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#include "git-utils.hh"
#include <regex>
std::optional<std::string> parseListReferenceHeadRef(std::string_view line)
{
const static std::regex head_ref_regex("^ref: ([^\\s]+)\\t+HEAD$");
std::match_results<std::string_view::const_iterator> match;
if (std::regex_match(line.cbegin(), line.cend(), match, head_ref_regex)) {
return match[1];
} else {
return std::nullopt;
}
}
std::optional<std::string> parseListReferenceForRev(std::string_view rev, std::string_view line)
{
const static std::regex rev_regex("^([^\\t]+)\\t+(.*)$");
std::match_results<std::string_view::const_iterator> match;
if (!std::regex_match(line.cbegin(), line.cend(), match, rev_regex)) {
return std::nullopt;
}
if (rev != match[2].str()) {
return std::nullopt;
}
return match[1];
}
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