Add diff subcommand #87
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SandrineP
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When building locally on macos I see /Users/iant/github/git2cpp/src/utils/common.cpp:114:23: error: implicit instantiation of undefined template 'std::basic_stringstream<char>'
114 | std::stringstream buffer;
| ^
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__fwd/sstream.h:30:28: note: template is declared here
30 | class _LIBCPP_TEMPLATE_VIS basic_stringstream;
| ^
1 error generated.To fix this I need to add |
ianthomas23
requested changes
Feb 5, 2026
| if (repo.state() != GIT_REPOSITORY_STATE_NONE) | ||
| { | ||
| throw std::runtime_error("Cannot checkout, repository is in unexpected state"); | ||
| std::runtime_error("Cannot checkout, repository is in unexpected state"); |
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It looks like was deleted by accident?
src/subcommand/diff_subcommand.cpp
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| static int colour_printer([[maybe_unused]] const git_diff_delta* delta, [[maybe_unused]] const git_diff_hunk* hunk, const git_diff_line* line, void* payload) | ||
| { | ||
| bool* use_colour = reinterpret_cast<bool*>(payload); |
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I think it would be better to store bool use_colour rather than bool*. As it stands, later in this function both *use_colour and use_colour (without the dereference) are used, and they can't both work correctly!
JohanMabille
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Feb 6, 2026
JohanMabille
reviewed
Feb 6, 2026
Co-authored-by: Johan Mabille <johan.mabille@gmail.com>
ianthomas23
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Feb 6, 2026
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Add diff subcommand