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Use '#' instead of ':' to separate flakeref and attrpath

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This is less ambiguous.
This commit is contained in:
Eelco Dolstra 2019-09-20 16:01:40 +02:00
parent 5961c94097
commit 5a0e98d1e5
2 changed files with 33 additions and 37 deletions
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22
src/nix/installables.cc
View file

@ -404,7 +404,7 @@ std::vector<std::shared_ptr<Installable>> SourceExprCommand::parseInstallables(
for (auto & s : ss) {
size_t colon;
size_t hash;
std::optional<Path> storePath;
if (s.compare(0, 1, "(") == 0)
@ -417,8 +417,14 @@ std::vector<std::shared_ptr<Installable>> SourceExprCommand::parseInstallables(
Strings{"legacyPackages." + std::string(s, 8)}));
}
else {
else if ((hash = s.rfind('#')) != std::string::npos)
result.push_back(std::make_shared<InstallableFlake>(
*this,
FlakeRef(std::string(s, 0, hash), true),
std::string(s, hash + 1),
getDefaultFlakeAttrPathPrefixes()));
else {
std::exception_ptr flakeEx;
try {
@ -434,17 +440,7 @@ std::vector<std::shared_ptr<Installable>> SourceExprCommand::parseInstallables(
} catch (BadFlakeRef &) {
}
if ((colon = s.rfind(':')) != std::string::npos) {
auto flakeRef = std::string(s, 0, colon);
auto attrPath = std::string(s, colon + 1);
result.push_back(std::make_shared<InstallableFlake>(
*this,
FlakeRef(flakeRef, true),
attrPath,
getDefaultFlakeAttrPathPrefixes()));
}
else if (s.find('/') != std::string::npos && (storePath = follow(s)))
if (s.find('/') != std::string::npos && (storePath = follow(s)))
result.push_back(std::make_shared<InstallableStorePath>(*storePath));
else {

48
tests/flakes.sh
View file

@ -126,7 +126,7 @@ json=$(nix flake info --flake-registry $registry flake1 --json | jq .)
[[ $(echo "$json" | jq -r .lastModified) = $(git -C $flake1Dir log -n1 --format=%ct) ]]
# Test 'nix build' on a flake.
nix build -o $TEST_ROOT/result --flake-registry $registry flake1:foo
nix build -o $TEST_ROOT/result --flake-registry $registry flake1#foo
[[ -e $TEST_ROOT/result/hello ]]
# Test defaultPackage.
@ -144,33 +144,33 @@ nix path-info $flake1Dir/result
(! nix eval "(builtins.getFlake "$flake2Dir")")
# But should succeed in impure mode.
nix build -o $TEST_ROOT/result --flake-registry $registry flake2:bar --impure
nix build -o $TEST_ROOT/result --flake-registry $registry flake2#bar --impure
# Test automatic lock file generation.
nix build -o $TEST_ROOT/result --flake-registry $registry $flake2Dir:bar
nix build -o $TEST_ROOT/result --flake-registry $registry $flake2Dir#bar
[[ -e $flake2Dir/flake.lock ]]
git -C $flake2Dir commit flake.lock -m 'Add flake.lock'
# Rerunning the build should not change the lockfile.
nix build -o $TEST_ROOT/result --flake-registry $registry $flake2Dir:bar
nix build -o $TEST_ROOT/result --flake-registry $registry $flake2Dir#bar
[[ -z $(git -C $flake2Dir diff master) ]]
# Building with a lockfile should not require a fetch of the registry.
nix build -o $TEST_ROOT/result --flake-registry file:///no-registry.json $flake2Dir:bar --tarball-ttl 0
nix build -o $TEST_ROOT/result --flake-registry file:///no-registry.json $flake2Dir#bar --tarball-ttl 0
# Updating the flake should not change the lockfile.
nix flake update --flake-registry $registry $flake2Dir
[[ -z $(git -C $flake2Dir diff master) ]]
# Now we should be able to build the flake in pure mode.
nix build -o $TEST_ROOT/result --flake-registry $registry flake2:bar
nix build -o $TEST_ROOT/result --flake-registry $registry flake2#bar
# Or without a registry.
# FIXME: shouldn't need '--flake-registry /no-registry'?
nix build -o $TEST_ROOT/result --flake-registry /no-registry file://$flake2Dir:bar --tarball-ttl 0
nix build -o $TEST_ROOT/result --flake-registry /no-registry file://$flake2Dir#bar --tarball-ttl 0
# Test whether indirect dependencies work.
nix build -o $TEST_ROOT/result --flake-registry $registry $flake3Dir:xyzzy
nix build -o $TEST_ROOT/result --flake-registry $registry $flake3Dir#xyzzy
# Add dependency to flake3.
rm $flake3Dir/flake.nix
@ -192,7 +192,7 @@ git -C $flake3Dir add flake.nix
git -C $flake3Dir commit -m 'Update flake.nix'
# Check whether `nix build` works with an incomplete lockfile
nix build -o $TEST_ROOT/result --flake-registry $registry $flake3Dir:"sth sth"
nix build -o $TEST_ROOT/result --flake-registry $registry $flake3Dir#"sth sth"
# Check whether it saved the lockfile
[[ ! (-z $(git -C $flake3Dir diff master)) ]]
@ -203,7 +203,7 @@ git -C $flake3Dir commit -m 'Add lockfile'
# Unsupported editions should be an error.
sed -i $flake3Dir/flake.nix -e s/201909/201912/
nix build -o $TEST_ROOT/result --flake-registry $registry $flake3Dir:sth 2>&1 | grep 'unsupported edition'
nix build -o $TEST_ROOT/result --flake-registry $registry $flake3Dir#sth 2>&1 | grep 'unsupported edition'
# Test whether registry caching works.
nix flake list --flake-registry file://$registry | grep -q flake3
@ -214,12 +214,12 @@ mv $registry.tmp $registry
# Test whether flakes are registered as GC roots for offline use.
# FIXME: use tarballs rather than git.
rm -rf $TEST_HOME/.cache
nix build -o $TEST_ROOT/result --flake-registry file://$registry file://$flake2Dir:bar
nix build -o $TEST_ROOT/result --flake-registry file://$registry file://$flake2Dir#bar
mv $flake1Dir $flake1Dir.tmp
mv $flake2Dir $flake2Dir.tmp
nix-store --gc
nix build -o $TEST_ROOT/result --flake-registry file://$registry file://$flake2Dir:bar
nix build -o $TEST_ROOT/result --flake-registry file://$registry file://$flake2Dir:bar --tarball-ttl 0
nix build -o $TEST_ROOT/result --flake-registry file://$registry file://$flake2Dir#bar
nix build -o $TEST_ROOT/result --flake-registry file://$registry file://$flake2Dir#bar --tarball-ttl 0
mv $flake1Dir.tmp $flake1Dir
mv $flake2Dir.tmp $flake2Dir
@ -264,30 +264,30 @@ git -C $flake3Dir commit -m 'Add nonFlakeInputs'
# Check whether `nix build` works with a lockfile which is missing a
# nonFlakeInputs.
nix build -o $TEST_ROOT/result --flake-registry $registry $flake3Dir:sth
nix build -o $TEST_ROOT/result --flake-registry $registry $flake3Dir#sth
git -C $flake3Dir add flake.lock
git -C $flake3Dir commit -m 'Update nonFlakeInputs'
nix build -o $TEST_ROOT/result --flake-registry $registry flake3:fnord
nix build -o $TEST_ROOT/result --flake-registry $registry flake3#fnord
[[ $(cat $TEST_ROOT/result) = FNORD ]]
# Check whether flake input fetching is lazy: flake3:sth does not
# Check whether flake input fetching is lazy: flake3#sth does not
# depend on flake2, so this shouldn't fail.
rm -rf $TEST_HOME/.cache
clearStore
mv $flake2Dir $flake2Dir.tmp
mv $nonFlakeDir $nonFlakeDir.tmp
nix build -o $TEST_ROOT/result --flake-registry $registry flake3:sth
(! nix build -o $TEST_ROOT/result --flake-registry $registry flake3:xyzzy)
(! nix build -o $TEST_ROOT/result --flake-registry $registry flake3:fnord)
nix build -o $TEST_ROOT/result --flake-registry $registry flake3#sth
(! nix build -o $TEST_ROOT/result --flake-registry $registry flake3#xyzzy)
(! nix build -o $TEST_ROOT/result --flake-registry $registry flake3#fnord)
mv $flake2Dir.tmp $flake2Dir
mv $nonFlakeDir.tmp $nonFlakeDir
nix build -o $TEST_ROOT/result --flake-registry $registry flake3:xyzzy flake3:fnord
nix build -o $TEST_ROOT/result --flake-registry $registry flake3#xyzzy flake3#fnord
# Test doing multiple `lookupFlake`s
nix build -o $TEST_ROOT/result --flake-registry $registry flake4:xyzzy
nix build -o $TEST_ROOT/result --flake-registry $registry flake4#xyzzy
# Make branch "removeXyzzy" where flake3 doesn't have xyzzy anymore
git -C $flake3Dir checkout -b removeXyzzy
@ -325,11 +325,11 @@ git -C $flake3Dir commit -m 'Remove packages.xyzzy'
git -C $flake3Dir checkout master
# Test whether fuzzy-matching works for IsAlias
(! nix build -o $TEST_ROOT/result --flake-registry $registry flake4/removeXyzzy:xyzzy)
(! nix build -o $TEST_ROOT/result --flake-registry $registry flake4/removeXyzzy#xyzzy)
# Test whether fuzzy-matching works for IsGit
(! nix build -o $TEST_ROOT/result --flake-registry $registry flake4/removeXyzzy:xyzzy)
nix build -o $TEST_ROOT/result --flake-registry $registry flake4/removeXyzzy:sth
(! nix build -o $TEST_ROOT/result --flake-registry $registry flake4/removeXyzzy#xyzzy)
nix build -o $TEST_ROOT/result --flake-registry $registry flake4/removeXyzzy#sth
# Testing the nix CLI
nix flake add --flake-registry $registry flake1 flake3