105 lines
1.9 KiB
Plaintext
105 lines
1.9 KiB
Plaintext
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#!/usr/bin/env bash
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# tmux requires unrecognized OSC sequences to be wrapped with DCS tmux;
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# <sequence> ST, and for all ESCs in <sequence> to be replaced with ESC ESC. It
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# only accepts ESC backslash for ST.
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function print_osc() {
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if [[ $TERM == screen* || $TERM == tmux* ]] ; then
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printf "\033Ptmux;\033\033]"
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else
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printf "\033]"
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fi
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}
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# More of the tmux workaround described above.
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function print_st() {
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if [[ $TERM == screen* || $TERM == tmux* ]] ; then
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printf "\a\033\\"
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else
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printf "\a"
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fi
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}
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function show_help() {
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echo "Usage:" 1>& 2
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echo " $(basename $0) set 8" 1>& 2
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echo " $(basename $0) set 9" 1>& 2
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echo " $(basename $0) push [name]" 1>& 2
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echo " Saves the current version with an optional name." 1>& 2
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echo " $(basename $0) pop [name]" 1>& 2
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echo " If name is given, all versions up to and including the one with the matching name are popped." 1>& 2
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}
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function set_version() {
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print_osc
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printf "1337;UnicodeVersion=$1"
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print_st
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}
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function push_version() {
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print_osc
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printf "1337;UnicodeVersion=push $1"
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print_st
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}
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function pop_version() {
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print_osc
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printf "1337;UnicodeVersion=pop $1"
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print_st
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}
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## Main
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if [[ $# == 0 ]]
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then
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show_help
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exit 1
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fi
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if [[ $1 == set ]]
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then
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if [[ $# != 2 ]]
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then
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show_help
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exit 1
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fi
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set_version $2
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elif [[ $1 == push ]]
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then
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if [[ $# == 1 ]]
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then
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push_version ""
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elif [[ $# == 2 ]]
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then
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if [[ $2 == "" ]]
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then
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echo "Name must not be empty" 1>& 2
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exit 1
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fi
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push_version "$2"
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else
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show_help
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exit 1
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fi
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elif [[ $1 == pop ]]
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then
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if [[ $# == 1 ]]
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then
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pop_version ""
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elif [[ $# == 2 ]]
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then
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if [[ $2 == "" ]]
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then
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echo "Name must not be empty" 1>& 2
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exit 1
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fi
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pop_version "$2"
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else
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show_help
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exit 1
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fi
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else
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show_help
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exit 1
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fi
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