Add rails completion from @mernen
Muhammad Muhammad Ibrahim
parent
eb21a1da6c
commit
418bb6ca50
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#! bash
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# bash completion for the `rails` command.
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#
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# Copyright (c) 2008-2017 Daniel Luz <dev at mernen dot com>.
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# Distributed under the MIT license.
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# http://mernen.com/projects/completion-ruby
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#
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# To use, source this file on bash:
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# . completion-rails
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# Sets $rails_command and $rails_subcommand
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__rails_get_command() {
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local i
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for ((i=1; i < $COMP_CWORD; ++i)); do
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local arg=${COMP_WORDS[$i]}
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case $arg in
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-b | --builder | -r | --ruby | --root | -m | --template |\
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-s | --source | -e | --environment)
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# Ignore next argument
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((++i))
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;;
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[^-]*)
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if [[ -n $rails_command ]]; then
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rails_subcommand=$arg
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return
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else
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rails_command=$arg
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case $arg in
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generate | g | destroy | plugin)
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# Continue processing, looking for a subcommand
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;;
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*)
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# End processing
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return;;
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esac
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fi
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;;
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esac
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done
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}
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__rails_complete_environments() {
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local environments=(config/environments/*.rb)
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if [[ -f $environments ]]; then
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environments=("${environments[@]##*/}")
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environments=("${environments[@]%.rb}")
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else
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environments=(development test production)
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fi
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COMPREPLY=($(compgen -W "${environments[*]}" -- "$1"))
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}
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# __rails_exec <command>
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# __rails_exec <command> \| <script>
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#
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# Performs the given `rails` command and caches the result. If a Ruby script is
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# given as a final argument separated by a pipe, the output of `rails` is piped
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# to `ruby -ne <script>`.
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__rails_exec() {
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# Lockfile is inferred here, and might not be correct (if running the
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# command on a subdirectory). However, a wrong file path won't be a
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# cadastrophic mistake, as it's never read; its main practical use is to
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# ensure we're not offering completion on a project with data from another.
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#
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# Additionally, we're assuming the change of available commands is tied to
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# a change in gems available, which should hold mostly true in practice.
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local lockfile=$PWD/Gemfile.lock
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local cachedir=${XDG_CACHE_HOME:-~/.cache}/completion-ruby
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local cachefile=$cachedir/rails--exec
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local rails_bin=(${rails_bin[@]:-rails})
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# A representation of all arguments with newlines replaced by spaces, used
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# as a cache identifier
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local cache_id_line="$PWD: ${rails_bin[*]} ${*//$'\n'/ }"
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if [[ (! -f $gemfile || $cachefile -nt $gemfile) &&
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$(head -n 1 -- "$cachefile" 2>/dev/null) = "$cache_id_line" ]]; then
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tail -n +2 -- "$cachefile"
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else
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local output
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if [[ ${@: -2:1} = \| ]]; then
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# ruby pipe follows
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local args=${@:1:$#-2}
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local ruby_script=${@: -1}
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output=$("${rails_bin[@]}" "${args[@]}" 2>/dev/null |
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ruby -ne "$ruby_script" 2>/dev/null)
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else
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output=$("${rails_bin[@]}" "$@" 2>/dev/null)
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fi
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if [[ $? -eq 0 ]]; then
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(mkdir -p -- "$cachedir" &&
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echo "$cache_id_line"$'\n'"$output" >$cachefile) 2>/dev/null
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echo "$output"
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fi
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fi
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}
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__rails() {
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local rails_bin=("${_RUBY_COMMAND_PREFIX[@]}" "$1")
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local cur=$2
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local prev=$3
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local rails_command rails_subcommand
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__rails_get_command
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COMPREPLY=()
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case $prev in
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-b | --builder | -r | --ruby | --root | -m | --template | -s | --source)
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# Leave it to complete the path
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return;;
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-e | --environment)
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__rails_complete_environments "$cur"
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return;;
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--mode)
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if [[ $rails_command = dbconsole || $rails_command = db ]]; then
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local options="html list line column"
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COMPREPLY=($(compgen -W "$options" -- "$cur"))
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return
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fi
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;;
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esac
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local options
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if [[ $cur = -* ]]; then
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if [[ -z $rails_command ]]; then
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options="-h --help -v --version"
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else
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local param
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options=$(__rails_exec "$rails_command" $rails_subcommand --help \|\
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'puts $_.scan(/(-\w)|(--\w[-\w]*)/)')
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fi
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else
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case $rails_command in
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"")
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options=$(__rails_exec \|\
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'puts $1 if ~/^ rails (\S+)/;
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puts $1 if ~/^ (\S+)/;
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puts $1 if ~/alias: "(\S+)"/')
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# If you've already typed one character, let's skip the
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# single-character shortcuts; this way, typing in "rails c<TAB>"
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# will instantly complete to "console", rather than just beeping
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# for ambiguity
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[[ -n $cur ]] && options=$(grep .. <<<"$options")
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;;
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server | s)
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# Load list dynamically?
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options="mongrel thin"
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;;
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console | c | dbconsole | db)
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__rails_complete_environments "$cur"
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return;;
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generate | g | destroy)
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options=$(__rails_exec "$rails_command" --help \|\
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'puts $1 if ~/^ (\w\S*)/')
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;;
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plugin)
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options="install remove"
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esac
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fi
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COMPREPLY=($(compgen -W "$options" -- "$cur"))
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}
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complete -F __rails -o bashdefault -o default rails
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# vim: ai ft=sh sw=4 sts=4 et
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@ -11,6 +11,7 @@ load ../../plugins/available/ruby.plugin
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load ../../plugins/available/rails.plugin
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load ../../completion/available/bundler.completion
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load ../../completion/available/gem.completion
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load ../../completion/available/rails.completion
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load ../../completion/available/rake.completion
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cite _about _param _example _group _author _version
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@ -62,7 +63,7 @@ function local_teardown {
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assert_line -n 0 ' aliases: bundler rails '
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assert_line -n 1 ' plugins: chruby chruby-auto rails ruby '
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assert_line -n 2 ' completions: bundler gem rake '
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assert_line -n 2 ' completions: bundler gem rails rake '
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}
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@test "search: rails ruby gem bundler rake -chruby" {
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@ -70,7 +71,7 @@ function local_teardown {
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assert_line -n 0 ' aliases: bundler rails '
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assert_line -n 1 ' plugins: rails ruby '
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assert_line -n 2 ' completions: bundler gem rake '
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assert_line -n 2 ' completions: bundler gem rails rake '
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}
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@test "search: @git" {
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