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Adaptations/libhybris/Install SailfishOS for hammerhead
Install adb and fastboot
Debian/Ubuntu: apt-get install android-tools-adb android-tools-fastboot Fedora: yum install android-tools Mac OS X: Install Homebrew from http://brew.sh/, then: brew install android-platform-tools Windows: See http://wiki.cyanogenmod.org/w/Doc:_fastboot_intro for instructions
Download CyanogenMod 11 snapshot M9 from https://download.cyanogenmod.org/get/jenkins/78753/cm-11-20140805-SNAPSHOT-M9-hammerhead.zip and follow instructions from http://wiki.cyanogenmod.org/w/Install_CM_for_hammerhead to install the CyanogenMod image.
Download Sailfish OS for Nexus 5 image from [tbh] and flash it over CyanogenMod.
Reboot the device and it should boot to Sailfish OS.