stack build (on the stack project itself) cache invalidated after a stack install

[chrisdone]

Pinging @mgsloan. @snoyberg suspects this may be due to the store serialization we added recently. It seems like perhaps the git hash for the stack binary is causing such invalidation.

Steps to reproduce

bash-3.2$ stack build
bash-3.2$ stack install
Copying from /Users/chris/Work/stack/.stack-work/install/x86_64-osx/lts-6.0/7.10.3/bin/stack to /Users/chris/.local/bin/stack

Copied executables to /Users/chris/.local/bin:
- stack
bash-3.2$ stack build
Populated index cache.
Did not find .cabal file for kansas-comet-0.4 with Git SHA of be4690cfa4a780f71d05182fe5c69bb4ae635bf7
Did not find .cabal file for blank-canvas-0.6 with Git SHA of 1ab8537279ad2dd4cf25f76527633d47e5b16a94
stack-1.1.3: unregistering (missing dependencies: store)
store-0.1.0.1: unregistering (missing dependencies: th-lift-instances, th-orphans, th-utilities)
th-lift-instances-0.1.7: unregistering (old configure information not found)
th-orphans-0.13.1: unregistering (missing dependencies: th-lift-instances)
th-utilities-0.1.1.0: unregistering (missing dependencies: th-orphans)
th-lift-instances-0.1.7: configure
Progress: 0/5  c cuser interrupt

[sjakobi]

Yes I hope this gets fixed soon.

Closing as a duplicate of #2296.