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skel/dotfiles/zshrc.d/gpg.zsh
David Tomaschik 4743b635aa Update zshrc.d
2025-06-10 09:07:56 -07:00

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if ! which gpg-agent >/dev/null 2>&1 ; then
return 1
fi
if test -f ${HOME}/.no-gpg-agent ; then
return 0
fi
# Set the default paths to gpg-agent files.
_gpg_agent_conf="${GNUPGHOME:-$HOME/.gnupg}/gpg-agent.conf"
_gpg_agent_env="${TMPDIR:-/tmp}/gpg-agent.env.$UID"
# Load environment variables from previous run
source "$_gpg_agent_env" 2> /dev/null
# Start gpg-agent if not started.
if [[ -z "$GPG_AGENT_INFO" && ! -S "${GNUPGHOME:-$HOME/.gnupg}/S.gpg-agent" ]]; then
# Start gpg-agent if not started.
if ! ps -U "$LOGNAME" -o pid,ucomm | grep -q -- "${${${(s.:.)GPG_AGENT_INFO}[2]}:--1} gpg-agent"; then
eval "$(gpg-agent --daemon 2>/dev/null | tee "$_gpg_agent_env")"
fi
fi
# Inform gpg-agent of the current TTY for user prompts.
export GPG_TTY="$(tty)"
# Setup SSH agent support
if grep -q '^enable-ssh-support' "$_gpg_agent_conf" &> /dev/null; then
# Load required functions.
autoload -Uz add-zsh-hook
if test -z "$SSH_AUTH_SOCK" ; then
SSH_AUTH_SOCK="/run/user/$(id -u)/gnupg/S.gpg-agent.ssh"
if test -S "$SSH_AUTH_SOCK" ; then
export SSH_AUTH_SOCK
else
unset SSH_AUTH_SOCK
fi
fi
# Updates the GPG-Agent TTY before every command since SSH does not set it.
function _gpg-agent-update-tty {
gpg-connect-agent UPDATESTARTUPTTY /bye >/dev/null
}
add-zsh-hook preexec _gpg-agent-update-tty
fi
# Clean up.
unset _gpg_agent_{conf,env}
# Disable GUI prompts inside SSH.
if [[ -n "$SSH_CONNECTION" ]]; then
export PINENTRY_USER_DATA='USE_CURSES=1'
fi