feat: add --upgrade and --upgrade-strategy options #1690
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Summary of changes
Resolves #1572
--upgradeoption toinjectandinstall, mirroring the pip install option.--upgrade-strategytoupgradeas well as all subcommands where--upgradehas been added above. Upgrade strategy options are the same as pip's whereeagerupgrades all dependencies of the main package regardless of the upgrade being required, andonly-if-neededupgrades only dependencies that require an upgrade.Motivation
Provides a way to conditionally upgrade only if the currently installed version does not match the passed spec. Currently,
pipx upgradeupgrades to the latest available version and does not allow an installation spec.pipx install --upgradeallows this flexibility. This also adds parity with underlying pip commands which is a usability benefit.For example, if I have
blackv24.1.0 installed and I want to upgrade to no higher than the latest minor version of v24 I can now runpipx install --upgrade 'black<25', which was not possible previously.Test plan
PENDING