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feat: add SSH integration wrapper for shell integration

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- Implements opt-in SSH wrapper following sudo pattern
- Supports term_only, basic, and full integration levels
- Fixes xterm-ghostty TERM compatibility on remote systems
- Propagates shell integration environment variables
- Allows for automatic installation of terminfo if desired
- Addresses GitHub discussions #5892 and #4156
This commit is contained in:
Jason Rayne
2025-06-13 16:11:46 -07:00
parent fa47db5363
commit 142e07c502
9 changed files with 496 additions and 372 deletions
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81
src/shell-integration/zsh/ghostty-integration
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@@ -243,6 +243,87 @@ _ghostty_deferred_init() {
fi
}
fi
# SSH
if [[ -n "$GHOSTTY_SSH_INTEGRATION" && "$GHOSTTY_SSH_INTEGRATION" != "off" ]]; then
# Wrap `ssh` command to provide Ghostty SSH integration
ssh() {
case "$GHOSTTY_SSH_INTEGRATION" in
"term_only")
_ghostty_ssh_term_only "$@"
;;
"basic")
_ghostty_ssh_basic "$@"
;;
"full")
_ghostty_ssh_full "$@"
;;
*)
# Unknown level, fall back to basic
_ghostty_ssh_basic "$@"
;;
esac
}
# Level: term_only - Just fix TERM compatibility
_ghostty_ssh_term_only() {
if [[ "$TERM" == "xterm-ghostty" ]]; then
TERM=xterm-256color builtin command ssh "$@"
else
builtin command ssh "$@"
fi
}
# Level: basic - TERM fix + environment variable propagation
_ghostty_ssh_basic() {
# Fix TERM compatibility and propagate key environment variables
if [[ "$TERM" == "xterm-ghostty" ]]; then
TERM=xterm-256color \
GHOSTTY_SHELL_FEATURES="${GHOSTTY_SHELL_FEATURES}" \
GHOSTTY_RESOURCES_DIR="${GHOSTTY_RESOURCES_DIR}" \
builtin command ssh "$@"
else
GHOSTTY_SHELL_FEATURES="${GHOSTTY_SHELL_FEATURES}" \
GHOSTTY_RESOURCES_DIR="${GHOSTTY_RESOURCES_DIR}" \
builtin command ssh "$@"
fi
}
# Level: full - All features
_ghostty_ssh_full() {
# Full integration: Two-step terminfo installation
if command -v infocmp >/dev/null 2>&1; then
echo "Installing Ghostty terminfo on remote host..." >&2
# Step 1: Install terminfo using the same approach that works manually
# This requires authentication but is quick and reliable
if infocmp -x xterm-ghostty 2>/dev/null | command ssh "$@" 'mkdir -p ~/.terminfo/x 2>/dev/null && tic -x -o ~/.terminfo /dev/stdin 2>/dev/null'; then
echo "Terminfo installed successfully. Connecting with full Ghostty support..." >&2
# Step 2: Connect with xterm-ghostty since we know terminfo is now available
local env_vars=()
# Use xterm-ghostty since we just installed it
env_vars+=("TERM=xterm-ghostty")
# Propagate Ghostty shell integration environment variables
[[ -n "$GHOSTTY_SHELL_INTEGRATION_NO_CURSOR" ]] && env_vars+=("GHOSTTY_SHELL_INTEGRATION_NO_CURSOR=$GHOSTTY_SHELL_INTEGRATION_NO_CURSOR")
[[ -n "$GHOSTTY_SHELL_INTEGRATION_NO_SUDO" ]] && env_vars+=("GHOSTTY_SHELL_INTEGRATION_NO_SUDO=$GHOSTTY_SHELL_INTEGRATION_NO_SUDO")
[[ -n "$GHOSTTY_SHELL_INTEGRATION_NO_TITLE" ]] && env_vars+=("GHOSTTY_SHELL_INTEGRATION_NO_TITLE=$GHOSTTY_SHELL_INTEGRATION_NO_TITLE")
# Normal SSH connection with Ghostty terminfo available
env "${env_vars[@]}" ssh "$@"
return 0
else
echo "Terminfo installation failed. Using basic integration." >&2
fi
fi
# Fallback to basic integration
_ghostty_ssh_basic "$@"
}
fi
# Some zsh users manually run `source ~/.zshrc` in order to apply rc file
# changes to the current shell. This is a terrible practice that breaks many