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[shell] make __fzf_list_hosts()
definable by the user
Just like it’s already done for `_fzf_compgen_path()` and `_fzf_compgen_dir()` allow a user to easily define his own version of `__fzf_list_hosts()`. Also add some documentation on the expected “interface” of such custom function. Signed-off-by: Christoph Anton Mitterer <mail@christoph.anton.mitterer.name>
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@ -407,12 +407,17 @@ _fzf_proc_completion_post() {
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command awk '{print $2}'
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}
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__fzf_list_hosts() {
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# To use custom hostname lists, override __fzf_list_hosts.
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# The function is expected to print hostnames, one per line as well as in the
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# desired sorting and with any duplicates removed, to standard output.
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if ! declare -F __fzf_list_hosts > /dev/null; then
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__fzf_list_hosts() {
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command cat <(command tail -n +1 ~/.ssh/config ~/.ssh/config.d/* /etc/ssh/ssh_config 2> /dev/null | command grep -i '^\s*host\(name\)\? ' | command awk '{for (i = 2; i <= NF; i++) print $1 " " $i}' | command grep -v '[*?%]') \
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<(command grep -oE '^[[a-z0-9.,:-]+' ~/.ssh/known_hosts 2> /dev/null | command tr ',' '\n' | command tr -d '[' | command awk '{ print $1 " " $1 }') \
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<(command grep -v '^\s*\(#\|$\)' /etc/hosts 2> /dev/null | command grep -Fv '0.0.0.0') |
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command awk '{if (length($2) > 0) {print $2}}' | command sort -u
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}
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}
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fi
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_fzf_host_completion() {
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_fzf_complete +m -- "$@" < <(__fzf_list_hosts)
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@ -218,13 +218,18 @@ _fzf_complete() {
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command rm -f "$fifo"
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}
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__fzf_list_hosts() {
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# To use custom hostname lists, override __fzf_list_hosts.
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# The function is expected to print hostnames, one per line as well as in the
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# desired sorting and with any duplicates removed, to standard output.
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if ! declare -f __fzf_list_hosts > /dev/null; then
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__fzf_list_hosts() {
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setopt localoptions nonomatch
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command cat <(command tail -n +1 ~/.ssh/config ~/.ssh/config.d/* /etc/ssh/ssh_config 2> /dev/null | command grep -i '^\s*host\(name\)\? ' | awk '{for (i = 2; i <= NF; i++) print $1 " " $i}' | command grep -v '[*?%]') \
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<(command grep -oE '^[[a-z0-9.,:-]+' ~/.ssh/known_hosts 2> /dev/null | tr ',' '\n' | tr -d '[' | awk '{ print $1 " " $1 }') \
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<(command grep -v '^\s*\(#\|$\)' /etc/hosts 2> /dev/null | command grep -Fv '0.0.0.0') |
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awk '{if (length($2) > 0) {print $2}}' | sort -u
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}
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}
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fi
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_fzf_complete_telnet() {
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_fzf_complete +m -- "$@" < <(__fzf_list_hosts)
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