X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/00f7a87b04290db615ec29584e0554928fca81c7..518f0a0dd6df6f0d0ea51bfa126982d134e7a7ff:/release-process/scripts/sign_exim_packages

diff --git a/release-process/scripts/sign_exim_packages b/release-process/scripts/sign_exim_packages
index bd02d1183..e76840996 100755
--- a/release-process/scripts/sign_exim_packages
+++ b/release-process/scripts/sign_exim_packages
@@ -12,28 +12,52 @@
 # 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
@@ -41,13 +65,12 @@ if ! $okay; then
 		printf "%s: %s\n" >&2 "$(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