Folder structure before (2 separate repositories):
XXX
|- .git
|- (project files)
YYY
|- .git
Denial in question
avc: denied { read write } for pid=29059 comm="i.tetherservice" name="ipa" dev="tmpfs" ino=11991 scontext=u:r:system_app:s0 tcontext=u:object_r:ipa_dev:s0 tclass=chr_file permissive=0
sepolicy fix
allow system_app ipa_dev:chr_file {read write};