103 lines
3.4 KiB
Text
103 lines
3.4 KiB
Text
#!/bin/relish
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;; relish: versatile lisp shell
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;; Copyright (C) 2021 Aidan Hahn
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;;
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;; This program is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;;
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;; AVA'S LAPTOP PROMPT
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;; This file contains a shell prompt configuration that outputs current dir
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;; username, and percentages for all batteries on the system.
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;; -> requires CFG_RELISH_POSIX=true and userlib.
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(def _batteries 'paths to batteries powering system'
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(lambda ()
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(let ((power-srcs-dir '/sys/class/power_supply')
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(power-srcs
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(split (load-to-string find /sys/class/power_supply -printf "%p ")
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" "))
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(pwr-list ())
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(pwr-iter (pop power-srcs)))
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(while (gt? (len pwr-iter) 1)
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(let ((src (car pwr-iter))
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(rem (cdr pwr-iter))
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(match (substr? src "BAT")))
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(if match
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(set (q pwr-list) (cons pwr-list src))
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())
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(set (q pwr-iter) (pop rem))))
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pwr-list)))
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(def display-batteries 'display battery capacity'
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(lambda ()
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(let ((bat-iter (pop (_batteries)))
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(display ""))
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(while (gt? (len bat-iter) 1)
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(let ((bat (car bat-iter))
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(rem (cdr bat-iter))
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(b-perc (load-to-string head -c -1 (concat bat "/capacity")))
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(b-cap-raw (load-to-string head -c -1 (concat bat "/energy_full")))
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(b-cap (div (int b-cap-raw) 1000000)))
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(set (q display) (concat display "[" b-cap "Wh: " b-perc "%" "]"))
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(set (q bat-iter) (pop rem))))
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display)))
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(def CFG_RELISH_R_PROMPT 'display battery info'
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()
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(display-batteries))
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(def _fancy-cwd 'prints (up to) last three segments of current path'
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()
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(let ((cdir (load-to-string pwd))
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(dir-segs (split cdir '/'))
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(dir-iter (dq dir-segs))
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(i 0))
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(if (lte? (len dir-segs) 4)
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cdir
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(let ((final ""))
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(while (lt? i 3)
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(set (q final) (concat "/" (car dir-iter) final))
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(set (q dir-iter) (dq (cdr dir-iter)))
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(inc i))
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(concat "..." final)))))
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(def in-a-git-repo?
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'returns true or false depending on if currently in a git repo'
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() (eq? (load-to-string git rev-parse --is-inside-work-tree) "true"))
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(def git-repo-is-dirty?
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'returns true or false depending on if current dir is a dirty git repo'
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() (not (eq? (load-to-string git diff '--stat') "")))
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(def git-status 'returns "(git:<branch>(!))" if dir is in a git repository'
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()
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(if (in-a-git-repo?)
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(concat
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"(git:"
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(load-to-string git rev-parse --abbrev-ref HEAD)
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(if (git-repo-is-dirty?)
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"!"
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"")
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")")
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''))
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(def CFG_RELISH_L_PROMPT 'display user and dir (git info in future)'
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()
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(concat
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"[" USER "]" "\t"
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(_fancy-cwd) "\t"
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(git-status) "\t"
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"(" (load-to-string date "+%H:%M") ")"
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"\n" ;; newline before delimiter
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))
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