Dotnetup: Support installing multiple runtimes at once#53469

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dsplaisted wants to merge 20 commits intodotnet:release/dnupfrom

dsplaisted:dotnetup-multi-runtime

Commits on Mar 13, 2026

Add Unix shell profile modification for defaultinstall

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Include dotnetup directory in PATH in generated env scripts

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Implement defaultinstall admin on Unix with dotnetup-only profiles

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Commits on Mar 15, 2026

Rewrite unix-environment-setup.md to lead with user-facing workflows

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Remove no-op SetEnvironmentVariable calls on Unix

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Use eval consistently in print-env-script examples

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Remove misleading 'source this script' comments from generated env scripts

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Update script examples to include dotnetup directory in PATH

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Update future work: defaultinstall admin is implemented

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Skip default install prompt when shell is unsupported on Unix

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Consolidate shell provider list into ShellDetection

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Merge AddProfileEntries and ReplaceProfileEntries into one method

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Use single MarkerComment constant from ShellProfileManager

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Clear shell command cache in generated env scripts

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Inline ShellOption validators and completions into initializer

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Move shell types to Microsoft.DotNet.Tools.Bootstrapper.Shell namespace

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Fix E2E test PATH assertion to handle dotnetup directory in PATH

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Commits on Mar 16, 2026