90 lines
2.3 KiB
Bash
90 lines
2.3 KiB
Bash
#!/bin/bash
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##################################################
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# Fancy PWD display function
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##################################################
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# The home directory (HOME) is replaced with a ~
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# The last pwdmaxlen characters of the PWD are displayed
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# Leading partial directory names are striped off
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# /home/me/stuff -> ~/stuff if username=me
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# /usr/share/big_dir_name -> ../share/big_dir_name if pwdmaxlen=20
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##################################################
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rewrite_pwd()
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{
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# how many characters of the $PWD should be kept
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local pwdmaxlen=25
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# indicate that there has been dir truncation
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local trunc_symbol=".."
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local dir=${PWD##*/}
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pwdmaxlen=$(( ( pwdmaxlen < ${#dir} ) ? ${#dir} : pwdmaxlen ))
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NEW_PWD=${PWD/$HOME/"~"}
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local pwdoffset=$(( ${#NEW_PWD} - pwdmaxlen ))
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if [ ${pwdoffset} -gt "0" ]
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then
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NEW_PWD=${NEW_PWD:$pwdoffset:$pwdmaxlen}
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NEW_PWD=${trunc_symbol}/${NEW_PWD#*/}
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fi
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}
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# rewrites the PS1 bash prompt var
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rewrite_prompt()
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{
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local NONE='\[\033[0m\]' # unsets color to term's fg color
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# regular colors
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local K='\[\033[0;30m\]' # black
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local R='\[\033[0;31m\]' # red
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local G='\[\033[0;32m\]' # green
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local Y='\[\033[0;33m\]' # yellow
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local B='\[\033[0;34m\]' # blue
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local M='\[\033[0;35m\]' # magenta
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local C='\[\033[0;36m\]' # cyan
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local W='\[\033[0;37m\]' # white
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# empahsized (bolded) colors
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local EMK='\[\033[1;30m\]'
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local EMR='\[\033[1;31m\]'
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local EMG='\[\033[1;32m\]'
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local EMY='\[\033[1;33m\]'
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local EMB='\[\033[1;34m\]'
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local EMM='\[\033[1;35m\]'
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local EMC='\[\033[1;36m\]'
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local EMW='\[\033[1;37m\]'
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# background colors
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local BGK='\[\033[40m\]'
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local BGR='\[\033[41m\]'
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local BGG='\[\033[42m\]'
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local BGY='\[\033[43m\]'
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local BGB='\[\033[44m\]'
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local BGM='\[\033[45m\]'
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local BGC='\[\033[46m\]'
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local BGW='\[\033[47m\]'
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local UC=$C # username's color
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[ $UID -eq "0" ] && UC=$R # root's color
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# rewrite prompt
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PS1="${R}\${__prompt_environment}${W}[\\t] ${G}\u@\h> \${NEW_PWD} ${C}\$(git_branch)\${NONE}${NONE}\n$ "
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}
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# adds ~/.ssh/config to the ssh autocomplete
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ssh_load_autocomplete()
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{
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complete -W "$(awk '/^\s*Host\s*/ { sub(/^\s*Host /, ""); print; }' ~/.ssh/config)" ssh
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}
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# adds Git autocompletion
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if [ -f ~/.bin/git-completion.bash ]; then
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. ~/.bin/git-completion.bash
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fi
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PROMPT_COMMAND=rewrite_pwd
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rewrite_prompt
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