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refactor: simplify SSH terminfo and environment handling

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- Simplify feature detection to use single wildcard check
- Replace ssh_env array with simple ssh_term string variable
- Use TERM environment prefix instead of save/restore pattern
- Remove unnecessary backgrounded subshell for cache operations
This commit is contained in:
Jason Rayne
2025-07-07 10:00:56 -07:00
parent e0035e153d
commit c3b14dff71
4 changed files with 68 additions and 166 deletions
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56
src/shell-integration/zsh/ghostty-integration
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@@ -245,25 +245,19 @@ _ghostty_deferred_init() {
fi
# SSH Integration
if [[ "$GHOSTTY_SHELL_FEATURES" == *ssh-env* ]] || [[ "$GHOSTTY_SHELL_FEATURES" == *ssh-terminfo* ]]; then
if [[ "$GHOSTTY_SHELL_FEATURES" == *ssh-* ]]; then
ssh() {
emulate -L zsh
setopt local_options no_glob_subst
local ssh_env ssh_opts
ssh_env=()
local ssh_term ssh_opts
ssh_term=""
ssh_opts=()
# Configure environment variables for remote session
if [[ "$GHOSTTY_SHELL_FEATURES" == *ssh-env* ]]; then
ssh_opts+=(-o "SetEnv COLORTERM=truecolor")
ssh_opts+=(-o "SendEnv TERM_PROGRAM TERM_PROGRAM_VERSION")
ssh_env+=(
"COLORTERM=truecolor"
"TERM_PROGRAM=ghostty"
)
[[ -n "$TERM_PROGRAM_VERSION" ]] && ssh_env+=("TERM_PROGRAM_VERSION=$TERM_PROGRAM_VERSION")
fi
# Install terminfo on remote host if needed
@@ -289,11 +283,11 @@ _ghostty_deferred_init() {
fi
if [[ "$ssh_cache_check_success" == "true" ]]; then
ssh_env+=(TERM=xterm-ghostty)
ssh_term="xterm-ghostty"
elif (( $+commands[infocmp] )); then
if ! (( $+commands[base64] )); then
print "Warning: base64 command not available for terminfo installation." >&2
ssh_env+=(TERM=xterm-256color)
ssh_term="xterm-256color"
else
local ssh_terminfo ssh_base64_decode_cmd
@@ -320,61 +314,41 @@ _ghostty_deferred_init() {
exit 1
' 2>/dev/null; then
print "Terminfo setup complete on $ssh_hostname." >&2
ssh_env+=(TERM=xterm-ghostty)
ssh_term="xterm-ghostty"
ssh_opts+=(-o "ControlPath=$ssh_cpath")
# Cache successful installation
if [[ -n "$ssh_target" ]] && (( $+commands[ghostty] )); then
{
ghostty +ssh-cache --add="$ssh_target" >/dev/null 2>&1 || true
} &!
ghostty +ssh-cache --add="$ssh_target" >/dev/null 2>&1 || true
fi
else
print "Warning: Failed to install terminfo." >&2
ssh_env+=(TERM=xterm-256color)
ssh_term="xterm-256color"
fi
else
print "Warning: Could not generate terminfo data." >&2
ssh_env+=(TERM=xterm-256color)
ssh_term="xterm-256color"
fi
fi
else
print "Warning: ghostty command not available for cache management." >&2
ssh_env+=(TERM=xterm-256color)
ssh_term="xterm-256color"
fi
else
[[ "$GHOSTTY_SHELL_FEATURES" == *ssh-env* ]] && ssh_env+=(TERM=xterm-256color)
[[ "$GHOSTTY_SHELL_FEATURES" == *ssh-env* ]] && ssh_term="xterm-256color"
fi
fi
# Execute SSH with environment handling
local ssh_term_override=""
local ssh_v
for ssh_v in "${ssh_env[@]}"; do
if [[ "$ssh_v" =~ ^TERM=(.*)$ ]]; then
ssh_term_override="${match[1]}"
break
fi
done
if [[ "$GHOSTTY_SHELL_FEATURES" == *ssh-env* && -z "$ssh_term_override" ]]; then
ssh_env+=(TERM=xterm-256color)
ssh_term_override="xterm-256color"
if [[ "$GHOSTTY_SHELL_FEATURES" == *ssh-env* && -z "$ssh_term" ]]; then
ssh_term="xterm-256color"
fi
local ssh_ret
if [[ -n "$ssh_term_override" ]]; then
local ssh_original_term="$TERM"
export TERM="$ssh_term_override"
command ssh "${ssh_opts[@]}" "$@"
ssh_ret=$?
export TERM="$ssh_original_term"
if [[ -n "$ssh_term" ]]; then
TERM="$ssh_term" command ssh "${ssh_opts[@]}" "$@"
else
command ssh "${ssh_opts[@]}" "$@"
ssh_ret=$?
fi
return $ssh_ret
}
fi