pacman -S kde --debug
debug: config: attempting to read file /etc/pacman.conf
debug: config: new section 'options'
debug: config: HoldPkg: pacman
debug: config: HoldPkg: glibc
debug: config: SyncFirst: pacman
debug: config: new section 'testing'
debug: setlibpaths() called
debug: option 'cachedir' = /var/cache/pacman/pkg/
debug: registering sync database 'testing'
debug: opening database 'testing'
debug: opening database from path '/var/lib/pacman/sync/testing/'
debug: config: including /etc/pacman.d/mirrorlist
debug: config: attempting to read file /etc/pacman.d/mirrorlist
debug: adding new server URL to database 'testing': ftp://mir2.archlinuxfr.org/archlinux/testing/os/i686
debug: config: finished parsing /etc/pacman.d/mirrorlist
debug: config: new section 'core'
debug: registering sync database 'core'
debug: opening database 'core'
debug: opening database from path '/var/lib/pacman/sync/core/'
debug: config: including /etc/pacman.d/mirrorlist
debug: config: attempting to read file /etc/pacman.d/mirrorlist
debug: adding new server URL to database 'core': ftp://mir2.archlinuxfr.org/archlinux/core/os/i686
debug: config: finished parsing /etc/pacman.d/mirrorlist
debug: config: new section 'extra'
debug: registering sync database 'extra'
debug: opening database 'extra'
debug: opening database from path '/var/lib/pacman/sync/extra/'
debug: config: including /etc/pacman.d/mirrorlist
debug: config: attempting to read file /etc/pacman.d/mirrorlist
debug: adding new server URL to database 'extra': ftp://mir2.archlinuxfr.org/archlinux/extra/os/i686
debug: config: finished parsing /etc/pacman.d/mirrorlist
debug: config: new section 'community'
debug: registering sync database 'community'
debug: opening database 'community'
debug: opening database from path '/var/lib/pacman/sync/community/'
debug: config: including /etc/pacman.d/mirrorlist
debug: config: attempting to read file /etc/pacman.d/mirrorlist
debug: adding new server URL to database 'community': ftp://mir2.archlinuxfr.org/archlinux/community/os/i686
debug: config: finished parsing /etc/pacman.d/mirrorlist
debug: config: finished parsing /etc/pacman.conf
debug: registering local database
debug: opening database 'local'
debug: opening database from path '/var/lib/pacman/local/'
debug: loading package cache for repository 'local'
debug: loading package cache for repository 'testing'
debug: loading package cache for repository 'core'
debug: loading package cache for repository 'extra'
debug: loading package cache for repository 'community'
debug: returning error 27 from _alpm_sync_addtarget : could not find or read package
kde package not found, searching for group...
debug: loading group cache for repository 'testing'
:: group kde (including ignored packages):
    kdeaccessibility  kdeadmin  kdeartwork  kdebase  kdebase-runtime  kdebase-workspace  kdeedu  kdegames  kdegraphics  kdelibs  kdemultimedia  kdenetwork  
    kdepim  kdepimlibs  kdeplasma-addons  kdesdk  kdetoys  kdeutils  kdewebdev  
:: Install whole content? [Y/n] y
debug: loading group cache for repository 'core'
debug: loading group cache for repository 'extra'
:: group kde (including ignored packages):
    kdeaccessibility  kdeadmin  kdeartwork  kdebase  kdebase-runtime  kdebase-workspace  kdeedu  kdegames  kdegraphics  kdelibs  kdemultimedia  kdenetwork  
    kdepim  kdepimlibs  kdeplasma-addons  kdesdk  kdetoys  kdeutils  kdewebdev  
:: Install whole content? [Y/n] y