diff options
Diffstat (limited to 'shell/key-bindings.bash')
| -rw-r--r-- | shell/key-bindings.bash | 36 |
1 files changed, 28 insertions, 8 deletions
diff --git a/shell/key-bindings.bash b/shell/key-bindings.bash index 8b0ef76c..946bc2d8 100644 --- a/shell/key-bindings.bash +++ b/shell/key-bindings.bash @@ -25,6 +25,32 @@ __fzf_defaults() { echo "${FZF_DEFAULT_OPTS-} $2" } +# This function performs `exec awk "$@"` safely by working around awk +# compatibility issues. +# +# Note: To reduce an extra fork, this function performs "exec" so is expected +# to be run as the last command in a subshell. +# +# Note: This function is included with {completion,key-bindings}.{bash,zsh} and +# synchronized. +__fzf_exec_awk() { + if [[ -z ${__fzf_awk-} ]]; then + __fzf_awk=awk + + # choose the faster mawk if: it's installed && build date >= 20230322 && + # version >= 1.3.4 + local n x y z d + IFS=' .' read n x y z d <<< $(command mawk -W version 2> /dev/null) + [[ $n == mawk ]] && (( d >= 20230302 && (x * 1000 + y) * 1000 + z >= 1003004 )) && __fzf_awk=mawk + fi + + # Note: macOS awk has a quirk that it stops processing at all when it sees + # any data not following UTF-8 in the input stream when the current LC_CTYPE + # specifies the UTF-8 encoding. To work around this quirk, one needs to + # specify LC_ALL=C to change the current encoding to the plain one. + LC_ALL=C exec "$__fzf_awk" "$@" +} + __fzf_select__() { FZF_DEFAULT_COMMAND=${FZF_CTRL_T_COMMAND:-} \ FZF_DEFAULT_OPTS=$(__fzf_defaults "--reverse --walker=file,dir,follow,hidden --scheme=path" "${FZF_CTRL_T_OPTS-} -m") \ @@ -74,13 +100,7 @@ if command -v perl > /dev/null; then } else # awk - fallback for POSIX systems __fzf_history__() { - local output script n x y z d - if [[ -z $__fzf_awk ]]; then - __fzf_awk=awk - # choose the faster mawk if: it's installed && build date >= 20230322 && version >= 1.3.4 - IFS=' .' read n x y z d <<< $(command mawk -W version 2> /dev/null) - [[ $n == mawk ]] && (( d >= 20230302 && (x *1000 +y) *1000 +z >= 1003004 )) && __fzf_awk=mawk - fi + local output script [[ $(HISTTIMEFORMAT='' builtin history 1) =~ [[:digit:]]+ ]] # how many history entries script='function P(b) { ++n; sub(/^[ *]/, "", b); if (!seen[b]++) { printf "%d\t%s%c", '$((BASH_REMATCH + 1))' - n, b, 0 } } NR==1 { b = substr($0, 2); next } @@ -90,7 +110,7 @@ else # awk - fallback for POSIX systems output=$( set +o pipefail builtin fc -lnr -2147483648 2> /dev/null | # ( $'\t '<lines>$'\n' )* ; <lines> ::= [^\n]* ( $'\n'<lines> )* - command $__fzf_awk "$script" | # ( <counter>$'\t'<lines>$'\000' )* + __fzf_exec_awk "$script" | # ( <counter>$'\t'<lines>$'\000' )* FZF_DEFAULT_OPTS=$(__fzf_defaults "" "-n2..,.. --scheme=history --bind=ctrl-r:toggle-sort --wrap-sign '"$'\t'"↳ ' --highlight-line ${FZF_CTRL_R_OPTS-} +m --read0") \ FZF_DEFAULT_OPTS_FILE='' $(__fzfcmd) --query "$READLINE_LINE" ) || return |