On Sun, Jul 30, 2017 at 11:00:19PM +0000, brian m. carlson wrote: > Yes, basically, but a bit more generally. There will always be cases in > which we need to specify an object ID or an arbitrary string and the > behavior will need to vary based on the hash. That can be something > like, in this case, the two blob contents that would have the similar > prefix. > > So in this case, we pass the helper the string "263 410" and get back a > value for either the hacked SHA-1 hash or the SHA-256 or whatever we're > using. I realize this was worded poorly. So for my example, in this case, we'd do: test-helper-hash-string "263 410" For SHA-1, we'd get "263 410". For SHA-256, we'd get "313 481" (which, as SHA-256 blobs, both start with "17" in their hex representation). Presumably we'd read some environment variable to determine the proper value. -- brian m. carlson / brian with sandals: Houston, Texas, US https://www.crustytoothpaste.net/~bmc | My opinion only OpenPGP: https://keybase.io/bk2204
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