82 lines
2.4 KiB
Bash
82 lines
2.4 KiB
Bash
#!/bin/bash
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# shellcheck disable=SC1091,SC2155
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#
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# ~/.bashrc
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# sourced upon launch of an interactive shell, which isn't a login shell has been executed
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#
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case $- in
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*i*) ;;
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*) return ;;
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esac
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[ -z "${PS1-}" ] && return
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# lazy loading of ssh agents
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__lazy_ssh_agent() {
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if [ -z "$SSH_AUTH_SOCK" ]; then
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eval "$(ssh-agent -s)" >/dev/null
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ssh-add "$HOME/.ssh/github" >/dev/null 2>&1
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ssh-add "$HOME/.ssh/gitea" >/dev/null 2>&1
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ssh-add "$HOME/.ssh/admin@homeserver" >/dev/null 2>&1
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fi
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}
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# aliases so the function is called beforehand
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alias ssh='__lazy_ssh_agent; ssh'
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alias sudo='__lazy_ssh_agent; sudo'
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# colourises make output, so when it prints via
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# $(warning) or $(error), it is formatted properly
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__colour_make() {
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make "$@" 2> >(sed -E \
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-e "s/^([Mm]akefile:[0-9]+:.*)/\x1b[33m\1\x1b[0m/" \
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-e "s/^.*error.*$/\x1b[31m&\x1b[0m/I" >&2)
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}
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alias make='__colour_make'
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# lazily loads the git utilities, to prevent slowdowns
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__lazy_git_ps1() {
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if [ -z "$__GIT_PROMPT_SOURCED__" ]; then
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if [ -d .git ] || git worktree list &>/dev/null; then
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. /usr/share/bash-completion/completions/git &>/dev/null
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. /usr/share/git/completion/git-prompt.sh &>/dev/null
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export __GIT_PROMPT_SOURCED__=1
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__git_ps1
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fi
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else __git_ps1; fi
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return 0
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}
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# regenerates the PS1 prompt
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__regenprompt() {
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local err=$? # acquire the error code of the last executed command
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local git=$(__lazy_git_ps1)
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# Format the error code to be in the last column of the terminal
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# this shall be printed as non-printable characters, so won't effect text wrapping.
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if [ $err -ne 0 ]; then
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err="\033[$((COLUMNS - 4))G\033[01;31m${err}\033[0G"
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else unset err; fi
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PS1="\[$err\]" # error code
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PS1="$PS1\[\033[?25h\]" # show cursor
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PS1="$PS1\[\033[01;35m\]\u@\h" # user@host
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PS1="$PS1\[\033[00m\]:" # separator
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PS1="$PS1\[\033[01;34m\]\w" # working directory
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PS1="$PS1\[\033[01;93m\]${git}" # git branch
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PS1="$PS1\[\033[00m\]\$ " # shell sign
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}
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PROMPT_COMMAND=__regenprompt
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# history settings
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HISTSIZE=2048
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HISTCONTROL=erasedups:ignoredups:ignorespace
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HISTIGNORE='exit*:clear*:\:*:echo*'
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shopt -s checkwinsize # check the window size after each command (and if necessary, the values of LINES and COLUMNS)
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shopt -s globstar # enable globstar (**/*)
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[ -f "$HOME/.bash_aliases" ] && . "$HOME/.bash_aliases"
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# cute lil hyfetch :3
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[ "$TERM" == "xterm-kitty" ] && fastfetch
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