Add pre-release support

Author: davegaeddert

CHANGELOG.md

@@ -11,6 +11,7 @@ Nothing right now.
 
 ## [1.3.0] - 2020-09-07
 
+- Added automatic pre-release detection
 - Added a `--limit` option to only sync recent versions by default in a GitHub Action
 - Added a `--remote-changelog` option so you don't have to have the CHANGELOG file (or cloned repo) to use changerelease
 
@@ -33,6 +34,7 @@ Adds a `tag_prefix` option so that tags don't have to start with a "v". You can
 The first release! Includes the `sync` command which will sync your `CHANGELOG.md` to GitHub Release notes.
 
 [Unreleased]: https://github.com/dropseed/changerelease/compare/v1.1.1...HEAD
+[1.3.0]: https://github.com/dropseed/changerelease/compare/v1.2.0...v1.3.0
 [1.2.0]: https://github.com/dropseed/changerelease/compare/v1.1.1...v1.2.0
 [1.1.1]: https://github.com/dropseed/changerelease/compare/v1.1.0...v1.1.1
 [1.1.0]: https://github.com/dropseed/changerelease/compare/v1.0.0...v1.1.0

changerelease/cli.py

@@ -70,12 +70,12 @@ def sync(
         versions = versions[:limit]
 
     for version in versions:
-        click.secho(f"\nSyncing version {version}", bold=True)
-        version_contents = cl.parse_version_content(version)
+        release = Release(repo, tag_prefix, version, requests_session)
+        suffix = " (pre-release)" if release.prerelease else ""
+        click.secho(f"\nSyncing version {release.version}{suffix}", bold=True)
 
+        version_contents = cl.parse_version_content(version)
         click.echo(f"{outline}\n{version_contents or '(empty)'}\n{outline}")
-
-        release = Release(repo, tag_prefix, version, requests_session)
         message, synced = release.sync(version_contents)
 
         click.secho(message, fg="green" if synced else "red")

changerelease/release.py

@@ -1,9 +1,13 @@
+import re
+
+
 class Release:
     def __init__(self, repo, tag_prefix, version, requests_session):
         self.repo = repo
         self.tag_prefix = tag_prefix
         self.version = version
         self.version_tag = tag_prefix + version
+        self.prerelease = bool(re.match("v?\d+\.\d+\.\d+-.+", self.version))
 
         self.requests_session = requests_session
 
@@ -40,7 +44,7 @@ def create(self, contents):
                 "tag_name": self.version_tag,
                 "name": self.version,
                 "body": contents,
-                # TODO prerelease if semver prerelease
+                "prerelease": self.prerelease,
             },
         )
         response.raise_for_status()