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home-manager/tests/modules/programs/delta/delta-with-git-integration.nix

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Nix

{
programs.delta = {
enable = true;
enableGitIntegration = true;
options = {
features = "line-numbers decorations";
syntax-theme = "Dracula";
decorations = {
commit-decoration-style = "bold yellow box ul";
file-style = "bold yellow ul";
file-decoration-style = "none";
};
};
};
programs.git.enable = true;
nmt.script = ''
assertFileExists home-files/.config/git/config
assertFileContains home-files/.config/git/config '[core]'
assertFileRegex home-files/.config/git/config 'pager = .*/bin/delta'
assertFileContains home-files/.config/git/config '[interactive]'
assertFileRegex home-files/.config/git/config 'diffFilter = .*/bin/delta --color-only'
assertFileContains home-files/.config/git/config '[delta]'
assertFileContains home-files/.config/git/config 'features = "line-numbers decorations"'
assertFileContains home-files/.config/git/config 'syntax-theme = "Dracula"'
assertFileContains home-files/.config/git/config '[delta "decorations"]'
assertFileContains home-files/.config/git/config 'commit-decoration-style = "bold yellow box ul"'
assertFileContains home-files/.config/git/config 'file-decoration-style = "none"'
assertFileContains home-files/.config/git/config 'file-style = "bold yellow ul"'
# the wrapper should be created only if git integration is disabled
assertPathNotExists home-path/bin/.delta-wrapped
'';
}