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https://github.com/NixOS/nix
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23 lines
908 B
C++
23 lines
908 B
C++
#pragma once
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#include <string>
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#include <string_view>
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#include <optional>
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// Parses the HEAD ref as reported by `git ls-remote --symref`
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//
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// Returns the head branch name as reported by `git ls-remote --symref`, e.g., if
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// ls-remote returns the output below, "main" is returned based on the ref line.
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//
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// ref: refs/heads/main HEAD
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//
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// If the repository is in 'detached head' state (HEAD is pointing to a rev
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// instead of a branch), parseListReferenceForRev("HEAD") may be used instead.
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std::optional<std::string> parseListReferenceHeadRef(std::string_view line);
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// Parses a reference line from `git ls-remote --symref`, e.g.,
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// parseListReferenceForRev("refs/heads/master", line) will return 6926...
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// given the line below.
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//
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// 6926beab444c33fb57b21819b6642d032016bb1e refs/heads/master
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std::optional<std::string> parseListReferenceForRev(std::string_view rev, std::string_view line);
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