Merge pull request #1172 from carapace-sh/fish-local-var

fish: fix local var

Merge pull request #1171 from carapace-sh/zsh-placeholder

zsh: indexed placeholders

Merge pull request #1161 from carapace-sh/query-param

QueryF: use dummy param for now

Merge pull request #1158 from carapace-sh/query

query

Merge pull request #1156 from carapace-sh/dash-fix-position

traverse: fix dash args

Merge pull request #1150 from carapace-sh/envsubst-test

envsubts: added test

Merge pull request #1137 from carapace-sh/traverse-nix-profile

traverse: added NixProfile

Merge pull request #1136 from carapace-sh/assert-pkg

assert: public access

Merge pull request #1135 from carapace-sh/fix-multiparts

multiparts: clear uid on segments

Merge pull request #1130 from carapace-sh/flagset-exclusive-self

flagset: skip self in mutually exclusive check