mirror of
https://github.com/simonmichael/hledger.git
synced 2024-09-19 18:29:36 +03:00
133 lines
4.1 KiB
Plaintext
133 lines
4.1 KiB
Plaintext
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# Completion script for hledger.
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# Created using a Makefile and real hledger.
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# No set -e because this file is sourced and is not supposed to quit the current shell.
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set -o pipefail
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# Note: grep "^$wordToComplete" is (functional) not safe to use if the word
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# contains regex special chars. But it might be no problem because of
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# COMP_WORDBREAKS.
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# Note: compgen and compopt is pretty complicated. Piping to
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# grep "^$wordToComplete"
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# seems like a hack - I'd rather use
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# compgen ... -- "$wordToComplete"
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# But what options to use? I don't want to use -W because it may exceed the
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# maximum command line length. -C "cat file" is not working either. It would be
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# best if compgen could read from stdin but it does not.
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# Note: Working with bash arrays is nasty compared to editing a text file.
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# Consider for example grepping an array or mapping a substitution on it.
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# Therefore, we create temp files in RAM for completion suggestions (see below).
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readonly _HLEDGER_COMPLETION_TEMPDIR=$(mktemp -d)
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_hledger_completion_function() {
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#declare cmd=$1
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declare wordToComplete=$2
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declare precedingWord=$3
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declare subcommand
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for subcommand in "${COMP_WORDS[@]}"; do
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if grep -Fxqe "$subcommand" "$_HLEDGER_COMPLETION_TEMPDIR/commands.txt"; then
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COMPREPLY+=( $(grep -h "^$wordToComplete" -- "$_HLEDGER_COMPLETION_TEMPDIR/options-$subcommand.txt") )
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break
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fi
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subcommand=
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done
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if [[ -z $subcommand ]]; then
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declare completeFiles filenameSoFar
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case $precedingWord in
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-f|--file|--rules-file)
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completeFiles=1
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filenameSoFar=$wordToComplete
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;;
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=)
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completeFiles=1
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filenameSoFar=$wordToComplete
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;;
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esac
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if [[ -n $completeFiles ]]; then
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#COMP_WORDBREAKS='= '
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declare -a files
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# This does not work because assignment to 'files' in the "pipe
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# subshell" has no effect!
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#compgen -df | grep "^$filenameSoFar" | readarray -t files
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compopt -o filenames -o dirnames
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readarray -t files < <(compgen -f -- "$filenameSoFar")
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COMPREPLY=( "${files[@]}" )
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else
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COMPREPLY+=( $(grep -h "^$wordToComplete" -- "$_HLEDGER_COMPLETION_TEMPDIR/commands.txt" "$_HLEDGER_COMPLETION_TEMPDIR/generic-options.txt") )
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fi
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else
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# Almost all subcommands accept [QUERY]
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# -> always add accounts to completion list
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# TODO Get ledger file from -f --file arguments from COMP_WORDS and pass it to
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# the 'hledger accounts' call. Note that --rules-file - if present - must also
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# be passed!
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declare -a accounts
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readarray -t accounts < <({ cat "$_HLEDGER_COMPLETION_TEMPDIR/query-filters.txt"; hledger accounts --flat; } | grep "^$wordToComplete")
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compopt -o nospace
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COMPREPLY+=( "${accounts[@]}" )
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# Special characters (e.g. '-', ':') are allowed in account names.
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# Account names with spaces must be still be quoted (e.g. '"Expens')
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# for completion. Setting COMP_WORDBREAKS='' would not help here!
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COMP_WORDBREAKS=' '
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fi
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}
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_hledger_extension_completion_function() {
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declare cmd=$1
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# Change parameters and arguments and call the
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# normal hledger completion function.
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declare extensionName=${cmd#*-}
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export -a COMP_WORDS=( "hledger" "$extensionName" "${COMP_WORDS[@]:1}" )
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#echo; echo "debug: ${COMP_WORDS[@]}"
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shift
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_hledger_completion_function "hledger" "$@"
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}
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# Register completion function for hledger:
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complete -F _hledger_completion_function hledger
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# Register completion functions for hledger extensions:
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complete -F _hledger_extension_completion_function hledger-ui
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complete -F _hledger_extension_completion_function hledger-web
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# Include lists of commands and options generated by the Makefile using the
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# m4 macro processor.
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# Included files must have exactly one newline at EOF to prevent weired errors.
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cat <<TEXT > "$_HLEDGER_COMPLETION_TEMPDIR/commands.txt"
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include(`commands.txt')dnl
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TEXT
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cat <<TEXT > "$_HLEDGER_COMPLETION_TEMPDIR/query-filters.txt"
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include(`query-filters.txt')dnl
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TEXT
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cat <<TEXT > "$_HLEDGER_COMPLETION_TEMPDIR/generic-options.txt"
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include(`generic-options.txt')dnl
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TEXT
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include(`foreach2.m4')
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foreach(`cmd', (include(`commands-list.txt')), `
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cat <<TEXT > "$_HLEDGER_COMPLETION_TEMPDIR/options-cmd.txt"
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include(options-cmd.txt)dnl
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TEXT
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')
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