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fix(name): preserve localhost registry references by rohan-patnaik · Pull Request #2316 · google/go-containerregistry · GitHub
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fix(name): preserve localhost registry references - #2316

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Subserial merged 2 commits into
google:mainfrom
rohan-patnaik:fix-localhost-repository-defaulting
Jun 2, 2026
Merged

Subserial merged 2 commits into
google:mainfrom
rohan-patnaik:fix-localhost-repository-defaulting

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@rohan-patnaik

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Fixes #2048

Summary

This treats localhost/... as an explicit registry reference when parsing image names.

Why

Podman tags local images as localhost/name:tag. Before this change, localhost/testimage:mytag was parsed as a Docker Hub repository and became index.docker.io/library/testimage:mytag, so daemon lookups failed with “image not known”.

Test plan

  • go test ./pkg/name
  • git diff --check

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 57.03%. Comparing base (e4a7895) to head (131b422).

Additional details and impacted files
@@           Coverage Diff           @@
##             main    #2316   +/-   ##
=======================================
  Coverage   57.02%   57.03%           
=======================================
  Files         166      166           
  Lines       11398    11399    +1     
=======================================
+ Hits         6500     6501    +1     
  Misses       4131     4131           
  Partials      767      767           

☔ View full report in Codecov by Sentry.
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@Subserial
Subserial merged commit 4b7672c into google:main Jun 2, 2026
22 of 23 checks passed
social4hyq pushed a commit to social4hyq/homebrew-core that referenced this pull request Sep 20, 2026
crane 0.21.7

Created-by: HarmonybrewBot
Commit-by: HarmonybrewBot
Merged-by: HarmonybrewBot
Description: Created by `brew bump`

---

Created with `brew bump-formula-pr`.<details>
  <summary>release notes</summary>
  <pre>## What's Changed
* tarball: return error instead of panicking on missing rootfs.diff_ids by @iahsanGill in google/go-containerregistry#2304
* gcrane: honor --platform flag in copy by @iahsanGill in google/go-containerregistry#2307
* mutate: verify layer digests in Extract and Time by @momenashrafff in google/go-containerregistry#2303
* tarball: close layer readers during Write by @nandbhat in google/go-containerregistry#2308
* build(deps): bump the actions group across 1 directory with 2 updates by @dependabot[bot] in google/go-containerregistry#2311
* build(deps): bump github.com/docker/cli from 29.4.3+incompatible to 29.5.2+incompatible in the go-deps group across 1 directory by @dependabot[bot] in google/go-containerregistry#2312
* BUGFIX: Fail with error when read exceeds maximum by @inteon in google/go-containerregistry#2328
* build(deps): bump the actions group across 1 directory with 2 updates by @dependabot[bot] in google/go-containerregistry#2327
* fix(name): anchor loopback registry detection by @rohan-patnaik in google/go-containerregistry#2314
* Reject symlinks in OCI layout blobs by @mosskappa in google/go-containerregistry#2306
* fix(crane): avoid creating export tar on pull failure by @Haihan-Jiang in google/go-containerregistry#2318
* feat(kubernetes): allow ignoring pull secrets by @rohan-patnaik in google/go-containerregistry#2315
* fix(name): preserve localhost registry references by @rohan-patnaik in google/go-containerregistry#2316
* pkg/registry: export ErrNotFound by @malt3 in google/go-containerregistry#2176
* pkg/registry: export RedirectError by @malt3 in google/go-containerregistry#2177
* build(deps): bump the go-deps group across 1 directory with 2 updates by @dependabot[bot] in google/go-containerregistry#2343
* build(deps): bump the actions group across 1 directory with 2 updates by @dependabot[bot] in google/go-containerregistry#2344
* fix: prevent SSRF in google.List() pagination by @tufstraka in google/go-containerregistry#2332
* internal/gzip: fix goroutine leak in ReadCloserLevel by @amarkdotdev in google/go-containerregistry#2347
* fix(transport): apply refreshed bearer token after cross-host redirect by @64johnlee in google/go-containerregistry#2337
* build(deps): bump the go-deps group across 3 directories with 4 updates by @dependabot[bot] in google/go-containerregistry#2348
* fix(tarball): normalize paths when matching files by @bstoll in google/go-containerregistry#2334
* transport: do not re-attach bearer token after cross-host redirect by @evilgensec in google/go-containerregistry#2349
* Bump CI go version to 1.26.4 by @Subserial in google/go-containerregistry#2350

## New Contributors
* @momenashrafff made their first contribution in google/go-containerregistry#2303
* @nandbhat made their first contribution in google/go-containerregistry#2308
* @inteon made their first contribution in google/go-containerregistry#2328
* @rohan-patnaik made their first contribution in google/go-containerregistry#2314
* @mosskappa made their first contribution in google/go-containerregistry#2306
* @Haihan-Jiang made their first contribution in google/go-containerregistry#2318
* @tufstraka made their first contribution in google/go-containerregistry#2332
* @amarkdotdev made their first contribution in google/go-containerregistry#2347
* @64johnlee made their first contribution in google/go-containerregistry#2337
* @bstoll made their first contribution in google/go-containerregistry#2334

**Full Changelog**: https://github.com/google/go-containerregistry/compare/v0.21.6...v0.21.7</pre>
  <p>View the full release notes at <a href="https://github.com/google/go-containerregistry/releases/tag/v0.21.7">https://github.com/google/go-containerregistry/releases/tag/v0.21.7</a>.</p>
</details>
<hr>

See merge request: Harmonybrew/homebrew-core!11861
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ggcr: registry on localhost is defaulted to docker.io - image not known when accessing image

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