From 1f8ef7803e0df423532cf8fbdd6d83250ab52bd6 Mon Sep 17 00:00:00 2001 From: tv Date: Sun, 4 Jun 2017 15:06:22 +0200 Subject: tv: move bash config to dedicated directory --- tv/2configs/bash.nix | 37 -- tv/2configs/bash/completion.sh | 779 +++++++++++++++++++++++++++++++++++++++++ tv/2configs/bash/default.nix | 37 ++ tv/2configs/bash_completion.sh | 779 ----------------------------------------- tv/2configs/default.nix | 2 +- 5 files changed, 817 insertions(+), 817 deletions(-) delete mode 100644 tv/2configs/bash.nix create mode 100644 tv/2configs/bash/completion.sh create mode 100644 tv/2configs/bash/default.nix delete mode 100644 tv/2configs/bash_completion.sh (limited to 'tv') diff --git a/tv/2configs/bash.nix b/tv/2configs/bash.nix deleted file mode 100644 index 40c0725ed..000000000 --- a/tv/2configs/bash.nix +++ /dev/null @@ -1,37 +0,0 @@ -{ config, lib, pkgs, ... }: - -with import ; - -{ - programs.bash = { - interactiveShellInit = '' - HISTCONTROL='erasedups:ignorespace' - HISTSIZE=65536 - HISTFILESIZE=$HISTSIZE - - shopt -s checkhash - shopt -s histappend histreedit histverify - shopt -s no_empty_cmd_completion - complete -d cd - ''; - promptInit = '' - case $UID in - 0) - PS1='\[\e[1;31m\]\w\[\e[0m\] ' - ;; - ${toString config.krebs.build.user.uid}) - PS1='\[\e[1;32m\]\w\[\e[0m\] ' - ;; - *) - PS1='\[\e[1;35m\]\u \[\e[1;32m\]\w\[\e[0m\] ' - ;; - esac - if test -n "$SSH_CLIENT"; then - PS1='\[\e[35m\]\h'" $PS1" - fi - if test -n "$SSH_AGENT_PID"; then - PS1="ssh-agent[$SSH_AGENT_PID] $PS1" - fi - ''; - }; -} diff --git a/tv/2configs/bash/completion.sh b/tv/2configs/bash/completion.sh new file mode 100644 index 000000000..537484fb9 --- /dev/null +++ b/tv/2configs/bash/completion.sh @@ -0,0 +1,779 @@ + +# Expand variable starting with tilde (~) +# We want to expand ~foo/... to /home/foo/... to avoid problems when +# word-to-complete starting with a tilde is fed to commands and ending up +# quoted instead of expanded. +# Only the first portion of the variable from the tilde up to the first slash +# (~../) is expanded. The remainder of the variable, containing for example +# a dollar sign variable ($) or asterisk (*) is not expanded. +# Example usage: +# +# $ v="~"; __expand_tilde_by_ref v; echo "$v" +# +# Example output: +# +# v output +# -------- ---------------- +# ~ /home/user +# ~foo/bar /home/foo/bar +# ~foo/$HOME /home/foo/$HOME +# ~foo/a b /home/foo/a b +# ~foo/* /home/foo/* +# +# @param $1 Name of variable (not the value of the variable) to expand +__expand_tilde_by_ref() +{ + # Does $1 start with tilde (~)? + if [[ ${!1} == \~* ]]; then + # Does $1 contain slash (/)? + if [[ ${!1} == */* ]]; then + # Yes, $1 contains slash; + # 1: Remove * including and after first slash (/), i.e. "~a/b" + # becomes "~a". Double quotes allow eval. + # 2: Remove * before the first slash (/), i.e. "~a/b" + # becomes "b". Single quotes prevent eval. + # +-----1----+ +---2----+ + eval $1="${!1/%\/*}"/'${!1#*/}' + else + # No, $1 doesn't contain slash + eval $1="${!1}" + fi + fi +} # __expand_tilde_by_ref() + + +# Get the word to complete. +# This is nicer than ${COMP_WORDS[$COMP_CWORD]}, since it handles cases +# where the user is completing in the middle of a word. +# (For example, if the line is "ls foobar", +# and the cursor is here --------> ^ +# @param $1 string Characters out of $COMP_WORDBREAKS which should NOT be +# considered word breaks. This is useful for things like scp where +# we want to return host:path and not only path, so we would pass the +# colon (:) as $1 in this case. +# @param $2 integer Index number of word to return, negatively offset to the +# current word (default is 0, previous is 1), respecting the exclusions +# given at $1. For example, `_get_cword "=:" 1' returns the word left of +# the current word, respecting the exclusions "=:". +# @deprecated Use `_get_comp_words_by_ref cur' instead +# @see _get_comp_words_by_ref() +_get_cword() +{ + local LC_CTYPE=C + local cword words + __reassemble_comp_words_by_ref "$1" words cword + + # return previous word offset by $2 + if [[ ${2//[^0-9]/} ]]; then + printf "%s" "${words[cword-$2]}" + elif [[ "${#words[cword]}" -eq 0 || "$COMP_POINT" == "${#COMP_LINE}" ]]; then + printf "%s" "${words[cword]}" + else + local i + local cur="$COMP_LINE" + local index="$COMP_POINT" + for (( i = 0; i <= cword; ++i )); do + while [[ + # Current word fits in $cur? + "${#cur}" -ge ${#words[i]} && + # $cur doesn't match cword? + "${cur:0:${#words[i]}}" != "${words[i]}" + ]]; do + # Strip first character + cur="${cur:1}" + # Decrease cursor position + ((index--)) + done + + # Does found word matches cword? + if [[ "$i" -lt "$cword" ]]; then + # No, cword lies further; + local old_size="${#cur}" + cur="${cur#${words[i]}}" + local new_size="${#cur}" + index=$(( index - old_size + new_size )) + fi + done + + if [[ "${words[cword]:0:${#cur}}" != "$cur" ]]; then + # We messed up! At least return the whole word so things + # keep working + printf "%s" "${words[cword]}" + else + printf "%s" "${cur:0:$index}" + fi + fi +} # _get_cword() + + +# Get word previous to the current word. +# This is a good alternative to `prev=${COMP_WORDS[COMP_CWORD-1]}' because bash4 +# will properly return the previous word with respect to any given exclusions to +# COMP_WORDBREAKS. +# @deprecated Use `_get_comp_words_by_ref cur prev' instead +# @see _get_comp_words_by_ref() +# +_get_pword() +{ + if [[ $COMP_CWORD -ge 1 ]]; then + _get_cword "${@:-}" 1 + fi +} + + + +# Complete variables. +# @return True (0) if variables were completed, +# False (> 0) if not. +_variables() +{ + if [[ $cur =~ ^(\$\{?)([A-Za-z0-9_]*)$ ]]; then + [[ $cur == *{* ]] && local suffix=} || local suffix= + COMPREPLY+=( $( compgen -P ${BASH_REMATCH[1]} -S "$suffix" -v -- \ + "${BASH_REMATCH[2]}" ) ) + return 0 + fi + return 1 +} + +# Assign variable one scope above the caller +# Usage: local "$1" && _upvar $1 "value(s)" +# Param: $1 Variable name to assign value to +# Param: $* Value(s) to assign. If multiple values, an array is +# assigned, otherwise a single value is assigned. +# NOTE: For assigning multiple variables, use '_upvars'. Do NOT +# use multiple '_upvar' calls, since one '_upvar' call might +# reassign a variable to be used by another '_upvar' call. +# See: http://fvue.nl/wiki/Bash:_Passing_variables_by_reference +_upvar() +{ + if unset -v "$1"; then # Unset & validate varname + if (( $# == 2 )); then + eval $1=\"\$2\" # Return single value + else + eval $1=\(\"\${@:2}\"\) # Return array + fi + fi +} + +# Assign variables one scope above the caller +# Usage: local varname [varname ...] && +# _upvars [-v varname value] | [-aN varname [value ...]] ... +# Available OPTIONS: +# -aN Assign next N values to varname as array +# -v Assign single value to varname +# Return: 1 if error occurs +# See: http://fvue.nl/wiki/Bash:_Passing_variables_by_reference +_upvars() +{ + if ! (( $# )); then + echo "${FUNCNAME[0]}: usage: ${FUNCNAME[0]} [-v varname"\ + "value] | [-aN varname [value ...]] ..." 1>&2 + return 2 + fi + while (( $# )); do + case $1 in + -a*) + # Error checking + [[ ${1#-a} ]] || { echo "bash: ${FUNCNAME[0]}: \`$1': missing"\ + "number specifier" 1>&2; return 1; } + printf %d "${1#-a}" &> /dev/null || { echo "bash:"\ + "${FUNCNAME[0]}: \`$1': invalid number specifier" 1>&2 + return 1; } + # Assign array of -aN elements + [[ "$2" ]] && unset -v "$2" && eval $2=\(\"\${@:3:${1#-a}}\"\) && + shift $((${1#-a} + 2)) || { echo "bash: ${FUNCNAME[0]}:"\ + "\`$1${2+ }$2': missing argument(s)" 1>&2; return 1; } + ;; + -v) + # Assign single value + [[ "$2" ]] && unset -v "$2" && eval $2=\"\$3\" && + shift 3 || { echo "bash: ${FUNCNAME[0]}: $1: missing"\ + "argument(s)" 1>&2; return 1; } + ;; + *) + echo "bash: ${FUNCNAME[0]}: $1: invalid option" 1>&2 + return 1 ;; + esac + done +} + +# @param $1 exclude Characters out of $COMP_WORDBREAKS which should NOT be +# considered word breaks. This is useful for things like scp where +# we want to return host:path and not only path, so we would pass the +# colon (:) as $1 in this case. +# @param $2 words Name of variable to return words to +# @param $3 cword Name of variable to return cword to +# @param $4 cur Name of variable to return current word to complete to +# @see __reassemble_comp_words_by_ref() +__get_cword_at_cursor_by_ref() +{ + local cword words=() + __reassemble_comp_words_by_ref "$1" words cword + + local i cur index=$COMP_POINT lead=${COMP_LINE:0:$COMP_POINT} + # Cursor not at position 0 and not leaded by just space(s)? + if [[ $index -gt 0 && ( $lead && ${lead//[[:space:]]} ) ]]; then + cur=$COMP_LINE + for (( i = 0; i <= cword; ++i )); do + while [[ + # Current word fits in $cur? + ${#cur} -ge ${#words[i]} && + # $cur doesn't match cword? + "${cur:0:${#words[i]}}" != "${words[i]}" + ]]; do + # Strip first character + cur="${cur:1}" + # Decrease cursor position + ((index--)) + done + + # Does found word match cword? + if [[ $i -lt $cword ]]; then + # No, cword lies further; + local old_size=${#cur} + cur="${cur#"${words[i]}"}" + local new_size=${#cur} + index=$(( index - old_size + new_size )) + fi + done + # Clear $cur if just space(s) + [[ $cur && ! ${cur//[[:space:]]} ]] && cur= + # Zero $index if negative + [[ $index -lt 0 ]] && index=0 + fi + + local "$2" "$3" "$4" && _upvars -a${#words[@]} $2 "${words[@]}" \ + -v $3 "$cword" -v $4 "${cur:0:$index}" +} + +# Reassemble command line words, excluding specified characters from the +# list of word completion separators (COMP_WORDBREAKS). +# @param $1 chars Characters out of $COMP_WORDBREAKS which should +# NOT be considered word breaks. This is useful for things like scp where +# we want to return host:path and not only path, so we would pass the +# colon (:) as $1 here. +# @param $2 words Name of variable to return words to +# @param $3 cword Name of variable to return cword to +# +__reassemble_comp_words_by_ref() +{ + local exclude i j line ref + # Exclude word separator characters? + if [[ $1 ]]; then + # Yes, exclude word separator characters; + # Exclude only those characters, which were really included + exclude="${1//[^$COMP_WORDBREAKS]}" + fi + + # Default to cword unchanged + eval $3=$COMP_CWORD + # Are characters excluded which were former included? + if [[ $exclude ]]; then + # Yes, list of word completion separators has shrunk; + line=$COMP_LINE + # Re-assemble words to complete + for (( i=0, j=0; i < ${#COMP_WORDS[@]}; i++, j++)); do + # Is current word not word 0 (the command itself) and is word not + # empty and is word made up of just word separator characters to + # be excluded and is current word not preceded by whitespace in + # original line? + while [[ $i -gt 0 && ${COMP_WORDS[$i]} == +([$exclude]) ]]; do + # Is word separator not preceded by whitespace in original line + # and are we not going to append to word 0 (the command + # itself), then append to current word. + [[ $line != [$' \t']* ]] && (( j >= 2 )) && ((j--)) + # Append word separator to current or new word + ref="$2[$j]" + eval $2[$j]=\${!ref}\${COMP_WORDS[i]} + # Indicate new cword + [[ $i == $COMP_CWORD ]] && eval $3=$j + # Remove optional whitespace + word separator from line copy + line=${line#*"${COMP_WORDS[$i]}"} + # Start new word if word separator in original line is + # followed by whitespace. + [[ $line == [$' \t']* ]] && ((j++)) + # Indicate next word if available, else end *both* while and + # for loop + (( $i < ${#COMP_WORDS[@]} - 1)) && ((i++)) || break 2 + done + # Append word to current word + ref="$2[$j]" + eval $2[$j]=\${!ref}\${COMP_WORDS[i]} + # Remove optional whitespace + word from line copy + line=${line#*"${COMP_WORDS[i]}"} + # Indicate new cword + [[ $i == $COMP_CWORD ]] && eval $3=$j + done + [[ $i == $COMP_CWORD ]] && eval $3=$j + else + # No, list of word completions separators hasn't changed; + eval $2=\( \"\${COMP_WORDS[@]}\" \) + fi +} # __reassemble_comp_words_by_ref() + + +# If the word-to-complete contains a colon (:), left-trim COMPREPLY items with +# word-to-complete. +# With a colon in COMP_WORDBREAKS, words containing +# colons are always completed as entire words if the word to complete contains +# a colon. This function fixes this, by removing the colon-containing-prefix +# from COMPREPLY items. +# The preferred solution is to remove the colon (:) from COMP_WORDBREAKS in +# your .bashrc: +# +# # Remove colon (:) from list of word completion separators +# COMP_WORDBREAKS=${COMP_WORDBREAKS//:} +# +# See also: Bash FAQ - E13) Why does filename completion misbehave if a colon +# appears in the filename? - http://tiswww.case.edu/php/chet/bash/FAQ +# @param $1 current word to complete (cur) +# @modifies global array $COMPREPLY +# +__ltrim_colon_completions() +{ + if [[ "$1" == *:* && "$COMP_WORDBREAKS" == *:* ]]; then + # Remove colon-word prefix from COMPREPLY items + local colon_word=${1%"${1##*:}"} + local i=${#COMPREPLY[*]} + while [[ $((--i)) -ge 0 ]]; do + COMPREPLY[$i]=${COMPREPLY[$i]#"$colon_word"} + done + fi +} # __ltrim_colon_completions() + + +# NOTE: Using this function as a helper function is deprecated. Use +# `_known_hosts_real' instead. +_known_hosts() +{ + local cur prev words cword + _init_completion -n : || return + + # NOTE: Using `_known_hosts' as a helper function and passing options + # to `_known_hosts' is deprecated: Use `_known_hosts_real' instead. + local options + [[ "$1" == -a || "$2" == -a ]] && options=-a + [[ "$1" == -c || "$2" == -c ]] && options+=" -c" + _known_hosts_real $options -- "$cur" +} # _known_hosts() + + +# Helper function for completing _known_hosts. +# This function performs host completion based on ssh's config and known_hosts +# files, as well as hostnames reported by avahi-browse if +# COMP_KNOWN_HOSTS_WITH_AVAHI is set to a non-empty value. Also hosts from +# HOSTFILE (compgen -A hostname) are added, unless +# COMP_KNOWN_HOSTS_WITH_HOSTFILE is set to an empty value. +# Usage: _known_hosts_real [OPTIONS] CWORD +# Options: -a Use aliases +# -c Use `:' suffix +# -F configfile Use `configfile' for configuration settings +# -p PREFIX Use PREFIX +# Return: Completions, starting with CWORD, are added to COMPREPLY[] +_known_hosts_real() +{ + local configfile flag prefix + local cur curd awkcur user suffix aliases i host + local -a kh khd config + + local OPTIND=1 + while getopts "acF:p:" flag "$@"; do + case $flag in + a) aliases='yes' ;; + c) suffix=':' ;; + F) configfile=$OPTARG ;; + p) prefix=$OPTARG ;; + esac + done + [[ $# -lt $OPTIND ]] && echo "error: $FUNCNAME: missing mandatory argument CWORD" + cur=${!OPTIND}; let "OPTIND += 1" + [[ $# -ge $OPTIND ]] && echo "error: $FUNCNAME("$@"): unprocessed arguments:"\ + $(while [[ $# -ge $OPTIND ]]; do printf '%s\n' ${!OPTIND}; shift; done) + + [[ $cur == *@* ]] && user=${cur%@*}@ && cur=${cur#*@} + kh=() + + # ssh config files + if [[ -n $configfile ]]; then + [[ -r $configfile ]] && config+=( "$configfile" ) + else + for i in /etc/ssh/ssh_config ~/.ssh/config ~/.ssh2/config; do + [[ -r $i ]] && config+=( "$i" ) + done + fi + + # Known hosts files from configs + if [[ ${#config[@]} -gt 0 ]]; then + local OIFS=$IFS IFS=$'\n' j + local -a tmpkh + # expand paths (if present) to global and user known hosts files + # TODO(?): try to make known hosts files with more than one consecutive + # spaces in their name work (watch out for ~ expansion + # breakage! Alioth#311595) + tmpkh=( $( awk 'sub("^[ \t]*([Gg][Ll][Oo][Bb][Aa][Ll]|[Uu][Ss][Ee][Rr])[Kk][Nn][Oo][Ww][Nn][Hh][Oo][Ss][Tt][Ss][Ff][Ii][Ll][Ee][ \t]+", "") { print $0 }' "${config[@]}" | sort -u ) ) + IFS=$OIFS + for i in "${tmpkh[@]}"; do + # First deal with quoted entries... + while [[ $i =~ ^([^\"]*)\"([^\"]*)\"(.*)$ ]]; do + i=${BASH_REMATCH[1]}${BASH_REMATCH[3]} + j=${BASH_REMATCH[2]} + __expand_tilde_by_ref j # Eval/expand possible `~' or `~user' + [[ -r $j ]] && kh+=( "$j" ) + done + # ...and then the rest. + for j in $i; do + __expand_tilde_by_ref j # Eval/expand possible `~' or `~user' + [[ -r $j ]] && kh+=( "$j" ) + done + done + fi + + + if [[ -z $configfile ]]; then + # Global and user known_hosts files + for i in /etc/ssh/ssh_known_hosts /etc/ssh/ssh_known_hosts2 \ + /etc/known_hosts /etc/known_hosts2 ~/.ssh/known_hosts \ + ~/.ssh/known_hosts2; do + [[ -r $i ]] && kh+=( "$i" ) + done + for i in /etc/ssh2/knownhosts ~/.ssh2/hostkeys; do + [[ -d $i ]] && khd+=( "$i"/*pub ) + done + fi + + # If we have known_hosts files to use + if [[ ${#kh[@]} -gt 0 || ${#khd[@]} -gt 0 ]]; then + # Escape slashes and dots in paths for awk + awkcur=${cur//\//\\\/} + awkcur=${awkcur//\./\\\.} + curd=$awkcur + + if [[ "$awkcur" == [0-9]*[.:]* ]]; then + # Digits followed by a dot or a colon - just search for that + awkcur="^$awkcur[.:]*" + elif [[ "$awkcur" == [0-9]* ]]; then + # Digits followed by no dot or colon - search for digits followed + # by a dot or a colon + awkcur="^$awkcur.*[.:]" + elif [[ -z $awkcur ]]; then + # A blank - search for a dot, a colon, or an alpha character + awkcur="[a-z.:]" + else + awkcur="^$awkcur" + fi + + if [[ ${#kh[@]} -gt 0 ]]; then + # FS needs to look for a comma separated list + COMPREPLY+=( $( awk 'BEGIN {FS=","} + /^\s*[^|\#]/ { + sub("^@[^ ]+ +", ""); \ + sub(" .*$", ""); \ + for (i=1; i<=NF; ++i) { \ + sub("^\\[", "", $i); sub("\\](:[0-9]+)?$", "", $i); \ + if ($i !~ /[*?]/ && $i ~ /'"$awkcur"'/) {print $i} \ + }}' "${kh[@]}" 2>/dev/null ) ) + fi + if [[ ${#khd[@]} -gt 0 ]]; then + # Needs to look for files called + # .../.ssh2/key_22_.pub + # dont fork any processes, because in a cluster environment, + # there can be hundreds of hostkeys + for i in "${khd[@]}" ; do + if [[ "$i" == *key_22_$curd*.pub && -r "$i" ]]; then + host=${i/#*key_22_/} + host=${host/%.pub/} + COMPREPLY+=( $host ) + fi + done + fi + + # apply suffix and prefix + for (( i=0; i < ${#COMPREPLY[@]}; i++ )); do + COMPREPLY[i]=$prefix$user${COMPREPLY[i]}$suffix + done + fi + + # append any available aliases from config files + if [[ ${#config[@]} -gt 0 && -n "$aliases" ]]; then + local hosts=$( sed -ne 's/^[ \t]*[Hh][Oo][Ss][Tt]\([Nn][Aa][Mm][Ee]\)\{0,1\}['"$'\t '"']\{1,\}\([^#*?]*\)\(#.*\)\{0,1\}$/\2/p' "${config[@]}" ) + COMPREPLY+=( $( compgen -P "$prefix$user" \ + -S "$suffix" -W "$hosts" -- "$cur" ) ) + fi + + # Add hosts reported by avahi-browse, if desired and it's available. + if [[ ${COMP_KNOWN_HOSTS_WITH_AVAHI:-} ]] && \ + type avahi-browse &>/dev/null; then + # The original call to avahi-browse also had "-k", to avoid lookups + # into avahi's services DB. We don't need the name of the service, and + # if it contains ";", it may mistify the result. But on Gentoo (at + # least), -k wasn't available (even if mentioned in the manpage) some + # time ago, so... + COMPREPLY+=( $( compgen -P "$prefix$user" -S "$suffix" -W \ + "$( avahi-browse -cpr _workstation._tcp 2>/dev/null | \ + awk -F';' '/^=/ { print $7 }' | sort -u )" -- "$cur" ) ) + fi + + # Add hosts reported by ruptime. + COMPREPLY+=( $( compgen -W \ + "$( ruptime 2>/dev/null | awk '!/^ruptime:/ { print $1 }' )" \ + -- "$cur" ) ) + + # Add results of normal hostname completion, unless + # `COMP_KNOWN_HOSTS_WITH_HOSTFILE' is set to an empty value. + if [[ -n ${COMP_KNOWN_HOSTS_WITH_HOSTFILE-1} ]]; then + COMPREPLY+=( + $( compgen -A hostname -P "$prefix$user" -S "$suffix" -- "$cur" ) ) + fi + + __ltrim_colon_completions "$prefix$user$cur" + + return 0 +} # _known_hosts_real() + + +# Get the word to complete and optional previous words. +# This is nicer than ${COMP_WORDS[$COMP_CWORD]}, since it handles cases +# where the user is completing in the middle of a word. +# (For example, if the line is "ls foobar", +# and the cursor is here --------> ^ +# Also one is able to cross over possible wordbreak characters. +# Usage: _get_comp_words_by_ref [OPTIONS] [VARNAMES] +# Available VARNAMES: +# cur Return cur via $cur +# prev Return prev via $prev +# words Return words via $words +# cword Return cword via $cword +# +# Available OPTIONS: +# -n EXCLUDE Characters out of $COMP_WORDBREAKS which should NOT be +# considered word breaks. This is useful for things like scp +# where we want to return host:path and not only path, so we +# would pass the colon (:) as -n option in this case. +# -c VARNAME Return cur via $VARNAME +# -p VARNAME Return prev via $VARNAME +# -w VARNAME Return words via $VARNAME +# -i VARNAME Return cword via $VARNAME +# +# Example usage: +# +# $ _get_comp_words_by_ref -n : cur prev +# +_get_comp_words_by_ref() +{ + local exclude flag i OPTIND=1 + local cur cword words=() + local upargs=() upvars=() vcur vcword vprev vwords + + while getopts "c:i:n:p:w:" flag "$@"; do + case $flag in + c) vcur=$OPTARG ;; + i) vcword=$OPTARG ;; + n) exclude=$OPTARG ;; + p) vprev=$OPTARG ;; + w) vwords=$OPTARG ;; + esac + done + while [[ $# -ge $OPTIND ]]; do + case ${!OPTIND} in + cur) vcur=cur ;; + prev) vprev=prev ;; + cword) vcword=cword ;; + words) vwords=words ;; + *) echo "bash: $FUNCNAME(): \`${!OPTIND}': unknown argument" \ + 1>&2; return 1 + esac + let "OPTIND += 1" + done + + __get_cword_at_cursor_by_ref "$exclude" words cword cur + + [[ $vcur ]] && { upvars+=("$vcur" ); upargs+=(-v $vcur "$cur" ); } + [[ $vcword ]] && { upvars+=("$vcword"); upargs+=(-v $vcword "$cword"); } + [[ $vprev && $cword -ge 1 ]] && { upvars+=("$vprev" ); upargs+=(-v $vprev + "${words[cword - 1]}"); } + [[ $vwords ]] && { upvars+=("$vwords"); upargs+=(-a${#words[@]} $vwords + "${words[@]}"); } + + (( ${#upvars[@]} )) && local "${upvars[@]}" && _upvars "${upargs[@]}" +} + +# Initialize completion and deal with various general things: do file +# and variable completion where appropriate, and adjust prev, words, +# and cword as if no redirections exist so that completions do not +# need to deal with them. Before calling this function, make sure +# cur, prev, words, and cword are local, ditto split if you use -s. +# +# Options: +# -n EXCLUDE Passed to _get_comp_words_by_ref -n with redirection chars +# -e XSPEC Passed to _filedir as first arg for stderr redirections +# -o XSPEC Passed to _filedir as first arg for other output redirections +# -i XSPEC Passed to _filedir as first arg for stdin redirections +# -s Split long options with _split_longopt, implies -n = +# @return True (0) if completion needs further processing, +# False (> 0) no further processing is necessary. +# +_init_completion() +{ + local exclude= flag outx errx inx OPTIND=1 + + while getopts "n:e:o:i:s" flag "$@"; do + case $flag in + n) exclude+=$OPTARG ;; + e) errx=$OPTARG ;; + o) outx=$OPTARG ;; + i) inx=$OPTARG ;; + s) split=false ; exclude+== ;; + esac + done + + # For some reason completion functions are not invoked at all by + # bash (at least as of 4.1.7) after the command line contains an + # ampersand so we don't get a chance to deal with redirections + # containing them, but if we did, hopefully the below would also + # do the right thing with them... + + COMPREPLY=() + local redir="@(?([0-9])<|?([0-9&])>?(>)|>&)" + _get_comp_words_by_ref -n "$exclude<>&" cur prev words cword + + # Complete variable names. + _variables && return 1 + + # Complete on files if current is a redirect possibly followed by a + # filename, e.g. ">foo", or previous is a "bare" redirect, e.g. ">". + if [[ $cur == $redir* || $prev == $redir ]]; then + local xspec + case $cur in + 2'>'*) xspec=$errx ;; + *'>'*) xspec=$outx ;; + *'<'*) xspec=$inx ;; + *) + case $prev in + 2'>'*) xspec=$errx ;; + *'>'*) xspec=$outx ;; + *'<'*) xspec=$inx ;; + esac + ;; + esac + cur="${cur##$redir}" + _filedir $xspec + return 1 + fi + + # Remove all redirections so completions don't have to deal with them. + local i skip + for (( i=1; i < ${#words[@]}; )); do + if [[ ${words[i]} == $redir* ]]; then + # If "bare" redirect, remove also the next word (skip=2). + [[ ${words[i]} == $redir ]] && skip=2 || skip=1 + words=( "${words[@]:0:i}" "${words[@]:i+skip}" ) + [[ $i -le $cword ]] && cword=$(( cword - skip )) + else + i=$(( ++i )) + fi + done + + [[ $cword -le 0 ]] && return 1 + prev=${words[cword-1]} + + [[ ${split-} ]] && _split_longopt && split=true + + return 0 +} + +# Try to complete -o SubOptions= +# +# Returns 0 if the completion was handled or non-zero otherwise. +_ssh_suboption_check() +{ + # Get prev and cur words without splitting on = + local cureq=`_get_cword :=` preveq=`_get_pword :=` + if [[ $cureq == *=* && $preveq == -o ]]; then + _ssh_suboption $cureq + return $? + fi + return 1 +} + +_complete_ssh() +{ + local cur prev words cword + _init_completion -n : || return + + local configfile + local -a config + + _ssh_suboption_check && return 0 + + case $prev in + -F|-i|-S) + _filedir + return 0 + ;; + -c) + _ssh_ciphers + return 0 + ;; + -m) + _ssh_macs + return 0 + ;; + -l) + COMPREPLY=( $( compgen -u -- "$cur" ) ) + return 0 + ;; + -O) + COMPREPLY=( $( compgen -W 'check forward exit stop' -- "$cur" ) ) + return 0 + ;; + -o) + _ssh_options + return 0 + ;; + -w) + _available_interfaces + return 0 + ;; + -b) + _ip_addresses + return 0 + ;; + -D|-e|-I|-L|-p|-R|-W) + return 0 + ;; + esac + + if [[ "$cur" == -F* ]]; then + cur=${cur#-F} + _filedir + # Prefix completions with '-F' + COMPREPLY=( "${COMPREPLY[@]/#/-F}" ) + cur=-F$cur # Restore cur + elif [[ "$cur" == -* ]]; then + COMPREPLY=( $( compgen -W '$( _parse_usage "$1" )' -- "$cur" ) ) + else + # Search COMP_WORDS for '-F configfile' or '-Fconfigfile' argument + set -- "${words[@]}" + while [[ $# -gt 0 ]]; do + if [[ $1 == -F* ]]; then + if [[ ${#1} -gt 2 ]]; then + configfile="$(dequote "${1:2}")" + else + shift + [[ $1 ]] && configfile="$(dequote "$1")" + fi + break + fi + shift + done + _known_hosts_real -a -F "$configfile" "$cur" + if [[ $cword -ne 1 ]]; then + compopt -o filenames + COMPREPLY+=( $( compgen -c -- "$cur" ) ) + fi + fi + + return 0 +} && +shopt -u hostcomplete && complete -F _complete_ssh ssh diff --git a/tv/2configs/bash/default.nix b/tv/2configs/bash/default.nix new file mode 100644 index 000000000..40c0725ed --- /dev/null +++ b/tv/2configs/bash/default.nix @@ -0,0 +1,37 @@ +{ config, lib, pkgs, ... }: + +with import ; + +{ + programs.bash = { + interactiveShellInit = '' + HISTCONTROL='erasedups:ignorespace' + HISTSIZE=65536 + HISTFILESIZE=$HISTSIZE + + shopt -s checkhash + shopt -s histappend histreedit histverify + shopt -s no_empty_cmd_completion + complete -d cd + ''; + promptInit = '' + case $UID in + 0) + PS1='\[\e[1;31m\]\w\[\e[0m\] ' + ;; + ${toString config.krebs.build.user.uid}) + PS1='\[\e[1;32m\]\w\[\e[0m\] ' + ;; + *) + PS1='\[\e[1;35m\]\u \[\e[1;32m\]\w\[\e[0m\] ' + ;; + esac + if test -n "$SSH_CLIENT"; then + PS1='\[\e[35m\]\h'" $PS1" + fi + if test -n "$SSH_AGENT_PID"; then + PS1="ssh-agent[$SSH_AGENT_PID] $PS1" + fi + ''; + }; +} diff --git a/tv/2configs/bash_completion.sh b/tv/2configs/bash_completion.sh deleted file mode 100644 index 537484fb9..000000000 --- a/tv/2configs/bash_completion.sh +++ /dev/null @@ -1,779 +0,0 @@ - -# Expand variable starting with tilde (~) -# We want to expand ~foo/... to /home/foo/... to avoid problems when -# word-to-complete starting with a tilde is fed to commands and ending up -# quoted instead of expanded. -# Only the first portion of the variable from the tilde up to the first slash -# (~../) is expanded. The remainder of the variable, containing for example -# a dollar sign variable ($) or asterisk (*) is not expanded. -# Example usage: -# -# $ v="~"; __expand_tilde_by_ref v; echo "$v" -# -# Example output: -# -# v output -# -------- ---------------- -# ~ /home/user -# ~foo/bar /home/foo/bar -# ~foo/$HOME /home/foo/$HOME -# ~foo/a b /home/foo/a b -# ~foo/* /home/foo/* -# -# @param $1 Name of variable (not the value of the variable) to expand -__expand_tilde_by_ref() -{ - # Does $1 start with tilde (~)? - if [[ ${!1} == \~* ]]; then - # Does $1 contain slash (/)? - if [[ ${!1} == */* ]]; then - # Yes, $1 contains slash; - # 1: Remove * including and after first slash (/), i.e. "~a/b" - # becomes "~a". Double quotes allow eval. - # 2: Remove * before the first slash (/), i.e. "~a/b" - # becomes "b". Single quotes prevent eval. - # +-----1----+ +---2----+ - eval $1="${!1/%\/*}"/'${!1#*/}' - else - # No, $1 doesn't contain slash - eval $1="${!1}" - fi - fi -} # __expand_tilde_by_ref() - - -# Get the word to complete. -# This is nicer than ${COMP_WORDS[$COMP_CWORD]}, since it handles cases -# where the user is completing in the middle of a word. -# (For example, if the line is "ls foobar", -# and the cursor is here --------> ^ -# @param $1 string Characters out of $COMP_WORDBREAKS which should NOT be -# considered word breaks. This is useful for things like scp where -# we want to return host:path and not only path, so we would pass the -# colon (:) as $1 in this case. -# @param $2 integer Index number of word to return, negatively offset to the -# current word (default is 0, previous is 1), respecting the exclusions -# given at $1. For example, `_get_cword "=:" 1' returns the word left of -# the current word, respecting the exclusions "=:". -# @deprecated Use `_get_comp_words_by_ref cur' instead -# @see _get_comp_words_by_ref() -_get_cword() -{ - local LC_CTYPE=C - local cword words - __reassemble_comp_words_by_ref "$1" words cword - - # return previous word offset by $2 - if [[ ${2//[^0-9]/} ]]; then - printf "%s" "${words[cword-$2]}" - elif [[ "${#words[cword]}" -eq 0 || "$COMP_POINT" == "${#COMP_LINE}" ]]; then - printf "%s" "${words[cword]}" - else - local i - local cur="$COMP_LINE" - local index="$COMP_POINT" - for (( i = 0; i <= cword; ++i )); do - while [[ - # Current word fits in $cur? - "${#cur}" -ge ${#words[i]} && - # $cur doesn't match cword? - "${cur:0:${#words[i]}}" != "${words[i]}" - ]]; do - # Strip first character - cur="${cur:1}" - # Decrease cursor position - ((index--)) - done - - # Does found word matches cword? - if [[ "$i" -lt "$cword" ]]; then - # No, cword lies further; - local old_size="${#cur}" - cur="${cur#${words[i]}}" - local new_size="${#cur}" - index=$(( index - old_size + new_size )) - fi - done - - if [[ "${words[cword]:0:${#cur}}" != "$cur" ]]; then - # We messed up! At least return the whole word so things - # keep working - printf "%s" "${words[cword]}" - else - printf "%s" "${cur:0:$index}" - fi - fi -} # _get_cword() - - -# Get word previous to the current word. -# This is a good alternative to `prev=${COMP_WORDS[COMP_CWORD-1]}' because bash4 -# will properly return the previous word with respect to any given exclusions to -# COMP_WORDBREAKS. -# @deprecated Use `_get_comp_words_by_ref cur prev' instead -# @see _get_comp_words_by_ref() -# -_get_pword() -{ - if [[ $COMP_CWORD -ge 1 ]]; then - _get_cword "${@:-}" 1 - fi -} - - - -# Complete variables. -# @return True (0) if variables were completed, -# False (> 0) if not. -_variables() -{ - if [[ $cur =~ ^(\$\{?)([A-Za-z0-9_]*)$ ]]; then - [[ $cur == *{* ]] && local suffix=} || local suffix= - COMPREPLY+=( $( compgen -P ${BASH_REMATCH[1]} -S "$suffix" -v -- \ - "${BASH_REMATCH[2]}" ) ) - return 0 - fi - return 1 -} - -# Assign variable one scope above the caller -# Usage: local "$1" && _upvar $1 "value(s)" -# Param: $1 Variable name to assign value to -# Param: $* Value(s) to assign. If multiple values, an array is -# assigned, otherwise a single value is assigned. -# NOTE: For assigning multiple variables, use '_upvars'. Do NOT -# use multiple '_upvar' calls, since one '_upvar' call might -# reassign a variable to be used by another '_upvar' call. -# See: http://fvue.nl/wiki/Bash:_Passing_variables_by_reference -_upvar() -{ - if unset -v "$1"; then # Unset & validate varname - if (( $# == 2 )); then - eval $1=\"\$2\" # Return single value - else - eval $1=\(\"\${@:2}\"\) # Return array - fi - fi -} - -# Assign variables one scope above the caller -# Usage: local varname [varname ...] && -# _upvars [-v varname value] | [-aN varname [value ...]] ... -# Available OPTIONS: -# -aN Assign next N values to varname as array -# -v Assign single value to varname -# Return: 1 if error occurs -# See: http://fvue.nl/wiki/Bash:_Passing_variables_by_reference -_upvars() -{ - if ! (( $# )); then - echo "${FUNCNAME[0]}: usage: ${FUNCNAME[0]} [-v varname"\ - "value] | [-aN varname [value ...]] ..." 1>&2 - return 2 - fi - while (( $# )); do - case $1 in - -a*) - # Error checking - [[ ${1#-a} ]] || { echo "bash: ${FUNCNAME[0]}: \`$1': missing"\ - "number specifier" 1>&2; return 1; } - printf %d "${1#-a}" &> /dev/null || { echo "bash:"\ - "${FUNCNAME[0]}: \`$1': invalid number specifier" 1>&2 - return 1; } - # Assign array of -aN elements - [[ "$2" ]] && unset -v "$2" && eval $2=\(\"\${@:3:${1#-a}}\"\) && - shift $((${1#-a} + 2)) || { echo "bash: ${FUNCNAME[0]}:"\ - "\`$1${2+ }$2': missing argument(s)" 1>&2; return 1; } - ;; - -v) - # Assign single value - [[ "$2" ]] && unset -v "$2" && eval $2=\"\$3\" && - shift 3 || { echo "bash: ${FUNCNAME[0]}: $1: missing"\ - "argument(s)" 1>&2; return 1; } - ;; - *) - echo "bash: ${FUNCNAME[0]}: $1: invalid option" 1>&2 - return 1 ;; - esac - done -} - -# @param $1 exclude Characters out of $COMP_WORDBREAKS which should NOT be -# considered word breaks. This is useful for things like scp where -# we want to return host:path and not only path, so we would pass the -# colon (:) as $1 in this case. -# @param $2 words Name of variable to return words to -# @param $3 cword Name of variable to return cword to -# @param $4 cur Name of variable to return current word to complete to -# @see __reassemble_comp_words_by_ref() -__get_cword_at_cursor_by_ref() -{ - local cword words=() - __reassemble_comp_words_by_ref "$1" words cword - - local i cur index=$COMP_POINT lead=${COMP_LINE:0:$COMP_POINT} - # Cursor not at position 0 and not leaded by just space(s)? - if [[ $index -gt 0 && ( $lead && ${lead//[[:space:]]} ) ]]; then - cur=$COMP_LINE - for (( i = 0; i <= cword; ++i )); do - while [[ - # Current word fits in $cur? - ${#cur} -ge ${#words[i]} && - # $cur doesn't match cword? - "${cur:0:${#words[i]}}" != "${words[i]}" - ]]; do - # Strip first character - cur="${cur:1}" - # Decrease cursor position - ((index--)) - done - - # Does found word match cword? - if [[ $i -lt $cword ]]; then - # No, cword lies further; - local old_size=${#cur} - cur="${cur#"${words[i]}"}" - local new_size=${#cur} - index=$(( index - old_size + new_size )) - fi - done - # Clear $cur if just space(s) - [[ $cur && ! ${cur//[[:space:]]} ]] && cur= - # Zero $index if negative - [[ $index -lt 0 ]] && index=0 - fi - - local "$2" "$3" "$4" && _upvars -a${#words[@]} $2 "${words[@]}" \ - -v $3 "$cword" -v $4 "${cur:0:$index}" -} - -# Reassemble command line words, excluding specified characters from the -# list of word completion separators (COMP_WORDBREAKS). -# @param $1 chars Characters out of $COMP_WORDBREAKS which should -# NOT be considered word breaks. This is useful for things like scp where -# we want to return host:path and not only path, so we would pass the -# colon (:) as $1 here. -# @param $2 words Name of variable to return words to -# @param $3 cword Name of variable to return cword to -# -__reassemble_comp_words_by_ref() -{ - local exclude i j line ref - # Exclude word separator characters? - if [[ $1 ]]; then - # Yes, exclude word separator characters; - # Exclude only those characters, which were really included - exclude="${1//[^$COMP_WORDBREAKS]}" - fi - - # Default to cword unchanged - eval $3=$COMP_CWORD - # Are characters excluded which were former included? - if [[ $exclude ]]; then - # Yes, list of word completion separators has shrunk; - line=$COMP_LINE - # Re-assemble words to complete - for (( i=0, j=0; i < ${#COMP_WORDS[@]}; i++, j++)); do - # Is current word not word 0 (the command itself) and is word not - # empty and is word made up of just word separator characters to - # be excluded and is current word not preceded by whitespace in - # original line? - while [[ $i -gt 0 && ${COMP_WORDS[$i]} == +([$exclude]) ]]; do - # Is word separator not preceded by whitespace in original line - # and are we not going to append to word 0 (the command - # itself), then append to current word. - [[ $line != [$' \t']* ]] && (( j >= 2 )) && ((j--)) - # Append word separator to current or new word - ref="$2[$j]" - eval $2[$j]=\${!ref}\${COMP_WORDS[i]} - # Indicate new cword - [[ $i == $COMP_CWORD ]] && eval $3=$j - # Remove optional whitespace + word separator from line copy - line=${line#*"${COMP_WORDS[$i]}"} - # Start new word if word separator in original line is - # followed by whitespace. - [[ $line == [$' \t']* ]] && ((j++)) - # Indicate next word if available, else end *both* while and - # for loop - (( $i < ${#COMP_WORDS[@]} - 1)) && ((i++)) || break 2 - done - # Append word to current word - ref="$2[$j]" - eval $2[$j]=\${!ref}\${COMP_WORDS[i]} - # Remove optional whitespace + word from line copy - line=${line#*"${COMP_WORDS[i]}"} - # Indicate new cword - [[ $i == $COMP_CWORD ]] && eval $3=$j - done - [[ $i == $COMP_CWORD ]] && eval $3=$j - else - # No, list of word completions separators hasn't changed; - eval $2=\( \"\${COMP_WORDS[@]}\" \) - fi -} # __reassemble_comp_words_by_ref() - - -# If the word-to-complete contains a colon (:), left-trim COMPREPLY items with -# word-to-complete. -# With a colon in COMP_WORDBREAKS, words containing -# colons are always completed as entire words if the word to complete contains -# a colon. This function fixes this, by removing the colon-containing-prefix -# from COMPREPLY items. -# The preferred solution is to remove the colon (:) from COMP_WORDBREAKS in -# your .bashrc: -# -# # Remove colon (:) from list of word completion separators -# COMP_WORDBREAKS=${COMP_WORDBREAKS//:} -# -# See also: Bash FAQ - E13) Why does filename completion misbehave if a colon -# appears in the filename? - http://tiswww.case.edu/php/chet/bash/FAQ -# @param $1 current word to complete (cur) -# @modifies global array $COMPREPLY -# -__ltrim_colon_completions() -{ - if [[ "$1" == *:* && "$COMP_WORDBREAKS" == *:* ]]; then - # Remove colon-word prefix from COMPREPLY items - local colon_word=${1%"${1##*:}"} - local i=${#COMPREPLY[*]} - while [[ $((--i)) -ge 0 ]]; do - COMPREPLY[$i]=${COMPREPLY[$i]#"$colon_word"} - done - fi -} # __ltrim_colon_completions() - - -# NOTE: Using this function as a helper function is deprecated. Use -# `_known_hosts_real' instead. -_known_hosts() -{ - local cur prev words cword - _init_completion -n : || return - - # NOTE: Using `_known_hosts' as a helper function and passing options - # to `_known_hosts' is deprecated: Use `_known_hosts_real' instead. - local options - [[ "$1" == -a || "$2" == -a ]] && options=-a - [[ "$1" == -c || "$2" == -c ]] && options+=" -c" - _known_hosts_real $options -- "$cur" -} # _known_hosts() - - -# Helper function for completing _known_hosts. -# This function performs host completion based on ssh's config and known_hosts -# files, as well as hostnames reported by avahi-browse if -# COMP_KNOWN_HOSTS_WITH_AVAHI is set to a non-empty value. Also hosts from -# HOSTFILE (compgen -A hostname) are added, unless -# COMP_KNOWN_HOSTS_WITH_HOSTFILE is set to an empty value. -# Usage: _known_hosts_real [OPTIONS] CWORD -# Options: -a Use aliases -# -c Use `:' suffix -# -F configfile Use `configfile' for configuration settings -# -p PREFIX Use PREFIX -# Return: Completions, starting with CWORD, are added to COMPREPLY[] -_known_hosts_real() -{ - local configfile flag prefix - local cur curd awkcur user suffix aliases i host - local -a kh khd config - - local OPTIND=1 - while getopts "acF:p:" flag "$@"; do - case $flag in - a) aliases='yes' ;; - c) suffix=':' ;; - F) configfile=$OPTARG ;; - p) prefix=$OPTARG ;; - esac - done - [[ $# -lt $OPTIND ]] && echo "error: $FUNCNAME: missing mandatory argument CWORD" - cur=${!OPTIND}; let "OPTIND += 1" - [[ $# -ge $OPTIND ]] && echo "error: $FUNCNAME("$@"): unprocessed arguments:"\ - $(while [[ $# -ge $OPTIND ]]; do printf '%s\n' ${!OPTIND}; shift; done) - - [[ $cur == *@* ]] && user=${cur%@*}@ && cur=${cur#*@} - kh=() - - # ssh config files - if [[ -n $configfile ]]; then - [[ -r $configfile ]] && config+=( "$configfile" ) - else - for i in /etc/ssh/ssh_config ~/.ssh/config ~/.ssh2/config; do - [[ -r $i ]] && config+=( "$i" ) - done - fi - - # Known hosts files from configs - if [[ ${#config[@]} -gt 0 ]]; then - local OIFS=$IFS IFS=$'\n' j - local -a tmpkh - # expand paths (if present) to global and user known hosts files - # TODO(?): try to make known hosts files with more than one consecutive - # spaces in their name work (watch out for ~ expansion - # breakage! Alioth#311595) - tmpkh=( $( awk 'sub("^[ \t]*([Gg][Ll][Oo][Bb][Aa][Ll]|[Uu][Ss][Ee][Rr])[Kk][Nn][Oo][Ww][Nn][Hh][Oo][Ss][Tt][Ss][Ff][Ii][Ll][Ee][ \t]+", "") { print $0 }' "${config[@]}" | sort -u ) ) - IFS=$OIFS - for i in "${tmpkh[@]}"; do - # First deal with quoted entries... - while [[ $i =~ ^([^\"]*)\"([^\"]*)\"(.*)$ ]]; do - i=${BASH_REMATCH[1]}${BASH_REMATCH[3]} - j=${BASH_REMATCH[2]} - __expand_tilde_by_ref j # Eval/expand possible `~' or `~user' - [[ -r $j ]] && kh+=( "$j" ) - done - # ...and then the rest. - for j in $i; do - __expand_tilde_by_ref j # Eval/expand possible `~' or `~user' - [[ -r $j ]] && kh+=( "$j" ) - done - done - fi - - - if [[ -z $configfile ]]; then - # Global and user known_hosts files - for i in /etc/ssh/ssh_known_hosts /etc/ssh/ssh_known_hosts2 \ - /etc/known_hosts /etc/known_hosts2 ~/.ssh/known_hosts \ - ~/.ssh/known_hosts2; do - [[ -r $i ]] && kh+=( "$i" ) - done - for i in /etc/ssh2/knownhosts ~/.ssh2/hostkeys; do - [[ -d $i ]] && khd+=( "$i"/*pub ) - done - fi - - # If we have known_hosts files to use - if [[ ${#kh[@]} -gt 0 || ${#khd[@]} -gt 0 ]]; then - # Escape slashes and dots in paths for awk - awkcur=${cur//\//\\\/} - awkcur=${awkcur//\./\\\.} - curd=$awkcur - - if [[ "$awkcur" == [0-9]*[.:]* ]]; then - # Digits followed by a dot or a colon - just search for that - awkcur="^$awkcur[.:]*" - elif [[ "$awkcur" == [0-9]* ]]; then - # Digits followed by no dot or colon - search for digits followed - # by a dot or a colon - awkcur="^$awkcur.*[.:]" - elif [[ -z $awkcur ]]; then - # A blank - search for a dot, a colon, or an alpha character - awkcur="[a-z.:]" - else - awkcur="^$awkcur" - fi - - if [[ ${#kh[@]} -gt 0 ]]; then - # FS needs to look for a comma separated list - COMPREPLY+=( $( awk 'BEGIN {FS=","} - /^\s*[^|\#]/ { - sub("^@[^ ]+ +", ""); \ - sub(" .*$", ""); \ - for (i=1; i<=NF; ++i) { \ - sub("^\\[", "", $i); sub("\\](:[0-9]+)?$", "", $i); \ - if ($i !~ /[*?]/ && $i ~ /'"$awkcur"'/) {print $i} \ - }}' "${kh[@]}" 2>/dev/null ) ) - fi - if [[ ${#khd[@]} -gt 0 ]]; then - # Needs to look for files called - # .../.ssh2/key_22_.pub - # dont fork any processes, because in a cluster environment, - # there can be hundreds of hostkeys - for i in "${khd[@]}" ; do - if [[ "$i" == *key_22_$curd*.pub && -r "$i" ]]; then - host=${i/#*key_22_/} - host=${host/%.pub/} - COMPREPLY+=( $host ) - fi - done - fi - - # apply suffix and prefix - for (( i=0; i < ${#COMPREPLY[@]}; i++ )); do - COMPREPLY[i]=$prefix$user${COMPREPLY[i]}$suffix - done - fi - - # append any available aliases from config files - if [[ ${#config[@]} -gt 0 && -n "$aliases" ]]; then - local hosts=$( sed -ne 's/^[ \t]*[Hh][Oo][Ss][Tt]\([Nn][Aa][Mm][Ee]\)\{0,1\}['"$'\t '"']\{1,\}\([^#*?]*\)\(#.*\)\{0,1\}$/\2/p' "${config[@]}" ) - COMPREPLY+=( $( compgen -P "$prefix$user" \ - -S "$suffix" -W "$hosts" -- "$cur" ) ) - fi - - # Add hosts reported by avahi-browse, if desired and it's available. - if [[ ${COMP_KNOWN_HOSTS_WITH_AVAHI:-} ]] && \ - type avahi-browse &>/dev/null; then - # The original call to avahi-browse also had "-k", to avoid lookups - # into avahi's services DB. We don't need the name of the service, and - # if it contains ";", it may mistify the result. But on Gentoo (at - # least), -k wasn't available (even if mentioned in the manpage) some - # time ago, so... - COMPREPLY+=( $( compgen -P "$prefix$user" -S "$suffix" -W \ - "$( avahi-browse -cpr _workstation._tcp 2>/dev/null | \ - awk -F';' '/^=/ { print $7 }' | sort -u )" -- "$cur" ) ) - fi - - # Add hosts reported by ruptime. - COMPREPLY+=( $( compgen -W \ - "$( ruptime 2>/dev/null | awk '!/^ruptime:/ { print $1 }' )" \ - -- "$cur" ) ) - - # Add results of normal hostname completion, unless - # `COMP_KNOWN_HOSTS_WITH_HOSTFILE' is set to an empty value. - if [[ -n ${COMP_KNOWN_HOSTS_WITH_HOSTFILE-1} ]]; then - COMPREPLY+=( - $( compgen -A hostname -P "$prefix$user" -S "$suffix" -- "$cur" ) ) - fi - - __ltrim_colon_completions "$prefix$user$cur" - - return 0 -} # _known_hosts_real() - - -# Get the word to complete and optional previous words. -# This is nicer than ${COMP_WORDS[$COMP_CWORD]}, since it handles cases -# where the user is completing in the middle of a word. -# (For example, if the line is "ls foobar", -# and the cursor is here --------> ^ -# Also one is able to cross over possible wordbreak characters. -# Usage: _get_comp_words_by_ref [OPTIONS] [VARNAMES] -# Available VARNAMES: -# cur Return cur via $cur -# prev Return prev via $prev -# words Return words via $words -# cword Return cword via $cword -# -# Available OPTIONS: -# -n EXCLUDE Characters out of $COMP_WORDBREAKS which should NOT be -# considered word breaks. This is useful for things like scp -# where we want to return host:path and not only path, so we -# would pass the colon (:) as -n option in this case. -# -c VARNAME Return cur via $VARNAME -# -p VARNAME Return prev via $VARNAME -# -w VARNAME Return words via $VARNAME -# -i VARNAME Return cword via $VARNAME -# -# Example usage: -# -# $ _get_comp_words_by_ref -n : cur prev -# -_get_comp_words_by_ref() -{ - local exclude flag i OPTIND=1 - local cur cword words=() - local upargs=() upvars=() vcur vcword vprev vwords - - while getopts "c:i:n:p:w:" flag "$@"; do - case $flag in - c) vcur=$OPTARG ;; - i) vcword=$OPTARG ;; - n) exclude=$OPTARG ;; - p) vprev=$OPTARG ;; - w) vwords=$OPTARG ;; - esac - done - while [[ $# -ge $OPTIND ]]; do - case ${!OPTIND} in - cur) vcur=cur ;; - prev) vprev=prev ;; - cword) vcword=cword ;; - words) vwords=words ;; - *) echo "bash: $FUNCNAME(): \`${!OPTIND}': unknown argument" \ - 1>&2; return 1 - esac - let "OPTIND += 1" - done - - __get_cword_at_cursor_by_ref "$exclude" words cword cur - - [[ $vcur ]] && { upvars+=("$vcur" ); upargs+=(-v $vcur "$cur" ); } - [[ $vcword ]] && { upvars+=("$vcword"); upargs+=(-v $vcword "$cword"); } - [[ $vprev && $cword -ge 1 ]] && { upvars+=("$vprev" ); upargs+=(-v $vprev - "${words[cword - 1]}"); } - [[ $vwords ]] && { upvars+=("$vwords"); upargs+=(-a${#words[@]} $vwords - "${words[@]}"); } - - (( ${#upvars[@]} )) && local "${upvars[@]}" && _upvars "${upargs[@]}" -} - -# Initialize completion and deal with various general things: do file -# and variable completion where appropriate, and adjust prev, words, -# and cword as if no redirections exist so that completions do not -# need to deal with them. Before calling this function, make sure -# cur, prev, words, and cword are local, ditto split if you use -s. -# -# Options: -# -n EXCLUDE Passed to _get_comp_words_by_ref -n with redirection chars -# -e XSPEC Passed to _filedir as first arg for stderr redirections -# -o XSPEC Passed to _filedir as first arg for other output redirections -# -i XSPEC Passed to _filedir as first arg for stdin redirections -# -s Split long options with _split_longopt, implies -n = -# @return True (0) if completion needs further processing, -# False (> 0) no further processing is necessary. -# -_init_completion() -{ - local exclude= flag outx errx inx OPTIND=1 - - while getopts "n:e:o:i:s" flag "$@"; do - case $flag in - n) exclude+=$OPTARG ;; - e) errx=$OPTARG ;; - o) outx=$OPTARG ;; - i) inx=$OPTARG ;; - s) split=false ; exclude+== ;; - esac - done - - # For some reason completion functions are not invoked at all by - # bash (at least as of 4.1.7) after the command line contains an - # ampersand so we don't get a chance to deal with redirections - # containing them, but if we did, hopefully the below would also - # do the right thing with them... - - COMPREPLY=() - local redir="@(?([0-9])<|?([0-9&])>?(>)|>&)" - _get_comp_words_by_ref -n "$exclude<>&" cur prev words cword - - # Complete variable names. - _variables && return 1 - - # Complete on files if current is a redirect possibly followed by a - # filename, e.g. ">foo", or previous is a "bare" redirect, e.g. ">". - if [[ $cur == $redir* || $prev == $redir ]]; then - local xspec - case $cur in - 2'>'*) xspec=$errx ;; - *'>'*) xspec=$outx ;; - *'<'*) xspec=$inx ;; - *) - case $prev in - 2'>'*) xspec=$errx ;; - *'>'*) xspec=$outx ;; - *'<'*) xspec=$inx ;; - esac - ;; - esac - cur="${cur##$redir}" - _filedir $xspec - return 1 - fi - - # Remove all redirections so completions don't have to deal with them. - local i skip - for (( i=1; i < ${#words[@]}; )); do - if [[ ${words[i]} == $redir* ]]; then - # If "bare" redirect, remove also the next word (skip=2). - [[ ${words[i]} == $redir ]] && skip=2 || skip=1 - words=( "${words[@]:0:i}" "${words[@]:i+skip}" ) - [[ $i -le $cword ]] && cword=$(( cword - skip )) - else - i=$(( ++i )) - fi - done - - [[ $cword -le 0 ]] && return 1 - prev=${words[cword-1]} - - [[ ${split-} ]] && _split_longopt && split=true - - return 0 -} - -# Try to complete -o SubOptions= -# -# Returns 0 if the completion was handled or non-zero otherwise. -_ssh_suboption_check() -{ - # Get prev and cur words without splitting on = - local cureq=`_get_cword :=` preveq=`_get_pword :=` - if [[ $cureq == *=* && $preveq == -o ]]; then - _ssh_suboption $cureq - return $? - fi - return 1 -} - -_complete_ssh() -{ - local cur prev words cword - _init_completion -n : || return - - local configfile - local -a config - - _ssh_suboption_check && return 0 - - case $prev in - -F|-i|-S) - _filedir - return 0 - ;; - -c) - _ssh_ciphers - return 0 - ;; - -m) - _ssh_macs - return 0 - ;; - -l) - COMPREPLY=( $( compgen -u -- "$cur" ) ) - return 0 - ;; - -O) - COMPREPLY=( $( compgen -W 'check forward exit stop' -- "$cur" ) ) - return 0 - ;; - -o) - _ssh_options - return 0 - ;; - -w) - _available_interfaces - return 0 - ;; - -b) - _ip_addresses - return 0 - ;; - -D|-e|-I|-L|-p|-R|-W) - return 0 - ;; - esac - - if [[ "$cur" == -F* ]]; then - cur=${cur#-F} - _filedir - # Prefix completions with '-F' - COMPREPLY=( "${COMPREPLY[@]/#/-F}" ) - cur=-F$cur # Restore cur - elif [[ "$cur" == -* ]]; then - COMPREPLY=( $( compgen -W '$( _parse_usage "$1" )' -- "$cur" ) ) - else - # Search COMP_WORDS for '-F configfile' or '-Fconfigfile' argument - set -- "${words[@]}" - while [[ $# -gt 0 ]]; do - if [[ $1 == -F* ]]; then - if [[ ${#1} -gt 2 ]]; then - configfile="$(dequote "${1:2}")" - else - shift - [[ $1 ]] && configfile="$(dequote "$1")" - fi - break - fi - shift - done - _known_hosts_real -a -F "$configfile" "$cur" - if [[ $cword -ne 1 ]]; then - compopt -o filenames - COMPREPLY+=( $( compgen -c -- "$cur" ) ) - fi - fi - - return 0 -} && -shopt -u hostcomplete && complete -F _complete_ssh ssh diff --git a/tv/2configs/default.nix b/tv/2configs/default.nix index d16ff4eb5..b2560084d 100644 --- a/tv/2configs/default.nix +++ b/tv/2configs/default.nix @@ -27,7 +27,7 @@ with import ; ./audit.nix ./backup.nix - ./bash.nix + ./bash ./htop.nix ./nginx ./ssh.nix -- cgit v1.2.3