├── LICENSE ├── README.md ├── prep4ud.inst ├── prep4ud.sh └── root /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 2, June 1991 3 | 4 | Copyright (C) 1989, 1991 Free Software Foundation, Inc., 5 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 6 | Everyone is permitted to copy and distribute verbatim copies 7 | of this license document, but changing it is not allowed. 8 | 9 | Preamble 10 | 11 | The licenses for most software are designed to take away your 12 | freedom to share and change it. By contrast, the GNU General Public 13 | License is intended to guarantee your freedom to share and change free 14 | software--to make sure the software is free for all its users. This 15 | General Public License applies to most of the Free Software 16 | Foundation's software and to any other program whose authors commit to 17 | using it. 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See the 304 | GNU General Public License for more details. 305 | 306 | You should have received a copy of the GNU General Public License along 307 | with this program; if not, write to the Free Software Foundation, Inc., 308 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 309 | 310 | Also add information on how to contact you by electronic and paper mail. 311 | 312 | If the program is interactive, make it output a short notice like this 313 | when it starts in an interactive mode: 314 | 315 | Gnomovision version 69, Copyright (C) year name of author 316 | Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 317 | This is free software, and you are welcome to redistribute it 318 | under certain conditions; type `show c' for details. 319 | 320 | The hypothetical commands `show w' and `show c' should show the appropriate 321 | parts of the General Public License. Of course, the commands you use may 322 | be called something other than `show w' and `show c'; they could even be 323 | mouse-clicks or menu items--whatever suits your program. 324 | 325 | You should also get your employer (if you work as a programmer) or your 326 | school, if any, to sign a "copyright disclaimer" for the program, if 327 | necessary. Here is a sample; alter the names: 328 | 329 | Yoyodyne, Inc., hereby disclaims all copyright interest in the program 330 | `Gnomovision' (which makes passes at compilers) written by James Hacker. 331 | 332 | , 1 April 1989 333 | Ty Coon, President of Vice 334 | 335 | This General Public License does not permit incorporating your program into 336 | proprietary programs. If your program is a subroutine library, you may 337 | consider it more useful to permit linking proprietary applications with the 338 | library. If this is what you want to do, use the GNU Lesser General 339 | Public License instead of this License. 340 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # prep4ud
2 | 3 | A bash script for faster pacman updates. Pre-downloads up-datable packages.
4 | This script was created to avoid the pitfalls of a "partial upgrade" (1) IE: (pacman -Syuw ) (2).
5 | Does NOT perform unattended system update. Requires user to manually run updates (pacman -Syu).
6 | 7 | (1): https://wiki.archlinux.org/index.php/System_maintenance#Partial_upgrades_are_unsupported
8 | (2): https://www.reddit.com/r/archlinux/comments/9gy7gk/-/e683akq/
9 | And: https://www.reddit.com/r/archlinux/comments/9hs7c0/pacman_updates_downloadonly_script_without/
10 | 11 | The script copies pacman databases to /tmp, checks for system update availability, creates update list, downloads updates to /var/cache/pacman/pkg/ without installing anything. It then prints a report named 'current date' to ~/Desktop/prep4ud.dir/. 12 | 13 | I've set up prep4ud to auto run daily via cron.
14 | 15 | ![prep4ud-2020-12-05](https://user-images.githubusercontent.com/36802396/101270322-b7ff9080-372c-11eb-9af6-c4aa0af80a98.png) 16 | 17 | Screenshot prep4ud: https://cody-learner.github.io/prep4ud.html
18 | Report prep4ud: https://cody-learner.github.io/prep4ud-report.html
19 |
20 |
21 | NEWS/UPDATE INFO:
22 |
23 | UPDATE Oct 07, 2024:
24 | Reverted change to Uzr variable.
25 | 26 | 27 | UPDATE Sep 28, 2024:
28 | prep4ud:
29 | Added '+x' to temp dirs to work with changes in pacman 7.0.
30 | Added a set of missing double quotes to appease shellcheck.
31 | Use $UID in place of hardcoded user 1000 for Uzr variable.
32 | 33 | 34 | UPDATE July 26, 2024:
35 | prep4ud:
36 | Added 'Destdir' variable.
37 | Added check/create Destdir if missing.
38 | Redirected 'stderr' to /dev/null for 'find' command in setting 'Count' variable.
39 | 40 | 41 | UPDATE June 16, 2021:
42 | Added capacity to send temp db sync errors to report.
43 | Added pacman '--color=never' to temp db sync operation to remove color codes in report.
44 | Added '$1" "' to: 'awk '/downloading/ {print $1" "$2}' "${tmpDir}"/pacSw. Now works with pacman 6.0 'downloading packages' format.
45 | Clean up and carify comments.
46 | 47 | 48 | UPDATE Feb 11, 2021:
49 | Line containing 'pacman -Sw redirection to pacSw file': Fixed issue causing error printed to that file.
50 | Fixed grep pattern matches to eliminate term that was part of a package name,
51 | and to more accurately reflect desired result printing errors/issues to report.
52 | 53 | 54 | UPDATE Dec 07, 2020:
55 | Tee 'pacman -Sw' output to terminal to show whats going on when running manually. 56 | 57 | 58 | UPDATE Dec 05, 2020:
59 | Added date and more detailed transaction info in prep4ud report.
60 | Refined find command to handle subdir's presence in report directory.
61 | Switched order of if statement used to send report.
62 | Implemented mktmp use for directories to simplify cleanup.
63 | Switched all uppercase use in var's to Up/lower case.
64 | Implemented parameter expansion in array usage.
65 | Eliminate downloading updates for "ignored packages".
66 | 67 | 68 | UPDATE Oct 29, 2019: 69 | Fix for pacman 5.2 change of date format in pacman.log 70 | 71 | 72 | NEWS FOR Oct 29, 2019:
73 | The functionality of prep4ud has now been added (nearly same method and code) in an official repo package, in the checkupdates script. 74 | Checkupdates is available in the pacman-contrib package. Shout out to Eli Schwartz for the contribution!
75 | Notable differences being additional information provided in prep4ud reports
76 | and checkupdates omits downloading packages listed in ignore section, in /etc/pacman.conf.
77 | 78 | 79 | UPDATE Feb 13, 2019: 80 | Eliminated separate package cache. Updated packages are downloaded to pacman package cache /var/cache/pacman/pkg/. 81 | Use pacman -Syu to update. 82 | 83 | 84 | UPDATE Nov 16, 2018: 85 | Added a separate package cache to prevent potential issues between updates. Added "No updates available" capability. 86 | 87 | -------------------------------------------------------------------------------- /prep4ud.inst: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | # prep4ud.inst 2024-08-30 3 | # Checks for/installs cronie, creates root crontab to run prep4ud every day at 10:00am. 4 | 5 | B=$(tput bold) 6 | O=$(tput sgr0) 7 | 8 | if ! type crontab &>/dev/null ; then 9 | printf '\n%s\n\n' "${B} Prep4ud config script -- cronie is needed and not installed.${O}" 10 | sudo pacman --color=always -S cronie 11 | fi 12 | printf '\n%s\n\n' " Appending crontab file with." 13 | 14 | printf '%s\n' " # RUN 10:00 AM DAILY $(type -p prep4ud)" | sudo tee -a /var/spool/cron/root 15 | printf '%s\n' " 00 10 * * * $(type -p prep4ud)" | sudo tee -a /var/spool/cron/root 16 | 17 | printf '\n%s\n\n' " Running 'sudo crontab -l' to display /var/spool/cron/root" 18 | sudo crontab -l 19 | 20 | printf '\n%s\n\n' " Starting/enabling/displaying systemd cronie.service." 21 | sudo systemctl enable --now cronie.service 22 | systemctl status cronie.service 23 | -------------------------------------------------------------------------------- /prep4ud.sh: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | # prep4ud 2024-10-07 3 | # attribute Lastud awk code: Trilby https://bbs.archlinux.org/viewtopic.php?pid=1775384#p1775384 4 | # shellcheck disable=SC2004,SC2024,SC2129 5 | 6 | Date=$(date '+%Y-%m-%d') 7 | Uzr=$(getent passwd 1000 | awk -F':' '{print $1}') # Set to send report 8 | Destdir="/home/${Uzr}/Desktop/prep4ud.dir" # Set Destdir 9 | Sendto="/home/${Uzr}/Desktop/prep4ud.dir/prep4ud-${Date}" # Set to send report 10 | Lastrb=$(uptime -p | awk '{$1=""; print}') # Last reboot 11 | Count=$(find /home/"${Uzr}"/Desktop/prep4ud.dir/* -maxdepth 0 -type f 2>/dev/null | wc -l) # Count reports in 12 | tmpDir=$(mktemp -d) # Create /tmp/ for files 13 | tmpDB=$(mktemp -d) # Create /tmp/ for DB's 14 | #=============================================================================================# 15 | Lastud=$(awk -F'[][ :-]' ' /upgrade$/ {gsub (/T/, " ") ; last = mktime($2 " " $3 " " $4 " " $5 " " $6 " 00")} # Added: gsub (/T/, " ") ; 16 | END { s = systime() - last; # for pacman.log date format change 17 | d = int(s / 86400); 18 | h = int((s - d * 86400) / 3600) 19 | m = int((s - d * 86400 - h * 3600) / 60) 20 | printf "%d days, %d hours, %d minutes ago\n", d, h, m 21 | } ' /var/log/pacman.log) 22 | #=============================================================================================# 23 | 24 | sudo chmod +x "${tmpDir}" 25 | sudo chmod +x "${tmpDB}" 26 | 27 | [[ ! -d ${Destdir} ]] && mkdir -p "${Destdir}" # Check/create Destdir 28 | 29 | if (($Count >= 5)) ; then 30 | rm "$(find /home/"${Uzr}"/Desktop/prep4ud.dir/* -maxdepth 0 -type f | sort | head -n -4 | xargs)" # Maintain 5 reports in 31 | fi 32 | trap 'sudo rm -rd --interactive=never "${tmpDir}" "${tmpDB}"' INT TERM EXIT # Clean up 33 | cp -r /var/lib/pacman/* "${tmpDB}" # Copy pacman DB to "${tmpDB}" 34 | sudo pacman -Syy --color=never --dbpath "${tmpDB}" 2> "${tmpDir}"/pacSyy # Update pacman DB in "${tmpDB}" 35 | # Redirect pacman errors to report 36 | 37 | readarray -t updates < <(pacman -Qu --dbpath "${tmpDB}" |& tee -a 2>"${Sendto}" | tee >(grep '\[*\]' > "${tmpDir}"/ignored) | grep -v '\[*\]' ) 38 | 39 | if [[ -n "${updates[*]}" ]] ; then # Above: Create updateable pkg array 40 | # Redirect pacman errors to report 41 | 42 | if ! sudo pacman -Spw --needed --noconfirm --dbpath "${tmpDB}" "${updates[@]%% *}" &> "${tmpDir}"/pacSpw ; then 43 | grep -E 'WARNING:|warning:|error:|:: Replace' "${tmpDir}"/pacSpw >> "${Sendto}" 44 | fi # Above: 45 | # Print list, "file:" & "https:" pkgs 46 | # Send pacman errors to report 47 | 48 | if ! sudo pacman -Sw --needed --noconfirm --dbpath "${tmpDB}" "${updates[@]%% *}" |& tee "${tmpDir}"/pacSw ; then 49 | grep -E 'WARNING:|warning:|error:|:: Replace' "${tmpDir}"/pacSw >> "${Sendto}" 50 | fi # Above: 51 | # Download updates w/o installing 52 | # Send pacman errors to report 53 | 54 | echo "Prep4ud report : $(date '+%b %d %Y %I:%M %p')" >> "${Sendto}" # Everything below here is for 55 | echo "Last update : ${Lastud}" >> "${Sendto}" # printing reports and 56 | echo "Last reboot :${Lastrb} ago" >> "${Sendto}" # changing report permissions 57 | grep -E 'WARNING:|warning:|error:|:: Replace' "${tmpDir}"/pacSyy >> "${Sendto}" 58 | echo >> "${Sendto}" 59 | echo "Updates available:" >> "${Sendto}" 60 | printf "%s\n" "${updates[@]}" | nl | column -t >> "${Sendto}" 61 | echo >> "${Sendto}" 62 | echo "Updates available, not downloaded:" >> "${Sendto}" 63 | awk '{print "-- "$0}' "${tmpDir}"/ignored | column -t >> "${Sendto}" 64 | echo >> "${Sendto}" 65 | echo "Updates available locally:" >> "${Sendto}" 66 | awk -F '/' '/file:/ {print $8}' "${tmpDir}"/pacSpw |sort|nl -n'ln' -s' ' -w3 >> "${Sendto}" 67 | echo >> "${Sendto}" 68 | echo "Downloaded packages:" >> "${Sendto}" 69 | awk '/downloading/ {print $1" "$2}' "${tmpDir}"/pacSw |sort|nl -n'ln' -s' ' -w3 >> "${Sendto}" 70 | chown "$Uzr" "${Sendto}" 71 | else 72 | echo "Last update : ${Lastud}" |& tee -a "${Sendto}" 73 | echo "Last reboot :${Lastrb} ago" |& tee -a "${Sendto}" 74 | grep -E 'WARNING:|warning:|error:|:: Replace' "${tmpDir}"/pacSyy |& tee -a "${Sendto}" 75 | echo "No updates available $(date '+%b %d %Y')" |& tee -a "${Sendto}" 76 | chown "$Uzr" "${Sendto}" 77 | exit 78 | fi 79 | -------------------------------------------------------------------------------- /root: -------------------------------------------------------------------------------- 1 | # File: /var/spool/cron/root 2 | # cron + cronie 3 | # 4 | # To setup a cron job, run # crontab -e 5 | # See: /var/spool/cron/root for file. 6 | # 7 | # Example: 8 | # 9 | # * = Wildcard, specifies every possible time interval 10 | # 11 | # min hour daymonth month dayofweek command 12 | # 13 | 14 | # RUN AT 08:00 AM WEDNESDAY /home/jeff/bin/jeffsbackup-2-sata-M2 15 | 16 | 00 08 * * 3 /home/jeff/bin/jeffsbackup-2-sata-M2 17 | 18 | 19 | # RUN 10:00 AM DAILY /home/jeff/bin/prep4ud 20 | 21 | 00 10 * * * /home/jeff/bin/prep4ud 22 | 23 | --------------------------------------------------------------------------------