/usr/include/libgit2-glib-1.0/ is in libgit2-glib-1.0-dev 0.24.4-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/libgit2-glib-1.0/libgit2-glib/
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-annotated-commit.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-blame-options.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-blame.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-blob-output-stream.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-blob.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-branch-enumerator.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-branch.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-checkout-options.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-cherry-pick-options.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-clone-options.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-commit-parents.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-commit.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-config-entry.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-config.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-cred-plaintext.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-cred-ssh-interactive.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-cred-ssh-key-from-agent.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-cred.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-diff-binary-file.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-diff-binary.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-diff-delta.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-diff-file.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-diff-find-options.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-diff-format-email-options.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-diff-hunk.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-diff-line.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-diff-options.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-diff-similarity-metric.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-diff.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-enum-types.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-error.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-fetch-options.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-index-entry-resolve-undo.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-index-entry.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-index.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-main.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-merge-options.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-message.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-native.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-note.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-object-factory-base.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-object-factory.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-object.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-oid.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-patch.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-push-options.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-rebase-operation.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-rebase-options.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-rebase.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-ref-spec.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-ref.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-reflog-entry.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-reflog.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-remote-callbacks.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-remote.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-repository.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-revert-options.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-revision-walker.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-signature.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-status-options.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-submodule-update-options.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-submodule.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-tag.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-transfer-progress.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-tree-builder.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-tree-entry.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-tree.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit-types.h
/usr/include/libgit2-glib-1.0/libgit2-glib/ggit.h