diff options
Diffstat (limited to 'docs')
-rw-r--r-- | docs/BUILDING.md | 2 | ||||
-rw-r--r-- | docs/CHANGELOG.md | 156 | ||||
-rw-r--r-- | docs/SECURITY.md | 2 | ||||
-rw-r--r-- | docs/USAGE.md | 2 | ||||
-rw-r--r-- | docs/bfs.1 | 175 |
5 files changed, 266 insertions, 71 deletions
diff --git a/docs/BUILDING.md b/docs/BUILDING.md index cb26059..69a997c 100644 --- a/docs/BUILDING.md +++ b/docs/BUILDING.md @@ -93,7 +93,7 @@ External dependencies are auto-detected by default, but you can build `--with` o </pre> [`pkg-config`] is used, if available, to detect these libraries and any additional build flags they may require. -If this is undesireable, disable it by setting `PKG_CONFIG` to the empty string (`./configure PKG_CONFIG=""`). +If this is undesirable, disable it by setting `PKG_CONFIG` to the empty string (`./configure PKG_CONFIG=""`). [`pkg-config`]: https://www.freedesktop.org/wiki/Software/pkg-config/ diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md index 84efa91..56f53b4 100644 --- a/docs/CHANGELOG.md +++ b/docs/CHANGELOG.md @@ -1,6 +1,158 @@ 4.* === +4.0.8 +----- + +**June 20, 2025** + +### Bug fixes + +- Fixed an invalid optimization that transformed + + $ bfs -user you -or -user me + + into just + + $ bfs -user you + + The bug was originally introduced in bfs 2.0 (October 14, 2020). + ([#155](https://github.com/tavianator/bfs/issues/155)) + + +4.0.7 +----- + +**June 15, 2025** + +### Changes + +- `bfs` now takes CPU affinity into account when picking how many threads to use + ([`a36774b`](https://github.com/tavianator/bfs/commit/a36774be636c3429c6e73de33bf65a1bdbdcfb4b)) + +- `-execdir /bin/...` is now allowed even with a relative path in `$PATH` + ([`cb40f51`](https://github.com/tavianator/bfs/commit/cb40f51e4e6375a10265484b6959c6b1b0591378)) + +- *Expect* is no longer a test suite dependency + ([`7102fec`](https://github.com/tavianator/bfs/commit/7102fec257835302cb4978160bba4cbebd0b63e1)) + +### Bug fixes + +- Only the last `-files0-from` argument now has any effect, to match GNU find + ([`a662fda`](https://github.com/tavianator/bfs/commit/a662fda2642e17478bc8e78adb4c6642a8505cdb)) + +- Fixed `-execdir {}`, which was inadvertently broken in bfs 4.0 + ([`def4a83`](https://github.com/tavianator/bfs/commit/def4a832425bfe94b96b8cb1146a83552b754fb4)) + + +4.0.6 +----- + +**February 26, 2025** + +### Bug fixes + +- Fixed `-fstype` with btrfs subvolumes (requires Linux 5.8+) + ([`0dccdae`](https://github.com/tavianator/bfs/commit/0dccdae4510ff5603247be871e64a6119647ea2a)) + +- Fixed `-ls` with timestamps very far in the future + ([`dd5df1f`](https://github.com/tavianator/bfs/commit/dd5df1f8997550c5bf49205578027715b957bd01)) + +- Fixed the `posix/exec_sigmask` test on mips64el Linux + ([`532dec0`](https://github.com/tavianator/bfs/commit/532dec0849dcdc3e15e530ac40a8168f146a41cd)) + +- Fixed time-related tests with `mawk 1.3.4 20250131` + ([#152](https://github.com/tavianator/bfs/issues/152)) + + +4.0.5 +----- + +**January 18, 2025** + +### Bug fixes + +- Fixed a bug that could cause child processes (e.g. from `-exec`) to run with all signals blocked. + The bug was introduced in version 3.3. + ([`af207e7`](https://github.com/tavianator/bfs/commit/af207e702148e5c9ae08047d7a2dce6394653b62)) + +### Changes + +- Fixed the build against old liburing versions + ([#147](https://github.com/tavianator/bfs/issues/147)) + +- Async I/O performance optimizations + + +4.0.4 +----- + +**October 31, 2024** + +## Bug fixes + +- Fixed a man page typo + ([#144](https://github.com/tavianator/bfs/pull/144)) + +- Fixed the build on PowerPC macOS + ([#145](https://github.com/tavianator/bfs/issues/145)) + +- Fixed a bug introduced in bfs 4.0.3 that colorized every file as if it had capabilities on non-Linux systems + ([#146](https://github.com/tavianator/bfs/pull/146)) + + +4.0.3 +----- + +**October 22, 2024** + +### Bug fixes + +- Fixed an assertion failure when `$LS_COLORS` contained escaped NUL bytes like `*\0.gz=` + ([`f5eaadb9`](https://github.com/tavianator/bfs/commit/f5eaadb96fb94b2d3666e53a99495840a3099aec)) + +- Fixed a use-after-free bug introduced in bfs 4.0 when unregistering and re-registering signal hooks. + This could be reproduced with `bfs -nocolor` by repeatedly sending `SIGINFO`/`SIGUSR1` to toggle the status bar. + ([`39ff273`](https://github.com/tavianator/bfs/commit/39ff273df97e51b1285358b9e6808b117ea8adb1)) + +- Fixed a hang present since bfs 3.0 colorizing paths like `notdir/file`, where `notdir` is a symlink pointing to a non-directory file. + ([`b89f22cb`](https://github.com/tavianator/bfs/commit/b89f22cbf250958a802915eb7b6bf0e5f38376ca)) + + +4.0.2 +----- + +**September 17, 2024** + +### New features + +- Implemented `./configure --version=X.Y.Z`, mainly for packagers to override the version number + ([`4a278d3`](https://github.com/tavianator/bfs/commit/4a278d3e39a685379711727eac7bfaa83679e0e4)) + +### Changes + +- Minor refactoring of the build system + +### Bug fixes + +- Fixed `./configure --help`, which was broken since `bfs` 4.0 + ([`07ae989`](https://github.com/tavianator/bfs/commit/07ae98906dbb0caaac2f758d72e88dd0975b2a81)) + +- Fixed compiler flag auto-detection on systems with non-GNU `sed`. + This fixes a potential race condition on FreeBSD since `bfs` 4.0 due to the [switch to `_Fork()`](https://github.com/tavianator/bfs/commit/085bb402c7b2c2f96624fb0523ff3f9686fe26d9) without passing `-z now` to the linker. + ([`34e6081`](https://github.com/tavianator/bfs/commit/34e60816adb0ea8ddb155a454676a99ab225dc8a)) + +- Fixed `$MAKE distcheck` when `$MAKE` is not `make`, e.g. `gmake distcheck` on BSD + ([`2135b00`](https://github.com/tavianator/bfs/commit/2135b00d215efc5c2c38e1abd3254baf31229ad4)) + +- Fixed some roff syntax issues in the `bfs` manpage + ([`812ecd1`](https://github.com/tavianator/bfs/commit/812ecd1feeb002252dd4d732b395d31c4179afaf)) + +- Fixed an assertion failure optimizing expressions like `bfs -not \( -prune , -type f \)` since `bfs` 3.1. + Release builds were not affected, since their assertions are disabled and the behaviour was otherwise correct. + ([`b1a9998`](https://github.com/tavianator/bfs/commit/b1a999892b9e13181ddd9a7d895f3d1c65fbb449)) + + 4.0.1 ----- @@ -9,7 +161,7 @@ ### Bug fixes - `bfs` no longer prints a "suppressed errors" warning unless `-noerror` is actually suppressing errors - [`5d03c9d`](https://github.com/tavianator/bfs/commit/5d03c9d460d1c1afcdf062d494537986ce96a690) + ([`5d03c9d`](https://github.com/tavianator/bfs/commit/5d03c9d460d1c1afcdf062d494537986ce96a690)) 4.0 @@ -290,7 +442,7 @@ - Breadth-first search could become highly unbalanced, negating many of the benefits of `bfs` - - On non-{Linux,FreeBSD} plaforms, directories could stay open longer than necessary, consuming extra memory + - On non-{Linux,FreeBSD} platforms, directories could stay open longer than necessary, consuming extra memory [#107]: https://github.com/tavianator/bfs/pull/107 diff --git a/docs/SECURITY.md b/docs/SECURITY.md index 7bcb5e6..dd3277a 100644 --- a/docs/SECURITY.md +++ b/docs/SECURITY.md @@ -16,7 +16,7 @@ Anyone with enough control over the command line of `bfs` or any `find`-compatib > It is *always* unsafe to allow *any* other part of the command line to be affected by untrusted input. > Use the `-f` flag, or `-files0-from`, to ensure that the input is interpreted as a path. -This still has security implications, incuding: +This still has security implications, including: - **Information disclosure:** an attacker may learn whether particular files exist by observing `bfs`'s output, exit status, or even side channels like execution time. - **Denial of service:** large directory trees or slow/network storage may cause `bfs` to consume excessive system resources. diff --git a/docs/USAGE.md b/docs/USAGE.md index 70f8475..16aeaf6 100644 --- a/docs/USAGE.md +++ b/docs/USAGE.md @@ -105,7 +105,7 @@ For expressions like `-name`, that's all they do. But some expressions, called *actions*, have other side effects. If no actions are included in the expression, `bfs` adds the `-print` action automatically, which is why the above examples actually print any output. -The default `-print` is supressed if any actions are given explicitly. +The default `-print` is suppressed if any actions are given explicitly. Available actions include printing with alternate formats (`-ls`, `-printf`, etc.), executing commands (`-exec`, `-execdir`, etc.), deleting files (`-delete`), and stopping the search (`-quit`, `-exit`). @@ -1,4 +1,6 @@ -.TH BFS 1 2024-08-19 "bfs 4.0.1" +.\" Copyright © Tavian Barnes <tavianator@tavianator.com> +.\" SPDX-License-Identifier: 0BSD +.TH BFS 1 2025-06-15 "bfs 4.0.8" .SH NAME bfs \- breadth-first search for your files .SH SYNOPSIS @@ -90,7 +92,9 @@ Follow all symbolic links. Never follow symbolic links (the default). .TP .B \-E -Use extended regular expressions (same as \fB\-regextype \fIposix-extended\fR). +Use extended regular expressions (same as +.B \-regextype +.IR posix-extended ). .TP .B \-X Filter out files with @@ -109,19 +113,20 @@ The sorting takes place within each directory separately, which makes it differe but still provides a deterministic ordering. .TP .B \-x -Don't descend into other mount points (same as \fB\-xdev\fR). +Don't descend into other mount points (same as +.BR \-xdev ). .TP -\fB\-f \fIPATH\fR +.BI "\-f " PATH Treat .I PATH as a path to search (useful if it begins with a dash). .TP -\fB\-D \fIFLAG\fR +.BI "\-D " FLAG Turn on a debugging flag (see .B \-D .IR help ). .PP -\fB\-O\fIN\fR +.BI \-O N .RS Enable optimization level .I N @@ -177,14 +182,14 @@ Typically far faster than .IR ids . .RE .TP -\fB\-j\fIN\fR +.BI \-j N Search with .I N threads in parallel (default: number of CPUs, up to .IR 8 ). .SH OPERATORS .TP -\fB( \fIexpression \fB)\fR +.BI "( " expression " )" Parentheses are used for grouping expressions together. You'll probably have to write .B \e( @@ -194,18 +199,25 @@ to avoid the parentheses being interpreted by the shell. .PP \fB! \fIexpression\fR .br -\fB\-not \fIexpression\fR +.B \-not +.I expression .RS The "not" operator: returns the negation of the truth value of the .IR expression . -You may have to write \fB\e! \fIexpression\fR to avoid \fB!\fR being interpreted by the shell. +You may have to write \fB\e! \fIexpression\fR to avoid +.B ! +being interpreted by the shell. .RE .PP -\fIexpression\fR \fIexpression\fR +.I expression expression .br -\fIexpression \fB\-a \fIexpression\fR +.I expression +.B \-a +.I expression .br -\fIexpression \fB\-and \fIexpression\fR +.I expression +.B \-and +.I expression .RS Short-circuiting "and" operator: if the left-hand .I expression @@ -217,9 +229,13 @@ otherwise, returns .BR false . .RE .PP -\fIexpression \fB\-o \fIexpression\fR +.I expression +.B \-o +.I expression .br -\fIexpression \fB\-or \fIexpression\fR +.I expression +.B \-or +.I expression .RS Short-circuiting "or" operator: if the left-hand .I expression @@ -231,14 +247,14 @@ otherwise, returns .BR true . .RE .TP -\fIexpression \fB, \fIexpression\fR +.IB "expression " , " expression" The "comma" operator: evaluates the left-hand .I expression but discards the result, returning the right-hand .IR expression . .SH SPECIAL FORMS .TP -\fB\-exclude \fIexpression\fR +.BI "\-exclude " expression Exclude all paths matching the .I expression from the search. @@ -286,7 +302,7 @@ Search in post-order (descendents first). Follow all symbolic links (same as .BR \-L ). .TP -\fB\-files0\-from \fIFILE\fR +.BI "\-files0\-from " FILE Treat the NUL ('\e0')-separated paths in .I FILE as starting points for the search. @@ -295,9 +311,9 @@ Pass .I \- to read the paths from standard input. .PP -\fB\-ignore_readdir_race\fR +.B \-ignore_readdir_race .br -\fB\-noignore_readdir_race\fR +.B \-noignore_readdir_race .RS Whether to report an error if .B bfs @@ -305,9 +321,11 @@ detects that the file tree is modified during the search (default: .BR \-noignore_readdir_race ). .RE .PP -\fB\-maxdepth \fIN\fR +.B \-maxdepth +.I N .br -\fB\-mindepth \fIN\fR +.B \-mindepth +.I N .RS Ignore files deeper/shallower than .IR N . @@ -325,7 +343,7 @@ Exclude hidden files and directories. .B \-noleaf Ignored; for compatibility with GNU find. .TP -\fB\-regextype \fITYPE\fR +.BI "\-regextype " TYPE Use .IR TYPE -flavored regular expressions. @@ -336,7 +354,7 @@ The possible types are POSIX basic regular expressions (the default). .TP .I posix-extended -POSIX extended resular expressions. +POSIX extended regular expressions. .TP .I ed Like @@ -403,13 +421,17 @@ Find files minutes ago. .RE .PP -\fB\-anewer \fIFILE\fR +.B \-anewer +.I FILE .br -\fB\-Bnewer \fIFILE\fR +.B \-Bnewer +.I FILE .br -\fB\-cnewer \fIFILE\fR +.B \-cnewer +.I FILE .br -\fB\-mnewer \fIFILE\fR +.B \-mnewer +.I FILE .RS Find files .BR a ccessed/ B irthed/ c hanged/ m odified @@ -418,13 +440,17 @@ more recently than was modified. .RE .PP -\fB\-asince \fITIME\fR +.B \-asince +.I TIME .br -\fB\-Bsince \fITIME\fR +.B \-Bsince +.I TIME .br -\fB\-csince \fITIME\fR +.B \-csince +.I TIME .br -\fB\-msince \fITIME\fR +.B \-msince +.I TIME .RS Find files .BR a ccessed/ B irthed/ c hanged/ m odified @@ -454,7 +480,7 @@ Find files with POSIX.1e .BR capabilities (7) set. .TP -\fB\-context \fIGLOB\fR +.BI "\-context " GLOB Find files whose SELinux context matches the .IR GLOB . .TP @@ -485,7 +511,7 @@ Always false/true. Find files with matching inode .BR FLAGS . .TP -\fB\-fstype \fITYPE\fR +.BI "\-fstype " TYPE Find files on file systems with the given .IR TYPE . .PP @@ -497,9 +523,11 @@ Find files owned by group/user ID .IR N . .RE .PP -\fB\-group \fINAME\fR +.B \-group +.I NAME .br -\fB\-user \fINAME\fR +.B \-user +.I NAME .RS Find files owned by the group/user .IR NAME . @@ -509,15 +537,20 @@ Find files owned by the group/user Find hidden files (those beginning with .IR . ). .PP -\fB\-ilname \fIGLOB\fR +.B \-ilname +.I GLOB .br -\fB\-iname \fIGLOB\fR +.B \-iname +.I GLOB .br -\fB\-ipath \fIGLOB\fR +.B \-ipath +.I GLOB .br -\fB\-iregex \fIREGEX\fR +.B \-iregex +.I REGEX .br -\fB\-iwholename \fIGLOB\fR +.B \-iwholename +.I GLOB .RS Case-insensitive versions of .BR \-lname / \-name / \-path / \-regex / \-wholename . @@ -532,19 +565,19 @@ Find files with .I N hard links. .TP -\fB\-lname \fIGLOB\fR +.BI "\-lname " GLOB Find symbolic links whose target matches the .IR GLOB . .TP -\fB\-name \fIGLOB\fR +.BI "\-name " GLOB Find files whose name matches the .IR GLOB . .TP -\fB\-newer \fIFILE\fR +.BI "\-newer " FILE Find files newer than .IR FILE . .TP -\fB\-newer\fIXY \fIREFERENCE\fR +.BI \-newer "XY REFERENCE" Find files whose .I X time is newer than the @@ -580,9 +613,11 @@ as an ISO 8601-style timestamp. For example: Find files owned by nonexistent groups/users. .RE .PP -\fB\-path \fIGLOB\fR +.B \-path +.I GLOB .br -\fB\-wholename \fIGLOB\fR +.B \-wholename +.I GLOB .RS Find files whose entire path matches the .IR GLOB . @@ -591,15 +626,15 @@ Find files whose entire path matches the \fB\-perm\fR [\fI\-+/\fR]\fIMODE\fR Find files with a matching mode. .TP -\fB\-regex \fIREGEX\fR +.BI "\-regex " REGEX Find files whose entire path matches the regular expression .IR REGEX . .TP -\fB\-samefile \fIFILE\fR +.BI "\-samefile " FILE Find hard links to .IR FILE . .TP -\fB\-since \fITIME\fR +.BI "\-since " TIME Find files modified since the ISO 8601-style timestamp .IR TIME . See @@ -678,7 +713,7 @@ days after they were changed. Find files with extended attributes .RB ( xattr (7)). .TP -\fB\-xattrname\fR \fINAME\fR +.BI "\-xattrname " NAME Find files with the extended attribute .IR NAME . .TP @@ -691,23 +726,27 @@ would not, and vice versa. .br .B \-rm .RS -Delete any found files (implies \fB-depth\fR). +Delete any found files (implies +.BR \-depth ). .RE .TP -\fB\-exec \fIcommand ... {} ;\fR +.BI "\-exec " "command ... {} ;" Execute a command. .TP -\fB\-exec \fIcommand ... {} +\fR +.BI "\-exec " "command ... {} +" Execute a command with multiple files at once. .TP -\fB\-ok \fIcommand ... {} ;\fR +.BI "\-ok " "command ... {} ;" Prompt the user whether to execute a command. .PP -\fB\-execdir \fIcommand ... {} ;\fR +.B \-execdir +.I command ... {} ; .br -\fB\-execdir \fIcommand ... {} +\fR +.B \-execdir +.I command ... {} + .br -\fB\-okdir \fIcommand ... {} ;\fR +.B \-okdir +.I command ... {} ; .RS Like .BR \-exec / \-ok , @@ -719,13 +758,17 @@ Exit immediately with the given status .RI ( 0 if unspecified). .PP -\fB\-fls \fIFILE\fR +.B \-fls +.I FILE .br -\fB\-fprint \fIFILE\fR +.B \-fprint +.I FILE .br -\fB\-fprint0 \fIFILE\fR +.B \-fprint0 +.I FILE .br -\fB\-fprintf \fIFILE FORMAT\fR +.B \-fprintf +.I FILE FORMAT .RS Like .BR \-ls / \-print / \-print0 / \-printf , @@ -734,7 +777,7 @@ but write to instead of standard output. .RE .TP -\fB\-limit \fIN\fR +.BI "\-limit " N Quit once this action is evaluated .I N times. @@ -755,7 +798,7 @@ Useful in conjunction with .B xargs .IR \-0 . .TP -\fB\-printf \fIFORMAT\fR +.BI "\-printf " FORMAT Print according to a format string (see .BR find (1)). These additional format directives are supported: @@ -901,7 +944,7 @@ is quoted to ensure the glob is processed by .B bfs rather than the shell. .TP -\fBbfs \-name access_log \-L \fI/var\fR +.BI "bfs \-name access_log \-L " /var Finds all files named .B access_log under @@ -910,7 +953,7 @@ following symbolic links. .B bfs allows flags and paths to appear anywhere on the command line. .TP -\fBbfs \fI~ \fB\-not \-user $USER\fR +.BI "bfs " ~ " \-not \-user $USER" Prints all files in your home directory not owned by you. .TP .B bfs \-xtype l |