This is a pre-production deployment of Warehouse, however changes made here WILL affect the production instance of PyPI.
Latest Version Dependencies status unknown Test status unknown Test coverage unknown
Project Description

This is a script for package update and general system management in Gentoo’s portage package manager. The aim is to automate system updating and maintenance as straight forward as possible. There are a lot of commands to be run to keep a Gentoo Linux system healthy and tidy. Emerge alone does not do a lot. That’s where this script comes in.

What does emerge_update do?

The following tasks are run:

  1. Run qcheck --badonly --all to check for altered files belonging to packages installed with emerge. With a few exceptions no files should be modified. This is a simple way to detect malicious activities e.g. by an intruder.[1]
  2. Run eix-sync -q to update the package repository
  3. Backup /etc (see Backups)
  4. Run emerge @world. A lot of options are given, see Emerge Options
  5. If automatic unmasking of packages is detected, etc-update --automode=-5 /etc/portage is run to make the changes proposed by emerge permanent. If Oracle’s JDK should be downloaded, it does so. Then, emerge @world is run again.
  6. Run emerge --depclean to remove unnecessary packages
  7. Run revdep-rebuild --ignore to rebuild packages with broken shared library dependencies due to the last emerge.
  8. Run emerge @preserved-rebuild. Another measure to repair broken library dependencies. Gentoo recommends running both revdep-rebuild and @preserved-rebuild.
  9. Run python-updater if an update of Python was detected
  10. Run perl-cleaner --all
  11. Run cfg-update --update --automatic-only to update all config files which can be updated automatically.
  12. Run cfg-update --index to create update indexes for the next run of cfg-update.
  13. Run prelink --all to prelink all binaries to speed up loading them.
  14. Backup /var/db/pkg (see Backups). If this directory is destroyed, you are in the most serious trouble.
  15. Run qcheck --all --update to bring the checksums up-to-date for the next run.
  16. Run emaint -c all to check for potential problems or points for improvement. This does not repair anything. You can run emaint -f ... eg. emaint -f all to fix things.

Using emerge_update

Options

-h, --help show the help
--dry-run, -n don’t execute commands, just print them
--verbose, -v print commands as they are executed
--version, -V show program’s version number and exit
--output OUTPUT, -o OUTPUT
 specify output file
--append, -a append to output file instead of overwriting

To test the script, run it with emerge_update --dry-run. This way, it only shows what would be done.

Tip

Run the script with --verbose --output /var/log/emerge_update --append to have a nice log of what’s going on.

Tip

Run the script with nice -19 and ionice -c3 in order to not put the system under too much load.

Backups

Backups are done by renaming and hard-linking the target ~/.local/share/applications/mimeapps.listif possible. This does not work with mount points, however. Directories acting as a mount point are backed up as a tar file into a backup directory ( /var/lib/emerge_update by default). The backup directory is created if necessary.

Note

You should maintain the backup directory (usually /var/lib/emerge_update) by deleting old backups. You can do this with package tmpwatch. The move-and-link backups retain 8 generations.

Emerge Options

Emerge is run with these options:

--nospinner This is not desirable in automated runs of emerge
--update Only update packages
--newuse Update packages when the USE configuration changes
--deep Consider updating dependencies
--keep-going Continue in case of error to update as much as possible
--autounmask y Unmask required packages
--autounmask-write y
 Make unmasking permanent
--jobs n where n = 4. This runs a maximum of 4 parallel emerge jobs
--load-average n
 

where n is the number of processors on-line in the system or 3 if this number cannot be determined.

This prevents creating new emerge jobs if the load average if above n

Release History

Release History

0.8b2

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0.8b1

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0.7.4

This version

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0.7.3

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0.7.2

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0.7.1

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0.7

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0.6.2

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0.6.1

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0.6

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0.6b4

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0.6b3

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0.6b2

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0.6b1

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0.6b0

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0.6a0

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0.5

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0.4.11

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0.4.10

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0.4.9

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0.4.8

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0.4.7

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0.4.6

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0.4.5

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0.4.4

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0.4.3

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0.4.2

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0.4.1

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0.4

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0.4rc

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0.4b

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0.4a8

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0.4a7

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0.4a6

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0.4a5

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0.4a4

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0.4a3

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0.4a2

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0.4a1

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0.3.1

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0.3

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0.3rc

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0.3b3

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0.3b2

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0.3b

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0.2b

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
jw.emerge_update-0.7.4.tar.gz (8.6 kB) Copy SHA256 Checksum SHA256 Source Apr 6, 2016

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