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QtCS2016 Managing Qt Branches: Difference between revisions
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=Managing Qt's Branches= | |||
Number of existing branches (5.6LTS, 5.7.,5.8 dev) causes a number of problems | Number of existing branches (5.6LTS, 5.7.,5.8 dev) causes a number of problems | ||
| Line 6: | Line 6: | ||
* Hard to manage for individual developers | * Hard to manage for individual developers | ||
==Branches== | |||
* Close 5.7 after 5.7.1. We then have LTS, stable, dev. | * Close 5.7 after 5.7.1. We then have LTS, stable, dev. | ||
* After 5.7 is closed and sanity bot is upgraded (to handle cherry-picking), go into cherrypicking mode for 5.6 | * After 5.7 is closed and sanity bot is upgraded (to handle cherry-picking), go into cherrypicking mode for 5.6. Developer is responsible for doing the cherrypicking | ||
* Cherry-picking technicalities need to be figured out: Let sanity bot verify source ("cherrypicked from") the SHA1 | * Cherry-picking technicalities need to be figured out: Let sanity bot verify source ("cherrypicked from") the SHA1 | ||
* In the future, exact time for closing stable branches will be discussed for each one individually | * In the future, exact time for closing stable branches will be discussed for each one individually | ||
==Submit Policy== | |||
Target which branch? | Target which branch? | ||
===Long Term Support (5.6) Branch=== | |||
Initially equal to stable, increasingly strict over time: Fix only severe issues, avoid regressions. | Initially equal to stable, increasingly strict over time: Fix only severe issues, avoid regressions. | ||
* Bugs: For example, P2 for the first year, P1 for year 2, rest Security. Try to further objectify that: Jedrzei + Friedemann | |||
* Tests: Fix/stabilize tests itself, add tests | |||
* No performance improvements unless really significant (relevant/reduces O(n)) | |||
* Upgrading 3rd party (including WebEngine) | |||
* Support new OS versions unless introducing new platforms, no rewrite of QPA | |||
* No cleanups, positively: -> dev | |||
To aid customers with issues, patches for issues in LTS to be locally applied can be provided, but the fixes will be pushed to higher versions of Qt. | To aid customers with issues, patches for issues in LTS to be locally applied can be provided, but the fixes will be pushed to higher versions of Qt. | ||
Revision as of 10:53, 5 September 2016
Managing Qt's Branches
Number of existing branches (5.6LTS, 5.7.,5.8 dev) causes a number of problems
- Strain on COIN which also has release branches
- Merging becomes increasingly difficult
- Hard to manage for individual developers
Branches
- Close 5.7 after 5.7.1. We then have LTS, stable, dev.
- After 5.7 is closed and sanity bot is upgraded (to handle cherry-picking), go into cherrypicking mode for 5.6. Developer is responsible for doing the cherrypicking
- Cherry-picking technicalities need to be figured out: Let sanity bot verify source ("cherrypicked from") the SHA1
- In the future, exact time for closing stable branches will be discussed for each one individually
Submit Policy
Target which branch?
Long Term Support (5.6) Branch
Initially equal to stable, increasingly strict over time: Fix only severe issues, avoid regressions.
- Bugs: For example, P2 for the first year, P1 for year 2, rest Security. Try to further objectify that: Jedrzei + Friedemann
- Tests: Fix/stabilize tests itself, add tests
- No performance improvements unless really significant (relevant/reduces O(n))
- Upgrading 3rd party (including WebEngine)
- Support new OS versions unless introducing new platforms, no rewrite of QPA
- No cleanups, positively: -> dev
To aid customers with issues, patches for issues in LTS to be locally applied can be provided, but the fixes will be pushed to higher versions of Qt.