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Merge pull request #9410 from edolstra/shallow

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Some shallow git fetching improvements
This commit is contained in:
Eelco Dolstra 2023-11-21 12:58:01 +01:00 committed by GitHub
commit c185e45ed7
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3 changed files with 8 additions and 5 deletions
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4
src/libfetchers/git-utils.cc
View file

@ -381,7 +381,9 @@ struct GitRepoImpl : GitRepo, std::enable_shared_from_this<GitRepoImpl>
};
git_fetch_options opts = GIT_FETCH_OPTIONS_INIT;
opts.depth = shallow ? 1 : GIT_FETCH_DEPTH_FULL;
// FIXME: for some reason, shallow fetching over ssh barfs
// with "could not read from remote repository".
opts.depth = shallow && parseURL(url).scheme != "ssh" ? 1 : GIT_FETCH_DEPTH_FULL;
opts.callbacks.payload = &act;
opts.callbacks.sideband_progress = sidebandProgressCallback;
opts.callbacks.transfer_progress = transferProgressCallback;

5
src/libfetchers/git.cc
View file

@ -518,8 +518,11 @@ struct GitInputScheme : InputScheme
if (doFetch) {
try {
auto fetchRef = getAllRefsAttr(input)
auto fetchRef =
getAllRefsAttr(input)
? "refs/*"
: input.getRev()
? input.getRev()->gitRev()
: ref.compare(0, 5, "refs/") == 0
? ref
: ref == "HEAD"

4
tests/functional/fetchGit.sh
View file

@ -51,9 +51,7 @@ git -C $repo add differentbranch
git -C $repo commit -m 'Test2'
git -C $repo checkout master
devrev=$(git -C $repo rev-parse devtest)
out=$(nix eval --impure --raw --expr "builtins.fetchGit { url = file://$repo; rev = \"$devrev\"; }" 2>&1) || status=$?
[[ $status == 1 ]]
[[ $out =~ 'Cannot find Git revision' ]]
nix eval --impure --raw --expr "builtins.fetchGit { url = file://$repo; rev = \"$devrev\"; }"
[[ $(nix eval --raw --expr "builtins.readFile (builtins.fetchGit { url = file://$repo; rev = \"$devrev\"; allRefs = true; } + \"/differentbranch\")") = 'different file' ]]