rawtherapee-unstable from home:rawtherapee project

For Arch Linux, edit /etc/pacman.conf and add the following (note that the order of repositories in pacman.conf is important, since pacman always downloads the first found package):

[home_rawtherapee_Arch_Extra]
Server = https://download.opensuse.org/repositories/home:/rawtherapee/Arch_Extra/$arch

Then run the following as root

key=$(curl -fsSL https://download.opensuse.org/repositories/home:rawtherapee/Arch_Extra/$(uname -m)/home_rawtherapee_Arch_Extra.key)
fingerprint=$(gpg --quiet --with-colons --import-options show-only --import --fingerprint <<< "${key}" | awk -F: '$1 == "fpr" { print $10 }')

pacman-key --init
pacman-key --add - <<< "${key}"
pacman-key --lsign-key "${fingerprint}"

pacman -Sy home_rawtherapee_Arch_Extra/rawtherapee-unstable

For Debian 9.0 run the following:

Keep in mind that the owner of the key may distribute updates, packages and repositories that your system will trust (more information).

echo 'deb http://download.opensuse.org/repositories/home:/rawtherapee/Debian_9.0/ /' | sudo tee /etc/apt/sources.list.d/home:rawtherapee.list
curl -fsSL https://download.opensuse.org/repositories/home:rawtherapee/Debian_9.0/Release.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/home_rawtherapee.gpg > /dev/null
sudo apt update
sudo apt install rawtherapee-unstable

For Debian 10 run the following:

Keep in mind that the owner of the key may distribute updates, packages and repositories that your system will trust (more information).

echo 'deb http://download.opensuse.org/repositories/home:/rawtherapee/Debian_10/ /' | sudo tee /etc/apt/sources.list.d/home:rawtherapee.list
curl -fsSL https://download.opensuse.org/repositories/home:rawtherapee/Debian_10/Release.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/home_rawtherapee.gpg > /dev/null
sudo apt update
sudo apt install rawtherapee-unstable

For Fedora Rawhide run the following as root:

dnf config-manager --add-repo https://download.opensuse.org/repositories/home:rawtherapee/Fedora_Rawhide/home:rawtherapee.repo
dnf install rawtherapee-unstable

For openSUSE Tumbleweed run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:rawtherapee/openSUSE_Tumbleweed/home:rawtherapee.repo
zypper refresh
zypper install rawtherapee-unstable

For openSUSE Factory PowerPC run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:rawtherapee/openSUSE_Factory_PowerPC/home:rawtherapee.repo
zypper refresh
zypper install rawtherapee-unstable

For openSUSE Factory ARM run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:rawtherapee/openSUSE_Factory_ARM/home:rawtherapee.repo
zypper refresh
zypper install rawtherapee-unstable

For openSUSE Factory run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:rawtherapee/openSUSE_Factory/home:rawtherapee.repo
zypper refresh
zypper install rawtherapee-unstable

For openSUSE Leap 15.4 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:rawtherapee/openSUSE_Leap_15.4/home:rawtherapee.repo
zypper refresh
zypper install rawtherapee-unstable

For xUbuntu 20.04 run the following:

Keep in mind that the owner of the key may distribute updates, packages and repositories that your system will trust (more information).

echo 'deb http://download.opensuse.org/repositories/home:/rawtherapee/xUbuntu_20.04/ /' | sudo tee /etc/apt/sources.list.d/home:rawtherapee.list
curl -fsSL https://download.opensuse.org/repositories/home:rawtherapee/xUbuntu_20.04/Release.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/home_rawtherapee.gpg > /dev/null
sudo apt update
sudo apt install rawtherapee-unstable