chore(changelog): Cleanup changelog and exclude non-standard releases (#2203)

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

hack/changelog.sh

@@ -5,5 +5,10 @@ set -e
 
 DIR=$(realpath $(dirname "$0"))/../
 export GITHUB_TOKEN=$(cat ~/.github-token)
-github_changelog_generator -u fission -p fission -t "${GITHUB_TOKEN}" --no-issues -o tmp_CHANGELOG.md
+# ignore_tags lists tags which we dont want to include in the changelog
+# and non standard releases
+exclude_tags=$(tr '\n' ',' < hack/ignore_tags | sed 's/,$/\n/')
+github_changelog_generator -u fission -p fission -t "${GITHUB_TOKEN}" \
+    --no-issues --exclude-labels "no-changelog" -o tmp_CHANGELOG.md \
+    --exclude-tags $exclude_tags
 mv tmp_CHANGELOG.md "${DIR}"/CHANGELOG.md

hack/ignore_tags

@@ -0,0 +1,33 @@
+v1.14.1
+v1.14.0
+v1.13.1
+v1.13.0
+v1.12.0
+v1.11.2
+v1.11.1
+v1.11.0
+v1.10.0
+v1.9.0
+v1.8.0
+v1.7.1
+v1.7.0
+1.7.0-rc.2
+v1.7.0-rc.2
+1.7.0-rc.1
+v1.7.0-rc.1
+v1.6.0
+1.0-rc2
+1.0-rc1
+latest
+0.4.0rc
+0.3.0-rc
+buildmgr-preview-20170922
+buildmgr-preview-20170921
+v0.2.1
+v0.2.1-rc2
+v0.2.1-rc
+v0.2.0-20170901
+nightly20170705
+nightly20170621
+alpha20170124
+kubecon