[PATCH v2 42/45] completion: bash: refactor _get_comp_words_by_ref()
- From
Felipe Contreras <felipe.contreras@gmail.com>
- Date
- Jun 18, 2021, 18:25 UTC
- Message-ID
- <20210618182518.697912-43-felipe.contreras@gmail.com>
- In-Reply-To
- <20210618182518.697912-1-felipe.contreras@gmail.com>
We don't need a separate function to do what we already know we want to do.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> --- contrib/completion/git-completion.bash | 93 +++++++++++--------------- 1 file changed, 39 insertions(+), 54 deletions(-)
diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash index 2c0b869aba..9976009951 100644 --- a/contrib/completion/git-completion.bash +++ b/contrib/completion/git-completion.bash @@ -334,21 +334,11 @@ __git_dequote () # # RELEASE: 2.x -# This function can be used to access a tokenized list of words -# on the command line: -# -# __git_reassemble_comp_words_by_ref '=:' -# if test "${words_[cword_-1]}" = -w -# then -# ... -# fi -# -# The argument should be a collection of characters from the list of -# word completion separators (COMP_WORDBREAKS) to treat as ordinary -# characters. +# This function reorganizes the words on the command line to be processed by +# the rest of the script. # # This is roughly equivalent to going back in time and setting -# COMP_WORDBREAKS to exclude those characters. The intent is to +# COMP_WORDBREAKS to exclude '=' and ':'. The intent is to # make option types like --date=<type> and <rev>:<path> easy to # recognize by treating each shell word as a single token. # @@ -356,60 +346,55 @@ __git_dequote () # shared with other completion scripts. By the time the completion # function gets called, COMP_WORDS has already been populated so local # changes to COMP_WORDBREAKS have no effect. -# -# Output: words_, cword_, cur_. -__git_reassemble_comp_words_by_ref() +if ! type _get_comp_words_by_ref >/dev/null 2>&1; then +_get_comp_words_by_ref () { + local words_ cword_ local exclude i j first + # Which word separators to exclude? - exclude="${1//[^$COMP_WORDBREAKS]}" + exclude="${COMP_WORDBREAKS//[^=:]}" cword_=$COMP_CWORD if [ -z "$exclude" ]; then words_=("${COMP_WORDS[@]}") - return - fi - # List of word completion separators has shrunk; - # re-assemble words to complete. - for ((i=0, j=0; i < ${#COMP_WORDS[@]}; i++, j++)); do - # Append each nonempty word consisting of just - # word separator characters to the current word. - first=t - while - [ $i -gt 0 ] && - [ -n "${COMP_WORDS[$i]}" ] && - # word consists of excluded word separators - [ "${COMP_WORDS[$i]//[^$exclude]}" = "${COMP_WORDS[$i]}" ] - do - # Attach to the previous token, - # unless the previous token is the command name. - if [ $j -ge 2 ] && [ -n "$first" ]; then - ((j--)) - fi - first= + else + # List of word completion separators has shrunk; + # re-assemble words to complete. + for ((i=0, j=0; i < ${#COMP_WORDS[@]}; i++, j++)); do + # Append each nonempty word consisting of just + # word separator characters to the current word. + first=t + while + [ $i -gt 0 ] && + [ -n "${COMP_WORDS[$i]}" ] && + # word consists of excluded word separators + [ "${COMP_WORDS[$i]//[^$exclude]}" = "${COMP_WORDS[$i]}" ] + do + # Attach to the previous token, + # unless the previous token is the command name. + if [ $j -ge 2 ] && [ -n "$first" ]; then + ((j--)) + fi + first= + words_[$j]=${words_[j]}${COMP_WORDS[i]} + if [ $i = $COMP_CWORD ]; then + cword_=$j + fi + if (($i < ${#COMP_WORDS[@]} - 1)); then + ((i++)) + else + # Done. + break 2 + fi + done words_[$j]=${words_[j]}${COMP_WORDS[i]} if [ $i = $COMP_CWORD ]; then cword_=$j fi - if (($i < ${#COMP_WORDS[@]} - 1)); then - ((i++)) - else - # Done. - return - fi done - words_[$j]=${words_[j]}${COMP_WORDS[i]} - if [ $i = $COMP_CWORD ]; then - cword_=$j - fi - done -} + fi -if ! type _get_comp_words_by_ref >/dev/null 2>&1; then -_get_comp_words_by_ref () -{ - local words_ cword_ - __git_reassemble_comp_words_by_ref "=:" cword=$cword_ cur=${words_[cword]} prev=${words_[cword-1]}
-- 2.32.0