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Fork of TWRP

This fork differs from the original in the following ways:

  • Designed to be built with CyanogenMod 13.0 only
  • Require fstab v2 syntax (see examples and supported flags below)
  • Use external repositories for pigz, exfat, fuse
  • Power key toggles screen on/off
  • Remove the need to specify either DEVICE_RESOLUTION or TW_THEME so long as TARGET_SCREEN_HEIGHT and TARGET_SCREEN_WIDTH are set
  • Other minor customizations (see change history)

Versioning

To help distinguish builds of recovery made from this fork, the minor version digit is replaced with M#. Minor version increments will be handled as needed, independent of TWRP. The major and semi-major version digits follow upstream to roughly indicate feature parity (as close as possible with a fork, anyways).

Convention:

  • 3.0.M0-0 incorporates all major features from TWRP 3.0.0-0
  • 3.0.M1-0 is the minor version increment after 3.0.M0-0 and is independent of any TWRP minor version increment(s)
  • 3.1.M0-0 is the semi-major version increment after 3.0.M4-2 and is tied to a TWRP semi-major version increment
  • 3.0.M0-1 is a device-specific fix to 3.0.M0-0; this device digit resets when any other version increments

Examples of fstab v2 for TWRP

Example fstab v2 for device mt2:

Worth noting in this example: encryptable= does not need to be specified if encryption keys are stored at the footer of /data. This is the default, assumed location.

# device                                          mount_point     fstype  mount_flags                             fs_mgr_flags   twrp_flags
/dev/block/platform/msm_sdcc.1/by-name/boot       /boot           emmc    defaults                                defaults
/dev/block/platform/msm_sdcc.1/by-name/cache      /cache          ext4    noatime,nosuid,nodev                    defaults
/dev/block/platform/msm_sdcc.1/by-name/userdata   /data           ext4    noatime,nosuid,nodev,noauto_da_alloc    length=-16384
/dev/block/platform/msm_sdcc.1/by-name/modem      /firmware       vfat    ro                                      defaults       twrp=display="Firmware";mounttodecrypt
/dev/block/platform/msm_sdcc.1/by-name/log        /log            ext4    defaults                                defaults       twrp=display="Log"
/dev/block/platform/msm_sdcc.1/by-name/misc       /misc           emmc    defaults                                defaults
/dev/block/platform/msm_sdcc.1/by-name/recovery   /recovery       emmc    defaults                                defaults
/dev/block/platform/msm_sdcc.1/by-name/system     /system         ext4    defaults                                defaults

/dev/block/mmcblk1p1                              /external_sd    vfat    defaults                                defaults       twrp=display="MicroSD";storage;wipeingui;removable
/dev/block/sda1                                   /usb-otg        vfat    defaults                                defaults       twrp=display="USB OTG";storage;wipeingui;removable

Example fstab v2 for device jewel:

# device                                           mount_point     fstype  mount_flags                           fs_mgr_flags                                              twrp_flags
/dev/block/platform/msm_sdcc.1/by-name/boot        /boot           emmc    defaults                              defaults
/dev/block/platform/msm_sdcc.1/by-name/cache       /cache          ext4    noatime,nosuid,nodev                  defaults
/dev/block/platform/msm_sdcc.1/by-name/userdata    /data           ext4    noatime,nosuid,nodev,noauto_da_alloc  encryptable=/dev/block/platform/msm_sdcc.1/by-name/extra
/dev/block/platform/msm_sdcc.1/by-name/devlog      /devlog         ext4    noatime,nosuid,nodev                  defaults                                                  twrp=display="Devlog"
/dev/block/platform/msm_sdcc.1/by-name/misc        /misc           emmc    defaults                              defaults
/dev/block/platform/msm_sdcc.1/by-name/recovery    /recovery       emmc    defaults                              defaults
/dev/block/platform/msm_sdcc.1/by-name/system      /system         ext4    noatime                               defaults

/dev/block/mmcblk1p1                               /external_sd    vfat    defaults                              defaults                                                  twrp=display="MicroSD";storage;wipeingui;removable
/dev/block/sda1                                    /usb-otg        vfat    defaults                              defaults                                                  twrp=display="USB OTG";storage;wipeingui;removable

Supported fstab v2 flags in TWRP

Recognized mount flags (Column 4):
Syntax: comma separated

  • bind
  • defaults
  • noatime
  • nodev
  • nodiratime
  • noexec
  • nosuid
  • private
  • rec
  • remount
  • ro
  • rw
  • shared
  • slave
  • unbindable

Recognized fs_mgr flags (Column 5):
Syntax: comma separated

  • defaults
  • encryptable=
  • length=

Recognized twrp flags (Column 6):
Syntax: semicolon separated, begin with twrp=
Example: twrp=display="Firmware";mounttodecrypt

  • andsec
  • backup=
  • backupname=
  • blocksize=
  • canbewiped
  • canencryptbackup=
  • display=
  • encryptable=
  • flashimg
  • forceencrypt=
  • ignoreblkid
  • length=
  • mounttodecrypt
  • removable
  • retainlayoutversion
  • rw
  • settingsstorage
  • storage
  • storagename=
  • subpartitionof=
  • symlink=
  • userdataencryptbackup=
  • usermrf
  • wipeduringfactoryreset
  • wipeingui