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fetchMercurial: Don't fetch hashes we already have

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This commit is contained in:
Eelco Dolstra 2017-11-01 18:43:11 +01:00
parent 1969f357b7
commit e026bc3b05
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GPG key ID: 8170B4726D7198DE
4 changed files with 74 additions and 28 deletions
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18
tests/fetchMercurial.sh
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@ -9,7 +9,7 @@ clearStore
repo=$TEST_ROOT/hg
rm -rfv $repo ${repo}-tmp $TEST_HOME/.cache/nix/hg
rm -rf $repo ${repo}-tmp $TEST_HOME/.cache/nix/hg
hg init $repo
echo '[ui]' >> $repo/.hg/hgrc
@ -24,13 +24,14 @@ echo world > $repo/hello
hg commit --cwd $repo -m 'Bla2'
rev2=$(hg log --cwd $repo -r tip --template '{node}')
hg log --cwd $repo
hg log --cwd $repo -r tip --template '{node}\n'
# Fetch the default branch.
path=$(nix eval --raw "(builtins.fetchMercurial file://$repo).outPath")
[[ $(cat $path/hello) = world ]]
# Fetch using an explicit revision hash.
path2=$(nix eval --raw "(builtins.fetchMercurial { url = file://$repo; rev = \"$rev2\"; }).outPath")
[[ $path = $path2 ]]
# Fetch again. This should be cached.
mv $repo ${repo}-tmp
path2=$(nix eval --raw "(builtins.fetchMercurial file://$repo).outPath")
@ -43,6 +44,13 @@ path2=$(nix eval --raw "(builtins.fetchMercurial file://$repo).outPath")
# But with TTL 0, it should fail.
(! nix eval --tarball-ttl 0 --raw "(builtins.fetchMercurial file://$repo)")
# Fetching with a explicit hash should succeed.
path2=$(nix eval --tarball-ttl 0 --raw "(builtins.fetchMercurial { url = file://$repo; rev = \"$rev2\"; }).outPath")
[[ $path = $path2 ]]
path2=$(nix eval --tarball-ttl 0 --raw "(builtins.fetchMercurial { url = file://$repo; rev = \"$rev1\"; }).outPath")
[[ $(cat $path2/hello) = utrecht ]]
mv ${repo}-tmp $repo
# Using a clean working tree should produce the same result.