Merge remote-tracking branch 'origin/master' into flakes

doc/manual/advanced-topics/diff-hook.xml

doc/manual/advanced-topics/post-build-hook.xml

doc/manual/command-ref/nix-env.xml

doc/manual/installation/env-variables.xml

doc/manual/installation/installing-binary.xml

doc/manual/introduction/quick-start.xml

scripts/install-multi-user.sh

scripts/install-nix-from-closure.sh

shell.nix

src/libexpr/eval.cc

src/libexpr/eval.hh

src/libexpr/get-drvs.cc

src/libexpr/primops.cc

src/libexpr/primops/context.cc

src/libfetchers/tarball.cc

src/libmain/shared.cc

src/libstore/binary-cache-store.cc

src/libstore/build.cc

src/libstore/builtins/fetchurl.cc

src/libstore/content-address.cc