mirror of
https://github.com/Fakerr/git-recall.git
synced 2026-09-10 07:26:42 -04:00
278 lines
6.5 KiB
Bash
278 lines
6.5 KiB
Bash
#!/usr/bin/env bash
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# usage info
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usage() {
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cat <<EOF
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Usage: git recall [options]
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Options:
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-d, --date Show logs for last n days.
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-a, --author Author name.
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-f, --fetch fetch commits.
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-h, --help This message.
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-- End of options.
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EOF
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}
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# Global variables
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SINCE="1 days ago" # show logs for last day by default
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AUTHOR=""
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FETCH=false
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GIT_FORMAT=""
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GIT_LOG=""
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COMMITS=""
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VERSION="1.1.1"
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# Are we in a git repo?
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if [[ ! -d ".git" ]]; then
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echo "abort: not a git repository." 1>&2
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exit 1
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fi
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# Parse options
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while [[ "$1" =~ ^- && ! "$1" == "--" ]]; do
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case $1 in
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-v | --version )
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echo $version
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exit
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;;
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-d | --date )
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SINCE="$2 days ago"
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shift;
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;;
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-a | --author )
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AUTHOR="$2"
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shift
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;;
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-f | --fetch )
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FETCH=true
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;;
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-h | --help )
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usage
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exit
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;;
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* )
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echo "abort: unknown argument" 1>&2
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exit 1
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esac
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shift
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done
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if [[ "$1" == "--" ]]; then shift; fi
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# Colored output.
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function colored() {
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GREEN=$(tput setaf 4)
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YELLOW=$(tput setaf 3)
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NORMAL=$(tput sgr0)
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REVERSE=$(tput rev)
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}
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# Uncolored output.
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function uncolored() {
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GREEN=""
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YELLOW=""
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NORMAL=""
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REVERSE=""
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}
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# Enable colors if supported by terminal.
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if [[ -t 1 ]] && [[ -n "$TERM" ]] && which tput &>/dev/null && tput colors &>/dev/null; then
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ncolors=$(tput colors)
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if [[ -n "$ncolors" ]] && [[ "$ncolors" -ge 8 ]] ; then
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colored
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else
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uncolored
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fi
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else
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uncolored
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fi
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# Check if lesskey is correctly installed.
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if ! which lesskey &>/dev/null; then
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echo "abort: the program lesskey is not installed. Make sure to install it before running git-recall" 1>&2
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exit 1
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fi
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# Set AUTHOR to current user if no param passed or display for all users if param equal to "all".
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if [[ ! -n $AUTHOR ]]; then
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AUTHOR=$(git config user.name 2>/dev/null)
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elif [[ $AUTHOR = "all" ]]; then
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AUTHOR=".*"
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fi
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# Fetch changes before.
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if [[ $FETCH == true ]]; then
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echo "${GREEN}Fetching changes...${NORMAL}"
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git fetch --all &> /dev/null
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tput cuu1
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tput ed # clear screen
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fi
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# Log template.
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GIT_FORMAT="%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset"
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# Log command.
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GIT_LOG="git log --pretty=format:'${GIT_FORMAT}'
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--author \"$AUTHOR\"
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--since \"$SINCE\" --abbrev-commit"
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# Change temporary the IFS to store GIT_LOG's output into an array.
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IFS=$'\n'
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COMMITS=($(eval ${GIT_LOG} 2>/dev/null))
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unset IFS
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NI=${#COMMITS[@]} # Total number of items.
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SN=$(( `tput lines` - 1 )) # Screen's number of lines.
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CN=$(tput cols) # Screen's number of columns.
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TN=$(( $NI < $((SN -1)) ? $NI : $((SN -1)))) # Number of lines that we will display.
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OFFSET=0
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# Add +1 to OFFSET if a commit's length is bigger than the current terminal session's width. (This is to fix a redraw issue)
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for C in "${COMMITS[@]}"
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do
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ELT="$(echo "$C" | sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g")" # remove colors escape codes
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if [[ ${#ELT} -gt $CN ]]; then
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OFFSET=$(( OFFSET + 1 ))
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fi
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done
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# If there is no items, exit.
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if [[ $NI = 0 ]]; then
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if [[ $AUTHOR = ".*" ]]; then
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echo "${YELLOW}All contributors did nothing during this period.${NORMAL}" && exit 0
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else
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echo "${YELLOW}The contributor \"${AUTHOR}\" did nothing during this period.${NORMAL}" && exit 0
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fi
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fi
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# Set keys.
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au="`echo -e '\e[A'`" # arrow up
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au_1="k" # arrow up
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ad="`echo -e '\e[B'`" # arrow down
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ad_1="j" # arrow down
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ec="`echo -e '\e'`" # escape
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nl="`echo -e '\n'`" # newline
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# Create a temporary lesskey file to change the keybindings so the user can use the TAB key to quit less. (more convenient)
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echo "\t quit" | lesskey -o $HOME/.lsh_less_keys_tmp -- - &> /dev/null
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## Get commit's diff.
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function get_diff() {
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ELT="$(echo "${COMMITS[$CP-1]}" | sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g")" # remove colors escape codes
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DIFF_TIP=${ELT:0:7}
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DIFF_CMD="git show $DIFF_TIP --color=always"
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DIFF=$(eval ${DIFF_CMD} 2>/dev/null)
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DIFF_LINES_NUMBER="$(echo "$DIFF" | wc -l)"
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}
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## This function will print the diff according the commit's tip. If the diff is too long, the result will be displayed using 'less'.
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function print_diff() {
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get_diff
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if [[ $(( TN + DIFF_LINES_NUMBER )) -ge $(( `tput lines` - 1 )) ]]; then
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echo -e "$REVERSE ${COMMITS[$CP - 1]}\n\n $DIFF" | less -r -k $HOME/.lsh_less_keys_tmp
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else
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stop=false
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tput ed
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for i in `seq 1 $TN`
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do
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echo -n "$NORMAL"
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[[ $CP == $i ]] && echo -n "$REVERSE"
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echo "${COMMITS[$i - 1]}"
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if [[ $CP == $i ]]; then
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echo "$DIFF"
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fi
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done
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while ! $stop
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do
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read -sn 1 key
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case "$key" in
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"$nl")
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stop=true
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;;
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"q")
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stop=true
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END=true
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;;
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esac
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done
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[[ $END = false ]] && tput cuu $(( TN + DIFF_LINES_NUMBER + OFFSET )) && tput ed
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[[ $END = true ]] && tput cuu 1
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fi
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}
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{ # capture stdout to stderr
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tput civis # hide cursor.
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CP=1 # current position
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SI=1 # index
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END=false # end while loop
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## Loops, reads inputs and prints commits until user presses 'q' to exit or TAB to show the diff.
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while ! $END
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do
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for i in `seq $SI $(( $TN + $SI -1 ))`
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do
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echo -n "$NORMAL"
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[[ $CP == $i ]] && echo -n "$REVERSE"
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echo "${COMMITS[$i - 1]}"
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done
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read -sn 1 key
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[[ "$key" == "$ec" ]] &&
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{
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read -sn 2 k2
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key="$key$k2"
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}
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case "$key" in
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"$au" | "$au_1")
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CP=$(( CP - 1 ))
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[[ $CP == 0 ]] && [[ $SI=1 ]] && [[ $TN == $(( SN - 1 )) ]] && CP=$NI && SI=$(( NI - SN + 2 ))
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[[ $CP == 0 ]] && [[ $SI=1 ]] && [[ $TN == $NI ]] && CP=$TN
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[[ $CP == $(( SI - 1 )) ]] && [[ $SI != 1 ]] && SI=$(( SI - 1 ))
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tput cuu $(( TN + OFFSET ))
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[[ $SI != 1 ]] && tput ed # clear screen
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;;
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"$ad" | "$ad_1")
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CP=$(( CP + 1 ))
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[[ $CP == $(( NI + 1 )) ]] && CP=1 && SI=1
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[[ $CP == $(( SN + SI - 1)) ]] && [[ $TN == $(( SN - 1 )) ]] && SI=$(( SI + 1 ))
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tput cuu $(( TN + OFFSET ))
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[[ $SI != 1 ]] && tput ed # clear screen
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[[ $SI = 1 ]] && [[ $CP = 1 ]] && tput ed # clear screen
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;;
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"$nl")
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tput cuu $(( TN + OFFSET ))
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print_diff
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;;
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"q")
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si=false
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END=true
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tput cuu 1 #move cursor up one line. (remove extra line)
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;;
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* )
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tput cuu $(( TN + OFFSET ))
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esac
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done
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rm $HOME/.lsh_less_keys_tmp # remove temporary less keybindings
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tput cnorm # unhide cursor
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echo "$NORMAL" # normal colors
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} >&2 # END capture
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