Permission denied after using install.sh

[soywod]

$ curl -sSL https://raw.githubusercontent.com/pimalaya/himalaya/master/install.sh | PREFIX=~/downloads/release sh

Downloading latest linux release…
Installing binary…
himalaya v1.0.0 +wizard +pgp-commands +imap +maildir +sendmail +smtp
build: linux musl x86_64
git: nix-flake-20241209110415, rev ce0b2dd8d378c834bf22600d4ea508baad43dab0 installed!
rm: impossible de supprimer '/tmp/tmp.z1ozyOaacb/share/applications/himalaya.desktop': Permission denied
rm: impossible de supprimer '/tmp/tmp.z1ozyOaacb/share/man/himalaya-envelope.1.gz': Permission denied
rm: impossible de supprimer '/tmp/tmp.z1ozyOaacb/share/man/himalaya-folder.1.gz': Permission denied
rm: impossible de supprimer '/tmp/tmp.z1ozyOaacb/share/man/himalaya-message.1.gz': Permission denied
rm: impossible de supprimer '/tmp/tmp.z1ozyOaacb/share/man/himalaya-attachment.1.gz': Permission denied
rm: impossible de supprimer '/tmp/tmp.z1ozyOaacb/share/man/himalaya-account.1.gz': Permission denied
rm: impossible de supprimer '/tmp/tmp.z1ozyOaacb/share/man/himalaya.1.gz': Permission denied
rm: impossible de supprimer '/tmp/tmp.z1ozyOaacb/share/man/himalaya-flag.1.gz': Permission denied
rm: impossible de supprimer '/tmp/tmp.z1ozyOaacb/share/man/himalaya-completion.1.gz': Permission denied
rm: impossible de supprimer '/tmp/tmp.z1ozyOaacb/share/man/himalaya-manual.1.gz': Permission denied
rm: impossible de supprimer '/tmp/tmp.z1ozyOaacb/share/man/himalaya-template.1.gz': Permission denied
rm: impossible de supprimer '/tmp/tmp.z1ozyOaacb/share/completions/himalaya.powershell': Permission denied
rm: impossible de supprimer '/tmp/tmp.z1ozyOaacb/share/completions/himalaya.fish': Permission denied
rm: impossible de supprimer '/tmp/tmp.z1ozyOaacb/share/completions/himalaya.elvish': Permission denied
rm: impossible de supprimer '/tmp/tmp.z1ozyOaacb/share/completions/himalaya.zsh': Permission denied
rm: impossible de supprimer '/tmp/tmp.z1ozyOaacb/share/completions/himalaya.bash': Permission denied

It looks like a permission issue during packaging:

https://github.com/pimalaya/nix/blob/c1f6ca4d95ef9647478d70a137b76f1cf2791faa/.github/workflows/release.yml#L60