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2020-08-10Merge branch 'en/eol-attrs-gotchas'Libravatar Junio C Hamano2-16/+6
All "mergy" operations that internally use the merge-recursive machinery should honor the merge.renormalize configuration, but many of them didn't. * en/eol-attrs-gotchas: checkout: support renormalization with checkout -m <paths> merge: make merge.renormalize work for all uses of merge machinery t6038: remove problematic test t6038: make tests fail for the right reason
2020-08-10Merge branch 'jk/strvec'Libravatar Junio C Hamano29-677/+677
The argv_array API is useful for not just managing argv but any "vector" (NULL-terminated array) of strings, and has seen adoption to a certain degree. It has been renamed to "strvec" to reduce the barrier to adoption. * jk/strvec: strvec: rename struct fields strvec: drop argv_array compatibility layer strvec: update documention to avoid argv_array strvec: fix indentation in renamed calls strvec: convert remaining callers away from argv_array name strvec: convert more callers away from argv_array name strvec: convert builtin/ callers away from argv_array name quote: rename sq_dequote_to_argv_array to mention strvec strvec: rename files from argv-array to strvec argv-array: rename to strvec argv-array: use size_t for count and alloc
2020-08-04Merge branch 'jt/pack-objects-prefetch-in-batch'Libravatar Junio C Hamano1-4/+36
While packing many objects in a repository with a promissor remote, lazily fetching missing objects from the promissor remote one by one may be inefficient---the code now attempts to fetch all the missing objects in batch (obviously this won't work for a lazy clone that lazily fetches tree objects as you cannot even enumerate what blobs are missing until you learn which trees are missing). * jt/pack-objects-prefetch-in-batch: pack-objects: prefetch objects to be packed pack-objects: refactor to oid_object_info_extended
2020-08-03checkout: support renormalization with checkout -m <paths>Libravatar Elijah Newren1-5/+6
Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-08-03merge: make merge.renormalize work for all uses of merge machineryLibravatar Elijah Newren2-11/+0
The 'merge' command is not the only one that does merges; other commands like checkout -m or rebase do as well. Unfortunately, the only area of the code that checked for the "merge.renormalize" config setting was in builtin/merge.c, meaning it could only affect merges performed by the "merge" command. Move the handling of this config setting to merge_recursive_config() so that other commands can benefit from it as well. Fixes a few tests in t6038. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-30Merge branch 'rs/grep-simpler-parse-object-or-die-call' into masterLibravatar Junio C Hamano1-1/+1
* rs/grep-simpler-parse-object-or-die-call: grep: avoid using oid_to_hex() with parse_object_or_die()
2020-07-30strvec: rename struct fieldsLibravatar Jeff King21-77/+77
The "argc" and "argv" names made sense when the struct was argv_array, but now they're just confusing. Let's rename them to "nr" (which we use for counts elsewhere) and "v" (which is rather terse, but reads well when combined with typical variable names like "args.v"). Note that we have to update all of the callers immediately. Playing tricks with the preprocessor is hard here, because we wouldn't want to rewrite unrelated tokens. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-30Merge branch 'ct/mv-unmerged-path-error' into masterLibravatar Junio C Hamano1-2/+5
"git mv src dst", when src is an unmerged path, errored out correctly but with an incorrect error message to claim that src is not tracked, which has been clarified. * ct/mv-unmerged-path-error: git-mv: improve error message for conflicted file
2020-07-30Merge branch 'hn/reftable' into masterLibravatar Junio C Hamano1-2/+1
Preliminary clean-up of the refs API in preparation for adding a new refs backend "reftable". * hn/reftable: reflog: cleanse messages in the refs.c layer bisect: treat BISECT_HEAD as a pseudo ref t3432: use git-reflog to inspect the reflog for HEAD lib-t6000.sh: write tag using git-update-ref
2020-07-30Merge branch 'bw/fail-cloning-into-non-empty' into masterLibravatar Junio C Hamano1-2/+10
"git clone --separate-git-dir=$elsewhere" used to stomp on the contents of the existing directory $elsewhere, which has been taught to fail when $elsewhere is not an empty directory. * bw/fail-cloning-into-non-empty: git clone: don't clone into non-empty directory
2020-07-30Merge branch 'ds/commit-graph-bloom-updates' into masterLibravatar Junio C Hamano1-1/+4
Updates to the changed-paths bloom filter. * ds/commit-graph-bloom-updates: commit-graph: check all leading directories in changed path Bloom filters revision: empty pathspecs should not use Bloom filters revision.c: fix whitespace commit-graph: check chunk sizes after writing commit-graph: simplify chunk writes into loop commit-graph: unify the signatures of all write_graph_chunk_*() functions commit-graph: persist existence of changed-paths bloom: fix logic in get_bloom_filter() commit-graph: change test to die on parse, not load commit-graph: place bloom_settings in context
2020-07-28grep: avoid using oid_to_hex() with parse_object_or_die()Libravatar René Scharfe1-1/+1
parse_object_or_die() is passed an object ID and a name to show if the object cannot be parsed. If the name is NULL then it shows the hexadecimal object ID. Use that feature instead of preparing and passing the hexadecimal representation to the function proactively. That's shorter and a bit more efficient. Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-28strvec: fix indentation in renamed callsLibravatar Jeff King12-86/+86
Code which split an argv_array call across multiple lines, like: argv_array_pushl(&args, "one argument", "another argument", "and more", NULL); was recently mechanically renamed to use strvec, which results in mis-matched indentation like: strvec_pushl(&args, "one argument", "another argument", "and more", NULL); Let's fix these up to align the arguments with the opening paren. I did this manually by sifting through the results of: git jump grep 'strvec_.*,$' and liberally applying my editor's auto-format. Most of the changes are of the form shown above, though I also normalized a few that had originally used a single-tab indentation (rather than our usual style of aligning with the open paren). I also rewrapped a couple of obvious cases (e.g., where previously too-long lines became short enough to fit on one), but I wasn't aggressive about it. In cases broken to three or more lines, the grouping of arguments is sometimes meaningful, and it wasn't worth my time or reviewer time to ponder each case individually. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-28strvec: convert builtin/ callers away from argv_array nameLibravatar Jeff King28-503/+503
We eventually want to drop the argv_array name and just use strvec consistently. There's no particular reason we have to do it all at once, or care about interactions between converted and unconverted bits. Because of our preprocessor compat layer, the names are interchangeable to the compiler (so even a definition and declaration using different names is OK). This patch converts all of the files in builtin/ to keep the diff to a manageable size. The conversion was done purely mechanically with: git ls-files '*.c' '*.h' | xargs perl -i -pe ' s/ARGV_ARRAY/STRVEC/g; s/argv_array/strvec/g; ' and then selectively staging files with "git add builtin/". We'll deal with any indentation/style fallouts separately. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-28quote: rename sq_dequote_to_argv_array to mention strvecLibravatar Jeff King1-1/+1
We want to eventually drop the use of the "argv_array" name in favor of "strvec." Unlike most other uses of the name, this one is embedded in a function name, so the definition and all of the callers need to be updated at the same time. We don't technically need to update the parameter types here (our preprocessor compat macros make the two names interchangeable), but let's do so to keep the site consistent for now. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-28strvec: rename files from argv-array to strvecLibravatar Jeff King18-18/+18
This requires updating #include lines across the code-base, but that's all fairly mechanical, and was done with: git ls-files '*.c' '*.h' | xargs perl -i -pe 's/argv-array.h/strvec.h/' Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-21pack-objects: prefetch objects to be packedLibravatar Jonathan Tan1-4/+32
When an object to be packed is noticed to be missing, prefetch all to-be-packed objects in one batch. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-21pack-objects: refactor to oid_object_info_extendedLibravatar Jonathan Tan1-2/+6
Use oid_object_info_extended() instead of oid_object_info() because a subsequent commit needs to specify an additional flag here. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-20git-mv: improve error message for conflicted fileLibravatar Chris Torek1-2/+5
'git mv' has always complained about renaming a conflicted file, as it cannot handle multiple index entries for one file. However, the error message it uses has been the same as the one for an untracked file: fatal: not under version control, src=... which is patently wrong. Distinguish the two cases and add a test to make sure we produce the correct message. Signed-off-by: Chris Torek <chris.torek@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-15Merge branch 'tb/commit-graph-no-check-oids' into masterLibravatar Junio C Hamano1-3/+1
Fix to the code to produce progress bar, which is new in the upcoming release. * tb/commit-graph-no-check-oids: commit-graph: fix "Collecting commits from input" progress line
2020-07-15commit-graph: fix "Collecting commits from input" progress lineLibravatar SZEDER Gábor1-3/+1
To display a progress line while reading commits from standard input and looking them up, 5b6653e523 (builtin/commit-graph.c: dereference tags in builtin, 2020-05-13) should have added a pair of start_delayed_progress() and stop_progress() calls around the loop reading stdin. Alas, the stop_progress() call ended up at the wrong place, after write_commit_graph(), which does all the commit-graph computation and writing, and has several progress lines of its own. Consequently, that new Collecting commits from input: 1234 progress line is overwritten by the first progress line shown by write_commit_graph(), and its final "done" line is shown last, after everything is finished: $ { sleep 3 ; git rev-list -3 HEAD ; sleep 1 ; } | ~/src/git/git commit-graph write --stdin-commits Expanding reachable commits in commit graph: 873402, done. Writing out commit graph in 4 passes: 100% (3493608/3493608), done. Collecting commits from input: 3, done. Furthermore, that stop_progress() call was added after the 'cleanup' label, where that loop reading stdin jumps in case of an error. In case of invalid input this then results in the "done" line shown after the error message: $ { sleep 3 ; git rev-list -3 HEAD ; echo junk ; } | ~/src/git/git commit-graph write --stdin-commits error: unexpected non-hex object ID: junk Collecting commits from input: 3, done. Move that stop_progress() call to the right place. While at it, drop the unnecessary 'if (progress)' condition protecting the stop_progress() call, because that function is prepared to handle a NULL progress struct. Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Reviewed-by: Derrick Stolee <stolee@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-10bisect: treat BISECT_HEAD as a pseudo refLibravatar Han-Wen Nienhuys1-2/+1
Both the git-bisect.sh as bisect--helper inspected the file system directly. Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-10git clone: don't clone into non-empty directoryLibravatar Ben Wijen1-2/+10
When using git clone with --separate-git-dir realgitdir and realgitdir already exists, it's content is destroyed. So, make sure we don't clone into an existing non-empty directory. When d45420c1 (clone: do not clean up directories we didn't create, 2018-01-02) tightened the clean-up procedure after a failed cloning into an empty directory, it assumed that the existing directory given is an empty one so it is OK to keep that directory, while running the clean-up procedure that is designed to remove everything in it (since there won't be any, anyway). Check and make sure that the $GIT_DIR is empty even cloning into an existing repository. Signed-off-by: Ben Wijen <ben@wijen.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-09Merge branch 'ct/diff-with-merge-base-clarification' into masterLibravatar Junio C Hamano1-1/+1
Recent update to "git diff" meant as a code clean-up introduced a bug in its error handling code, which has been corrected. * ct/diff-with-merge-base-clarification: diff: check for merge bases before assigning sym->base
2020-07-09Merge branch 'cc/cat-file-usage-update' into masterLibravatar Junio C Hamano1-1/+1
Doc/usage update. * cc/cat-file-usage-update: cat-file: add missing [=<format>] to usage/synopsis
2020-07-08diff: check for merge bases before assigning sym->baseLibravatar Jeff King1-1/+1
In symdiff_prepare(), we iterate over the set of parsed objects to pick out any symmetric differences, including the left, right, and base elements. We assign the results into pointers in a "struct symdiff", and then complain if we didn't find a base, like so: sym->left = rev->pending.objects[lpos].name; sym->right = rev->pending.objects[rpos].name; sym->base = rev->pending.objects[basepos].name; if (basecount == 0) die(_("%s...%s: no merge base"), sym->left, sym->right); But the least lines are backwards. If basecount is 0, then basepos will be -1, and we will access memory outside of the pending array. This isn't usually that big a deal, since we don't do anything besides a single pointer-sized read before exiting anyway, but it does violate the C standard, and of course memory-checking tools like ASan complain. Let's put the basecount check first. Note that we haveto split it from the other assignments, since the die() relies on sym->left and sym->right having been assigned (this isn't strictly necessary, but is easier to read than dereferencing the pending array again). Reported-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-06Merge branch 'jk/fast-export-anonym-alt'Libravatar Junio C Hamano1-55/+107
"git fast-export --anonymize" learned to take customized mapping to allow its users to tweak its output more usable for debugging. * jk/fast-export-anonym-alt: fast-export: use local array to store anonymized oid fast-export: anonymize "master" refname fast-export: allow seeding the anonymized mapping fast-export: add a "data" callback parameter to anonymize_str() fast-export: move global "idents" anonymize hashmap into function fast-export: use a flex array to store anonymized entries fast-export: stop storing lengths in anonymized hashmaps fast-export: tighten anonymize_mem() interface to handle only strings fast-export: store anonymized oids as hex strings fast-export: use xmemdupz() for anonymizing oids t9351: derive anonymized tree checks from original repo
2020-07-06Merge branch 'js/default-branch-name'Libravatar Junio C Hamano3-11/+37
The name of the primary branch in existing repositories, and the default name used for the first branch in newly created repositories, is made configurable, so that we can eventually wean ourselves off of the hardcoded 'master'. * js/default-branch-name: contrib: subtree: adjust test to change in fmt-merge-msg testsvn: respect `init.defaultBranch` remote: use the configured default branch name when appropriate clone: use configured default branch name when appropriate init: allow setting the default for the initial branch name via the config init: allow specifying the initial branch name for the new repository docs: add missing diamond brackets submodule: fall back to remote's HEAD for missing remote.<name>.branch send-pack/transport-helper: avoid mentioning a particular branch fmt-merge-msg: stop treating `master` specially
2020-07-06Merge branch 'cb/is-descendant-of'Libravatar Junio C Hamano1-1/+2
Code clean-up. * cb/is-descendant-of: commit-reach: avoid is_descendant_of() shim
2020-07-06Merge branch 'es/get-worktrees-unsort'Libravatar Junio C Hamano5-10/+30
API cleanup for get_worktrees() * es/get-worktrees-unsort: worktree: drop get_worktrees() unused 'flags' argument worktree: drop get_worktrees() special-purpose sorting option
2020-07-06Merge branch 'ak/commit-graph-to-slab'Libravatar Junio C Hamano2-2/+2
A few fields in "struct commit" that do not have to always be present have been moved to commit slabs. * ak/commit-graph-to-slab: commit-graph: minimize commit_graph_data_slab access commit: move members graph_pos, generation to a slab commit-graph: introduce commit_graph_data_slab object: drop parsed_object_pool->commit_count
2020-07-06Merge branch 'bc/sha-256-part-2'Libravatar Junio C Hamano5-10/+56
SHA-256 migration work continues. * bc/sha-256-part-2: (44 commits) remote-testgit: adapt for object-format bundle: detect hash algorithm when reading refs t5300: pass --object-format to git index-pack t5704: send object-format capability with SHA-256 t5703: use object-format serve option t5702: offer an object-format capability in the test t/helper: initialize the repository for test-sha1-array remote-curl: avoid truncating refs with ls-remote t1050: pass algorithm to index-pack when outside repo builtin/index-pack: add option to specify hash algorithm remote-curl: detect algorithm for dumb HTTP by size builtin/ls-remote: initialize repository based on fetch t5500: make hash independent serve: advertise object-format capability for protocol v2 connect: parse v2 refs with correct hash algorithm connect: pass full packet reader when parsing v2 refs Documentation/technical: document object-format for protocol v2 t1302: expect repo format version 1 for SHA-256 builtin/show-index: provide options to determine hash algo t5302: modernize test formatting ...
2020-07-01cat-file: add missing [=<format>] to usage/synopsisLibravatar Christian Couder1-1/+1
When displaying cat-file usage, the fact that a <format> can be specified is only visible when lookling at the --batch and --batch-check options which are shown like this: --batch[=<format>] show info and content of objects fed from the standard input --batch-check[=<format>] show info about objects fed from the standard input It seems more coherent and improves discovery to also show it on the usage line. In the documentation the DESCRIPTION tells us that "The output format can be overridden using the optional <format> argument", but we can't see the <format> argument in the SYNOPSIS above the description which is confusing. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Acked-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-01commit-graph: persist existence of changed-pathsLibravatar Derrick Stolee1-1/+4
The changed-path Bloom filters were released in v2.27.0, but have a significant drawback. A user can opt-in to writing the changed-path filters using the "--changed-paths" option to "git commit-graph write" but the next write will drop the filters unless that option is specified. This becomes even more important when considering the interaction with gc.writeCommitGraph (on by default) or fetch.writeCommitGraph (part of features.experimental). These config options trigger commit-graph writes that the user did not signal, and hence there is no --changed-paths option available. Allow a user that opts-in to the changed-path filters to persist the property of "my commit-graph has changed-path filters" automatically. A user can drop filters using the --no-changed-paths option. In the process, we need to be extremely careful to match the Bloom filter settings as specified by the commit-graph. This will allow future versions of Git to customize these settings, and the version with this change will persist those settings as commit-graphs are rewritten on top. Use the trace2 API to signal the settings used during the write, and check that output in a test after manually adjusting the correct bytes in the commit-graph file. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-06-29Merge branch 'sk/diff-files-show-i-t-a-as-new'Libravatar Junio C Hamano1-0/+7
"git diff-files" has been taught to say paths that are marked as intent-to-add are new files, not modified from an empty blob. * sk/diff-files-show-i-t-a-as-new: diff-files: treat "i-t-a" files as "not-in-index"
2020-06-29Merge branch 'rs/pull-leakfix'Libravatar Junio C Hamano1-0/+1
Leakfix. * rs/pull-leakfix: pull: plug minor memory leak after using is_descendant_of()
2020-06-29Merge branch 'dl/diff-usage-comment-update'Libravatar Junio C Hamano1-3/+12
An in-code comment in "git diff" has been updated. * dl/diff-usage-comment-update: builtin/diff: fix botched update of usage comment builtin/diff: update usage comment
2020-06-29Merge branch 'xl/upgrade-repo-format'Libravatar Junio C Hamano2-3/+2
Allow runtime upgrade of the repository format version, which needs to be done carefully. There is a rather unpleasant backward compatibility worry with the last step of this series, but it is the right thing to do in the longer term. * xl/upgrade-repo-format: check_repository_format_gently(): refuse extensions for old repositories sparse-checkout: upgrade repository to version 1 when enabling extension fetch: allow adding a filter after initial clone repository: add a helper function to perform repository format upgrade
2020-06-25fast-export: use local array to store anonymized oidLibravatar Jeff King1-4/+4
Some older versions of gcc complain about this line: builtin/fast-export.c:412:2: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing] put_be32(oid.hash + hashsz - 4, counter++); ^ This seems to be a false positive, as there's no type-punning at all here. oid.hash is an array of unsigned char; when we pass it to a function it decays to a pointer to unsigned char. We do take a void pointer in put_be32(), but it's immediately aliased with another pointer to unsigned char (and clearly the compiler is looking inside the inlined put_be32(), since the warning doesn't happen with -O0). This happens on gcc 4.8 and 4.9, but not later versions (I tested gcc 6, 7, 8, and 9). We can work around it by using a local array instead of an object_id struct. This is a little more intimate with the details of object_id, but for whatever reason doesn't seem to trigger the compiler warning. We can revert this patch once we decide that those gcc versions are too old to care about for a warning like this (gcc 4.8 is the default compiler for Ubuntu Trusty, which is out-of-support but not fully end-of-life'd until April 2022). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-06-25fast-export: anonymize "master" refnameLibravatar Jeff King1-7/+0
Running "fast-export --anonymize" will leave "refs/heads/master" untouched in the output, for two reasons: - it helped to have some known reference point between the original and anonymized repository - since it's historically the default branch name, it doesn't leak any information Now that we can ask fast-export to retain particular tokens, we have a much better tool for the first one (because it works for any ref, not just master). For the second, the notion of "default branch name" is likely to become configurable soon, at which point the name _does_ leak information. Let's drop this special case in preparation. Note that we have to adjust the test a bit, since it relied on using the name "master" in the anonymized repos. We could just use --anonymize-map=master to keep the same output, but then we wouldn't know if it works because of our hard-coded master or because of the explicit map. So let's flip the test a bit, and confirm that we anonymize "master", but keep "other" in the output. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-06-25fast-export: allow seeding the anonymized mappingLibravatar Jeff King1-1/+49
After you anonymize a repository, it can be hard to find which commits correspond between the original and the result, and thus hard to reproduce commands that triggered bugs in the original. Let's make it possible to seed the anonymization map. This lets users either: - mark names to be retained as-is, if they don't consider them secret (in which case their original commands would just work) - map names to new values, which lets them adapt the reproduction recipe to the new names without revealing the originals The implementation is fairly straight-forward. We already store each anonymized token in a hashmap (so that the same token appearing twice is converted to the same result). We can just introduce a new "seed" hashmap which is consulted first. This does make a few more promises to the user about how we'll anonymize things (e.g., token-splitting pathnames). But it's unlikely that we'd want to change those rules, even if the actual anonymization of a single token changes. And it makes things much easier for the user, who can unblind only a directory name without having to specify each path within it. One alternative to this approach would be to anonymize as we see fit, and then dump the whole refname and pathname mappings to a file. This does work, but it's a bit awkward to use (you have to manually dig the items you care about out of the mapping). Helped-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-06-25Merge branch 'jt/cdn-offload'Libravatar Junio C Hamano2-6/+87
The "fetch/clone" protocol has been updated to allow the server to instruct the clients to grab pre-packaged packfile(s) in addition to the packed object data coming over the wire. * jt/cdn-offload: upload-pack: fix a sparse '0 as NULL pointer' warning upload-pack: send part of packfile response as uri fetch-pack: support more than one pack lockfile upload-pack: refactor reading of pack-objects out Documentation: add Packfile URIs design doc Documentation: order protocol v2 sections http-fetch: support fetching packfiles by URL http-fetch: refactor into function http: refactor finish_http_pack_request() http: use --stdin when indexing dumb HTTP pack
2020-06-25Merge branch 'ss/submodule-set-branch-in-c'Libravatar Junio C Hamano1-0/+44
Rewrite of parts of the scripted "git submodule" Porcelain command continues; this time it is "git submodule set-branch" subcommand's turn. * ss/submodule-set-branch-in-c: submodule: port subcommand 'set-branch' from shell to C
2020-06-25Merge branch 'dl/branch-cleanup'Libravatar Junio C Hamano1-1/+1
Code clean-up around "git branch" with a minor bugfix. * dl/branch-cleanup: branch: don't mix --edit-description t3200: test for specific errors t3200: rename "expected" to "expect"
2020-06-25Merge branch 'ct/diff-with-merge-base-clarification'Libravatar Junio C Hamano1-14/+118
"git diff" used to take arguments in random and nonsense range notation, e.g. "git diff A..B C", "git diff A..B C...D", etc., which has been cleaned up. * ct/diff-with-merge-base-clarification: Documentation: usage for diff combined commits git diff: improve range handling t/t3430: avoid undefined git diff behavior
2020-06-25Merge branch 'en/clean-cleanups'Libravatar Junio C Hamano1-11/+38
Code clean-up of "git clean" resulted in a fix of recent performance regression. * en/clean-cleanups: clean: optimize and document cases where we recurse into subdirectories clean: consolidate handling of ignored parameters dir, clean: avoid disallowed behavior dir: fix a few confusing comments
2020-06-24clone: use configured default branch name when appropriateLibravatar Johannes Schindelin1-3/+7
When cloning a repository without any branches, Git chooses a default branch name for the as-yet unborn branch. As part of the implicit initialization of the local repository, Git just learned to respect `init.defaultBranch` to choose a different initial branch name. We now really want that branch name to be used as a fall-back. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-06-24init: allow setting the default for the initial branch name via the configLibravatar Don Goodman-Wilson1-1/+1
We just introduced the command-line option `--initial-branch=<branch-name>` to allow initializing a new repository with a different initial branch than the hard-coded one. To allow users to override the initial branch name more permanently (i.e. without having to specify the name manually for each and every `git init` invocation), let's introduce the `init.defaultBranch` config setting. Helped-by: Johannes Schindelin <johannes.schindelin@gmx.de> Helped-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Don Goodman-Wilson <don@goodman-wilson.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-06-24init: allow specifying the initial branch name for the new repositoryLibravatar Johannes Schindelin2-7/+29
There is a growing number of projects and companies desiring to change the main branch name of their repositories (see e.g. https://twitter.com/mislav/status/1270388510684598272 for background on this). To change that branch name for new repositories, currently the only way to do that automatically is by copying all of Git's template directory, then hard-coding the desired default branch name into the `.git/HEAD` file, and then configuring `init.templateDir` to point to those copied template files. To make this process much less cumbersome, let's introduce a new option: `--initial-branch=<branch-name>`. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-06-24submodule: fall back to remote's HEAD for missing remote.<name>.branchLibravatar Johannes Schindelin1-1/+1
When `remote.<name>.branch` is not configured, `git submodule update` currently falls back to using the branch name `master`. A much better idea, however, is to use the remote `HEAD`: on all Git servers running reasonably recent Git versions, the symref `HEAD` points to the main branch. Note: t7419 demonstrates that there _might_ be use cases out there that _expect_ `git submodule update --remote` to update submodules to the remote `master` branch even if the remote `HEAD` points to another branch. Arguably, this patch makes the behavior more intuitive, but there is a slight possibility that this might cause regressions in obscure setups. Even so, it should be okay to fix this behavior without anything like a longer transition period: - The `git submodule update --remote` command is not really common. - Current Git's behavior when running this command is outright confusing, unless the remote repository's current branch _is_ `master` (in which case the proposed behavior matches the old behavior). - If a user encounters a regression due to the changed behavior, the fix is actually trivial: setting `submodule.<name>.branch` to `master` will reinstate the old behavior. Helped-by: Philippe Blain <levraiphilippeblain@gmail.com> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>