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Solve hg "abandoned transaction" issue

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This commit is contained in:
CHEIKH Chawki 2018-12-04 16:14:23 +01:00
parent 4aee93d5ce
commit fa5143c722
1 changed files with 16 additions and 1 deletions
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17
src/libexpr/primops/fetchMercurial.cc
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@ -93,7 +93,22 @@ HgInfo exportMercurial(ref<Store> store, const std::string & uri,
Activity act(*logger, lvlTalkative, actUnknown, fmt("fetching Mercurial repository '%s'", uri));
if (pathExists(cacheDir)) {
runProgram("hg", true, { "pull", "-R", cacheDir, "--", uri });
try {
runProgram("hg", true, { "pull", "-R", cacheDir, "--", uri });
}
catch (ExecError & e){
string transJournal = cacheDir + "/.hg/store/journal";
/* hg throws "abandoned transaction" error only if this file exists */
if (pathExists(transJournal))
{
runProgram("hg", true, { "recover", "-R", cacheDir });
runProgram("hg", true, { "pull", "-R", cacheDir, "--", uri });
}
else
{
throw ExecError(e.status, fmt("program hg '%1%' ", statusToString(e.status)));
}
}
} else {
createDirs(dirOf(cacheDir));
runProgram("hg", true, { "clone", "--noupdate", "--", uri, cacheDir });