fix: disable detach of git maintenance after exit of main git process

This is new git behaviour introduced with upgrade of git to 2.48.1

Signed-off-by: Eugene Doudine <eugene.doudine@octopus.com>

Author: dudinea

.dockerignore

@@ -28,4 +28,6 @@ examples/
 !hack/gpg-wrapper.sh
 !hack/git-verify-wrapper.sh
 !hack/tool-versions.sh
-!hack/install.sh
+!hack/install.sh
+!hack/gitconfig
+

Dockerfile

@@ -62,6 +62,7 @@ COPY hack/gpg-wrapper.sh \
     hack/git-verify-wrapper.sh \
     entrypoint.sh \
     /usr/local/bin/
+COPY hack/gitconfig /etc/gitconfig
 COPY --from=builder /usr/local/bin/helm /usr/local/bin/helm
 COPY --from=builder /usr/local/bin/kustomize /usr/local/bin/kustomize
 

hack/gitconfig

@@ -0,0 +1,4 @@
+[maintenance]
+autoDetach = false
+[gc]
+autoDetach = false