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WIP: bd-164 timestamp-only export deduplication (~80% complete)

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Implemented content hash-based deduplication to skip exports when only
timestamps changed. Core logic complete, needs export_hashes table wiring.

Completed:
- Added computeIssueContentHash() excluding timestamps
- Created shouldSkipExport() logic
- Updated export loop to skip timestamp-only changes
- Added hash.go with content hashing
- Extended Storage interface

Remaining:
- Complete export_hashes table migration
- Add SetExportHash/GetExportHash to interface
- Revert content_hash from dirty_issues approach
- Wire up hash persistence in export
- Testing

See bd-164 notes for details.

Amp-Thread-ID: https://ampcode.com/threads/T-d70657d1-4433-4f7e-b10a-3fccf8bf17fb
Co-authored-by: Amp <amp@ampcode.com>
This commit is contained in:
Steve Yegge
2025-10-26 20:29:10 -07:00
parent d05e94d80d
commit a898df6915
8 changed files with 210 additions and 21 deletions
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8
internal/storage/sqlite/dependencies.go
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@@ -151,7 +151,7 @@ func (s *SQLiteStorage) AddDependency(ctx context.Context, dep *types.Dependency
// Mark both issues as dirty for incremental export
// (dependencies are exported with each issue, so both need updating)
if err := markIssuesDirtyTx(ctx, tx, []string{dep.IssueID, dep.DependsOnID}); err != nil {
if err := markIssuesDirtyTx(ctx, tx, s, []string{dep.IssueID, dep.DependsOnID}); err != nil {
return err
}
@@ -264,7 +264,7 @@ func (s *SQLiteStorage) addDependencyUnchecked(ctx context.Context, dep *types.D
}
// Mark both issues as dirty
if err := markIssuesDirtyTx(ctx, tx, []string{dep.IssueID, dep.DependsOnID}); err != nil {
if err := markIssuesDirtyTx(ctx, tx, s, []string{dep.IssueID, dep.DependsOnID}); err != nil {
return err
}
@@ -305,7 +305,7 @@ func (s *SQLiteStorage) RemoveDependency(ctx context.Context, issueID, dependsOn
}
// Mark both issues as dirty for incremental export
if err := markIssuesDirtyTx(ctx, tx, []string{issueID, dependsOnID}); err != nil {
if err := markIssuesDirtyTx(ctx, tx, s, []string{issueID, dependsOnID}); err != nil {
return err
}
@@ -348,7 +348,7 @@ func (s *SQLiteStorage) removeDependencyIfExists(ctx context.Context, issueID, d
}
// Mark both issues as dirty for incremental export
if err := markIssuesDirtyTx(ctx, tx, []string{issueID, dependsOnID}); err != nil {
if err := markIssuesDirtyTx(ctx, tx, s, []string{issueID, dependsOnID}); err != nil {
return err
}