scripts/announce-release.sh: Truuncate long shortlog and diffstat

1 files changed, 28 insertions, 4 deletions

diff --git a/scripts/announce-release.sh b/scripts/announce-release.sh
index 4bb02b9..33fba1c 100755
--- a/scripts/announce-release.sh
+++ b/scripts/announce-release.sh
@@ -51,6 +51,32 @@ 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
@@ -87,13 +113,11 @@ message="$({ cat | sed 's/=/=3D/g; s/ $/=20/; s/\t$/=09/;'; } <<-EOF
 
 	$(heading "Shortlog of Changes Since Version ${old_version}")
 
-	$(git shortlog "${old_tag}..HEAD" | \
-		sed '/^..*$/s/^/    /')
+	${shortlog}
 
 	$(heading "Diffstat of Changes Since Version ${old_version}")
 
-	$(git diff --stat=69 --color=never --find-renames=50% \
-		"${old_tag}..HEAD" | sed 's/^/   /')
+	${diffstat}
 
 	-- 
 	${SIG}