# woe betide the poor sod who does not use a gpg agent, so has
# to enter their password for every file...
+prog="$(basename "$0")"
+warn() { printf >&2 "%s: %s\n" "$prog" "$*" ; }
+
+: "${GPG_COMMAND:=gpg}"
+umask 022
+
+# We've always expected an explicit key for signing, instead of just using the
+# gnupg config. It make sense to honor the git config value. It makes sense
+# to honor env. But git doesn't allow specifying multiple subkeys, it only
+# passes one -u option.
+# UID specs explicitly allow whitespace in several formats.
+# We have one scalar value, we're sh, we're not going to try using an array.
+#
+# So if you want to sign with multiple subkeys, then set it up with multiple
+# local-user directives in ~/.gnupg/gpg.conf & set EXIM_KEY=default in environ.
+
if repo_signing_key="$(git config user.signingkey)"; then
: "${EXIM_KEY:=$repo_signing_key}"
else
- : "${EXIM_KEY:?Need a PGP key uid to sign with}"
+ if [ ".${EXIM_KEY:-}" = "." ]; then
+ warn "no EXIM_KEY found, trusting local gpg config"
+ fi
fi
-: "${GPG_COMMAND:=gpg}"
-umask 022
+case "${EXIM_KEY:-default}" in
+default|DEFAULT)
+ gpg_sign() { ${GPG_COMMAND} --detach-sig --armor "${1:?}" ; }
+ ;;
+*)
+ gpg_sign() { ${GPG_COMMAND} --local-user "${EXIM_KEY}" --detach-sig --armor "${1:?}" ; }
+ ;;
+esac
cd_to() { echo "Working in: $1"; cd "$1"; }
-okay=false
-if [ -d ../../release-process ] && [ "${PWD##*/}" = "pkgs" ]; then
- okay=true # we are in right dir
-elif [ -d release-process ]; then
- b="$(find . -maxdepth 1 -name 'exim-packaging-*' | sort | tail -n 1)"
- if [ ".$b" != "." ]; then
- cd_to "$b/pkgs"
- okay=true
- fi
-fi
-if ! $okay; then
+#okay=false
+#if [ -d ../../release-process ] && [ "${PWD##*/}" = "pkgs" ]; then
+# okay=true # we are in right dir
+#elif [ -d release-process ]; then
+# b="$(find . -maxdepth 1 -name 'exim-packaging-*' | sort | tail -n 1)"
+# if [ ".$b" != "." ]; then
+# cd_to "$b/pkgs"
+# okay=true
+# fi
+#fi
+#if ! $okay; then
if [ -d "${1:?need a directory to look in}" ]; then
cd_to "$1"
shift
printf "%s: %s\n" >&2 "$(basename "$0")" "where should I be looking"
exit 1
fi
-fi
+#fi
# Assumes no whitespace (strictly, $IFS) in filenames, which we're okay with
set $(find . -name '*.asc' -prune -o -type f -print | cut -c 3- | sort)
-
for FILE
do
echo "Signing: $FILE"
- ${GPG_COMMAND} --local-user "${EXIM_KEY}" --detach-sig --armor "$FILE"
+ gpg_sign "$FILE"
done