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SSH title support

This commit is contained in:
Andrea Mistrali 2020-02-13 11:17:51 +01:00
parent 1a4362c446
commit ac211c4db0
1 changed files with 45 additions and 0 deletions
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45
zsh.d/prompts/pure/pure.zsh
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@ -621,6 +621,51 @@ prompt_pure_reset_vim_prompt_widget() {
} }
prompt_pure_state_setup() { prompt_pure_state_setup() {
setopt localoptions noshwordsplit
# Check SSH_CONNECTION and the current state.
local ssh_connection=${SSH_CONNECTION:-$PROMPT_PURE_SSH_CONNECTION}
local username hostname
if [[ -z $ssh_connection ]] && (( $+commands[who] )); then
# When changing user on a remote system, the $SSH_CONNECTION
# environment variable can be lost. Attempt detection via `who`.
local who_out
who_out=$(who -m 2>/dev/null)
if (( $? )); then
# Who am I not supported, fallback to plain who.
local -a who_in
who_in=( ${(f)"$(who 2>/dev/null)"} )
who_out="${(M)who_in:#*[[:space:]]${TTY#/dev/}[[:space:]]*}"
fi
local reIPv6='(([0-9a-fA-F]+:)|:){2,}[0-9a-fA-F]+' # Simplified, only checks partial pattern.
local reIPv4='([0-9]{1,3}\.){3}[0-9]+' # Simplified, allows invalid ranges.
# Here we assume two non-consecutive periods represents a
# hostname. This matches `foo.bar.baz`, but not `foo.bar`.
local reHostname='([.][^. ]+){2}'
# Usually the remote address is surrounded by parenthesis, but
# not on all systems (e.g. busybox).
local -H MATCH MBEGIN MEND
if [[ $who_out =~ "\(?($reIPv4|$reIPv6|$reHostname)\)?\$" ]]; then
ssh_connection=$MATCH
# Export variable to allow detection propagation inside
# shells spawned by this one (e.g. tmux does not always
# inherit the same tty, which breaks detection).
export PROMPT_PURE_SSH_CONNECTION=$ssh_connection
fi
unset MATCH MBEGIN MEND
fi
hostname='%F{$prompt_pure_colors[host]}@%m%f'
# Show `username@host` if logged in through SSH.
[[ -n $ssh_connection ]] && username='%F{$prompt_pure_colors[user]}%n%f'"$hostname"
# # Show `username@host` if root, with username in default color.
# [[ $UID -eq 0 ]] && username='%F{$prompt_pure_colors[user:root]}%n%f'"$hostname"
typeset -gA prompt_pure_state typeset -gA prompt_pure_state
prompt_pure_state[version]="1.11.0" prompt_pure_state[version]="1.11.0"
prompt_pure_state+=( prompt_pure_state+=(