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45 Commits

Author SHA1 Message Date
Bananymous 07f8c972b3 Shell: Set get old termios earlier 
I sourced the config file before getting old termios. Sourcing
updated the termios so old_termios was always in non canonical, non
echoing mode.
 2023-10-24 19:10:53 +03:00
Bananymous 8c792f9c6d Shell: Fix parsing $ with unknown character 2023-10-12 22:24:27 +03:00
Bananymous 1cd99631e1 Shell: source $HOME/.shellrc if found on Shell startup 2023-10-03 10:39:27 +03:00
Bananymous f67ed9a66e Shell: Implement sourcing scripts 2023-10-03 10:24:10 +03:00
Bananymous 6304388100 Shell: Quick fix to not freeze for multiple seconds 
When sync is writing to disk, it reserves whole disk to itself.
This commit makes Shell to read username only once from getpwuid().
We used to get username every time prompt was printed.
 2023-09-29 19:20:48 +03:00
Bananymous 399d5338c6 Shell: String leading and trailing whitespace from commands 
This fixes a bug of inserting empty argument if command had trailing
whitespace
 2023-09-28 10:28:49 +03:00
Bananymous 3ba15b41a3 Kernel/LibC: remove PATH resoltion from kernel 
I have no idea why I had made PATH environment variable parsing
to be part of the kernel. Now the shell does the parsing and
environment syscall is no longer needed.
 2023-09-23 03:08:14 +03:00
Bananymous 41757b5f6c Shell: Clean exit on ^D and use getchar() 
Use getchar() instead of fread(&ch, 1, sizeof(char), stdin). This
is much cleaner.
 2023-09-07 15:51:05 +03:00
Bananymous 80e7a89f67 BuildSystem: Base sysroot is now distributed as a tar ball 
This allows file and directory permissions work as intended.

cmake is now filled with 'sudo' but with sudo timeout this should be
fine.
 2023-08-23 10:38:21 +03:00
Bananymous b780df8be0 Shell: hostname is not parsed from /etc/hostname 2023-08-23 10:38:21 +03:00
Bananymous c4210b5810 Shell: use process groups more properly 2023-08-22 14:54:50 +03:00
Bananymous 2dcd4ed131 Shell/init: We now use pgrp instead of pid and init open terminal 2023-08-22 11:37:04 +03:00
Bananymous 089da2608c Shell: command execution and parsing support piped commands 
There is still problems with "blocking" builtin commands (time),
return value, ...
 2023-08-17 12:05:38 +03:00
Bananymous ed5f4d64a8 Shell: add basic printf test 2023-08-16 10:49:34 +03:00
Bananymous 5a94818210 Shell: $? returns last return value 2023-08-15 09:17:46 +03:00
Bananymous db2eca697e Shell: '\u' in PS1 is replaced with username corresponding to euid 2023-08-14 14:55:23 +03:00
Bananymous 81d79cca61 Shell: ^A moves cursor to the beginning of line 2023-08-14 12:26:22 +03:00
Bananymous dddfa308d7 Shell: Print if the process exited because of a signal 2023-08-01 14:24:36 +03:00
Bananymous 1d7795e22c Kernel: Hardware exceptions now sends signals to userspace 2023-07-30 14:34:15 +03:00
Bananymous 925df39107 Kernel: Userspace sets the foreground process and Shell handles ^C 2023-07-28 18:10:36 +03:00
Bananymous 2dce0a0415 Kernel: Userspace signal handlers are now called one at a time 
I added a syscall for telling the kernel when signal execution has
finished. We should send a random hash or id to the signal trampoline
that we would include in the syscall, so validity of signal exit can
be confirmed.
 2023-07-23 13:34:53 +03:00
Bananymous 10169d773d Kernel/LibC: Add SYS_KILL/kill() 2023-07-21 19:27:38 +03:00
Bananymous c2cf98e32f Kernel/LibC: Add bareboness signals 
You can now call raise() to raise a signal. Signal handlers are
not yet supported, but the handling works :)
 2023-07-21 15:45:02 +03:00
Bananymous 404b3dd44c Shell: $(...) expansion works now :) 2023-07-06 23:22:57 +03:00
Bananymous d04b031e30 Shell: you can call Shell -c ... to invoke the shell as interpreter 2023-07-06 23:22:49 +03:00
Bananymous f19dc114d6 Userspace: Shell now has 'env' for printing environment 2023-07-06 10:32:43 +03:00
Bananymous d2aabb669b Userspace: Shell imporove 'time' command 2023-07-06 09:45:04 +03:00
Bananymous 9c3f4039a5 Userspace: Shell now has time builtin 2023-07-06 00:39:04 +03:00
Bananymous 84ecf861cd Userspace: Shell now processes $ arguments 2023-06-19 01:39:24 +03:00
Bananymous 46a6daccfe Userspace: Shell argument parsing now appriciates quotes 2023-06-19 01:07:00 +03:00
Bananymous 3df3c37bad Userspace: Shell argument parse now results in BAN::String 2023-06-19 00:34:44 +03:00
Bananymous 191a24110a Userspace: Shell now sets SHELL environment variable 2023-06-18 23:35:51 +03:00
Bananymous b4b892148c Userspace: Shell processes PS1 '\~' as cwd and implement cd 2023-06-12 02:03:13 +03:00
Bananymous e9cb844c28 Userspace: Shell now uses PS1 as prompt if set 2023-06-12 00:45:47 +03:00
Bananymous 47c69e9def Userspace: add exit to shell 2023-06-09 01:51:23 +03:00
Bananymous 66fe48e94b Userspace: add ^L support for shell 2023-06-09 01:24:33 +03:00
Bananymous 55ea5c5488 Kernel: add basic support for environment variables 
exec functions will search files from PATH
 2023-06-05 22:51:02 +03:00
Bananymous 357081346e Shell: load old termios for process execution 2023-06-05 21:12:08 +03:00
Bananymous 73c11c3d29 Shell: add bareboness utf8 support 
This should work as long as TTY provides only valid utf8.
If the utf is invalid, assertion fails and the shell dies.
 2023-06-05 18:55:22 +03:00
Bananymous 5af77dcfb9 Shell: we now support left/right arrows 2023-06-05 18:24:41 +03:00
Bananymous d1ad38c8d4 Kernel/LibC: add SYS_STAT and stat(), lstat() 2023-06-05 14:37:14 +03:00
Bananymous 4c40aa6b38 Userspace: Start work on proper shell 2023-06-05 01:42:57 +03:00
Bananymous a378e59432 BuildSystem: link libraries when they change 
This also fixed the need for manual linkin on firt build
 2023-05-31 23:01:40 +03:00
Bananymous a2ee543fa1 Shell: we now link BAN (we can't use it though) 2023-05-26 22:31:21 +03:00
Bananymous 27147790fd Userspace: Start work on shell 2023-05-26 22:31:21 +03:00