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Fix git-hashing/simple.sh

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I realized it was checking NAR hashes before of added objects, which
makes little sense --- we don't really care about ancillary NAR hashes.

Now, the bottom `nix store add` tests compare the CA field with a git
hash to hashes calculated by Git. This matches top `nix hash path` ones
in using git as a source of truth.
This commit is contained in:
John Ericson 2024-03-23 22:01:30 -04:00
parent f891673460
commit 2a44b11f55
1 changed files with 42 additions and 32 deletions
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74
tests/functional/git-hashing/simple.sh
View file

@ -6,8 +6,9 @@ git init "$repo"
git -C "$repo" config user.email "you@example.com"
git -C "$repo" config user.name "Your Name"
# Compare Nix's and git's implementation of git hashing
try () {
hash=$(nix hash path --mode git --format base16 --algo sha1 $TEST_ROOT/hash-path)
local hash=$(nix hash path --mode git --format base16 --algo sha1 $TEST_ROOT/hash-path)
[[ "$hash" == "$1" ]]
git -C "$repo" rm -rf hash-path || true
@ -15,7 +16,7 @@ try () {
git -C "$repo" add hash-path
git -C "$repo" commit -m "x"
git -C "$repo" status
hash2=$(git -C "$TEST_ROOT/scratch" rev-parse HEAD:hash-path)
local hash2=$(git -C "$TEST_ROOT/scratch" rev-parse HEAD:hash-path)
[[ "$hash2" = "$1" ]]
}
@ -32,36 +33,45 @@ echo "Run Hello World" > $TEST_ROOT/hash-path/executable
chmod +x $TEST_ROOT/hash-path/executable
try "e5c0a11a556801a5c9dcf330ca9d7e2c572697f4"
rm -rf $TEST_ROOT/dummy1
echo Hello World! > $TEST_ROOT/dummy1
path1=$(nix store add --mode git --hash-algo sha1 $TEST_ROOT/dummy1)
hash1=$(nix-store -q --hash $path1)
test "$hash1" = "sha256:1brffhvj2c0z6x8qismd43m0iy8dsgfmy10bgg9w11szway2wp9v"
# Check Nix added object has matching git hash
try2 () {
local hashPath="$1"
local expected="$2"
rm -rf $TEST_ROOT/dummy2
mkdir -p $TEST_ROOT/dummy2
echo Hello World! > $TEST_ROOT/dummy2/hello
path2=$(nix store add --mode git --hash-algo sha1 $TEST_ROOT/dummy2)
hash2=$(nix-store -q --hash $path2)
test "$hash2" = "sha256:1vhv7zxam7x277q0y0jcypm7hwhccbzss81vkdgf0ww5sm2am4y0"
local path=$(nix store add --mode git --hash-algo sha1 "$repo/$hashPath")
rm -rf $TEST_ROOT/dummy3
mkdir -p $TEST_ROOT/dummy3
mkdir -p $TEST_ROOT/dummy3/dir
touch $TEST_ROOT/dummy3/dir/file
echo Hello World! > $TEST_ROOT/dummy3/dir/file
touch $TEST_ROOT/dummy3/dir/executable
chmod +x $TEST_ROOT/dummy3/dir/executable
echo Run Hello World! > $TEST_ROOT/dummy3/dir/executable
path3=$(nix store add --mode git --hash-algo sha1 $TEST_ROOT/dummy3)
hash3=$(nix-store -q --hash $path3)
test "$hash3" = "sha256:08y3nm3mvn9qvskqnf13lfgax5lh73krxz4fcjd5cp202ggpw9nv"
git -C "$repo" add "$hashPath"
git -C "$repo" commit -m "x"
git -C "$repo" status
local hashFromGit=$(git -C "$repo" rev-parse "HEAD:$hashPath")
[[ "$hashFromGit" == "$2" ]]
rm -rf $TEST_ROOT/dummy3
mkdir -p $TEST_ROOT/dummy3
mkdir -p $TEST_ROOT/dummy3/dir
touch $TEST_ROOT/dummy3/dir/file
ln -s './hello/world.txt' $TEST_ROOT/dummy3/dir/symlink
path3=$(nix store add --mode git --hash-algo sha1 $TEST_ROOT/dummy3)
hash3=$(nix-store -q --hash $path3)
test "$hash3" = "sha256:1dwazas8irzpar89s8k2bnp72imfw7kgg4aflhhsfnicg8h428f3"
local caFromNix=$(nix path-info --json "$path" | jq -r ".[] | .ca")
[[ "fixed:git:sha1:$(nix hash convert --to nix32 "sha1:$hashFromGit")" = "$caFromNix" ]]
}
rm -rf "$repo/dummy1"
echo Hello World! > "$repo/dummy1"
try2 dummy1 "980a0d5f19a64b4b30a87d4206aade58726b60e3"
rm -rf "$repo/dummy2"
mkdir -p "$repo/dummy2"
echo Hello World! > "$repo/dummy2/hello"
try2 dummy2 "8b8e43b937854f4083ea56777821abda2799e850"
rm -rf "$repo/dummy3"
mkdir -p "$repo/dummy3"
mkdir -p "$repo/dummy3/dir"
touch "$repo/dummy3/dir/file"
echo Hello World! > "$repo/dummy3/dir/file"
touch "$repo/dummy3/dir/executable"
chmod +x "$repo/dummy3/dir/executable"
echo Run Hello World! > "$repo/dummy3/dir/executable"
try2 dummy3 "f227adfaf60d2778aabbf93df6dd061272d2dc85"
rm -rf "$repo/dummy4"
mkdir -p "$repo/dummy4"
mkdir -p "$repo/dummy4/dir"
touch "$repo/dummy4/dir/file"
ln -s './hello/world.txt' "$repo/dummy4/dir/symlink"
try2 dummy4 "06f3e789820fc488d602358f03e3a1cbf993bf33"