Start pulling instructions out of RELEASE_CHECKLIST into scripts in reltools/ to semi-automate some of the release process.

reltools/gen_issues_closed.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+set -e -o pipefail
+
+RUNDIR=$(dirname "$0")
+. "${RUNDIR}/reltools.subr"
+
+NEXT_VER=$(get_next_relver)
+
+MOST_RECENT=$(ls ${RUNDIR}/../issues_closed*md | sort -V | tail -1)
+PREV=$(grep 'NOW=' "${MOST_RECENT}" | sed -e's/.*=//')
+NOW=$(date +%Y-%m-%d)
+set -x -v
+curl -v "https://api.github.com/search/issues?q=repo%3Ajson-c%2Fjson-c+closed%3A>${PREV}+created%3A<${NOW}&sort=created&order=asc&per_page=100&page=1" > issues1.out
+
+set -o noclobber
+NEW_FILE=issues_closed_for_${NEXT_VER}.md
+cat <<EOF > "${NEW_FILE}"
+This list was created with:
+\`\`\`
+# PREV=${PREV}
+# NOW=${NOW}
+./reltools/gen_issues_closed.sh
+\`\`\`
+
+EOF
+
+jq -r '.items[] | "[" + .title + "](" + .url + ")" | tostring' issues1.out >> "${NEW_FILE}"
+sed -e's,^\[ *\(.*\)\](https://api.github.com/.*/\([0-9].*\)),* [Issue #\2](https://github.com/json-c/json-c/issues/\2) - \1,' -i "${NEW_FILE}"
+echo "${NEW_FILE}"
+