Hi all,
Im trying to add some downgradability magic into pacman .Being quite
new to pacman code, i need your help to identify the possible
pitfalls of my approach before trying something.
What i plan to do is..
In libalpm/remove.c unlink_file() [ I guess remove.c is the only
place where we are removing files ]
replace all unlink(), rename() etc with copyandunlink , copyandrename
etc which will copy the file first into an archive file
package-backup.tgs in cache,then do unlink or rename. Then finally
include all the necessary .INSTALL ,PKGINFO ,.CHANGELOG etc and clean
up.
So even if i do a -Scc i will have a backup of what was installed on
my system and can roll back to the previous state.
I suggest you implementing FS#8585 ;-)
And can sombody please point me to some documentation for libarchive
apart from the manpages...
http://code.toofishes.net/
and README file in git tree.
Bye
------------------------------------------------------
SZTE Egyetemi Konyvtar - http://www.bibl.u-szeged.hu
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