Use hardlinks in the build directory
Metadata
Current evaluation
Hardlink-based build copies were added, with Python 3.5 support and relative symlink handling, in commit 90f844cf.
Resolution: closed resolved
Reason: Commit 90f844cf implemented hardlinked build copies and relative symlink handling, closing the requested behavior.
Evaluated by: mr-cal-bot
No scores available.
Issue body
Actually, we should emulate `cp -al`:
- use hard links
- preserve permissions bits, mode, attributes, flags, etc
- preserve original symlinks (so "hooks" will look as they should, for example)
- do not dereference (never follow symbolic links in what we're linking to)
- copy directories recursively
As a side effect of this, we're able to allow symlinks in the zip file (not "copying contents" for everything!).
This will result in a build directory as close as possible to what would be found later when the package charm is unzipped.
Evaluation history
| Date | Model | Scores | Action | Summary |
|---|---|---|---|---|
| stealth/space-bunny-alpha | — | closed resolved | Hardlink-based build copies were added, with Python 3.5 support and relative symlink handling, in commit 90f844cf. | |
| stealth/space-bunny-alpha | — | closed resolved | Hardlink-based build copies were added to Charmcraft in commit 90f844cf, including support for Python 3.5 and relative symlinks. | |
| stealth/space-bunny-alpha | — | closed superseded | Hardlinked builds and preserved symlinks were implemented through canonical/charmcraft#27; directory permission and attribute preservation remained incomplete. | |
| qwen/qwen3.6-35b-a3b | — | — | Merged into PR #27 to implement hardlinks and symlink preservation, enabling direct charm deployment. Directory permission preservation remains incomplete. | |
| qwen/qwen3.6-35b-a3b | — | — | Superseded by PR #27, which merged hardlink-based build directory creation to preserve symlinks and resolve deployment errors. Full permission preservation for directories remains incomplete. | |
| qwen/qwen3.6-35b-a3b | — | — | Superseded by PR #27, which implemented hardlink-based copying and symlink preservation to match charm package structure. Directory permission and attribute preservation was noted as incomplete. | |
| qwen3.6-35b-a3b-mtp-q6 | — | — | The proposal to use hardlinks emulating cp -al was implemented in PR #27 and merged. This enables symlink support and fixes deployment errors, though preserving directory permissions and attributes remains incomplete. |
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