feat: improved host builder .funcignore support#3624
Merged
knative-prow[bot] merged 1 commit intoknative:mainfrom May 5, 2026
Merged
feat: improved host builder .funcignore support#3624knative-prow[bot] merged 1 commit intoknative:mainfrom
knative-prow[bot] merged 1 commit intoknative:mainfrom
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The host (OCI) builder walks the function root to build its data layer and applies a fixed defaultIgnored list (.git, .func, .funcignore, .gitignore). Workspace-specific directories outside that list — most commonly .jj/, which contains absolute symlinks to system sockets — trip validatedLinkTarget and make the build fail outright, with no way for the user to opt out. Read .funcignore (which the s2i builder already honors via a .s2iignore symlink) and append its patterns to defaultIgnored. Supports two pattern forms: /foo/bar root-relative; excludes that path and its descendants foo base-name; excludes any entry named 'foo' at any depth No attempt at full gitignore semantics (no globs, no negation); the goal is parity with the s2i builder and a working escape hatch for users with workspace metadata the walker can't handle.
Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #3624 +/- ##
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+ Coverage 55.61% 56.34% +0.73%
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Files 180 180
Lines 20549 20572 +23
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+ Hits 11429 11592 +163
+ Misses 7960 7778 -182
- Partials 1160 1202 +42
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gauron99
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May 5, 2026
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gauron99
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/lgtm
/approve
as a followup, if im understanding this correctly, I think it might be nice to have a concrete way of ignoring directories with an explicit "/" at the end like "dir/". Also I think we now support s2i and host but pack builder is still lacking this feature.
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The host (OCI) builder walks the function root to build its data layer and applies a fixed defaultIgnored list (.git, .func, .funcignore, .gitignore). Workspace-specific directories outside that list — most commonly .jj/, which contains absolute symlinks to system sockets — trip validatedLinkTarget and make the build fail, with no way for the user to opt out.
Fix is to read .funcignore (which the s2i builder already honors via a .s2iignore symlink) and append its patterns to defaultIgnored. Supports two pattern forms:
/foo/bar root-relative; excludes that path and its descendants
foo base-name; excludes any entry named 'foo' at any depth