From ec8b1f28fbe914a298a4a2bf18fcd6486c04a1ed Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Wed, 10 Apr 2019 20:56:00 -0400
Subject: scripts/announce-release.sh: Update with opkbuild

c3805f3 scripts/announce-release.sh: Lengthen short lines
9c0775b scripts/announce-release.sh: Fix trailing "\"
7b6372d scripts/announce-release.sh: Truuncate long shortlog and diffstat
d9ae96f scripts/announce-release.sh: Quote-printable globally
4cf7edf scripts/announce-release.sh: Escape heading lines for quoted-printable
44a9b28 scripts/announce-release.sh: Fix old tag retrieval
3236236 scripts/announce-release.sh: Parameterize from/to info
7bf35fb scripts/announce-release.sh: Sign message
204bc01 scripts/announce-release.sh: Add Message-ID
ee6f045 scripts/announce-release.sh: Terminate lines with \r\n
619f64a scripts/announce-release.sh: Move message to var
c5457f9 scripts/announce-release.sh: Drop tag format assumption
fcdbdbb scripts/announce-release.sh: Update "From" header
7c82eab scripts/announce-release.sh: Update e-mail address and signature
---
diff --git a/scripts/announce-release.sh b/scripts/announce-release.sh
index a166378..f27e0cb 100755
--- a/scripts/announce-release.sh
+++ b/scripts/announce-release.sh
@@ -1,10 +1,31 @@
 #!/bin/sh
 
+FROM_NAME='Patrick McDermott'
+FROM_EMAIL='patrick.mcdermott@libiquity.com'
+SIG="$(cat <<-EOF
+	Patrick McDermott, CEO
+	Libiquity
+	Putting customers in control of high-quality technologies
+	http://www.libiquity.com/
+	EOF
+	)"
+KEY='2250 31F0 47FF E516 63ED  516F 1A45 9ECD E4D6 04BE'
+TO_EMAIL='proteanos-dev@lists.proteanos.com'
+
 package="${1}"
 version="${2}"
 package_name="${3}"
 srcdir="${0%/scripts/announce-release.sh}"
 
+heading()
+{
+	local name="${1}"
+	shift 1
+
+	printf '%s\n' "${name}"
+	printf '%s\n' "${name}" | sed 's/./=/g'
+}
+
 about="$(sed -n '
 	H;
 	${
@@ -26,23 +47,45 @@ news="$(sed -n '
 	' "${srcdir}/NEWS")"
 old_version="$(sed -n "/^${package_name} version /p;" "${srcdir}/NEWS" | \
 	sed -n "2{ s/^${package_name} version //p; };")"
+old_tag="$(git tag --sort=creatordate | tail -n 2 | head -n 1)"
 
 export GIT_DIR="${srcdir}/.git"
 
-/usr/sbin/sendmail \
-	-f pj+proteanos-ml@pehjota.net proteanos-dev@lists.proteanos.com <<-EOF
-	Date: $(LC_ALL='POSIX' date '+%a, %d %b %Y %H:%M:%S %z')
-	From: "Patrick 'P. J.' McDermott" <pj+proteanos-ml@pehjota.net>
-	To: proteanos-dev@lists.proteanos.com
-	Subject: ${package_name} ${version} released
+shortlog="$(git shortlog "${old_tag}..HEAD" | \
+	sed '/^..*$/s/^//')"
+if [ $(printf '%s\n' "${shortlog}" | wc -l) -gt 100 ]; then
+	shortlog="$(git shortlog -s "${old_tag}..HEAD"; cat <<-EOF
+
+	Commit descriptions suppressed for brevity.  To see a log summary with
+	descriptions, run:
+
+	    \$ git shortlog ${old_tag}..${package}/${version}
+	EOF
+	)"
+fi
+diffstat="$(git diff --stat=72 --color=never --find-renames=50% \
+	"${old_tag}..HEAD")"
+if [ $(printf '%s\n' "${diffstat}" | wc -l) -gt 50 ]; then
+	diffstat="$(printf '%s\n' "${diffstat}" | tail -n 1; cat <<-EOF
+
+	Difference statistics truncated for brevity.  To see full statistics,
+	run:
+
+	    \$ git diff --stat --find-renames=50% \\
+	    > ${old_tag}..${package}/${version}
+	EOF
+	)"
+fi
 
-	About
-	=====
+message="$({ cat | sed 's/=/=3D/g; s/ $/=20/; s/\t$/=09/;'; } <<-EOF
+	Content-Type: text/plain; charset=UTF-8
+	Content-Transfer-Encoding: quoted-printable
+
+	$(heading 'About')
 
 	${about}
 
-	Downloading
-	===========
+	$(heading 'Downloading')
 
 	Source archives are available from the files site by HTTP or FTP:
 
@@ -64,27 +107,45 @@ export GIT_DIR="${srcdir}/.git"
 
 	This release is marked by the "${package}/${version}" tag.
 
-	NEWS for Version ${version}
-	=================$(printf '%s\n' "${version}" | sed 's/./=/g')
+	$(heading "NEWS for Version ${version}")
 
 	${news}
 
-	Shortlog of Changes Since Version ${old_version}
-	==================================$(printf '%s\n' "${old_version}" | \
-		sed 's/./=/g')
+	$(heading "Shortlog of Changes Since Version ${old_version}")
+
+	${shortlog}
+
+	$(heading "Diffstat of Changes Since Version ${old_version}")
+
+	${diffstat}
+
+	-- 
+	${SIG}
+	EOF
+	)"
+
+{ sed 's/$/\r/' | /usr/sbin/sendmail -f "${FROM_EMAIL}" \
+	"${TO_EMAIL}"; } <<-EOF
+	Date: $(LC_ALL='POSIX' date '+%a, %d %b %Y %H:%M:%S %z')
+	From: ${FROM_NAME} <${FROM_EMAIL}>
+	To: ${TO_EMAIL}
+	Subject: ${package_name} ${version} released
+	Message-ID: $(LC_ALL='POSIX' date \
+		'+%Y%m%d%H%M%S').${FROM_EMAIL}
+	MIME-Version: 1.0
+	Content-Type: multipart/signed; micalg=pgp-sha256; boundary="=-=-=";
+	 protocol="application/pgp-signature"
 
-	$(git shortlog "${package}/${old_version}..HEAD" | \
-		sed '/^..*$/s/^/    /')
+	--=-=-=
+	${message}
 
-	Diffstat of Changes Since Version ${old_version}
-	==================================$(printf '%s\n' "${old_version}" | \
-		sed 's/./=/g')
+	--=-=-=
+	Content-Type: application/pgp-signature
+	Content-Description: OpenPGP digital signature
 
-	$(git diff --stat=69 --color=never --find-renames=50% \
-		"${package}/${old_version}..HEAD" | sed 's/^/   /')
+	$(printf '%s\n' "${message}" | sed 's/$/\r/' | \
+		gpg --local-user "${KEY}" --armor --output - \
+		--digest-algo SHA256 --detach-sign)
 
-	-- $(: Just something to follow the trailing space)
-	Patrick "P. J." McDermott:  http://www.pehjota.net/
-	Lead Developer, ProteanOS:  http://www.proteanos.com/
-	Founder and CEO, Libiquity: http://www.libiquity.com/
+	--=-=-=--
 	EOF
--
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