summaryrefslogtreecommitdiffstats
path: root/scripts/announce-release.sh
blob: f27e0cbc026aca7cf48bce861d948ea763bf6335 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
#!/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;
	${
		g;
		s/^\n*[^\n][^\n]*\n[=-][=-]*\n\n*//;
		s/\n*[^\n][^\n]*\n[=-][=-]*\n.*$//;
		p;
	};
	' "${srcdir}/README")"
news="$(sed -n '
	H;
	${
		g;
		s/^\n*[^\n][^\n]*\n[=-][=-]*\n\n*//;
		s/^Released: [^\n]*\n\n*//;
		s/\n*[^\n][^\n]*\n[=-][=-]*\n.*$//;
		p;
	};
	' "${srcdir}/NEWS")"
old_version="$(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"

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

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}

	$(heading 'Downloading')

	Source archives are available from the files site by HTTP or FTP:

	    http://files.proteanos.com/pub/${package}/${version}/
	    ftp://files.proteanos.com/pub/${package}/${version}/

	Here are the MD5 checksums:

	$(sed 's/^/    /' MD5SUMS)

	Here are the SHA-256 checksums:

	$(sed 's/^/    /' SHA256SUMS)

	The sources are maintained in a Git repository:

	    http://git.proteanos.com/${package}/${package}.git/
	    git://git.proteanos.com/${package}/${package}.git/

	This release is marked by the "${package}/${version}" tag.

	$(heading "NEWS for Version ${version}")

	${news}

	$(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"

	--=-=-=
	${message}

	--=-=-=
	Content-Type: application/pgp-signature
	Content-Description: OpenPGP digital signature

	$(printf '%s\n' "${message}" | sed 's/$/\r/' | \
		gpg --local-user "${KEY}" --armor --output - \
		--digest-algo SHA256 --detach-sign)

	--=-=-=--
	EOF