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--- tool:software:pacman [2020/06/30 06:49] – created - moved stuff over from the arch page rjt
+++ pacman [2022/08/17 14:59] (current) – [Keys] update, auto keyring update rjt
@@ Line 3: / Line 3: @@
 **Pacman** is the package management tool that comes with [[arch_linux]].
-It is very important to change the progress bar to look like [[person:Pacman]] eating dots. You do this by editing ''/etc/pacman.conf'', adding the line 'ILoveCandy' to the ''[options] > # Misc options'' section. Make sure you have colour enabled too.
+It is very important to change the progress bar to look like Pacman eating dots. You do this by editing ''/etc/pacman.conf'', adding the line 'ILoveCandy' to the ''[options] > # Misc options'' section. Make sure you have colour enabled too.
 ===== Usage =====
+I'll leave out the basics like ''-Syu'', ''-S'', ''-Ss'' and ''-Rsn''((But hey, in case you didn't know what the ''s'' and ''n'' are doing there: ''s'' include deps. not needed by anything else, ''n'' also ditches config. files (but not the ones in your home directory))); here're some ones I don't use as much / forget, but are real useful.
-===== Fixes =====
+''-S [group name]-{[name1],name2],[etc]}''
-==== AUR ====
+''-Qs''
-=== .SRCINFO and PKGBUILD mismatch ===
-Errors like
+''-Ql''
-  :: [package name] package(s) failed to install.
+''-Qo [/path/to/file_name]''
-  :: ensure package version does not mismatch between .SRCINFO and PKGBUILD
-  :: ensure package name has a VCS suffix if this is a devel package
-Are are [[pacaur]] problem, and can get gotten round by installing manually, or by using another helper
+''Q'' does stuff on installed packages, you can replace with ''F'' to do the same actions on stuff you haven't installed.
-[[Trizen]] and [[YAY]] seem to be the helpers to go for now.
+I also have an alias for my helper, so I type ''pact -[flags]'' to do stuff.
+===== Tips =====
+==== Maintenance ====
+=== .pacnew ===
+There are tools to manage ''.pacnew'' files that are created when core config files are updated FIXME
+I just use [[vim#vimdiff]] to check difference between the current and new files. You could also just use ''vim -d [file] [file]''. ''Ctrl+w [left or right arrow]'' to switch window, btw.
+You can get a nice list of ''.pacnew''s with ''find /etc -regextype posix-extended -regex ".+\.pac(new|save)" 2> /dev/null''
+=== Freeing Space ===
+To clear Pacman's cache ''pacman -Sc''.
+You can use Paccache (in [[arch>community/x86_64/pacman-contrib/pacman-contrib/|pacman-contrib]]) to have better control over what you do with cached packages. Egs.: ''paccache -rk 2'' will delete everything except the last two versions of a package. ''paccache -ruk0'' will remove everything for packages that are no longer installed.
+To find orphan packages ''pacman -Qdt''
 ==== Converting Packages ====
@@ Line 32: / Line 49: @@
   - ''$ debtap -p [deb file]'' to make the PKGBUILD
-  * [[git>helixarch/debtap]]
+  * [[github>helixarch/debtap]]
   * [[aur>debtap]]
@@ Line 40: / Line 57: @@
 === RPM ===
-==== Free Space ====
+==== Speeding Up Package Building ====
-To clear Pacman's cache ''pacman -Sc'' --- you can use ''paccache -rk 2'' to delete everything except the last two versions of a package, //which is a good idea//. ''paccache -ruk0'' will remove everything for packages that are no longer installed.
+  * [[archw>Makepkg]]
+    * [[archw>Makepkg#Improving_compile_times]]
+    * [[archw>Makepkg#Utilizing_multiple_cores_on_compression]]
-To find orphan packages ''pacman -Qdt''
+===== Fixes =====
+==== Keys ====
+If you get errors about keys (and things like files being corrupt), try updating ''archlinux-keyring'' before doing a full update. EG: (''sudo pacman -Sy archlinux-keyring && sudo pacman -Su''. You might want to chuck that in an alias.
+nbjp [[https://monthly-reports.archlinux.page/2022/07/|Apparently Arch now updates the keyring weekly]].
+==== AUR ====
+=== .SRCINFO and PKGBUILD mismatch ===
+Errors like
+  :: [package name] package(s) failed to install.
+  :: ensure package version does not mismatch between .SRCINFO and PKGBUILD
+  :: ensure package name has a VCS suffix if this is a devel package
+Are a [[pacaur]] problem, and can get gotten round by installing manually, or by using another helper
+[[trizen]] and [[yay]] seem to be the helpers to go for now.
 ==== Missing Files in Pacman Database ====
 Just ran into a little problem where a disk error took out a bit of my pacman database.
@@ Line 52: / Line 91: @@
 Thanks to [[https://bbs.archlinux.org/viewtopic.php?pid=1724969#p1724969|this post]] I solved it by deleting the packages directory in ''/var/lib/pacman/local'', and reinstalled the database only with ''pacman -U --dbonly [package].pkg.tar.xz''
-==== Speeding Up Package Building ====
+==== Broken Pacman After Partial Upgrade ====
-  * [[archw>Makepkg]]
-    * [[archw>Makepkg#Improving_compile_times]]
+When doing a partial upgrade to get my keyring in order before a proper upgrade I mistakenly upgraded pacman too. This ca'us an error where the version of glibc that pacman needed was out of whack with the one I had installed, so pacman would not work at all.
-    * [[archw>Makepkg#Utilizing_multiple_cores_on_compression]]
+To fix this I downloaded a //static// version of pacman and ran a fresh ''# pacman -Syu'' and that fixed everything.
+See: https://old.reddit.com/r/archlinux/comments/lz7777/pacman_broken_due_to_glibc/
 ===== See Also =====
-{{tag>fixes linux}}
+  * [[arch_linux]]
+{{tag>fixes linux software package-manager}}