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author | Rob Landley <rob@landley.net> | 2015-11-16 03:13:22 -0600 |
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committer | Rob Landley <rob@landley.net> | 2015-11-16 03:13:22 -0600 |
commit | 79af65b116a736e7f5ac5b6609664fd37805d5ec (patch) | |
tree | d3ef0e05af42ef96df30cc9b238b0e90ed359299 /www/roadmap.html | |
parent | a46fcd42123c8c4960be8d233a6e2a19f6b684dc (diff) | |
download | toybox-79af65b116a736e7f5ac5b6609664fd37805d5ec.tar.gz |
Rewrite of the about page, re-triage of sbase, and other documentation updates.
Diffstat (limited to 'www/roadmap.html')
-rwxr-xr-x | www/roadmap.html | 73 |
1 files changed, 44 insertions, 29 deletions
diff --git a/www/roadmap.html b/www/roadmap.html index 9878133e..c31e1f34 100755 --- a/www/roadmap.html +++ b/www/roadmap.html @@ -86,7 +86,10 @@ revisited later, but not for toybox 1.0.)</p> separate executables (alias bg cd command fc fg getopts hash jobs kill read type ulimit umask unalias wait). These may be revisited as part of a built-in toybox shell, but are not exported into $PATH via symlinks. (If you fork a -child process and have it "cd" then exit, you've accomplished nothing.)</p> +child process and have it "cd" then exit, you've accomplished nothing. +This is not a complete list, a shell also needs exit, if, while, for, case, +export, set, unset, trap, exec... And for bash compatability, function and +source.)</p> <p>A few other commands are judgement calls, providing command-line internationalization support (iconv locale localedef), System V inter-process @@ -220,15 +223,23 @@ self-bootstrapping build still uses the following busybox commands, not yet supplied by toybox:</p> <blockquote><p> -awk dd diff expr fdisk ftpd ftpget ftpput gunzip -gzip less pgrep ping pkill ps route sh sha512sum tar test tr unxz vi -wget xzcat zcat +awk bunzip2 bzcat dd diff expr fdisk ftpd ftpget +ftpput gunzip gzip less pgrep ping pkill route sh +sha512sum tar test tr unxz vi wget xzcat zcat </p></blockquote> -<p>Many of those are in "pending". Most of the archive commands are needed -because busybox tar doesn't call external versions. The remaining "difficult" +<p>Many of those are in "pending". The remaining "difficult" commands are vi, awk, and sh.</p> +<p>Building Linux From Scratch is not the same as building the +<a href=https://source.android.com>Android Open Source Project</a>, +but after toybox 1.0 focus may shift to <a href=http://landley.net/aboriginal/about.html#hairball>modifying the AOSP build</a> +to reduce dependencies. (It's fairly likely we'll have to add at least +a read-only git utility so repo can download the build's source code, +but that's actually <a href=https://www.youtube.com/watch?v=P7n6G2IL6eo>not +that hard</a>. We'll probably also need our own "make" at some point after +1.0.)</p> + <hr /> <h2><a name=android /><a href="#android">Use case: Replacing Android Toolbox</a></h2> @@ -311,7 +322,7 @@ from its core system, and is installing toybox as <blockquote><b> <span id=tizen> arch base64 users dir vdir unexpand shred join csplit -hostid nproc runcon sha224 sha256 sha384 sha512 sha3 mkfs.vfat fsck.vfat +hostid nproc runcon sha224sum sha256sum sha384sum sha512sum sha3sum mkfs.vfat fsck.vfat dosfslabel uname stdbuf pinky diff3 sdiff zcmp zdiff zegrep zfgrep zless zmore </span> </b></blockquote> @@ -342,19 +353,19 @@ replacement.</p> musl), klibc builds a random assortment of executables to run init scripts with. There's no multiplexer command, these are individual executables:</p> -<blockquote><p> +<blockquote><p><b> cat chroot cpio dd dmesg false fixdep fstype gunzip gzip halt ipconfig kill kinit ln losetup ls minips mkdir mkfifo mknodes mksyntax mount mv nfsmount nuke pivot_root poweroff readlink reboot resume run-init sh sha1hash sleep sync true umount uname zcat -</p></blockquote> +</b></p></blockquote> <p>To get that list, build klibc according to the instructions (I <a href=http://landley.net/notes-2013.html#23-01-2013>looked at</a> version 2.0.2 and did cd klibc-*; ln -s /output/of/kernel/make/headers_install linux; make) then <b>echo $(for i in $(find . -type f); do file $i | grep -q executable && basename $i; done | grep -v '[.]g$' | sort -u)</b> to find -executables, then eliminated the *.so files and *.shared duplicates.</p> +executables, then eliminate the *.so files and *.shared duplicates.</p> <p>Some of those binaries are build-time tools that don't get installed, which removes mknodes, mksyntax, sha1hash, and fixdep from the list. @@ -368,7 +379,7 @@ for the oddball names.</p> license terms" above), adding nothing to the other projects we've looked at. But we still need sh, gunzip, gzip, and zcat to replace this package.</p> -<p>By the time I did the analysis toybox already had cat, chroot, dmesg, false, +<p>At the time I did the initial analysis toybox already had cat, chroot, dmesg, false, kill, ln, losetup, ls, mkdir, mkfifo, readlink, rm, switch_root, sleep, sync, true, and uname.</p> @@ -514,30 +525,34 @@ it sucks in -lz from the host.)</p> <a name=sbase /> <h2>sbase:</h2> -<p>It's <a href=http://git.suckless.org/sbase>on suckless</a>. So far it's -implemented:</p> +<p>It's <a href=http://git.suckless.org/sbase>on suckless</a> in +<a href=http://git.suckless.org/ubase>two parts</a>. As of November 2015 it's +implemented the following (renaming "cron" to "crond" for +consistency, and yanking "sponge", "mesg", "pagesize", "respawn", and +"vtallow"):</p> <blockquote><p> <span id=sbase_cmd> -basename cat chmod chown cksum cmp cp date dirname echo false fold grep head -kill ln ls mc mkdir mkfifo mv nl nohup pwd rm seq sleep sort tail tee test -touch true tty uname uniq wc yes +basename cal cat chgrp chmod chown chroot cksum cmp cols comm cp crond cut date +dirname du echo env expand expr false find flock fold getconf grep head +hostname join kill link ln logger logname ls md5sum mkdir mkfifo mktemp mv +nice nl nohup od paste printenv printf pwd readlink renice rm rmdir sed seq +setsid sha1sum sha256sum sha512sum sleep sort split strings sync tail +tar tee test tftp time touch tr true tty uname unexpand uniq unlink uudecode +uuencode wc which xargs yes </span> </p></blockquote> -<p>And has a TODO list:</p> +<p>and<p> <blockquote><p> <span id=sbase_cmd> -cal chgrp chvt comm cut df diff du env expand expr id md5sum nice paste -printenv printf readlink rmdir seq sha1sum split sync test tr unexpand unlink +chvt clear dd df dmesg eject fallocate free id login mknod mountpoint +passwd pidof ps stat su truncate unshare uptime watch who </span> </p></blockquote> -<p>At triage time, of the first list I still need to do: fold grep mc mv nl. Of -the second list: diff expr paste printf split test tr unexpand who.</p> - <hr /> <a name=s6 /> <h2>s6</h2> @@ -666,18 +681,18 @@ mount_ffs mv pfctl ping poweroff ps reboot rm route sed sh stty sysctl tar test traceroute umount vi wiconfig </p></blockquote> -<p>Apparently lv is the missing link ed and vi, copyright 1982-1997 (do not -want), ex is another obsolete vi mode, lesskey is "used to +<p>Apparently lv is the missing link between ed and vi, copyright 1982-1997 (do +not want), ex is another obsolete vi mode, lesskey is "used to specify a set of key bindings to be used with less", and csh is a shell they -sucked in, [ is an alias for test. Several more bsd-isms that don't have Linux +sucked in (even though they have mksh?), [ is an alias for test. Several more bsd-isms that don't have Linux equivalents (even in the ubuntu "install this package" search) are -disklabel, fsck_ffs, mount_ffs, and pfctl. And wiconfig is a wavelan interface -network card driver utility. Subtracting all that and the commands toybox -already implements at triage time, we get:</p> +disklabel, fsck_ffs, mount_ffs, and pfctl. And wiconfig is a +wavelan interface network card driver utility. Subtracting all that and the +commands toybox already implements at triage time, we get:</p> <blockquote><p> <span id=beastiebox_cmd> -fdisk fsck getty halt ifconfig init kill less mksh more mount mv ping poweroff +fdisk fsck getty halt ifconfig init kill less more mount mv ping poweroff ps reboot route sed sh stty sysctl tar test traceroute umount vi </span> </p></blockquote> |