update release process notes

release.md

@@ -1,3 +1,13 @@
+# Preparation
+
+1. Generage ABI change report from previous release tag to latest commit.
+   Ensure `PVXS_MINOR_VERSION` incrementes if not 100% (or if other ABI change
+   is known)
+
+```sh
+./abi-diff.sh A.A.A HEAD
+```
+
 # Release Process
 
 1. Check version number in `configure/CONFIG_PVXS_VERSION`
@@ -5,12 +15,65 @@
 3. Finalize section in `documentation/releasenotes.rst`
 4. Search/replace `UNRELEASED` tags in doxygen comments
 
-```
-git grep -l UNRELEASED */pvxs/*.h documentation/*.rst | xargs sed -i -e 's|UNRELEASED|0.0.0|g'
+```sh
+git grep -l UNRELEASED */pvxs/*.h documentation/*.rst | xargs sed -i -e 's|UNRELEASED|B.B.B|g'
 ```
 
 Don't change in `details.rst` and `releasenotes.rst`
 
+5. Create Git tag.
+
+```sh
+git tag -s -m B.B.B B.B.B
+```
+
+6. Generate ABI change report for upload
+
+```sh
+./abi-diff.sh A.A.A B.B.B
+```
+
+7. Generate test coverage report for upload
+
+```sh
+./coverage.sh B.B.B
+```
+
+8. Generate documentation and update `gh-pages` branch.
+
+```sh
+make
+make -C documentation clean
+make -C documentation commit
+```
+
+9. Push branches/tag (point of no return...)
+
+```sh
+git push origin B.B.B master +gh-pages
+```
+
+10. Verify GHA builds and pypi uploads
+
+```sh
+virtualenv /tmp/p4p-bin
+/tmp/p4p-bin/bin/pip install pvxslibs
+cd /tmp && /tmp/p4p-bin/bin/python -m nose2 -v pvxslibs nose2
+
+virtualenv /tmp/p4p-src
+/tmp/p4p-src/bin/pip install --no-binary epicscorelibs,pvxslibs pvxslibs nose2
+cd /tmp && /tmp/p4p-src/bin/python -m nose2 -v pvxslibs
+```
+
+
+11. Create github.com release B.B.B
+
+Summarize changes and attach coverage and ABI difference reports.
+
+12. Announce on tech-talk
+
+Reply to previous announcement mail.
+
 ## Post Release
 
 1. Update `configure/CONFIG_PVXS_VERSION`