diff options
Diffstat (limited to 'shell/completion.bash')
| -rw-r--r-- | shell/completion.bash | 38 |
1 files changed, 32 insertions, 6 deletions
diff --git a/shell/completion.bash b/shell/completion.bash index 85e269aa..b62cf004 100644 --- a/shell/completion.bash +++ b/shell/completion.bash @@ -39,6 +39,32 @@ __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" "$@" +} + __fzf_comprun() { if [[ "$(type -t _fzf_comprun 2>&1)" = function ]]; then _fzf_comprun "$@" @@ -364,7 +390,7 @@ _fzf_complete() { fi local cur selected trigger cmd post - post="$(caller 0 | command awk '{print $2}')_post" + post="$(caller 0 | __fzf_exec_awk '{print $2}')_post" type -t "$post" > /dev/null 2>&1 || post='command cat' trigger=${FZF_COMPLETION_TRIGGER-'**'} @@ -443,7 +469,7 @@ _fzf_proc_completion() { } _fzf_proc_completion_post() { - command awk '{print $2}' + __fzf_exec_awk '{print $2}' } # To use custom hostname lists, override __fzf_list_hosts. @@ -475,7 +501,7 @@ if ! declare -F __fzf_list_hosts > /dev/null; then shopt -u dotglob nocaseglob failglob shopt -s nullglob - command awk ' + __fzf_exec_awk ' tolower($1) ~ /^host(name)?$/ { for (i = 2; i <= NF; i++) if ($i !~ /[*?%]/) @@ -484,7 +510,7 @@ if ! declare -F __fzf_list_hosts > /dev/null; then ' ~/.ssh/config ~/.ssh/config.d/* /etc/ssh/ssh_config 2> /dev/null ) \ <( - command awk -F ',' ' + __fzf_exec_awk -F ',' ' match($0, /^[[a-z0-9.,:-]+/) { $0 = substr($0, 1, RLENGTH) gsub(/\[/, "") @@ -494,7 +520,7 @@ if ! declare -F __fzf_list_hosts > /dev/null; then ' ~/.ssh/known_hosts 2> /dev/null ) \ <( - command awk ' + __fzf_exec_awk ' /^[[:blank:]]*(#|$)|0\.0\.0\.0/ { next } { sub(/#.*/, "") @@ -523,7 +549,7 @@ _fzf_complete_ssh() { *) local user= [[ "$2" =~ '@' ]] && user="${2%%@*}@" - _fzf_complete +m -- "$@" < <(__fzf_list_hosts | command awk -v user="$user" '{print user $0}') + _fzf_complete +m -- "$@" < <(__fzf_list_hosts | __fzf_exec_awk -v user="$user" '{print user $0}') ;; esac } |