* bump helm version to v3.20.0 and v4.1.0

Updated Helm versions in CI workflow and go.mod dependencies:
- .github/workflows/go.yml: v3.19.2->v3.20.0, v4.0.0->v4.1.0
- go.mod: helm.sh/helm/[email protected], helm.sh/helm/[email protected]
- Updated prerequisite documentation to reflect v4.1.0
- Transitive dependencies auto-updated

Signed-off-by: yxxhero <[email protected]>

* format: fix alignment in jsonPatch struct definition

Signed-off-by: yxxhero <[email protected]>

* test: update snapshot for kube_version_and_api_versions test

Updated test snapshot to reflect Kubernetes API version changes in k8s.io/client-go v0.35.0:
- Added networking.k8s.io/v1alpha1
- Shifted networking, node, policy, rbac authorization API versions
- Updated to match current Kubernetes API set from k8s.io 0.35.0

Signed-off-by: yxxhero <[email protected]>

* test: update snapshot for helm v4.1.0 compatibility

Updated snapshot to match Helm v4.1.0 API version changes:
- Changed storagemigration.k8s.io/v1alpha1 to v1beta1
- Added networking.k8s.io/v1alpha1
- Adjusted API version numbering to match k8s.io/client-go v0.35.0

Signed-off-by: yxxhero <[email protected]>

* Revert snapshot to v3.20.0 compatibility

Reverted snapshot to match Helm v3.20.0 output by removing networking.k8s.io/v1alpha1.
This allows both Helm v3.20.0 and v4.1.0 tests to pass since v3.20.0 doesn't output this API version.

Signed-off-by: yxxhero <[email protected]>

* test: add version-specific snapshot support for Helm v3 and v4

Added getHelmVersion() function to detect Helm version at runtime
Modified kube_version_and_api_versions test to use different snapshot files:
- Helm v3 (v3.20.0): uses kube_version_and_api_versions_helm3/want
- Helm v4 (v4.1.0): uses kube_version_and_api_versions_helm4/want

This allows both Helm versions to pass their respective tests with expected API versions.

Signed-off-by: yxxhero <[email protected]>

* test: fix version detection for snapshot files

Fixed syntax errors and properly implemented Helm version detection:
- Simplified getHelmVersion() function to return version string
- Modified snapshot file selection logic to check tc.description
- Only for 'kube_version_and_api_versions' test, selects helm3 or helm4 snapshot directory based on version
- Uses strings.HasPrefix() to detect v4.x vs v3.x

This allows both Helm v3.20.0 and v4.1.0 tests to pass with their respective snapshots.

Signed-off-by: yxxhero <[email protected]>

* test: fix helm3 snapshot to match v3.20.0 output

Fixed snapshot to match Helm v3.20.0 actual output from CI:
- Updated API version numbering to match v3.20.0 output
- Removed missing API versions that v3.20.0 doesn't output
- Ensured storagemigration.k8s.io/v1beta1 is present

Signed-off-by: yxxhero <[email protected]>

* test: fix helm4 snapshot to match v4.1.0 output

Fixed kube_version_and_api_versions_helm4/want to match Helm v4.1.0 actual CI output:
- Added duplicate networking.k8s.io/v1 entry at apiVersion36
- Adjusted all subsequent API version numbering
- This matches the v4.1.0 output which includes the duplicate networking entry

Signed-off-by: yxxhero <[email protected]>

* test: remove unused old snapshot file

Removed testdata/integration/testcases/kube_version_and_api_versions/want as it is no longer used.
Version-specific snapshots are now used:
- kube_version_and_api_versions_helm3/want for Helm v3
- kube_version_and_api_versions_helm4/want for Helm v4

Signed-off-by: yxxhero <[email protected]>

* test: fix helm3 snapshot to match v3.20.0 CI output

Fixed helm3 snapshot to include duplicate networking.k8s.io/v1 entry:
- Added duplicate networking.k8s.io/v1 at apiVersion35
- This matches Helm v3.20.0 actual CI output
- Both v3.20.0 and v4.1.0 tests should now pass

Signed-off-by: yxxhero <[email protected]>

* test: fix helm4 snapshot to exact v4.1.0 output

Fixed helm4 snapshot to match exact v4.1.0 expected output:
- Removed extra entries (only kept apiVersion0-59)
- Now has exactly 60 lines matching expected v4.1.0 CI output

Signed-off-by: yxxhero <[email protected]>

* test: fix helm3 snapshot to exactly 60 lines

Updated helm3 snapshot to match expected 60-line structure:
- Ensured exactly apiVersion0-59 (60 lines total)
- Removed extra entries beyond apiVersion59
- This matches expected v3.20.0 output format

Signed-off-by: yxxhero <[email protected]>

* test: remove duplicate entries from helm4 snapshot

Fixed both helm3 and helm4 snapshots to remove incorrect duplicate entries:
- Removed extra networking.k8s.io/v1 duplicates
- Ensured consistent structure with 60 lines (apiVersion0-59)
- Both snapshots now match expected output format

Signed-off-by: yxxhero <[email protected]>

* test: simplify Helm version detection logic

Refactored snapshot file path logic to be more elegant:
- Added getSnapshotFilePath() helper function to reduce nesting
- Uses helper function instead of nested if-else statements
- Cleaner and more maintainable code structure

Signed-off-by: yxxhero <[email protected]>

* test: fix helm4 snapshot to match v4.1.0 expected output

Removed extra apiVersion29 entry from helm4 snapshot:
- Expected output has 60 lines (apiVersion0-59)
- Removed duplicate extensions.k8s.io/v1beta1 entry
- Now matches expected v4.1.0 CI output format

Signed-off-by: yxxhero <[email protected]>

* test: remove unused getHelmVersion function

Removed unused getHelmVersion function:
- Function was replaced by getSnapshotFilePath()
- getSnapshotFilePath() now handles version detection internally
- Cleaner code without unused helper

Signed-off-by: yxxhero <[email protected]>

* fix tests

Signed-off-by: yxxhero <[email protected]>

* fix tests

Signed-off-by: yxxhero <[email protected]>

---------

Signed-off-by: yxxhero <[email protected]>

Fixes #65 - Add build targets to Makefile and Installation section to README
with build instructions, prerequisites, and usage examples.

Signed-off-by: yxxhero <[email protected]>

Bumps [helm.sh/helm/v4](https://github.com/helm/helm) from 4.1.0 to 4.1.1.
- [Release notes](https://github.com/helm/helm/releases)
- [Commits](helm/helm@v4.1.0...v4.1.1)

---
updated-dependencies:
- dependency-name: helm.sh/helm/v4
  dependency-version: 4.1.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Bumps [helm.sh/helm/v3](https://github.com/helm/helm) from 3.20.0 to 3.20.1.
- [Release notes](https://github.com/helm/helm/releases)
- [Commits](helm/helm@v3.20.0...v3.20.1)

---
updated-dependencies:
- dependency-name: helm.sh/helm/v3
  dependency-version: 3.20.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

The character ":" is invalid for filesystem paths.  This change will ensure that temp directories created for OCI repositories do not contain invalid syntax.

Signed-off-by: Matt Cockrell <[email protected]>

Bumps [helm.sh/helm/v4](https://github.com/helm/helm) from 4.1.1 to 4.1.3.
- [Release notes](https://github.com/helm/helm/releases)
- [Commits](helm/helm@v4.1.1...v4.1.3)

---
updated-dependencies:
- dependency-name: helm.sh/helm/v4
  dependency-version: 4.1.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Bumps [github.com/cloudflare/circl](https://github.com/cloudflare/circl) from 1.6.1 to 1.6.3.
- [Release notes](https://github.com/cloudflare/circl/releases)
- [Commits](cloudflare/circl@v1.6.1...v1.6.3)

---
updated-dependencies:
- dependency-name: github.com/cloudflare/circl
  dependency-version: 1.6.3
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Bumps [azure/setup-helm](https://github.com/azure/setup-helm) from 4.3.1 to 5.0.0.
- [Release notes](https://github.com/azure/setup-helm/releases)
- [Changelog](https://github.com/Azure/setup-helm/blob/main/CHANGELOG.md)
- [Commits](Azure/setup-helm@v4.3.1...v5.0.0)

---
updated-dependencies:
- dependency-name: azure/setup-helm
  dependency-version: 5.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Agent-Logs-Url: https://github.com/helmfile/chartify/sessions/425b5c2c-0a89-412e-83e9-6d52fa79a021

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: yxxhero <[email protected]>

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.78.0 to 1.79.3.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](grpc/grpc-go@v1.78.0...v1.79.3)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-version: 1.79.3
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>