snap

OpenBSD upgrade script.

Changes

• 2015-03-25 : Add ability for snap to update itself and run installboot.
• 2014-09-26 : Pull in the fixes for etc and xetc set removal.

Features

• Upgrade to a release, or to snaps.
• Store config options in an rc file.
• Auto # cpu detection.
• Auto detection of arch type for arm: OMAP, IMX.
• Signing support with signify(1)

Installation

ftp https://raw.github.com/qbit/snap/master/snap
sudo install -m 755 snap /usr/local/bin

Usage

• -s force snap to use snapshots.
• -S do not check signatures.
• -c specify location of config file (default is ~/.snaprc)
• -e just extract sets in DST.
• -a use instead of what is 'arch' returns.
• -m use instead of what 'machine' returns.
• -v used to force snap to use (examples: snapshots or 5.3).
• -V used to force snap to use for sets (example: -V 5.3). Note: this will only apend 53 to sets, ie base53.tgz.
• -r run sysmerge after extracting {x}sets.
• -x do not extract x11 sets.
• -M specify a mirror to use (example: " -M ftp3.usa.openbsd.org")
• -i interactive with colors.
• -n force using bsd.mp as bsd.
• -k only install kernels and exit.
• -B do not backup current kernel.
• -u check for update to snap script.
• -U download new snap script (will replace currently installed version).
• -b device to install bootstrap to.
• -h help.

.snaprc options and defaults

• INTERACTIVE: false
• DST: /tmp/upgrade
• MERGE: false
• NO_X11: false
• CHK_UPDATE: false
• INS_UPDATE: false
• INSTBOOT: ** (no default, set to disk that has bootstrap installed, sd0 for example)
• MIRROR: ftp3.usa.openbsd.org

Examples

To update to the latest snapshot using an explicit mirror region:

snap -s -M ftp3.usa.openbsd.org

To update to the lastest version of 5.3 without updating xsets:

snap -v 5.3 -V 5.3 -x -M ftp3.usa.openbsd.org

Sample .snaprc

 INTERACTIVE:true
 DST:/tmp/upgrade
 MERGE:true
 MIRROR:ftp3.usa.openbsd.org
 NO_X11:true