push-tag file added.

scripts/push-tag.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+
+function pretty() {
+  local blue="\033[34m"
+  local reset="\033[0m"
+  while read line; do
+    echo -e "${blue}[publishing]${reset} ${line}"
+  done
+}
+
+function warn() {
+  local orange="\033[33m"
+  local reset="\033[0m"
+  while read line; do
+    echo -e "${orange}[warning]${reset} ${line}"
+  done
+}
+
+function get_sha(){
+    REF=$(git log -n 1 -- VERSION --name-only)
+    SHA=$(echo $REF | awk '{ print $2 }')
+
+    echo "checking out ${SHA}" | pretty
+
+    git checkout $SHA
+}
+
+function get_version(){
+    VERSION=$(python setup.py --version)
+    echo "latest version is ${VERSION}" | pretty
+}
+
+function push_tag_or_die(){
+    TAG_EXISTS=$(git tag | grep -G "^${VERSION}$")
+    if [ "$TAG_EXISTS" ]; then
+        echo "Tag already exists, exiting" | warn
+        exit 0
+    else
+        push_tag $VERSION
+    fi
+}
+
+function push_tag(){
+    git tag -a $VERSION -m "Version tag for ${VERSION}"
+    echo "Pushing tags to github ${VERSION} to Github" | pretty
+    git push origin --tags
+}
+
+function main(){
+    get_sha
+    get_version
+    push_tag_or_die
+}
+
+main