VS Code has diff decorations in its Explorer View, tab handles, Source Control View, editor gutter, editor minimap, and editor scrollbars ("overview rulers"). How can I change the colours of the source control diff decorations in each of those places?
You can use the following colour customization points (this goes in settings.json):
"workbench.colorCustomizations": {
// for the editor gutter:
"editorGutter.addedBackground": "#00cf00",
"editorGutter.modifiedBackground": "#0080ff",
"editorGutter.deletedBackground": "#cf0000",
"editorGutter.addedSecondaryBackground": "#00cf00",
"editorGutter.modifiedSecondaryBackground": "#0080ff",
"editorGutter.deletedSecondaryBackground": "#cf0000",
// for the minimap:
"minimapGutter.addedBackground": "#00cf00",
"minimapGutter.modifiedBackground": "#0080ff",
"minimapGutter.deletedBackground": "#cf0000",
// for the editor scrollbar
"editorOverviewRuler.addedForeground": "#00cf00",
"editorOverviewRuler.modifiedForeground": "#0080ff",
"editorOverviewRuler.deletedForeground": "#cf0000",
// for the Explorer View, Source Control View, and tab handles
"gitDecoration.addedResourceForeground": "#00cf00",
"gitDecoration.modifiedResourceForeground": "#0080ff",
"gitDecoration.deletedResourceForeground": "#cf0000",
"gitDecoration.stageAddedResourceForeground": "#00cf00",
"gitDecoration.stageModifiedResourceForeground": "#0080ff",
"gitDecoration.stageDeletedResourceForeground": "#cf0000",
// bonus:
"gitDecoration.conflictingResourceForeground": "#ff0000",
"gitDecoration.ignoredResourceForeground": "#ff0000",
"gitDecoration.renamedResourceForeground": "#ff0000",
"gitDecoration.submoduleResourceForeground": "#ff0000",
"gitDecoration.untrackedResourceForeground": "#ff0000",
}
The values above are just placeholders. Adjust them to your liking.