upload-release.sh: script to upload releases

upload-release.sh

@@ -0,0 +1,48 @@
+#!/bin/sh
+SELF="$0"
+TAG="$1"
+TOKEN="$2"
+
+usage() {
+    printf "Usage: %s TAG TOKEN\n" "$SELF" >&2
+    exit 1
+}
+
+# check arguments
+test -e ".git/refs/tags/$TAG" || usage
+test -n "$TOKEN" || usage
+
+# file to store response from GitHub API
+JSON="./${TAG}-github-relase.js"
+
+# create a new release on GitHub
+set -x
+curl https://api.github.com/repos/kdudka/nss-pem/releases \
+    -o "$JSON" --fail --verbose \
+    --header "Authorization: token $TOKEN" \
+    --data '{
+    "tag_name": "'"$TAG"'",
+    "target_commitish": "master",
+    "name": "'"$TAG"'",
+    "draft": false,
+    "prerelease": false
+}' || exit $?
+
+# parse upload URL from the response
+UPLOAD_URL="$(grep '^ *"upload_url": "' "$JSON" \
+    | sed -e 's/^ *"upload_url": "//' -e 's/{.*}.*$//')"
+grep '^https://uploads.github.com/.*/assets$' <<< "$UPLOAD_URL" || exit $?
+
+# file to store the release tarball locally
+TAR_XZ="${TAG}.tar.xz"
+
+# export sources from the local git repository
+git archive --prefix="${TAG}/" --format="tar" "${TAG}" -- . \
+    | xz -c > "$TAR_XZ" \
+    || exit $?
+
+# upload the sources to GitHub download page
+curl "${UPLOAD_URL}?name=${TAR_XZ}" \
+    -T "$TAR_XZ" --fail --verbose \
+    --header "Authorization: token $TOKEN" \
+    --header 'Content-Type: application/x-xz'