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nix: Add --impure as a shorter alias of --no-pure-eval

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This commit is contained in:
Eelco Dolstra 2019-04-08 23:19:19 +02:00
parent 6a4c7fb975
commit ee1254d4f5
6 changed files with 49 additions and 42 deletions
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38
tests/fetchGit.sh
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@ -26,11 +26,11 @@ git -C $repo commit -m 'Bla2' -a
rev2=$(git -C $repo rev-parse HEAD)
# Fetch the default branch.
path=$(nix eval --no-pure-eval --raw "(builtins.fetchGit file://$repo).outPath")
path=$(nix eval --impure --raw "(builtins.fetchGit file://$repo).outPath")
[[ $(cat $path/hello) = world ]]
# In pure eval mode, fetchGit without a revision should fail.
[[ $(nix eval --no-pure-eval --raw "(builtins.readFile (fetchGit file://$repo + \"/hello\"))") = world ]]
[[ $(nix eval --impure --raw "(builtins.readFile (fetchGit file://$repo + \"/hello\"))") = world ]]
(! nix eval --raw "(builtins.readFile (fetchGit file://$repo + \"/hello\"))")
# Fetch using an explicit revision hash.
@ -42,14 +42,14 @@ path2=$(nix eval --raw "(builtins.fetchGit { url = file://$repo; rev = \"$rev2\"
# Fetch again. This should be cached.
mv $repo ${repo}-tmp
path2=$(nix eval --no-pure-eval --raw "(builtins.fetchGit file://$repo).outPath")
path2=$(nix eval --impure --raw "(builtins.fetchGit file://$repo).outPath")
[[ $path = $path2 ]]
[[ $(nix eval --no-pure-eval "(builtins.fetchGit file://$repo).revCount") = 2 ]]
[[ $(nix eval --no-pure-eval --raw "(builtins.fetchGit file://$repo).rev") = $rev2 ]]
[[ $(nix eval --impure "(builtins.fetchGit file://$repo).revCount") = 2 ]]
[[ $(nix eval --impure --raw "(builtins.fetchGit file://$repo).rev") = $rev2 ]]
# But with TTL 0, it should fail.
(! nix eval --no-pure-eval --tarball-ttl 0 "(builtins.fetchGit file://$repo)" -vvvvv)
(! nix eval --impure --tarball-ttl 0 "(builtins.fetchGit file://$repo)" -vvvvv)
# Fetching with a explicit hash should succeed.
path2=$(nix eval --tarball-ttl 0 --raw "(builtins.fetchGit { url = file://$repo; rev = \"$rev2\"; }).outPath")
@ -61,7 +61,7 @@ path2=$(nix eval --tarball-ttl 0 --raw "(builtins.fetchGit { url = file://$repo;
mv ${repo}-tmp $repo
# Using a clean working tree should produce the same result.
path2=$(nix eval --no-pure-eval --raw "(builtins.fetchGit $repo).outPath")
path2=$(nix eval --impure --raw "(builtins.fetchGit $repo).outPath")
[[ $path = $path2 ]]
# Using an unclean tree should yield the tracked but uncommitted changes.
@ -72,17 +72,17 @@ echo bar > $repo/dir2/bar
git -C $repo add dir1/foo
git -C $repo rm hello
path2=$(nix eval --no-pure-eval --raw "(builtins.fetchGit $repo).outPath")
path2=$(nix eval --impure --raw "(builtins.fetchGit $repo).outPath")
[ ! -e $path2/hello ]
[ ! -e $path2/bar ]
[ ! -e $path2/dir2/bar ]
[ ! -e $path2/.git ]
[[ $(cat $path2/dir1/foo) = foo ]]
[[ $(nix eval --no-pure-eval --raw "(builtins.fetchGit $repo).rev") = 0000000000000000000000000000000000000000 ]]
[[ $(nix eval --impure --raw "(builtins.fetchGit $repo).rev") = 0000000000000000000000000000000000000000 ]]
# ... unless we're using an explicit ref or rev.
path3=$(nix eval --no-pure-eval --raw "(builtins.fetchGit { url = $repo; ref = \"master\"; }).outPath")
path3=$(nix eval --impure --raw "(builtins.fetchGit { url = $repo; ref = \"master\"; }).outPath")
[[ $path = $path3 ]]
path3=$(nix eval --raw "(builtins.fetchGit { url = $repo; rev = \"$rev2\"; }).outPath")
@ -91,7 +91,7 @@ path3=$(nix eval --raw "(builtins.fetchGit { url = $repo; rev = \"$rev2\"; }).ou
# Committing should not affect the store path.
git -C $repo commit -m 'Bla3' -a
path4=$(nix eval --no-pure-eval --tarball-ttl 0 --raw "(builtins.fetchGit file://$repo).outPath")
path4=$(nix eval --impure --tarball-ttl 0 --raw "(builtins.fetchGit file://$repo).outPath")
[[ $path2 = $path4 ]]
# tarball-ttl should be ignored if we specify a rev
@ -102,29 +102,29 @@ rev3=$(git -C $repo rev-parse HEAD)
nix eval --tarball-ttl 3600 "(builtins.fetchGit { url = $repo; rev = \"$rev3\"; })" >/dev/null
# Update 'path' to reflect latest master
path=$(nix eval --no-pure-eval --raw "(builtins.fetchGit file://$repo).outPath")
path=$(nix eval --impure --raw "(builtins.fetchGit file://$repo).outPath")
# Check behavior when non-master branch is used
git -C $repo checkout $rev2 -b dev
echo dev > $repo/hello
# File URI uses 'master' unless specified otherwise
path2=$(nix eval --no-pure-eval --raw "(builtins.fetchGit file://$repo).outPath")
path2=$(nix eval --impure --raw "(builtins.fetchGit file://$repo).outPath")
[[ $path = $path2 ]]
# Using local path with branch other than 'master' should work when clean or dirty
path3=$(nix eval --no-pure-eval --raw "(builtins.fetchGit $repo).outPath")
path3=$(nix eval --impure --raw "(builtins.fetchGit $repo).outPath")
# (check dirty-tree handling was used)
[[ $(nix eval --no-pure-eval --raw "(builtins.fetchGit $repo).rev") = 0000000000000000000000000000000000000000 ]]
[[ $(nix eval --impure --raw "(builtins.fetchGit $repo).rev") = 0000000000000000000000000000000000000000 ]]
# Committing shouldn't change store path, or switch to using 'master'
git -C $repo commit -m 'Bla5' -a
path4=$(nix eval --no-pure-eval --raw "(builtins.fetchGit $repo).outPath")
path4=$(nix eval --impure --raw "(builtins.fetchGit $repo).outPath")
[[ $(cat $path4/hello) = dev ]]
[[ $path3 = $path4 ]]
# Confirm same as 'dev' branch
path5=$(nix eval --no-pure-eval --raw "(builtins.fetchGit { url = $repo; ref = \"dev\"; }).outPath")
path5=$(nix eval --impure --raw "(builtins.fetchGit { url = $repo; ref = \"dev\"; }).outPath")
[[ $path3 = $path5 ]]
@ -134,8 +134,8 @@ rm -rf $TEST_HOME/.cache/nix/gitv2
# Try again, but without 'git' on PATH
NIX=$(command -v nix)
# This should fail
(! PATH= $NIX eval --no-pure-eval --raw "(builtins.fetchGit { url = $repo; ref = \"dev\"; }).outPath" )
(! PATH= $NIX eval --impure --raw "(builtins.fetchGit { url = $repo; ref = \"dev\"; }).outPath" )
# Try again, with 'git' available. This should work.
path5=$(nix eval --no-pure-eval --raw "(builtins.fetchGit { url = $repo; ref = \"dev\"; }).outPath")
path5=$(nix eval --impure --raw "(builtins.fetchGit { url = $repo; ref = \"dev\"; }).outPath")
[[ $path3 = $path5 ]]