Darren 'Tadgy' Austin
31751d1342
Add a #! line, even though it's not required. Use $HOME instead of ~. Quote LESS prompt. Rework GPG agent handling code to be more generic. Use printf rather than echo. A couple of code cleanups. Make things shellcheck safe and passed.
97 lines
3.6 KiB
Bash
97 lines
3.6 KiB
Bash
#!/bin/bash - not strictly necessary, but helps nano with syntax highlighting.
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# Source bash specific set up,
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[[ -f "$HOME/.bashrc" ]] && . "$HOME/.bashrc"
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# Environment.
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export EDITOR="nano"
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export LANG="en_GB.UTF-8"
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export LC_COLLATE="POSIX" # 'C' causes issues with some applications
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# export LC_CTYPE="POSIX" # Not sure why I set this in the first place...
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export LESS="-RM -j.5 -i -PM'?f%F:stdin. -- Page %dt of %D -- %lt/%L (%Pt\%)$'"
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export PAGER="less"
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export PATH="/opt/sbin:/usr/local/sbin:/usr/sbin:/sbin:$PATH"
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export VISUAL="$EDITOR"
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hash lesspipe >/dev/null 2>&1 && eval "$(SHELL=/bin/sh lesspipe)"
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# Platform specific set up.
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PLATFORM="$(uname -s)"
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if [[ "$PLATFORM" = "Linux" ]]; then
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# shellcheck disable=SC2155
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export GPG_TTY="$(tty)"
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export I_WANT_A_BROKEN_PS=1
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export LYNX_CFG="$HOME/.lynx.cfg"
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export LYNX_LSS="$HOME/.lynx.lss"
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export MANPAGER="less"
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export MANPATH="$HOME/.local/share/man:$MANPATH"
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hash dircolors >/dev/null 2>&1 && eval "$(dircolors -b "$HOME/.dir_colors")"
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hash gpgconf >/dev/null 2>&1 && {
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GPG_SOCK_DIR="$(gpgconf --list-dirs | awk -F : '/socketdir:/ { print $2 }')"
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# shellcheck disable=SC2174
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[[ ! -e "$GPG_SOCK_DIR" ]] && mkdir -m 700 -p "$GPG_SOCK_DIR"
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[[ ! -e "$GPG_SOCK_DIR/S.gpg-agent" ]] && [[ -e "$HOME/.gnupg/S.gpg-agent" ]] && ln -sf "$HOME/.gnupg/S.gpg-agent" "$GPG_SOCK_DIR"/
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unset GPG_SOCK_DIR
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}
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hash gpg-connect-agent >/dev/null 2>&1 && gpg-connect-agent updatestartuptty /bye >/dev/null 2>&1
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elif [[ "$PLATFORM" = "Darwin" ]]; then
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export LSCOLORS="ExGxdxdxCxDxDxbcacbeae"
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export MANPAGER="less -Mis -PM'Page %dt$'"
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export MANPATH="/opt/local/share/man:$MANPATH"
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export PATH="/opt/local/sbin:/opt/local/bin:$PATH"
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else
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printf "%s: %s\\n" "${BASH_SOURCE##*/}" "unsupported platform: $PLATFORM" >&2
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fi
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unset PLATFORM
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# Add bin directories to PATH.
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[[ -d "$HOME/.local/bin" ]] && export PATH="$HOME/.local/bin:$PATH"
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[[ -d "$HOME/bin" ]] && export PATH="$HOME/bin:$PATH"
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[[ -d "$HOME/files/bin" ]] && export PATH="$HOME/files/bin:$PATH"
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# Screen.
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hash screen >/dev/null 2>&1 && {
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[[ -e "$HOME/.screenrc-${HOSTNAME%%.*}" ]] && export SCREENRC="$HOME/.screenrc-${HOSTNAME%%.*}"
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export SCREENDIR="$HOME/.screen-${HOSTNAME%%.*}"
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if [[ -n "$SSH_TTY" ]]; then
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if [[ -n "$STY" ]]; then
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# shellcheck disable=SC2154
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printf "%s\\n\\n" "Screen $STY, window $WINDOW."
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else
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SCREENS="$(screen -ls | grep '[[:alpha:]]' | grep -E -v '^([[:digit:]]+|No) Socket(s)?')"
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if [[ -n "$SCREENS" ]]; then
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printf "%s\\n\\n" "$SCREENS"
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else
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printf "%s\\n\\n" "No screens."
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fi
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unset SCREENS
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fi
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elif [[ -n "$STY" ]]; then
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# shellcheck disable=SC2154
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printf "%s\\n\\n" "Screen $STY, window $WINDOW."
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else
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TTY="$(tty | cut -d/ -f3-)"
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SCREENS="$(screen -ls | grep -F "${HOSTNAME%%.*}" | grep -F "${TTY//\//-}")"
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# This has to be an echo, not printf.
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case "$(echo "${SCREENS:--n}" | wc -l)" in
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0)
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# No screens found - start a new instance if on a tty.
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[[ "$TTY" == tty* ]] && screen
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;;
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1)
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# Just one screen - reconnect if it's not dead.
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if (( $(printf "%s" "$SCREENS" | grep -c -F 'Dead') == 1 )); then
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printf "%s:\\n" "Found dead screen for $TTY"
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printf "%s\\n" "$SCREENS" | sed -e 's/^/ /g'
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else
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screen -dr "${TTY//\//-}.${HOSTNAME%%.*}"
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fi
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;;
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*)
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# Multiple screens - output a list
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printf "%s:\\n" "Multiple screens found for $TTY"
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printf "%s\\n" "$SCREENS" | sed -e 's/^/ /g'
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;;
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esac
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fi
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unset SCREENS TTY
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}
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