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20b95d6223
This is the core functionality but just unit-tested and not yet made part of the store layer. This is because there is some tech debt around (a) repeated boilerplate hashing objects (b) better integration of the new `SourceAccessor` type that needs to be cleaned up first. Part of RFC 133 Co-Authored-By: Matthew Bauer <mjbauer95@gmail.com> Co-Authored-By: Carlo Nucera <carlo.nucera@protonmail.com> Co-authored-by: Robert Hensing <roberth@users.noreply.github.com> Co-authored-by: Florian Klink <flokli@flokli.de>
32 lines
1.1 KiB
Bash
32 lines
1.1 KiB
Bash
#!/usr/bin/env bash
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set -eu -o pipefail
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export TEST_ROOT=$(realpath ${TMPDIR:-/tmp}/nix-test)/git-hashing/unit-test-data
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mkdir -p $TEST_ROOT
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repo="$TEST_ROOT/scratch"
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git init "$repo"
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git -C "$repo" config user.email "you@example.com"
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git -C "$repo" config user.name "Your Name"
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# `-w` to write for tree test
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freshlyAddedHash=$(git -C "$repo" hash-object -w -t blob --stdin < "./hello-world.bin")
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encodingHash=$(sha1sum -b < "./hello-world-blob.bin" | head -c 40)
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# If the hashes match, then `hello-world-blob.bin` must be the encoding
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# of `hello-world.bin`.
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[[ "$encodingHash" == "$freshlyAddedHash" ]]
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# Create empty directory object for tree test
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echo -n | git -C "$repo" hash-object -w -t tree --stdin
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# Relies on both child hashes already existing in the git store
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freshlyAddedHash=$(git -C "$repo" mktree < "./tree.txt")
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encodingHash=$(sha1sum -b < "./tree.bin" | head -c 40)
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# If the hashes match, then `tree.bin` must be the encoding of the
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# directory denoted by `tree.txt` interpreted as git directory listing.
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[[ "$encodingHash" == "$freshlyAddedHash" ]]
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