mirror of
https://github.com/eth-p/bat-extras.git
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96 lines
3.1 KiB
Bash
Executable File
96 lines
3.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# -----------------------------------------------------------------------------
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# bat-extras | Copyright (C) 2019 eth-p | MIT License
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#
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# Repository: https://github.com/eth-p/bat-extras
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# Issues: https://github.com/eth-p/bat-extras/issues
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# -----------------------------------------------------------------------------
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# shellcheck disable=SC1090 disable=SC2155
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SELF_NC="${BASH_SOURCE:-$0}"
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SELF="$(cd "$(dirname "${SELF_NC}")" && cd "$(dirname "$(readlink "${SELF_NC}" || echo ".")")" && pwd)/$(basename "$(readlink "${SELF_NC}" || echo "${SELF_NC}")")"
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LIB="$(cd "$(dirname "${SELF_NC}")" && cd "$(dirname "$(readlink "${SELF_NC}" || echo ".")")/../lib" && pwd)"
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if [[ -n "${MANPAGER}" ]]; then BAT_PAGER="$MANPAGER"; fi
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source "${LIB}/constants.sh"
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source "${LIB}/pager.sh"
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source "${LIB}/print.sh"
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source "${LIB}/opt.sh"
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source "${LIB}/opt_hook_color.sh"
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source "${LIB}/opt_hook_version.sh"
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# -----------------------------------------------------------------------------
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hook_color
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hook_version
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# -----------------------------------------------------------------------------
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FORWARDED_ARGS=()
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MAN_ARGS=()
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BAT_ARGS=()
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SHIFTOPT_SHORT_OPTIONS="SPLIT"
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while shiftopt; do
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case "$OPT" in
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--paging|--pager) shiftval; FORWARDED_ARGS+=("${OPT}=${OPT_VAL}");
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BAT_ARGS+=("${OPT}=${OPT_VAL}") ;;
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*) MAN_ARGS+=("$OPT") ;;
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esac
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done
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if "$OPT_COLOR"; then
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BAT_ARGS+=("--color=always" "--decorations=always")
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else
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BAT_ARGS+=("--color=never" "--decorations=never")
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fi
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if [[ -z "${BAT_STYLE+x}" ]]; then
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export BAT_STYLE="grid"
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fi
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# -----------------------------------------------------------------------------
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# When called as the manpager, do some preprocessing and feed everything to bat.
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if [[ "${BATMAN_IS_BEING_MANPAGER:-}" = "yes" ]]; then
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print_manpage() {
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col -bx | "$EXECUTABLE_BAT" --language=man "${BAT_ARGS[@]}"
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exit $?
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}
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if [[ "${#MAN_ARGS[@]}" -eq 1 ]]; then
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# The input was passed as a file.
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cat "${MAN_ARGS[0]}" | print_manpage
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else
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# The input was passed via stdin.
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cat | print_manpage
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fi
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exit
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fi
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# -----------------------------------------------------------------------------
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export MANPAGER="env BATMAN_IS_BEING_MANPAGER=yes bash $(printf "%q " "$SELF" "${FORWARDED_ARGS[@]}")"
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export MANROFFOPT='-c'
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# If no argument is provided and fzf is installed, use fzf to search for man pages.
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if [[ "${#MAN_ARGS[@]}" -eq 0 ]] && [[ -z "$BATMAN_LEVEL" ]] && command -v "$EXECUTABLE_FZF" &>/dev/null; then
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export BATMAN_LEVEL=1
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selected_page="$(man -k . | "$EXECUTABLE_FZF" --delimiter=" - " --reverse -e --preview="
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echo {1} \
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| sed 's/, /\n/g;' \
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| sed 's/\([^(]*\)(\([0-9A-Za-z ]\))/\2\t\1/g' \
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| BAT_STYLE=plain xargs -n2 batman --color=always --paging=never
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")"
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if [[ -z "$selected_page" ]]; then
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exit 0
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fi
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# Convert the page(section) format to something that can be fed to the man command.
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while read -r line; do
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if [[ "$line" =~ ^(.*)\(([0-9a-zA-Z ]+)\) ]]; then
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MAN_ARGS+=("${BASH_REMATCH[2]}" "$(echo ${BASH_REMATCH[1]} | xargs)")
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fi
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done <<< "$selected_page"
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fi
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# Run man.
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command man "${MAN_ARGS[@]}"
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exit $?
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