Add --top option to set release note alerts

.releasezri/template.md

@@ -1,3 +1,5 @@
+{RZ_TOP}
+
 ## What's new
 {RZ_CHANGELOG}
 

CHANGELOG.md

@@ -8,6 +8,10 @@ Wait!, you don't need to do this manually - use [ReleaseZri](https://github.com/
 
 ## Unreleased
 
+### Core: script
+- Add `RZ_TOP` template variable and set it via `--top=<content_mardown>`. This feature is helpful for adding
+important messages about releases. i.e, Nightly build warning.
+
 ## v1.2.0
 
 ### Core: script

scripts/rz.py

@@ -10,10 +10,16 @@
 CHANGELOG_FILE = './CHANGELOG.md'
 TMP_DIR = './.tmprz'
 RELEASE_NOTE_FILE = './.tmprz/release_notes.md'
-RZ_VERSION = '1.2.0'
+RZ_VERSION = '1.3.0'
 VERSION = ''
 VERSION_WITH_V = ''
 
+def get_cli_option_value(option):
+    for arg in sys.argv:
+        if option in arg:
+            return arg.split('=')[1]
+    return ''
+
 def apply_notes_to_template(note):
     md = ''
     today = datetime.today()
@@ -23,7 +29,9 @@ def apply_notes_to_template(note):
                 .replace('{RZ_VERSION}', VERSION) \
                 .replace('{RZ_DATE}', today.strftime('%Y-%m-%d')) \
                 .replace('{RZ_TIME}', today.strftime('%H:%M:%S')) \
-                .replace('{RZ_CHANGELOG}', note)
+                .replace('{RZ_CHANGELOG}', note) \
+                .replace('{RZ_TOP}', get_cli_option_value('--top')) \
+                .strip()
     return md
 
 def parse_release_note():