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2021-10-08blame: document --color-* optionsLibravatar Bagas Sanjaya3-17/+31
Commit cdc2d5f11f1a (builtin/blame: dim uninteresting metadata lines, 2018-04-23) and 25d5f52901f0 (builtin/blame: highlight recently changed lines, 2018-04-23) introduce --color-lines and --color-by-age options to git blame, respectively. While both options are mentioned in usage help, they aren't documented in git-blame(1). Document them. Co-authored-by: Dr. Matthias St. Pierre <m.st.pierre@ncp-e.com> Signed-off-by: Dr. Matthias St. Pierre <m.st.pierre@ncp-e.com> Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-10-01blame: describe default output formatLibravatar Bagas Sanjaya1-0/+13
While there is descriptions for porcelain and incremental output formats, the default format isn't described. Describe that format for the sake of completeness. Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-02-12Git 2.30.2Libravatar Johannes Schindelin3-2/+10
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2021-02-12Sync with 2.29.3Libravatar Johannes Schindelin22-4/+284
* maint-2.29: Git 2.29.3 Git 2.28.1 Git 2.27.1 Git 2.26.3 Git 2.25.5 Git 2.24.4 Git 2.23.4 Git 2.22.5 Git 2.21.4 Git 2.20.5 Git 2.19.6 Git 2.18.5 Git 2.17.6 unpack_trees(): start with a fresh lstat cache run-command: invalidate lstat cache after a command finished checkout: fix bug that makes checkout follow symlinks in leading path
2021-02-12Git 2.29.3Libravatar Johannes Schindelin3-2/+10
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2021-02-12Sync with 2.28.1Libravatar Johannes Schindelin21-4/+277
* maint-2.28: Git 2.28.1 Git 2.27.1 Git 2.26.3 Git 2.25.5 Git 2.24.4 Git 2.23.4 Git 2.22.5 Git 2.21.4 Git 2.20.5 Git 2.19.6 Git 2.18.5 Git 2.17.6 unpack_trees(): start with a fresh lstat cache run-command: invalidate lstat cache after a command finished checkout: fix bug that makes checkout follow symlinks in leading path
2021-02-12Git 2.28.1Libravatar Johannes Schindelin3-2/+9
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2021-02-12Sync with 2.27.1Libravatar Johannes Schindelin20-4/+270
* maint-2.27: Git 2.27.1 Git 2.26.3 Git 2.25.5 Git 2.24.4 Git 2.23.4 Git 2.22.5 Git 2.21.4 Git 2.20.5 Git 2.19.6 Git 2.18.5 Git 2.17.6 unpack_trees(): start with a fresh lstat cache run-command: invalidate lstat cache after a command finished checkout: fix bug that makes checkout follow symlinks in leading path
2021-02-12Git 2.27.1Libravatar Johannes Schindelin3-2/+9
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2021-02-12Sync with 2.26.3Libravatar Johannes Schindelin19-4/+263
* maint-2.26: Git 2.26.3 Git 2.25.5 Git 2.24.4 Git 2.23.4 Git 2.22.5 Git 2.21.4 Git 2.20.5 Git 2.19.6 Git 2.18.5 Git 2.17.6 unpack_trees(): start with a fresh lstat cache run-command: invalidate lstat cache after a command finished checkout: fix bug that makes checkout follow symlinks in leading path
2021-02-12Git 2.26.3Libravatar Johannes Schindelin3-2/+9
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2021-02-12Sync with 2.25.5Libravatar Johannes Schindelin18-4/+256
* maint-2.25: Git 2.25.5 Git 2.24.4 Git 2.23.4 Git 2.22.5 Git 2.21.4 Git 2.20.5 Git 2.19.6 Git 2.18.5 Git 2.17.6 unpack_trees(): start with a fresh lstat cache run-command: invalidate lstat cache after a command finished checkout: fix bug that makes checkout follow symlinks in leading path
2021-02-12Git 2.25.5Libravatar Johannes Schindelin3-2/+9
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2021-02-12Sync with 2.24.4Libravatar Johannes Schindelin17-4/+249
* maint-2.24: Git 2.24.4 Git 2.23.4 Git 2.22.5 Git 2.21.4 Git 2.20.5 Git 2.19.6 Git 2.18.5 Git 2.17.6 unpack_trees(): start with a fresh lstat cache run-command: invalidate lstat cache after a command finished checkout: fix bug that makes checkout follow symlinks in leading path
2021-02-12Git 2.24.4Libravatar Johannes Schindelin3-2/+9
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2021-02-12Sync with 2.23.4Libravatar Johannes Schindelin16-4/+242
* maint-2.23: Git 2.23.4 Git 2.22.5 Git 2.21.4 Git 2.20.5 Git 2.19.6 Git 2.18.5 Git 2.17.6 unpack_trees(): start with a fresh lstat cache run-command: invalidate lstat cache after a command finished checkout: fix bug that makes checkout follow symlinks in leading path
2021-02-12Git 2.23.4Libravatar Johannes Schindelin3-2/+9
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2021-02-12Sync with 2.22.5Libravatar Johannes Schindelin15-4/+235
* maint-2.22: Git 2.22.5 Git 2.21.4 Git 2.20.5 Git 2.19.6 Git 2.18.5 Git 2.17.6 unpack_trees(): start with a fresh lstat cache run-command: invalidate lstat cache after a command finished checkout: fix bug that makes checkout follow symlinks in leading path
2021-02-12Git 2.22.5Libravatar Johannes Schindelin3-2/+9
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2021-02-12Sync with 2.21.4Libravatar Johannes Schindelin14-4/+228
* maint-2.21: Git 2.21.4 Git 2.20.5 Git 2.19.6 Git 2.18.5 Git 2.17.6 unpack_trees(): start with a fresh lstat cache run-command: invalidate lstat cache after a command finished checkout: fix bug that makes checkout follow symlinks in leading path
2021-02-12Git 2.21.4Libravatar Johannes Schindelin3-2/+8
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2021-02-12Sync with 2.20.5Libravatar Johannes Schindelin13-4/+222
* maint-2.20: Git 2.20.5 Git 2.19.6 Git 2.18.5 Git 2.17.6 unpack_trees(): start with a fresh lstat cache run-command: invalidate lstat cache after a command finished checkout: fix bug that makes checkout follow symlinks in leading path
2021-02-12Git 2.20.5Libravatar Johannes Schindelin3-2/+8
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2021-02-12Sync with 2.19.6Libravatar Johannes Schindelin12-4/+216
* maint-2.19: Git 2.19.6 Git 2.18.5 Git 2.17.6 unpack_trees(): start with a fresh lstat cache run-command: invalidate lstat cache after a command finished checkout: fix bug that makes checkout follow symlinks in leading path
2021-02-12Git 2.19.6Libravatar Johannes Schindelin3-2/+8
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2021-02-12Sync with 2.18.5Libravatar Johannes Schindelin11-4/+210
* maint-2.18: Git 2.18.5 Git 2.17.6 unpack_trees(): start with a fresh lstat cache run-command: invalidate lstat cache after a command finished checkout: fix bug that makes checkout follow symlinks in leading path
2021-02-12Git 2.18.5Libravatar Johannes Schindelin3-2/+8
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2021-02-12Sync with 2.17.6Libravatar Johannes Schindelin10-4/+204
* maint-2.17: Git 2.17.6 unpack_trees(): start with a fresh lstat cache run-command: invalidate lstat cache after a command finished checkout: fix bug that makes checkout follow symlinks in leading path
2021-02-12Git 2.17.6Libravatar Johannes Schindelin3-2/+18
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2021-02-12unpack_trees(): start with a fresh lstat cacheLibravatar Matheus Tavares1-0/+3
We really want to avoid relying on stale information. Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2021-02-12run-command: invalidate lstat cache after a command finishedLibravatar Johannes Schindelin2-1/+44
In the previous commit, we intercepted calls to `rmdir()` to invalidate the lstat cache in the successful case, so that the lstat cache could not have the idea that a directory exists where there is none. The same situation can arise, of course, when a separate process is spawned (most notably, this is the case in `submodule_move_head()`). Obviously, we cannot know whether a directory was removed in that process, therefore we must invalidate the lstat cache afterwards. Note: in contrast to `lstat_cache_aware_rmdir()`, we invalidate the lstat cache even in case of an error: the process might have removed a directory and still have failed afterwards. Co-authored-by: Matheus Tavares <matheus.bernardino@usp.br> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2021-02-12checkout: fix bug that makes checkout follow symlinks in leading pathLibravatar Matheus Tavares7-3/+141
Before checking out a file, we have to confirm that all of its leading components are real existing directories. And to reduce the number of lstat() calls in this process, we cache the last leading path known to contain only directories. However, when a path collision occurs (e.g. when checking out case-sensitive files in case-insensitive file systems), a cached path might have its file type changed on disk, leaving the cache on an invalid state. Normally, this doesn't bring any bad consequences as we usually check out files in index order, and therefore, by the time the cached path becomes outdated, we no longer need it anyway (because all files in that directory would have already been written). But, there are some users of the checkout machinery that do not always follow the index order. In particular: checkout-index writes the paths in the same order that they appear on the CLI (or stdin); and the delayed checkout feature -- used when a long-running filter process replies with "status=delayed" -- postpones the checkout of some entries, thus modifying the checkout order. When we have to check out an out-of-order entry and the lstat() cache is invalid (due to a previous path collision), checkout_entry() may end up using the invalid data and thrusting that the leading components are real directories when, in reality, they are not. In the best case scenario, where the directory was replaced by a regular file, the user will get an error: "fatal: unable to create file 'foo/bar': Not a directory". But if the directory was replaced by a symlink, checkout could actually end up following the symlink and writing the file at a wrong place, even outside the repository. Since delayed checkout is affected by this bug, it could be used by an attacker to write arbitrary files during the clone of a maliciously crafted repository. Some candidate solutions considered were to disable the lstat() cache during unordered checkouts or sort the entries before passing them to the checkout machinery. But both ideas include some performance penalty and they don't future-proof the code against new unordered use cases. Instead, we now manually reset the lstat cache whenever we successfully remove a directory. Note: We are not even checking whether the directory was the same as the lstat cache points to because we might face a scenario where the paths refer to the same location but differ due to case folding, precomposed UTF-8 issues, or the presence of `..` components in the path. Two regression tests, with case-collisions and utf8-collisions, are also added for both checkout-index and delayed checkout. Note: to make the previously mentioned clone attack unfeasible, it would be sufficient to reset the lstat cache only after the remove_subtree() call inside checkout_entry(). This is the place where we would remove a directory whose path collides with the path of another entry that we are currently trying to check out (possibly a symlink). However, in the interest of a thorough fix that does not leave Git open to similar-but-not-identical attack vectors, we decided to intercept all `rmdir()` calls in one fell swoop. This addresses CVE-2021-21300. Co-authored-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br>
2021-02-11Merge branch 'tb/ci-run-cocci-with-18.04' into maintLibravatar Junio C Hamano1-1/+1
* tb/ci-run-cocci-with-18.04: .github/workflows/main.yml: run static-analysis on bionic
2021-02-08.github/workflows/main.yml: run static-analysis on bionicLibravatar Taylor Blau1-1/+1
GitHub Actions is transitioning workflow steps that run on 'ubuntu-latest' from 18.04 to 20.04 [1]. This works fine in all steps except the static-analysis one, since Coccinelle isn't available on Ubuntu focal (it is only available in the universe suite). Until Coccinelle can be installed from 20.04's main suite, pin the static-analysis build to run on 18.04, where it can be installed by default. [1]: https://github.com/actions/virtual-environments/issues/1816 Reported-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-02-08Git 2.30.1Libravatar Junio C Hamano2-1/+9
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-02-08Merge branch 'pb/ci-matrix-wo-shortcut' into maintLibravatar Junio C Hamano1-0/+4
Our setting of GitHub CI test jobs were a bit too eager to give up once there is even one failure found. Tweak the knob to allow other jobs keep running even when we see a failure, so that we can find more failures in a single run. * pb/ci-matrix-wo-shortcut: ci: do not cancel all jobs of a matrix if one fails
2021-02-08Merge branch 'pb/blame-funcname-range-userdiff' into maintLibravatar Junio C Hamano1-4/+4
Test fix. * pb/blame-funcname-range-userdiff: annotate-tests: quote variable expansions containing path names
2021-02-08Merge branch 'jk/p5303-sed-portability-fix' into maintLibravatar Junio C Hamano1-4/+8
A perf script was made more portable. * jk/p5303-sed-portability-fix: p5303: avoid sed GNU-ism
2021-02-08Merge branch 'ab/branch-sort' into maintLibravatar Junio C Hamano8-44/+111
The implementation of "git branch --sort" wrt the detached HEAD display has always been hacky, which has been cleaned up. * ab/branch-sort: branch: show "HEAD detached" first under reverse sort branch: sort detached HEAD based on a flag ref-filter: move ref_sorting flags to a bitfield ref-filter: move "cmp_fn" assignment into "else if" arm ref-filter: add braces to if/else if/else chain branch tests: add to --sort tests branch: change "--local" to "--list" in comment
2021-02-08Merge branch 'ma/more-opaque-lock-file' into maintLibravatar Junio C Hamano5-15/+15
Code clean-up. * ma/more-opaque-lock-file: read-cache: try not to peek into `struct {lock_,temp}file` refs/files-backend: don't peek into `struct lock_file` midx: don't peek into `struct lock_file` commit-graph: don't peek into `struct lock_file` builtin/gc: don't peek into `struct lock_file`
2021-02-08Merge branch 'dl/p4-encode-after-kw-expansion' into maintLibravatar Junio C Hamano1-1/+1
Text encoding fix for "git p4". * dl/p4-encode-after-kw-expansion: git-p4: fix syncing file types with pattern
2021-02-08Merge branch 'ar/t6016-modernise' into maintLibravatar Junio C Hamano1-187/+167
Test update. * ar/t6016-modernise: t6016: move to lib-log-graph.sh framework
2021-02-08Merge branch 'zh/arg-help-format' into maintLibravatar Junio C Hamano8-64/+64
Clean up option descriptions in "git cmd --help". * zh/arg-help-format: builtin/*: update usage format parse-options: format argh like error messages
2021-02-08Merge branch 'ma/doc-pack-format-varint-for-sizes' into maintLibravatar Junio C Hamano1-1/+16
Doc update. * ma/doc-pack-format-varint-for-sizes: pack-format.txt: document sizes at start of delta data
2021-02-08Merge branch 'ma/t1300-cleanup' into maintLibravatar Junio C Hamano1-40/+32
Code clean-up. * ma/t1300-cleanup: t1300: don't needlessly work with `core.foo` configs t1300: remove duplicate test for `--file no-such-file` t1300: remove duplicate test for `--file ../foo`
2021-02-08Merge branch 'fc/t6030-bisect-reset-removes-auxiliary-files' into maintLibravatar Junio C Hamano1-8/+8
A 3-year old test that was not testing anything useful has been corrected. * fc/t6030-bisect-reset-removes-auxiliary-files: test: bisect-porcelain: fix location of files
2021-02-05Prepare for 2.30.1Libravatar Junio C Hamano3-2/+49
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-02-05Merge branch 'js/skip-dashed-built-ins-from-config-mak' into maintLibravatar Junio C Hamano1-14/+14
Build fix. * js/skip-dashed-built-ins-from-config-mak: SKIP_DASHED_BUILT_INS: respect `config.mak`
2021-02-05Merge branch 'jt/packfile-as-uri-doc' into maintLibravatar Junio C Hamano1-2/+5
Doc fix for packfile URI feature. * jt/packfile-as-uri-doc: Doc: clarify contents of packfile sent as URI
2021-02-05Merge branch 'ab/fsck-doc-fix' into maintLibravatar Junio C Hamano1-8/+0
Documentation for "git fsck" lost stale bits that has become incorrect. * ab/fsck-doc-fix: fsck doc: remove ancient out-of-date diagnostics