42 lines
1.3 KiB
Bash
Executable file
42 lines
1.3 KiB
Bash
Executable file
#!/usr/bin/env bash
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CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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source "$CURRENT_DIR/helpers.sh"
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get_hostname() {
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tty=${1:-$(tmux display -p '#{pane_tty}')}
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ssh_only=$2
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# shellcheck disable=SC2039
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if [ x"$OSTYPE" = x"cygwin" ]; then
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pid=$(ps -a | awk -v tty="${tty##/dev/}" '$5 == tty && /ssh/ && !/vagrant ssh/ && !/autossh/ && !/-W/ { print $1 }')
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[ -n "$pid" ] && ssh_parameters=$(tr '\0' ' ' < "/proc/$pid/cmdline" | sed 's/^ssh //')
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else
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ssh_parameters=$(ps -t "$tty" -o command= | awk '/ssh/ && !/vagrant ssh/ && !/autossh/ && !/-W/ { $1=""; print $0; exit }')
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fi
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if [ -n "$ssh_parameters" ]; then
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# shellcheck disable=SC2086
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hostname=$(ssh -G $ssh_parameters 2>/dev/null | awk 'NR > 2 { exit } ; /^hostname / { print $2 }')
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# shellcheck disable=SC2086
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[ -z "$hostname" ] && hostname=$(ssh -T -o ControlPath=none -o ProxyCommand="sh -c 'echo %%hostname%% %h >&2'" $ssh_parameters 2>&1 | awk '/^%hostname% / { print $2; exit }')
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#shellcheck disable=SC1004
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hostname=$(echo "$hostname" | awk '\
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{ \
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if ($1~/^[0-9.:]+$/) \
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print $1; \
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else \
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split($1, a, ".") ; print a[1] \
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}')
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else
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hostname=$(command hostname -s)
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fi
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echo "$hostname"
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}
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main() {
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local tmux_hostname=$(get_hostname)
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echo "$tmux_hostname"
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}
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main
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