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Revert libgit2 fetching

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libgit2 is not capable of using git-credentials helpers yet.
This prevents private repositories from being used.

Based on code that was replaced in https://github.com/NixOS/nix/pull/9240
(Introduce libgit2); hence:

Co-authored-by: Eelco Dolstra <edolstra@gmail.com>
This commit is contained in:
Robert Hensing 2024-01-18 22:26:24 +01:00
parent 76a50b3a69
commit 8d422c2fef
1 changed files with 12 additions and 19 deletions
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31
src/libfetchers/git-utils.cc
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@ -383,27 +383,20 @@ struct GitRepoImpl : GitRepo, std::enable_shared_from_this<GitRepoImpl>
{ {
Activity act(*logger, lvlTalkative, actFetchTree, fmt("fetching Git repository '%s'", url)); Activity act(*logger, lvlTalkative, actFetchTree, fmt("fetching Git repository '%s'", url));
Remote remote; // TODO: implement git-credential helper support (preferably via libgit2, which as of 2024-01 does not support that)
// then use code that was removed in this commit (see blame)
if (git_remote_create_anonymous(Setter(remote), *this, url.c_str())) auto dir = this->path;
throw Error("cannot create Git remote '%s': %s", url, git_error_last()->message);
char * refspecs[] = {(char *) refspec.c_str()}; runProgram(RunOptions {
git_strarray refspecs2 { .program = "git",
.strings = refspecs, .searchPath = true,
.count = 1 // FIXME: git stderr messes up our progress indicator, so
}; // we're using --quiet for now. Should process its stderr.
.args = { "-C", path.abs(), "fetch", "--quiet", "--force", "--", url, refspec },
git_fetch_options opts = GIT_FETCH_OPTIONS_INIT; .input = {},
// FIXME: for some reason, shallow fetching over ssh barfs .isInteractive = true
// 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;
if (git_remote_fetch(remote.get(), &refspecs2, &opts, nullptr))
throw Error("fetching '%s' from '%s': %s", refspec, url, git_error_last()->message);
} }
void verifyCommit( void verifyCommit(