Edit File: zsh-newuser-install
# Function to install startup files for a new user. # Currently it only creates or edits .zshrc. # # It can be run again by giving it the option "-f". # Sanitize environment. emulate -L zsh setopt extendedglob nonomatch warncreateglobal # How the function will be referred to. local myname=zsh-newuser-install # Quick test not requiring any setting up. # Don't run if we're root. (These variables are provided by the shell.) if (( EUID == 0 || UID == 0 )); then if [[ $1 = -f ]]; then print -r "$myname: won't run as root. Read the manual." >&2 fi return 1 fi # The directory in which to look for and save .zshrc. local zd=${ZDOTDIR:-$HOME} # The same directory in a user friendly form, i.e. with ~ replacement. # (We don't want to use glob_subst since that has other side effects.) local zdmsg # The message used if an other blank .zshrc is created. local msg="# Created by newuser for $ZSH_VERSION" # The lines marking the start and end of the section edited. local startline="# Lines configured by $myname" local endline="# End of lines configured by $myname" # Prompts used for reading a key. The initial "?" is required. local shortprompt="?--- Type a key --- " local longprompt="?--- Type one of the keys in parentheses --- " # Prefix for all temporary files. Any files starting with this # will be removed at the end of the script. local tmpfile=${TMPPREFIX:-/tmp/zsh}-zni-$$ # Report of the state of settings for the top-level menu. local -A install_state # Values of all parameters etc. to be saved (including # those read in from the existing file.) local -A parsed_parameters parsed_options parsed_bindings parsed_keymaps # Corresponding state in a user-readable form. local -A state_parameters state_options state_bindings state_keymaps # Indicate whether an option defaults on or off. local -A default_options # Lines read in from between $startline and $endline which were # not understood. These are retained but moved out of that section # with a message. local -a unparsed # Lines used in submenus: the setting to output in a form # that can be exeucuted (an assignment, setopt or unsetopt), a brief message # about the setting, and the state copied from and to state_parameters or # state_options. Elements of all three arrays must correspond. local -a output_lines display_lines state_lines # Variable indicating some of the lines in the above variables # have been read in, i.e. the user has already configured the # particular set of settings. integer lines_read # Lines to set up completion. This is special as it is only # edited by compinstall, not this function. local -a completion_lines # Utility variables local -a reply match mbegin mend # Key read from user, used all over the place. local key # For default replies from read local REPLY integer save lines_found install_state[history]=Recommended install_state[completion]=Recommended install_state[bindkey]=Recommended # Don't save anything if interrupted. trap 'save=0' HUP INT QUIT # Substitute an initial ~ for human consumption. if [[ $zd = $HOME(#b)(|/*) ]]; then zdmsg="~$match[1]" else zdmsg=$zd fi # Don't run if we can't write to $zd. # Assume this is a temporary condition and exit silently--- # if this really is a new user this probably isn't the right # time for screeds of explanation. if [[ ! -w $zd ]]; then if [[ $1 = -f ]]; then print -r "$myname: can't write to $zdmsg." >&2 fi return 1 fi # Don't run unless we can talk to the user. if [[ ! -t 0 || ! -t 1 ]]; then if [[ $1 = -f ]]; then print -r "$myname: can only be used interactively." >&2 fi return 1 fi # Don't run unless terminal is sane. if (( ${LINES:-0} < 15 || ${COLUMNS:-0} < 72 )); then return 1 fi if [[ $1 != -f ]]; then # The zsh/newuser module already tests for the following, so this test only # triggers if zsh-newuser-install is run by hand. if [[ -e $zd/.zshenv || -e $zd/.zprofile || \ -e $zd/.zshrc || -e $zd/.zlogin ]]; then print -r "$myname: startup files exist, aborting. Use the argument -f if you want to force the function to be run again." >&2 return 1 fi fi # start of try block for tidy-up in always block { ######################################################################## # Utility functions ######################################################################## # All internal functions start with __zni_. These will be removed # when the main function exits. # Read existing lines from .zshrc, if any. __zni_retrieve_lines() { local line reply=() lines_found=0 [[ -f $zd/.zshrc ]] || return 1 grep "$startline" $zd/.zshrc 1>/dev/null 2>&1 || return 1 lines_found=1 sed -n "/^[ ]*$startline/,/^[ ]*$endline/p" $zd/.zshrc | while read -r line; do reply+=($line) done return 0 } # First argument is a state; other arguments are lines # to parse. They should either contain single assignments or # setopt or unsetopt statements. The state for each parameter # or option so parsed is set to the value given by the first argument. __zni_parse_lines() { local line opt warned first local -a args local state=$1 shift for line in "$@"; do case $line in ((#b)[[:blank:]]#([[:IDENT:]]##)=(*)) parsed_parameters[$match[1]]=$match[2] state_parameters[$match[1]]=$state ;; ((#b)[[:blank:]]#(un|)setopt[[:blank:]]##(*)) # TBD: handle setopt noX / unsetopt X for opt in ${=match[2]}; do opt=${${opt//(#m)[[:upper:]]/${(L)MATCH}}//_} if [[ $match[1] = un ]]; then parsed_options[$opt]=off else parsed_options[$opt]=on fi state_options[$opt]=$state done ;; ((#b)[[:blank:]]#bindkey[[:blank:]]##(*)) args=(${(z)match[1]}) # store keys unquoted: will need quoting for output. first=${(Q)args[1]} shift args if [[ $first = -[ev] && ${#args} -eq 0 ]]; then case $first in (-e) parsed_keymaps[main]=emacs ;; (-v) parsed_keymaps[main]=vi ;; esac state_keymaps[main]=$state else # TODO: handling keymap options parsed_bindings[first]=${args[2,-1]} state_bindings[first]=$state fi ;; ([[:blank:]]#($startline|$endline|)) ;; (*) unparsed+=($line) print -r "WARNING: failed to understand line: $line which will be retained but not edited." warned=1 ;; esac done if [[ -n $warned ]]; then read -k key$shortprompt fi } # Apply defaults. Arguments in the form # -p parameter_name default_value description # ... # -o option_name default=on|off description # ... # Options on by default should begin !, e.g. !nomatch. They # will still appear under the base option but with an indication that # the default is on. The default applies to the base option. Hack, sorry. # -b bindkey_string default_value description # ... # -B default_keymap=emacs|vi|none description # # They're not really defaults (they're not the same as the # builtin defaults), so the description output is "not yet saved". # # All variables to be edited in this section must be mentioned, # though defaults can be blank in which case nothing will be # saved unless the variable is set by the user. The description # is then "no value set". # # -B is a bit strange: it's simply designed to allow the user to # select "bindkey -e" for Emacs or "bindkey -v" for vi. It only # takes a single argument. Real key bindings use -b. # # This operation transfers some subset of settings from the parsed_* # and state_* variables to the *_lines variables for editing. __zni_apply_defaults() { local un suf # Reset the lines to be edited. state_lines=() display_lines=() output_lines=() lines_read=0 case $1 in (-p) shift while [[ $# -gt 0 && $1 != -* ]]; do # skip default if it was read in if [[ -z $state_parameters[$1] ]]; then parsed_parameters[$1]=$2 if [[ -n $2 ]]; then state_parameters[$1]="not yet saved" else state_parameters[$1]="no value set" fi elif [[ $state_parameters[$1] = saved ]]; then (( lines_read++ )) fi state_lines+=($state_parameters[$1]) display_lines+=("$3") output_lines+=("$1=$parsed_parameters[$1]") shift 3 done ;; (-o) shift while [[ $# -gt 0 && $1 != -* ]]; do # skip default if there was a setting if [[ $1 != ${1##!} ]]; then argv[1]=${1##!} default_options[$1]=on else default_options[$1]=off fi if [[ -z $state_options[$1] ]]; then parsed_options[$1]=$2 if [[ -n $2 ]]; then state_options[$1]="not yet saved" else state_options[$1]="no value set" fi elif [[ $state_options[$1] = saved ]]; then (( lines_read++ )) fi if [[ $parsed_options[$1] = on ]]; then un= suf= elif [[ -z $parsed_options[$1] && $default_options[$1] = on ]] then un= suf=", default on" else # display as unsetopt even if no value to save yet un=un suf= fi state_lines+=("$state_options[$1]$suf") display_lines+=("$3") output_lines+=("${un}setopt $1") shift 3 done ;; (-b) shift # this will barf on bindings beginning -; there's no good # reason to rebind that, even in vi command mode, so perhaps # we just add it to the sanity checks when we get around to them. while [[ $# -gt 0 && $1 != -* ]]; do if [[ -z $state_bindings[$1] ]]; then parsed_bindings[$1]=$2 if [[ -n $2 ]]; then state_bindings[$1]="not yet saved" else state_bindings[$1]="no value set" fi elif [[ $state_bindings[$1] = saved ]]; then (( lines_read++ )) fi state_lines+=($state_bindings[$1]) display_lines+=("$3") output_lines+=("bindkey ${(qq)1}${2:+ $2}") shift 3 done ;; (-B) shift if [[ -z $state_keymaps[main] ]]; then parsed_keymaps[main] = $1 if [[ $1 = none ]]; then state_keymaps[main]="no value set" else state_keymaps[main]="not yet saved" fi elif [[ $state_keymaps[main] = saved ]]; then (( lines_read++ )) fi state_lines+=($state_keymaps[main]) display_lines+=("$2") # display as -e even if no value to save yet if [[ $parsed_keymaps[main] = vi ]]; then output_lines+=("bindkey -v") else output_lines+=("bindkey -e") fi shift 2 ;; esac } # Display and edit the settings given by the set of *_lines arrays. # If requested by the user, apply the settings, updating the # parsed_* and state_* variables. __zni_display_and_edit() { integer i changes local default edval ldisp rdisp local -a states displays outputs tstval states=("${state_lines[@]}") displays=("${display_lines[@]}") outputs=("${output_lines[@]}") if [[ -n ${states[(r)not yet saved]} ]]; then # default should be installed, unless user says otherwise (( changes++ )) fi while true; do clear print -r $1 # snicker... print -r ${(l.${#1}..=.):-} print if (( $# > 1 )); then print -rl $argv[2,-1] print fi # Output each setting with a description and state. for (( i = 1; i <= ${#output_lines}; i++ )); do default=${states[$i]%%,*} if [[ $default = ("no value set"|"not to be saved"*) ]]; then ldisp="# $outputs[$i]" else ldisp=$outputs[$i] fi rdisp=${default:+($default)} print -r "# ($i) $displays[$i] $ldisp${(l.$COLUMNS-${#ldisp}-${#rdisp}-1.):-}$rdisp" done if (( changes )); then print -r " # (0) Remember edits and return to main menu (does not save file yet) # (q) Abandon edits and return to main menu " else print -r " # (0) or (q) Return to main menu (no changes made yet) " fi read -k key$longprompt print if [[ $key = <-> && $key -ge 1 && $key -le ${#outputs} ]]; then (( i = key )) case $outputs[$i] in ((#b)(|un)setopt' '(*)) # Try to locate the appropriate section in the manual. # I personally have no wish whatsoever to make this # use sed or awk. Suggestions welcome. if [[ -s $tmpfile-man-options ]]; then perl -ne 's/^(\s*)([A-Z]+)_?([A-Z]*)_?([A-Z]*)(\s*\(.+\)|\s*\<.+\>)*\s*$/\L$1$2$3$4\n/ and "'$match[2]'" =~ /^(|no)\L$2$3$4$/ and $print = 1 and next; next unless $print; exit if /^\s*$/; print; ' <$tmpfile-man-options >$tmpfile-man 2>/dev/null else rm -f $tmpfile-man fi while true; do clear if [[ -s $tmpfile-man ]]; then read <$tmpfile-man print "Option $match[2]:" cat $tmpfile-man print else print "Option $match[2]: $displays[$i]" fi print "The option $match[2] is currently ${match[1]:+un}set. Type: (s) to set it (turn it on) (u) to unset it (turn it off) (n) neither to set or unset it (use shell default: \ $default_options[$match[2]]) (k) or (q) to keep the current setting:" read -k key$shortprompt print case $key in (s) (( changes++ )) outputs[$i]="setopt $match[2]" states[$i]="set but not saved" ;; (u) (( changes++ )) outputs[$i]="unsetopt $match[2]" states[$i]="set but not saved" ;; (n) (( changes++ )) outputs[$i]="unsetopt $match[2]" states[$i]="no value set" ;; ([kq]) ;; (*) continue ;; esac break; done ;; ((#b)([^=]##)=(*)) if [[ -s $tmpfile-man-param ]]; then perl -ne 's/^(\s*)([A-Z]+)(\s*\<.+\>)*\s*$/$1$2\n/ and "$2" eq "'$match[1]'" and $print = 1; next unless $print; exit if /^\s*$/; print;' <$tmpfile-man-param >$tmpfile-man 2>/dev/null else rm -f $tmpfile-man fi if [[ -s $tmpfile-man ]]; then print -n Variable cat $tmpfile-man print else print -r "Variable ${match[1]}: $displays[$i]" fi print -r "Edit a value. If it is left blank, nothing will be saved:" edval=$match[2] if vared -p "$match[1]> " -h edval; then # check this assignment doesn't produce multiple words # e.g. "HISTFILE=never rm -f ~" does produce multiple words... # this isn't perfect, e.g. "(this would get split on assignment)", # but that's fairly benign. tstval=(${=edval}) if (( ${#tstval} > 1 )); then print "Error: value isn't a single word. Use quotes or backslashes if your value contains spaces. Note that you shouldn't quote an initial ~ in file names." >&2 read -k key$shortprompt # now check the assignment works... # don't suppress any errors, they may be useful. # this means we need to suppress warncreateglobal. elif ! ( typeset -g $match[1]; eval "$match[1]=$edval" ); then print "Error: bad shell syntax in value. The value will be assigned to the variable exactly as you enter it. Make sure all quotes are paired." >&2 read -k key$shortprompt else outputs[$i]="$match[1]=$edval" if [[ -n $edval ]]; then states[$i]="set but not saved" else states[$i]="no value set" fi (( changes++ )) fi else read -k key'?--- Edit abandoned, type a key --- ' fi ;; (bindkey' '-[ev]) while true; do print -nr "Pick a keymap (set of keys) to use when editing. Type: (e) for Emacs keymap (recommended unless you are vi user) (v) for Vi keymap (n) not to set a keymap (allow shell to choose) (k) to keep the current setting, " if [[ ${state_lines[$i]%%,*} = ("no value set"|"not to be saved") ]] then print -r "(n):" elif [[ $output_lines[$i] = *-v ]]; then print -r "(v):" else print -r "(e):" fi read -k key$longprompt case $key in (e) (( changes++ )) outputs[$i]="bindkey -e" states[$i]="set but not saved" ;; (v) (( changes++ )) outputs[$i]="bindkey -v" states[$i]="set but not saved" ;; (n) (( changes++ )) outputs[$i]="bindkey -e" states[$i]="not to be saved" ;; (k) ;; (*) continue ;; esac break done ;; (bindkey' '*) # TODO: this needs writing. We need to be able to read # keys and translate them, sanity check them, and ideally # handle keymaps, at least vi command and insert. ;; (*) print "*** Internal error: bad setting '$outputs[$i]' ***" >&2 read -k key'?--- Type a key in forlorn hope --- ' ;; esac elif [[ $key = 0 ]]; then # Update the *_lines variables state_lines=("${states[@]}") display_lines=("${displays[@]}") output_lines=("${outputs[@]}") # Also save any lines suitably marked to parsed_* and state_* # by rerunning __zni_parse_lines on each such line. for (( i = 1; i <= ${#output_lines}; i++ )); do if [[ ${state_lines[$i]%%,*} = \ ("set but not saved"|"not to be saved"|"not yet saved") ]] then __zni_parse_lines ${state_lines[$i]%%,*} $output_lines[$i] fi done return $(( changes == 0 )) elif [[ $key = [qQ] ]]; then return 1 fi done } # Print and despatch a submenu. # The first argument is the title. The remaining arguments # are pairs of descriptions and functions to execute. # There shouldn't be more than 9 entries. # The usual entries 0 and q are added automatically. __zni_submenu() { local title=$1 local desc func local -a descs funcs integer i shift clear print -r $title print -r ${(l.${#title}..=.):-} for desc func; do if [[ -z $func ]]; then print "*** Internal error: bad argument set for __zni_submenu ***" >&2 read -k key'?--- Type a key in forlorn hope --- ' return 1 fi descs+=($desc) funcs+=($func) done while true; do for (( i = 1; i <= ${#descs}; i++ )); do print -r " ($i) $descs[$i]" done print -r " (0) or (q) Return to previous menu" read -k key$longprompt if [[ $key = [0qQ] ]]; then return 1 elif (( key >= 1 && key <= ${#funcs} )); then $funcs[$key] fi done } # Save all values that have been edited to .zshrc. __zni_save() { local key optline newline local -a on_opts off_opts lines lines2 integer i # Record lines containing parameter settings, sorted. for key in ${(ok)parsed_parameters}; do if [[ $state_parameters[$key] != ("no value set"|"not to be saved") ]] then lines+=("$key=$parsed_parameters[$key]") fi done # Search through sorted options, make list of those to # be turned on and off. Those marked "no value set" aren't # to be output. for key in ${(ok)parsed_options}; do if [[ $state_options[$key] != ("no value set"|"not to be saved") ]]; then if [[ $parsed_options[$key] = on ]]; then on_opts+=($key) else off_opts+=($key) fi fi done # Construct lines of options to turn on, keeping them short. optline="setopt" for (( i = 1; i <= ${#on_opts}; i++ )); do newline="$optline $on_opts[$i]" if [[ ${#newline} -ge 72 ]]; then lines+=($optline) optline="setopt $on_opts[$i]" else optline=$newline fi if (( i == ${#on_opts} )); then lines+=($optline) fi done # Construct lines of options to turn off, keeping them short. optline="unsetopt" for (( i = 1; i <= ${#off_opts}; i++ )); do newline="$optline $off_opts[$i]" if [[ ${#newline} -ge 72 ]]; then lines+=($optline) optline="unsetopt $off_opts[$i]" else optline=$newline fi if (( i == ${#off_opts} )); then lines+=($optline) fi done # Construct lines of bindkey commands. First the keymap. if [[ $state_keymaps[main] != (|"no value set"|"not to be saved") ]]; then case $parsed_keymaps[main] in (emacs) lines+=("bindkey -e") ;; (vi) lines+=("bindkey -v") ;; (none) ;; (*) print -r "\ *** Internal error: bad type $parsed_keymaps[main] for keymap ***" >&2 read -k key'?--- Type a key in forlorn hope --- ' ;; esac fi # Now bindings. for key in ${(ok)parsed_bindings}; do if [[ $state_bindings[$key] != ("no value set"|"not to be saved") ]]; then lines+=("bindkey ${(qq)key} ${parsed_bindings[$key]}") fi done # Save the lines with a start and end marker to a temporary file. print -rl $startline $lines $endline >$tmpfile if (( ${#unparsed} )); then print "# The following lines were read by $myname. # They were moved here as they could not be understood. # $(date) ${(F)unparsed} # End of lines moved by $myname." >>$tmpfile fi if grep "$startline" $zd/.zshrc 1>/dev/null 2>&1; then # Found the start line; replace the section. # We could this by reading the lines in zsh, but in case # the .zshrc is huge it's perhaps better to use sed. sed -e "/^[ ]*$endline/r $tmpfile /^[ ]*$startline/,/^[ ]*$endline/d" $zd/.zshrc >${tmpfile}.repl && cp ${tmpfile}.repl $zd/.zshrc else # No current start marker; just append. cat $tmpfile >>$zd/.zshrc fi } ######################################################################## # Specific configurations ######################################################################## __zni_history_config() { __zni_apply_defaults -p \ HISTSIZE 1000 "Number of lines of history kept within the shell." \ HISTFILE $zdmsg/.histfile "File where history is saved." \ SAVEHIST 1000 "Number of lines of history to save to \$HISTFILE." if __zni_display_and_edit "History configuration"; then install_state[history]="Unsaved changes" save=1 fi } __zni_completion_config() { autoload -Uz compinstall if compinstall -d; then print "The completion system has already been activated. You can run the configuration tool (compinstall) at any time by typing autoload -Uz compinstall compinstall Do you wish to run it now [y/n]?" read -k key$shortprompt if [[ $key = [yY] ]]; then compinstall fi print else while true; do clear print "The new completion system (compsys) allows you to complete commands, arguments and special shell syntax such as variables. It provides completions for a wide range of commonly used commands in most cases simply by typing the TAB key. Documentation is in the zshcompsys manual page. If it is not turned on, only a few simple completions such as filenames are available but the time to start the shell is slightly shorter. You can: (1) Turn on completion with the default options. (2) Run the configuration tool (compinstall). You can also run this from the command line with the following commands: autoload -Uz compinstall compinstall if you don't want to configure completion now. (0) Don't turn on completion. " read -k key$longprompt case $key in (1) completion_lines=${(f)"$(compinstall -o)"} install_state[completion]="Unsaved changes" save=1 ;; (2) if compinstall; then install_state[completion]="Configured" # compinstall has done it's thing, so we don't need # to write anything. completion_lines=() fi ;; (0) completion_lines=() install_state[completion]="Recommended" ;; (*) continue ;; esac break done fi } __zni_bindkey_config() { __zni_apply_defaults -B emacs "Change default editing configuration" if __zni_display_and_edit "Default editing configuration" \ "The keys in the shell's line editor can be made to behave either" \ "like Emacs or like Vi, two common Unix editors. If you have no" \ "experience of either, Emacs is recommended. If you don't pick one," \ "the shell will try to guess based on the EDITOR environment variable." \ "Usually it's better to pick one explicitly."; then install_state[bindkey]="Unsaved changes" save=1 fi } __zni_completion_save() { if (( ${#completion_lines} )); then # We don't try to replace existing lines of completion configuration --- # that's up to compinstall. We should already have tested that # there was no existing completion set up. print -rl $completion_lines >>$zd/.zshrc fi } __zni_options_config() { # when we have enough, should use: # __zni_submenu "Common shell options" # This is deliberately just a tiny selection. # Feel free to extend it, but if you do, consider using __zni_submenu. # The "no" prefix is used to indicate options on by default. __zni_apply_defaults -o autocd '' "Change directory given just path." \ extendedglob '' "Use additional pattern matching features." \ appendhistory '' "Append new history lines instead of overwriting." \ '!nomatch' '' "Unmatched patterns cause an error." \ '!beep' '' "Beep on errors." \ notify '' "Immediately report changes in background job status." if __zni_display_and_edit "Common shell options" \ "The following are some of the shell options that are most often used." \ "The descriptions are very brief; if you would like more information," \ "read the zshoptions manual page (type \"man zshoptions\")."; then install_state[options]="Unsaved changes" save=1 fi } ######################################################################## # Main function ######################################################################## # Read and parse any existing lines, in case the function # was called again. __zni_retrieve_lines && __zni_parse_lines saved "$reply[@]" if [[ $state_parameters[HISTORY] = saved ]]; then install_state[history]="Saved" fi autoload -Uz compinstall zstyle :compinstall filename $zd/.zshrc if compinstall -d; then install_state[completion]="Saved" fi # skip initial screen if the function was deliberately run by the user. if [[ $1 != -f ]]; then clear print -r "This is the Z Shell configuration function for new users, $myname. You are seeing this message because you have no zsh startup files (the files .zshenv, .zprofile, .zshrc, .zlogin in the directory $zdmsg). This function can help you with a few settings that should make your use of the shell easier. You can: (q) Quit and do nothing. The function will be run again next time." if [[ ! -f $zd/.zshrc ]]; then print -r " (0) Exit, creating the file $zdmsg/.zshrc containing just a comment. That will prevent this function being run again." fi print -r " (1) Continue to the main menu. " read -k key$longprompt print case $key in ([qQ]) return 0 ;; (0) print -r $msg >$zd/.zshrc return 0 ;; (1) ;; (*) print -r "Aborting." if [[ $1 != -f ]]; then print "\ The function will be run again next time. To prevent this, execute: touch $zdmsg/.zshrc" fi return 1 ;; esac fi print -r "Attempting to extract information from manual pages..." (man zshoptions | col -b > $tmpfile-man-options; man zshparam | col -b > $tmpfile-man-param) 2>/dev/null while true; do clear print -nr "Please pick one of the following options: (1) Configure settings for history, i.e. command lines remembered and saved by the shell.\ ${install_state[history]:+ ($install_state[history].)} (2) " if [[ $install_state[completion] = Recommended ]]; then print -nr "Configure" else print -nr "Use" fi print -r " the new completion system.\ ${install_state[completion]:+ ($install_state[completion].)} (3) Configure how keys behave when editing command lines.\ ${install_state[bindkey]:+ ($install_state[bindkey].)} (4) Pick some of the more common shell options. These are simple \"on\" or \"off\" switches controlling the shell's features. \ ${install_state[options]:+ ($install_state[options].)} " print -nr "(0) Exit, " if (( save )); then print -r "saving the new settings. They will take effect immediately." elif [[ -f $zd/.zshrc ]]; then print -r "leaving the existing $zdmsg/.zshrc alone." else print -r "creating a blank $zdmsg/.zshrc file." fi print -r " (a) Abort all settings and start from scratch. Note this will overwrite any settings from $myname already in the startup file. It will not alter any of your other settings, however." if [[ $1 = -f ]]; then print -r " (q) Quit and do nothing else." else print -r " (q) Quit and do nothing else. The function will be run again next time." fi read -k key$longprompt print case $key in ([qQ]) break ;; ([aA]) parsed_parameters=() state_parameters=() parsed_options=() state_options=() parsed_keymaps=() state_keymaps=() parsed_bindings=() state_bindings=() unparsed=() ;; (0) clear if (( save )); then if [[ -f $zd/.zshrc ]]; then cp $zd/.zshrc $zd/.zshrc.zni && print -r "Copied old '$zdmsg/.zshrc' to '$zdmsg/.zshrc.zni'. " fi __zni_save __zni_completion_save elif [[ ! -f $zd/.zshrc ]]; then print -r $msg >$zd/.zshrc fi if [[ $1 != -f ]]; then print -r "The function will not be run in future, but you can run it yourself as follows: autoload $myname $myname -f The code added to $zdmsg/.zshrc is marked by the lines $startline $endline You should not edit anything between these lines if you intend to run $myname again. You may, however, edit any other part of the file." fi break ;; (1) __zni_history_config ;; (2) __zni_completion_config ;; (3) __zni_bindkey_config ;; (4) __zni_options_config ;; esac done } always { # Tidy up: always executed unless the shell is stopped dead # in its tracks. unfunction -m $myname __zni_\* rm -f $tmpfile* }
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