Add freebsd-update conf, add doFileExist, getCurrentRcKeyValue and addRcKeyValue, fix zfsGetDatasetByMountpoint and executeCommand output
This commit is contained in:
parent
900e1939f3
commit
2507f10b59
405
cmd/utils.go
405
cmd/utils.go
@ -24,140 +24,221 @@ const (
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ifconfigipv4re = `inet[[:space:]](` + ipv4re + `)`
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// Maximum thread qty for start/stop
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gMaxThreads = 4
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gDefaultsJson = ` {
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"CONFIG_VERSION": "27",
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"allow_chflags": 0,
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"allow_mlock": 0,
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"allow_mount": 0,
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"allow_mount_devfs": 0,
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"allow_mount_fusefs": 0,
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"allow_mount_nullfs": 0,
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"allow_mount_procfs": 0,
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"allow_mount_tmpfs": 0,
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"allow_mount_zfs": 0,
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"allow_quotas": 0,
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"allow_raw_sockets": 0,
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"allow_set_hostname": 1,
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"allow_socket_af": 0,
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"allow_sysvipc": 0,
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"allow_tun": 0,
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"allow_vmm": 0,
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"assign_localhost": 0,
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"available": "readonly",
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"basejail": 0,
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"boot": 0,
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"bpf": 0,
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"children_max": "0",
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"comment": "none",
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"compression": "lz4",
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"compressratio": "readonly",
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"coredumpsize": "off",
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"count": "1",
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"cpuset": "off",
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"cputime": "off",
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"datasize": "off",
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"dedup": "off",
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"defaultrouter": "auto",
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"defaultrouter6": "auto",
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"depends": "none",
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"devfs_ruleset": "4",
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"dhcp": 0,
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"enforce_statfs": "2",
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"exec_clean": 1,
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"exec_created": "/usr/bin/true",
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"exec_fib": "0",
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"exec_jail_user": "root",
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"exec_poststart": "/usr/bin/true",
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"exec_poststop": "/usr/bin/true",
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"exec_prestart": "/usr/bin/true",
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"exec_prestop": "/usr/bin/true",
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"exec_start": "/bin/sh /etc/rc",
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"exec_stop": "/bin/sh /etc/rc.shutdown",
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"exec_system_jail_user": "0",
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"exec_system_user": "root",
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"exec_timeout": "60",
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"host_domainname": "none",
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"host_time": 1,
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"hostid": "36353536-3135-5a43-4a34-313130315a56",
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"hostid_strict_check": 0,
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"interfaces": "vnet0:bridge0",
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"ip4": "new",
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"ip4_addr": "none",
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"ip4_saddrsel": 1,
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"ip6": "new",
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"ip6_addr": "none",
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"ip6_saddrsel": 1,
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"ip_hostname": 0,
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"jail_zfs": 0,
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"jail_zfs_mountpoint": "none",
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"last_started": "none",
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"localhost_ip": "none",
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"login_flags": "-f root",
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"mac_prefix": "2c44fd",
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"maxproc": "off",
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"memorylocked": "off",
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"memoryuse": "off",
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"min_dyn_devfs_ruleset": "1000",
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"mount_devfs": 1,
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"mount_fdescfs": 1,
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"mount_linprocfs": 0,
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"mount_procfs": 0,
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"mountpoint": "readonly",
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"msgqqueued": "off",
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"msgqsize": "off",
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"nat": 0,
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"nat_backend": "ipfw",
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"nat_forwards": "none",
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"nat_interface": "none",
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"nat_prefix": "172.16",
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"nmsgq": "off",
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"notes": "none",
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"nsem": "off",
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"nsemop": "off",
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"nshm": "off",
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"nthr": "off",
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"openfiles": "off",
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"origin": "readonly",
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"owner": "root",
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"pcpu": "off",
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"plugin_name": "none",
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"plugin_repository": "none",
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"priority": "99",
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"pseudoterminals": "off",
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"quota": "none",
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"readbps": "off",
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"readiops": "off",
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"reservation": "none",
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"resolver": "/etc/resolv.conf",
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"rlimits": "off",
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"rtsold": 0,
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"securelevel": "2",
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"shmsize": "off",
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"stacksize": "off",
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"stop_timeout": "30",
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"swapuse": "off",
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"sync_state": "none",
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"sync_target": "none",
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"sync_tgt_zpool": "none",
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"sysvmsg": "new",
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"sysvsem": "new",
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"sysvshm": "new",
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"template": 0,
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"type": "jail",
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"used": "readonly",
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"vmemoryuse": "off",
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"vnet": 0,
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"vnet0_mac": "none",
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"vnet1_mac": "none",
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"vnet2_mac": "none",
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"vnet3_mac": "none",
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"vnet_default_interface": "auto",
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"vnet_interfaces": "none",
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"wallclock": "off",
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"writebps": "off",
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"writeiops": "off"
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}
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fbsdUpdateConfig = `# $FreeBSD$
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# Trusted keyprint. Changing this is a Bad Idea unless you've received
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# a PGP-signed email from <security-officer@FreeBSD.org> telling you to
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# change it and explaining why.
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KeyPrint 800651ef4b4c71c27e60786d7b487188970f4b4169cc055784e21eb71d410cc5
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# Server or server pool from which to fetch updates. You can change
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# this to point at a specific server if you want, but in most cases
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# using a "nearby" server won't provide a measurable improvement in
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# performance.
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ServerName update.FreeBSD.org
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# Components of the base system which should be kept updated.
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Components world
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# Example for updating the userland and the kernel source code only:
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# Components src/base src/sys world
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# Paths which start with anything matching an entry in an IgnorePaths
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# statement will be ignored.
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IgnorePaths
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# Paths which start with anything matching an entry in an IDSIgnorePaths
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# statement will be ignored by "freebsd-update IDS".
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IDSIgnorePaths /usr/share/man/cat
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IDSIgnorePaths /usr/share/man/whatis
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IDSIgnorePaths /var/db/locate.database
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IDSIgnorePaths /var/log
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# Paths which start with anything matching an entry in an UpdateIfUnmodified
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# statement will only be updated if the contents of the file have not been
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# modified by the user (unless changes are merged; see below).
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UpdateIfUnmodified /etc/ /var/ /root/ /.cshrc /.profile
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# When upgrading to a new FreeBSD release, files which match MergeChanges
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# will have any local changes merged into the version from the new release.
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MergeChanges /etc/
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### Default configuration options:
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# Directory in which to store downloaded updates and temporary
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# files used by FreeBSD Update.
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WorkDir /iocage/freebsd-update
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# Destination to send output of "freebsd-update cron" if an error
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# occurs or updates have been downloaded.
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# MailTo root
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# Is FreeBSD Update allowed to create new files?
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# AllowAdd yes
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# Is FreeBSD Update allowed to delete files?
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# AllowDelete yes
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# If the user has modified file ownership, permissions, or flags, should
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# FreeBSD Update retain this modified metadata when installing a new version
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# of that file?
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# KeepModifiedMetadata yes
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# When upgrading between releases, should the list of Components be
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# read strictly (StrictComponents yes) or merely as a list of components
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# which *might* be installed of which FreeBSD Update should figure out
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# which actually are installed and upgrade those (StrictComponents no)?
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StrictComponents yes
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# When installing a new kernel perform a backup of the old one first
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# so it is possible to boot the old kernel in case of problems.
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BackupKernel no
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# If BackupKernel is enabled, the backup kernel is saved to this
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# directory.
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# BackupKernelDir /boot/kernel.old
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# When backing up a kernel also back up debug symbol files?
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BackupKernelSymbolFiles no
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# Create a new boot environment when installing patches
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CreateBootEnv no
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`
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gDefaultsJson = `{
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"CONFIG_VERSION": "27",
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"allow_chflags": 0,
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"allow_mlock": 0,
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"allow_mount": 0,
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"allow_mount_devfs": 0,
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"allow_mount_fusefs": 0,
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"allow_mount_nullfs": 0,
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"allow_mount_procfs": 0,
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"allow_mount_tmpfs": 0,
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"allow_mount_zfs": 0,
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"allow_quotas": 0,
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"allow_raw_sockets": 0,
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"allow_set_hostname": 1,
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"allow_socket_af": 0,
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"allow_sysvipc": 0,
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"allow_tun": 0,
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"allow_vmm": 0,
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"assign_localhost": 0,
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"available": "readonly",
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"basejail": 0,
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"boot": 0,
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"bpf": 0,
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"children_max": "0",
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"comment": "none",
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"compression": "lz4",
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"compressratio": "readonly",
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"coredumpsize": "off",
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"count": "1",
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"cpuset": "off",
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"cputime": "off",
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"datasize": "off",
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"dedup": "off",
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"defaultrouter": "auto",
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"defaultrouter6": "auto",
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"depends": "none",
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"devfs_ruleset": "4",
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"dhcp": 0,
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"enforce_statfs": "2",
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"exec_clean": 1,
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"exec_created": "/usr/bin/true",
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"exec_fib": "0",
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"exec_jail_user": "root",
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"exec_poststart": "/usr/bin/true",
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"exec_poststop": "/usr/bin/true",
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"exec_prestart": "/usr/bin/true",
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"exec_prestop": "/usr/bin/true",
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"exec_start": "/bin/sh /etc/rc",
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"exec_stop": "/bin/sh /etc/rc.shutdown",
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"exec_system_jail_user": "0",
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"exec_system_user": "root",
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"exec_timeout": "60",
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"host_domainname": "none",
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"host_time": 1,
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"hostid": "TO-BE-REPLACED-WITH-HOSTID",
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"hostid_strict_check": 0,
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"interfaces": "vnet0:TO-BE-REPLACED-WITH-BRIDGE",
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"ip4": "new",
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"ip4_addr": "none",
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"ip4_saddrsel": 1,
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"ip6": "new",
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"ip6_addr": "none",
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"ip6_saddrsel": 1,
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"ip_hostname": 0,
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"jail_zfs": 0,
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"jail_zfs_mountpoint": "none",
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"last_started": "none",
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"localhost_ip": "none",
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"login_flags": "-f root",
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"mac_prefix": "2c44fd",
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"maxproc": "off",
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"memorylocked": "off",
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"memoryuse": "off",
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"min_dyn_devfs_ruleset": "1000",
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"mount_devfs": 1,
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"mount_fdescfs": 1,
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"mount_linprocfs": 0,
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"mount_procfs": 0,
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"mountpoint": "readonly",
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"msgqqueued": "off",
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"msgqsize": "off",
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"nat": 0,
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"nat_backend": "ipfw",
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"nat_forwards": "none",
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"nat_interface": "none",
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"nat_prefix": "172.16",
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"nmsgq": "off",
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"notes": "none",
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"nsem": "off",
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"nsemop": "off",
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"nshm": "off",
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"nthr": "off",
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"openfiles": "off",
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"origin": "readonly",
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"owner": "root",
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"pcpu": "off",
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"plugin_name": "none",
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"plugin_repository": "none",
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"priority": "99",
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"pseudoterminals": "off",
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"quota": "none",
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"readbps": "off",
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"readiops": "off",
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"reservation": "none",
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"resolver": "/etc/resolv.conf",
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"rlimits": "off",
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"rtsold": 0,
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"securelevel": "2",
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"shmsize": "off",
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"stacksize": "off",
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"stop_timeout": "30",
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"swapuse": "off",
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"sync_state": "none",
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"sync_target": "none",
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"sync_tgt_zpool": "none",
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"sysvmsg": "new",
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"sysvsem": "new",
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"sysvshm": "new",
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"template": 0,
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"type": "jail",
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"used": "readonly",
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"vmemoryuse": "off",
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"vnet": 0,
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"vnet0_mac": "none",
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"vnet1_mac": "none",
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"vnet2_mac": "none",
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"vnet3_mac": "none",
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"vnet_default_interface": "auto",
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"vnet_interfaces": "none",
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"wallclock": "off",
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"writebps": "off",
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"writeiops": "off"
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}
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`
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)
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@ -362,7 +443,7 @@ func executeCommand(cmdline string) (string, error) {
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out, err = exec.Command(cmd[0]).CombinedOutput()
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}
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return string(out), err
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return strings.TrimSuffix(string(out), "\n"), err
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}
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/* From iocage:
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@ -812,7 +893,9 @@ func zfsCreateDataset(dataset, mountpoint, compression string) error {
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}
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// Return dataset name for a given mountpoint
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func zfsGetDatasetByMountpoint(mountpoint string) (string, error) {
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cmd := fmt.Sprintf("zfs list -p -r -H -o name %s", mountpoint)
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// We dont want no recursivity
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//cmd := fmt.Sprintf("zfs list -p -r -H -o name %s", mountpoint)
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cmd := fmt.Sprintf("zfs list -p -H -o name %s", mountpoint)
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out, err := executeCommand(cmd)
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if err != nil {
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return "", errors.New(fmt.Sprintf("%v; command returned \"%s\"", err, out))
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@ -866,6 +949,17 @@ func getPermissions(path string) (os.FileInfo, error) {
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return os.Stat(path)
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}
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func doFileExist(filePath string) (bool, error) {
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if _, err := os.Stat(filePath); err != nil {
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if errors.Is(err, os.ErrNotExist) {
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return false, nil
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} else {
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return false, err
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}
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}
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return true, nil
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}
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/*****************************************************************************
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*
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* rc.conf management
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@ -891,7 +985,7 @@ func disableRcKey(rcconfpath string, key string) error {
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return err
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}
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}
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cmd = fmt.Sprintf("/usr/sbin/sysrc -f %s -x %s", rcconfpath, key)
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_, err = executeCommand(cmd)
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if err != nil {
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@ -900,6 +994,43 @@ func disableRcKey(rcconfpath string, key string) error {
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return nil
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}
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// returns no error if rc key does not exist
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func getCurrentRcKeyValue(rcconfpath string, key string) (string, error) {
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cmd := "/usr/sbin/sysrc -a"
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kvs, err := executeCommand(cmd)
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if err != nil {
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return "", err
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}
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for _, kv := range strings.Split(string(kvs), "\n") {
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fmt.Printf("%s\n", kv)
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if strings.HasPrefix(kv, fmt.Sprintf("%s:", key)) {
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return strings.TrimPrefix(strings.Join(strings.Split(kv, ":")[1:], ":"), " "), nil
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}
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}
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return "", nil
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}
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// Add a value to current existing key value
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func addRcKeyValue(rcconfpath string, key string, value string) error {
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var nv string
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cv, err := getCurrentRcKeyValue(rcconfpath, key)
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if err != nil {
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return err
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}
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if len(cv) > 0 {
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log.Debugf("Current value of %s: %s\n", key, cv)
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nv = fmt.Sprintf("\"%s %s\"", cv, value)
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} else {
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nv = fmt.Sprintf("\"%s\"", value)
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}
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cmd := fmt.Sprintf("/usr/sbin/sysrc -f %s %s=%s", rcconfpath, key, nv)
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_, err = executeCommand(cmd)
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if err != nil {
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return err
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}
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return nil
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}
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/*****************************************************************************
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* Parse an fstab file, returning an array of Mount
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*****************************************************************************/
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