Luke Granger-Brown
226116f482
Without setting HGPLAIN, the user's environment leaks into hg invocations, which means that the output may not be in the expected format. HGPLAIN is the Mercurial-recommended solution for this in that it's intended for uses by scripts and programs which are looking to parse Mercurial's output in a consistent manner.
97 lines
3.4 KiB
Bash
97 lines
3.4 KiB
Bash
source common.sh
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if [[ -z $(type -p hg) ]]; then
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echo "Mercurial not installed; skipping Mercurial tests"
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exit 99
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fi
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clearStore
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repo=$TEST_ROOT/hg
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rm -rf $repo ${repo}-tmp $TEST_HOME/.cache/nix
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hg init $repo
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echo '[ui]' >> $repo/.hg/hgrc
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echo 'username = Foobar <foobar@example.org>' >> $repo/.hg/hgrc
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# Set ui.tweakdefaults to ensure HGPLAIN is being set.
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echo 'tweakdefaults = True' >> $repo/.hg/hgrc
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echo utrecht > $repo/hello
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touch $repo/.hgignore
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hg add --cwd $repo hello .hgignore
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hg commit --cwd $repo -m 'Bla1'
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rev1=$(hg log --cwd $repo -r tip --template '{node}')
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echo world > $repo/hello
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hg commit --cwd $repo -m 'Bla2'
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rev2=$(hg log --cwd $repo -r tip --template '{node}')
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# Fetch the default branch.
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path=$(nix eval --impure --raw --expr "(builtins.fetchMercurial file://$repo).outPath")
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[[ $(cat $path/hello) = world ]]
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# In pure eval mode, fetchGit without a revision should fail.
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[[ $(nix eval --impure --raw --expr "(builtins.readFile (fetchMercurial file://$repo + \"/hello\"))") = world ]]
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(! nix eval --raw --expr "builtins.readFile (fetchMercurial file://$repo + \"/hello\")")
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# Fetch using an explicit revision hash.
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path2=$(nix eval --impure --raw --expr "(builtins.fetchMercurial { url = file://$repo; rev = \"$rev2\"; }).outPath")
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[[ $path = $path2 ]]
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# In pure eval mode, fetchGit with a revision should succeed.
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[[ $(nix eval --raw --expr "builtins.readFile (fetchMercurial { url = file://$repo; rev = \"$rev2\"; } + \"/hello\")") = world ]]
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# Fetch again. This should be cached.
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mv $repo ${repo}-tmp
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path2=$(nix eval --impure --raw --expr "(builtins.fetchMercurial file://$repo).outPath")
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[[ $path = $path2 ]]
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[[ $(nix eval --impure --raw --expr "(builtins.fetchMercurial file://$repo).branch") = default ]]
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[[ $(nix eval --impure --expr "(builtins.fetchMercurial file://$repo).revCount") = 1 ]]
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[[ $(nix eval --impure --raw --expr "(builtins.fetchMercurial file://$repo).rev") = $rev2 ]]
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# But with TTL 0, it should fail.
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(! nix eval --impure --refresh --expr "builtins.fetchMercurial file://$repo")
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# Fetching with a explicit hash should succeed.
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path2=$(nix eval --refresh --raw --expr "(builtins.fetchMercurial { url = file://$repo; rev = \"$rev2\"; }).outPath")
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[[ $path = $path2 ]]
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path2=$(nix eval --refresh --raw --expr "(builtins.fetchMercurial { url = file://$repo; rev = \"$rev1\"; }).outPath")
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[[ $(cat $path2/hello) = utrecht ]]
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mv ${repo}-tmp $repo
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# Using a clean working tree should produce the same result.
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path2=$(nix eval --impure --raw --expr "(builtins.fetchMercurial $repo).outPath")
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[[ $path = $path2 ]]
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# Using an unclean tree should yield the tracked but uncommitted changes.
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mkdir $repo/dir1 $repo/dir2
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echo foo > $repo/dir1/foo
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echo bar > $repo/bar
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echo bar > $repo/dir2/bar
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hg add --cwd $repo dir1/foo
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hg rm --cwd $repo hello
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path2=$(nix eval --impure --raw --expr "(builtins.fetchMercurial $repo).outPath")
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[ ! -e $path2/hello ]
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[ ! -e $path2/bar ]
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[ ! -e $path2/dir2/bar ]
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[ ! -e $path2/.hg ]
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[[ $(cat $path2/dir1/foo) = foo ]]
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[[ $(nix eval --impure --raw --expr "(builtins.fetchMercurial $repo).rev") = 0000000000000000000000000000000000000000 ]]
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# ... unless we're using an explicit ref.
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path3=$(nix eval --impure --raw --expr "(builtins.fetchMercurial { url = $repo; rev = \"default\"; }).outPath")
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[[ $path = $path3 ]]
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# Committing should not affect the store path.
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hg commit --cwd $repo -m 'Bla3'
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path4=$(nix eval --impure --refresh --raw --expr "(builtins.fetchMercurial file://$repo).outPath")
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[[ $path2 = $path4 ]]
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