symref to avoid cluttering the test output and to be able to catch unexpected fetch failures. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-13column: fix off-by-one default widthLibravatar Nguyễn Thái Ngọc Duy1-1/+1
By default we want to fill the whole screen if possible, but we do not want to use up _all_ terminal columns because the last character is going hit the border, push the cursor over and wrap. Keep it at default value zero, which will make print_columns() set the width at term_columns() - 1. This affects the test in t7004 because effective column width before was 40 but now 39 so we need to compensate it by one or the output at 39 columns has a different layout. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-11t5516-fetch-push: fix broken &&-chainLibravatar SZEDER Gábor1-1/+1
b2dc968e60 (t5516: refactor oddball tests, 2008-11-07) accidentaly broke the &&-chain in the test 'push does not update local refs on failure', but since it was in a subshell, chain-lint couldn't notice it. Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-11t5516-fetch-push: fix 'push with dry-run' testLibravatar SZEDER Gábor1-4/+4
In a while-at-it cleanup replacing a 'cd dir && <...> && cd ..' with a subshell, commit 28391a80a9 (receive-pack: allow deletion of corrupt refs, 2007-11-29) also moved the assignment of the $old_commit variable to that subshell. This variable, however, is used outside of that subshell as a parameter of check_push_result(), to check that a ref still points to the commit where it is supposed to. With the variable remaining unset outside the subshell check_push_result() doesn't perform that check at all. Use 'git -C <dir> cmd...', so we don't need to change directory, and thus don't need the subshell either when setting $old_commit. Furthermore, change check_push_result() to require at least three parameters (the repo, the oid, and at least one ref), so it will catch similar issues earlier should they ever arise. Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-11t5310-pack-bitmaps: make JGit tests work with GIT_TEST_SPLIT_INDEXLibravatar SZEDER Gábor1-4/+4
The two JGit tests 'we can read jgit bitmaps' and 'jgit can read our bitmaps' in 't5310-pack-bitmaps.sh' fail when run with GIT_TEST_SPLIT_INDEX=YesPlease. Both tests create a clone of the test repository to check bitmap interoperability with JGit. With split indexes enabled the index in the clone repositories contains the 'link' extension, which JGit doesn't support and, consequently, an exception aborts it: <...> org.eclipse.jgit.api.errors.JGitInternalException: DIRC extension 'link' not supported by this version. at org.eclipse.jgit.dircache.DirCache.readFrom(DirCache.java:562) <...> Since testing bitmaps doesn't need a worktree in the first place, let's just create bare clones for the two JGit tests, so the cloned won't have an index, and these two tests can be executed even with split index enabled. Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-08merge-recursive: fix check for skipability of working tree updatesLibravatar Elijah Newren3-7/+7
The can-working-tree-updates-be-skipped check has had a long and blemished history. The update can be skipped iff: a) The merge is clean b) The merge matches what was in HEAD (content, mode, pathname) c) The target path is usable (i.e. not involved in D/F conflict) Traditionally, we split b into parts: b1) The merged result matches the content and mode found in HEAD b2) The merged target path existed in HEAD Steps a & b1 are easy to check; we have always gotten those right. While it is easy to overlook step c, this was fixed seven years ago with commit 4ab9a157d069 ("merge_content(): Check whether D/F conflicts are still present", 2010-09-20). merge-recursive didn't have a readily available way to directly check step b2, so various approximations were used: * In commit b2c8c0a76274 ("merge-recursive: When we detect we can skip an update, actually skip it", 2011-02-28), it was noted that although the code claimed it was skipping the update, it did not actually skip the update. The code was made to skip it, but used lstat(path, ...) as an approximation to path-was-tracked-in-index-before-merge. * In commit 5b448b853030 ("merge-recursive: When we detect we can skip an update, actually skip it", 2011-08-11), the problem with using lstat was noted. It was changed to the approximation path2 && strcmp(path, path2) which is also wrong. !path2 || strcmp(path, path2) would have been better, but would have fallen short with directory renames. * In c5b761fb2711 ("merge-recursive: ensure we write updates for directory-renamed file", 2018-02-14), the problem with the previous approximation was noted and changed to was_tracked(path) That looks close to what we were trying to answer, but was_tracked() as implemented at the time should have been named is_tracked(); it returned something different than what we were looking for. * To make matters more complex, fixing was_tracked() isn't sufficient because the splitting of b into b1 and b2 is wrong. Consider the following merge with a rename/add conflict: side A: modify foo, add unrelated bar side B: rename foo->bar (but don't modify the mode or contents) In this case, the three-way merge of original foo, A's foo, and B's bar will result in a desired pathname of bar with the same mode/contents that A had for foo. Thus, A had the right mode and contents for the file, and it had the right pathname present (namely, bar), but the bar that was present was unrelated to the contents, so the working tree update was not skippable. Fix this by introducing a new function: was_tracked_and_matches(o, path, &mfi.oid, mfi.mode) and use it to directly check for condition b. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-08t6046: testcases checking whether updates can be skipped in a mergeLibravatar Elijah Newren1-0/+761
Add several tests checking whether updates can be skipped in a merge. Also add several similar testcases for where updates cannot be skipped in a merge to make sure that we skip if and only if we should. In particular: * Testcase 1a (particularly 1a-check-L) would have pointed out the problem Linus has been dealing with for year with his merges[1]. * Testcase 2a (particularly 2a-check-L) would have pointed out the problem with my directory-rename-series before it broke master[2]. * Testcases 3[ab] (particularly 3a-check-L) provide a simpler testcase than 12b of t6043 making that one easier to understand. * There are several complementary testcases to make sure we're not just fixing those particular issues while regressing in the opposite direction. * There are also a pair of tests for the special case when a merge results in a skippable update AND the user has dirty modifications to the path. [1] https://public-inbox.org/git/CA+55aFzLZ3UkG5svqZwSnhNk75=fXJRkvU1m_RHBG54NOoaZPA@mail.gmail.com/ [2] https://public-inbox.org/git/xmqqmuya43cs.fsf@gitster-ct.c.googlers.com/ Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-08merge-recursive: avoid triggering add_cacheinfo error with dirty modLibravatar Elijah Newren1-1/+1
If a cherry-pick or merge with a rename results in a skippable update (due to the merged content matching what HEAD already had), but the working directory is dirty, avoid trying to refresh the index as that will fail. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-08merge-recursive: improve add_cacheinfo error handlingLibravatar Elijah Newren1-4/+3
Four closely related changes all with the purpose of fixing error handling in this function: - fix reported function name in add_cacheinfo error messages - differentiate between the two error messages - abort early when we hit the error (stop ignoring return code) - mark a test which was hitting this error as failing until we get the right fix In more detail... In commit 0424138d5715 ("Fix bogus error message from merge-recursive error path", 2007-04-01), it was noted that the name of the function which the error message claimed it was reported from did not match the actual function name. This was changed to something closer to the real function name, but it still didn't match the actual function name. Fix the reported name to match. Second, the two errors in this function had identical messages, preventing us from knowing which error had been triggered. Add a couple words to the second error message to differentiate the two. Next, make sure callers do not ignore the return code so that it will stop processing further entries (processing further entries could result in more output which could cause the error to scroll off the screen, or at least be missed by the user) and make it clear the error is the cause of the early abort. These errors should never be triggered in production; if either one is, it represents a bug in the calling path somewhere and is likely to have resulted in mis-merged content. The combination of ignoring of the return code and continuing to print other standard messages after hitting the error resulted in the following bug report from Junio: "...the command pretends that everything went well and merged cleanly in that path...[Behaving] in a buggy and unexplainable way is bad enough, doing so silently is unexcusable." Fix this. Finally, there was one test in the testsuite that did hit this error path, but was passing anyway. This would have been easy to miss since it had a test_must_fail and thus could have failed for the wrong reason, but in a separate testing step I added an intentional NULL-dereference to the codepath where these error messages are printed in order to flush out such cases. I could modify that test to explicitly check for this error and fail the test if it is hit, but since this test operates in a bit of a gray area and needed other changes, I went for a different fix. The gray area this test operates in is the following: If the merge of a certain file results in the same version of the file that existed in HEAD, but there are dirty modifications to the file, is that an error with a "Refusing to overwrite existing file" expected, or a case where the merge should succeed since we shouldn't have to touch the dirty file anyway? Recent discussion on the list leaned towards saying it should be a success. Therefore, change the expected behavior of this test to match. As a side effect, this makes the failed-due-to-hitting-add_cacheinfo-error very clear, and we can mark the test as test_expect_failure. A subsequent commit will implement the necessary changes to get this test to pass again. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-08merge-recursive: avoid spurious rename/rename conflict from dir renamesLibravatar Elijah Newren1-30/+25
If a file on one side of history was renamed, and merely modified on the other side, then applying a directory rename to the modified side gives us a rename/rename(1to2) conflict. We should only apply directory renames to pairs representing either adds or renames. Making this change means that a directory rename testcase that was previously reported as a rename/delete conflict will now be reported as a modify/delete conflict. Reviewed-by: Stefan Beller <sbeller@google.com> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-08directory rename detection: new testcases showcasing a pair of bugsLibravatar Elijah Newren1-0/+296
Add a testcase showing spurious rename/rename(1to2) conflicts occurring due to directory rename detection. Also add a pair of testcases dealing with moving directory hierarchies around that were suggested by Stefan Beller as "food for thought" during his review of an earlier patch series, but which actually uncovered a bug. Round things out with a test that is a cross between the two testcases that showed existing bugs in order to make sure we aren't merely addressing problems in isolation but in general. Reviewed-by: Stefan Beller <sbeller@google.com> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-08merge-recursive: fix remaining directory rename + dirty overwrite casesLibravatar Elijah Newren1-4/+4
Reviewed-by: Stefan Beller <sbeller@google.com> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-08merge-recursive: fix overwriting dirty files involved in renamesLibravatar Elijah Newren3-3/+3
This fixes an issue that existed before my directory rename detection patches that affects both normal renames and renames implied by directory rename detection. Additional codepaths that only affect overwriting of dirty files that are involved in directory rename detection will be added in a subsequent commit. Reviewed-by: Stefan Beller <sbeller@google.com> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-08merge-recursive: avoid clobbering untracked files with directory renamesLibravatar Elijah Newren1-3/+3
Reviewed-by: Stefan Beller <sbeller@google.com> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-08merge-recursive: apply necessary modifications for directory renamesLibravatar Elijah Newren1-25/+25
This commit hooks together all the directory rename logic by making the necessary changes to the rename struct, it's dst_entry, and the diff_filepair under consideration. Reviewed-by: Stefan Beller <sbeller@google.com> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-08merge-recursive: check for file level conflicts then get new nameLibravatar Elijah Newren1-1/+1
Before trying to apply directory renames to paths within the given directories, we want to make sure that there aren't conflicts at the file level either. If there aren't any, then get the new name from any directory renames. Reviewed-by: Stefan Beller <sbeller@google.com> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-05-08Merge branch 'ma/http-walker-no-partial'Libravatar Junio C Hamano1-0/+11
"git http-fetch" (deprecated) had an optional and experimental "feature" to fetch only commits and/or trees, which nobody used. This has been removed. * ma/http-walker-no-partial: walker: drop fields of `struct walker` which are always 1 http-fetch: make `-a` standard behaviour
2018-05-08Merge branch 'js/colored-push-errors'Libravatar Junio C Hamano1-0/+12
Error messages from "git push" can be painted for more visibility. * js/colored-push-errors: config: document the settings to colorize push errors/hints push: test to verify that push errors are colored push: colorize errors color: introduce support for colorizing stderr
2018-05-08Merge branch 'jc/parseopt-expiry-errors'Libravatar Junio C Hamano1-0/+10
"git gc --prune=nonsense" spent long time repacking and then silently failed when underlying "git prune --expire=nonsense" failed to parse its command line. This has been corrected. * jc/parseopt-expiry-errors: parseopt: handle malformed --expire arguments more nicely gc: do not upcase error message shown with die()
2018-05-08Merge branch 'ma/fast-export-skip-merge-fix'Libravatar Junio C Hamano1-0/+18
"git fast-export" had a regression in v2.15.0 era where it skipped some merge commits in certain cases, which has been corrected. * ma/fast-export-skip-merge-fix: fast-export: fix regression skipping some merge-commits
2018-05-08Merge branch 'bt/gpg-interface'Libravatar Junio C Hamano1-1/+12
What is queued here is only the obviously correct and uncontroversial code clean-up part, which is an earlier 7 patches, of a larger series. The remainder that is not queued introduces a few configuration variables to deal with e-signature backends with different signature format. * bt/gpg-interface: gpg-interface: find the last gpg signature line gpg-interface: extract gpg line matching helper gpg-interface: fix const-correctness of "eol" pointer gpg-interface: use size_t for signature buffer size gpg-interface: modernize function declarations gpg-interface: handle bool user.signingkey t7004: fix mistaken tag name
2018-05-08Merge branch 'hn/sort-ls-remote'Libravatar Junio C Hamano1-7/+47
"git ls-remote" learned an option to allow sorting its output based on the refnames being shown. * hn/sort-ls-remote: ls-remote: create '--sort' option
2018-05-08Merge branch 'tb/config-default'Libravatar Junio C Hamano2-0/+66
"git config --get" learned the "--default" option, to help the calling script. Building on top of the tb/config-type topic, the "git config" learns "--type=color" type. Taken together, you can do things like "git config --get foo.color --default blue" and get the ANSI color sequence for the color given to foo.color variable, or "blue" if the variable does not exist. * tb/config-default: builtin/config: introduce `color` type specifier config.c: introduce 'git_config_color' to parse ANSI colors builtin/config: introduce `--default`
2018-05-08Merge branch 'tb/config-type'Libravatar Junio C Hamano1-1/+64
The "git config" command uses separate options e.g. "--int", "--bool", etc. to specify what type the caller wants the value to be interpreted as. A new "--type=<typename>" option has been introduced, which would make it cleaner to define new types. * tb/config-type: builtin/config.c: support `--type=<type>` as preferred alias for `--<type>` builtin/config.c: treat type specifiers singularly
2018-05-08Merge branch 'tq/t1510'Libravatar Junio C Hamano1-1/+0
Test cleanup. * tq/t1510: t1510-repo-setup.sh: remove useless mkdir
2018-05-08Merge branch 'ls/checkout-encoding'Libravatar Junio C Hamano1-0/+245
The new "checkout-encoding" attribute can ask Git to convert the contents to the specified encoding when checking out to the working tree (and the other way around when checking in). * ls/checkout-encoding: convert: add round trip check based on 'core.checkRoundtripEncoding' convert: add tracing for 'working-tree-encoding' attribute convert: check for detectable errors in UTF encodings convert: add 'working-tree-encoding' attribute utf8: add function to detect a missing UTF-16/32 BOM utf8: add function to detect prohibited UTF-16/32 BOM utf8: teach same_encoding() alternative UTF encoding names strbuf: add a case insensitive starts_with() strbuf: add xstrdup_toupper() strbuf: remove unnecessary NUL assignment in xstrdup_tolower()
2018-05-08Merge branch 'sb/object-store-replace'Libravatar Junio C Hamano1-1/+2
The effort to pass the repository in-core structure throughout the API continues. This round deals with the code that implements the refs/replace/ mechanism. * sb/object-store-replace: replace-object: allow lookup_replace_object to handle arbitrary repositories replace-object: allow do_lookup_replace_object to handle arbitrary repositories replace-object: allow prepare_replace_object to handle arbitrary repositories refs: allow for_each_replace_ref to handle arbitrary repositories refs: store the main ref store inside the repository struct replace-object: add repository argument to lookup_replace_object replace-object: add repository argument to do_lookup_replace_object replace-object: add repository argument to prepare_replace_object refs: add repository argument to for_each_replace_ref refs: add repository argument to get_main_ref_store replace-object: check_replace_refs is safe in multi repo environment replace-object: eliminate replace objects prepared flag object-store: move lookup_replace_object to replace-object.h replace-object: move replace_map to object store replace_object: use oidmap
2018-05-08Merge branch 'ds/commit-graph'Libravatar Junio C Hamano1-0/+224
Precompute and store information necessary for ancestry traversal in a separate file to optimize graph walking. * ds/commit-graph: commit-graph: implement "--append" option commit-graph: build graph from starting commits commit-graph: read only from specific pack-indexes commit: integrate commit graph with commit parsing commit-graph: close under reachability commit-graph: add core.commitGraph setting commit-graph: implement git commit-graph read commit-graph: implement git-commit-graph write commit-graph: implement write_commit_graph() commit-graph: create git-commit-graph builtin graph: add commit graph design document commit-graph: add format document csum-file: refactor finalize_hashfile() method csum-file: rename hashclose() to finalize_hashfile()
2018-05-08Merge branch 'js/empty-config-section-fix'Libravatar Junio C Hamano1-3/+99
"git config --unset a.b", when "a.b" is the last variable in an otherwise empty section "a", left an empty section "a" behind, and worse yet, a subsequent "git config a.c value" did not reuse that empty shell and instead created a new one. These have been (partially) corrected. * js/empty-config-section-fix: git_config_set: reuse empty sections git config --unset: remove empty sections (in the common case) git_config_set: make use of the config parser's event stream git_config_set: do not use a state machine config_set_store: rename some fields for consistency config: avoid using the global variable `store` config: introduce an optional event stream while parsing t1300: `--unset-all` can leave an empty section behind (bug) t1300: add a few more hairy examples of sections becoming empty t1300: remove unreasonable expectation from TODO t1300: avoid relying on a bug config --replace-all: avoid extra line breaks t1300: demonstrate that --replace-all can "invent" newlines t1300: rename it to reflect that `repo-config` was deprecated git_config_set: fix off-by-two
2018-05-08Merge branch 'sb/submodule-move-nested'Libravatar Junio C Hamano2-4/+6
Moving a submodule that itself has submodule in it with "git mv" forgot to make necessary adjustment to the nested sub-submodules; now the codepath learned to recurse into the submodules. * sb/submodule-move-nested: submodule: fixup nested submodules after moving the submodule submodule-config: remove submodule_from_cache submodule-config: add repository argument to submodule_from_{name, path} submodule-config: allow submodule_free to handle arbitrary repositories grep: remove "repo" arg from non-supporting funcs submodule.h: drop declaration of connect_work_tree_and_git_dir
2018-05-08Merge branch 'dj/runtime-prefix'Libravatar Junio C Hamano1-1/+1
A build-time option has been added to allow Git to be told to refer to its associated files relative to the main binary, in the same way that has been possible on Windows for quite some time, for Linux, BSDs and Darwin. * dj/runtime-prefix: Makefile: quote $INSTLIBDIR when passing it to sed Makefile: remove unused @@PERLLIBDIR@@ substitution variable mingw/msvc: use the new-style RUNTIME_PREFIX helper exec_cmd: provide a new-style RUNTIME_PREFIX helper for Windows exec_cmd: RUNTIME_PREFIX on some POSIX systems Makefile: add Perl runtime prefix support Makefile: generate Perl header from template file
2018-05-08Merge branch 'bw/protocol-v2'Libravatar Junio C Hamano3-0/+513
The beginning of the next-gen transfer protocol. * bw/protocol-v2: (35 commits) remote-curl: don't request v2 when pushing remote-curl: implement stateless-connect command http: eliminate "# service" line when using protocol v2 http: don't always add Git-Protocol header http: allow providing extra headers for http requests remote-curl: store the protocol version the server responded with remote-curl: create copy of the service name pkt-line: add packet_buf_write_len function transport-helper: introduce stateless-connect transport-helper: refactor process_connect_service transport-helper: remove name parameter connect: don't request v2 when pushing connect: refactor git_connect to only get the protocol version once fetch-pack: support shallow requests fetch-pack: perform a fetch using v2 upload-pack: introduce fetch server command push: pass ref prefixes when pushing fetch: pass ref prefixes when fetching ls-remote: pass ref prefixes when requesting a remote's refs transport: convert transport_get_remote_refs to take a list of ref prefixes ...
2018-05-02rebase --skip: clean up commit message after a failed fixup/squashLibravatar Johannes Schindelin1-4/+31
During a series of fixup/squash commands, the interactive rebase builds up a commit message with comments. This will be presented to the user in the editor if at least one of those commands was a `squash`. In any case, the commit message will be cleaned up eventually, removing all those intermediate comments, in the final step of such a fixup/squash chain. However, if the last fixup/squash command in such a chain fails with merge conflicts, and if the user then decides to skip it (or resolve it to a clean worktree and then continue the rebase), the current code fails to clean up the commit message. This commit fixes that behavior. The fix is quite a bit more involved than meets the eye because it is not only about the question whether we are `git rebase --skip`ing a fixup or squash. It is also about removing the skipped fixup/squash's commit message from the accumulated commit message. And it is also about the question whether we should let the user edit the final commit message or not ("Was there a squash in the chain *that was not skipped*?"). For example, in this case we will want to fix the commit message, but not open it in an editor: pick <- succeeds fixup <- succeeds squash <- fails, will be skipped This is where the newly-introduced `current-fixups` file comes in real handy. A quick look and we can determine whether there was a non-skipped squash. We only need to make sure to keep it up to date with respect to skipped fixup/squash commands. As a bonus, we can even avoid committing unnecessarily, e.g. when there was only one fixup, and it failed, and was skipped. To fix only the bug where the final commit message was not cleaned up properly, but without fixing the rest, would have been more complicated than fixing it all in one go, hence this commit lumps together more than a single concern. For the same reason, this commit also adds a bit more to the existing test case for the regression we just fixed. The diff is best viewed with --color-moved. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>