fix: UNREGISTRY_CONTAINERD_SOCK env var binding to --sock flag

Author: psviderski

.github/workflows/test-build.yaml

@@ -26,8 +26,8 @@ jobs:
         with:
           go-version: "1.24"
 
-      - name: set up Docker Buildx
-        uses: docker/setup-buildx-action@b5ca514318bd6ebac0fb2aedd5d36ec1b5c232a2 # v3.10.0
+      - name: Install Go test dependencies
+        run: go mod tidy
 
       - name: Conformance tests
         run: go test -v ./conformance/...
@@ -42,6 +42,10 @@ jobs:
         if: ${{ startsWith(github.ref, 'refs/tags/') }}
         uses: docker/setup-qemu-action@29109295f81e9208d7d86ff1c6c12d2833863392 # v3.6.0
 
+      - name: set up Docker Buildx
+        if: ${{ startsWith(github.ref, 'refs/tags/') }}
+        uses: docker/setup-buildx-action@b5ca514318bd6ebac0fb2aedd5d36ec1b5c232a2 # v3.10.0
+
       - name: Login to GitHub Container Registry
         if: ${{ startsWith(github.ref, 'refs/tags/') }}
         uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0

cmd/unregistry/main.go

@@ -36,7 +36,7 @@ Key use cases:
 			bindEnvToFlag(cmd, "log-format", "UNREGISTRY_LOG_FORMAT")
 			bindEnvToFlag(cmd, "log-level", "UNREGISTRY_LOG_LEVEL")
 			bindEnvToFlag(cmd, "namespace", "UNREGISTRY_CONTAINERD_NAMESPACE")
-			bindEnvToFlag(cmd, "socket", "UNREGISTRY_CONTAINERD_SOCK")
+			bindEnvToFlag(cmd, "sock", "UNREGISTRY_CONTAINERD_SOCK")
 		},
 		RunE: func(cmd *cobra.Command, args []string) error {
 			return run(cfg)