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#!/usr/bin/env bash
set -o errexit
set -o nounset
set -o pipefail
# Load SSH keys from gopass password store
export GNUPGHOME="${GNUPGHOME:-$HOME/.local/share/gnupg}"
SSH_AUTH_SOCK="$(gpgconf --list-dirs agent-ssh-socket)"
export SSH_AUTH_SOCK
if [ -z "$SSH_AUTH_SOCK" ] || [ ! -S "$SSH_AUTH_SOCK" ]; then
echo "Error: SSH_AUTH_SOCK is not set or valid." >&2
exit 1
fi
if ssh-add -l 2>/dev/null | grep -qE "(ED25519|RSA|ECDSA)"; then
exit 0
fi
# GOPASS_SSH_KEYS holds a space-separated list of gopass entry names under ssh
if [ -z "${GOPASS_SSH_KEYS:-}" ]; then
echo "Error: GOPASS_SSH_KEYS is not set. Example: GOPASS_SSH_KEYS=\"github gitlab\"" >&2
exit 1
fi
# shellcheck disable=SC2086
read -r -a keys <<< "$GOPASS_SSH_KEYS"
for key in "${keys[@]}"; do
if gopass cat "ssh/$key" > /dev/null 2>&1; then
tmpdir=$(mktemp -d)
keyfile="$tmpdir/key"
gopass cat "ssh/$key" > "$keyfile" 2>/dev/null
chmod 600 "$keyfile"
passphrase=$(gopass cat "ssh/$key/passphrase" 2>/dev/null || true)
if [ -n "$passphrase" ]; then
ssh-keygen -p -P "$passphrase" -N "" -f "$keyfile" 2>/dev/null
fi
ssh-add "$keyfile" 2>/dev/null
rm -rf "$tmpdir"
else
echo "Warning: no gopass entry ssh/$key" >&2
fi
done
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