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51 lines
1.1 KiB
Bash
51 lines
1.1 KiB
Bash
__truncate_left() {
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local str="$1"
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local maxlen="$2"
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local trunc_symbol="$3"
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local sep_symbol="$4"
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# get minimum length to not truncate a long name
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if [ -n "$sep_symbol" ]
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then
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local component=${1##*$sep_symbol}
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maxlen=$(( ( maxlen < ${#component} ) ? ${#component} : maxlen ))
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fi
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# truncation point
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local offset=$(( ${#str} - maxlen ))
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if [ ${offset} -gt "0" ]
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then
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#truncation is needed
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str=${str:$offset:$maxlen} #truncate
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str=${trunc_symbol}/${str#*/} #add symbol
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fi
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echo "$str"
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}
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__truncate_dir() {
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#gain some place with '~'
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dir=${1/#$HOME/\~}
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__truncate_left "$dir" 25 '…' '/'
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}
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__tpwd() {
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__truncate_dir "$PWD"
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}
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__set_bash_ps1() {
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# load color vars
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source "$DOTFILES_BASH_DIR/ansi_colors"
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# colorized:
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PS1=" ${B}[${UC}\u@\h ${G}\$(__tpwd)${B}]${UC}\\$ ${NONE}"
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# without colors:
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#PS1="${TITLEBAR}[\u@\h \${NEW_PWD}]\\$ "
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# extra backslash in front of \$ to make bash colorize the prompt
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}
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__set_bash_ps1
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unset __set_bash_ps1
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# vim: ft=sh
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