Fedora
如何使用 dnf 列出弱依賴關係?
例如,如果我開始安裝希臘語言元包,系統會提示我安裝其依賴項和弱依賴項。
$ LC_ALL=C sudo dnf install langpacks-el [sudo] password for roman: Last metadata expiration check: 4:03:14 ago on Sat Sep 25 13:17:49 2021. Dependencies resolved. =============================================================================== Package Arch Version Repository Size =============================================================================== Installing: langpacks-el noarch 3.0-14.fc34 fedora 10 k Installing dependencies: autocorr-el noarch 1:7.1.6.2-1.fc34 updates 81 k langpacks-core-el noarch 3.0-14.fc34 fedora 10 k langpacks-core-font-el noarch 3.0-14.fc34 fedora 10 k Installing weak dependencies: glibc-langpack-el x86_64 2.33-20.fc34 updates 512 k hunspell-el noarch 1:0.9-7.fc34 fedora 1.7 M hyphen-el noarch 0.20051018-23.fc34 fedora 9.3 k libreoffice-help-el x86_64 1:7.1.6.2-1.fc34 updates 3.6 M libreoffice-langpack-el x86_64 1:7.1.6.2-1.fc34 updates 854 k mythes-el noarch 0.20070412-25.fc34 fedora 161 k Transaction Summary =============================================================================== Install 10 Packages Total download size: 6.9 M Installed size: 56 M Is this ok [y/N]:
但是,如果我嘗試手動列出依賴項,我看不到弱依賴項。我怎樣才能查到它們?
這是我嘗試過的。
$ LC_ALL=C dnf repoquery --depends langpacks-el Last metadata expiration check: 3:15:20 ago on Sat Sep 25 14:07:02 2021. langpacks-core-el $ LC_ALL=C dnf repoquery --depends langpacks-core-el Last metadata expiration check: 3:15:42 ago on Sat Sep 25 14:07:02 2021. langpacks-core-font-el $ LC_ALL=C dnf repoquery --depends langpacks-core-font-el Last metadata expiration check: 3:16:08 ago on Sat Sep 25 14:07:02 2021. dejavu-sans-fonts
根據手冊頁:
dnf$$ options $$回購$$ <select-options> $$ $$ <query-options> $$ $$ <package-file-spec> $$
在可用的 DNF 儲存庫中搜尋選定的包並顯示有關它們的請求資訊。它相當於遠端儲存庫的rpm -q。
- 要看
顯示軟體包依賴、增強、推薦、建議或補充的功能。
dnf repoquery --depends
僅列印正向依賴項(在langpacks-el
包中列為Requires/Recommends/Suggests的依賴項),因此它可以按預期工作,因為“額外”包是通過反向/反向依賴項引入的。例如,該hunspell-el
軟體包具有反向弱依賴(此依賴列在hunspell-el
Supplements中),(hunspell and langpacks-el)
這意味著它將在您同時安裝hunspell
並安裝時langpack-el
安裝。使用語言包,這允許只為已安裝的包安裝語言包——如果您還沒有 KDE,您將不會獲得 KDE 本地化(kde-l10n-el
也是補充langpacks-el
)。您可以使用列印反向弱依賴項
--whatsupplements
# dnf repoquery --whatsupplements langpacks-core-el glibc-langpack-el-0:2.33-20.fc34.x86_64 glibc-langpack-el-0:2.33-5.fc34.x86_64 # dnf repoquery --whatsupplements langpacks-el gimp-help-el-0:2.10.0-6.fc34.noarch guayadeque-langpack-el-0:0.4.7-0.27.20210315git37840c1.fc34.noarch guayadeque-langpack-el-0:0.4.7-0.30.20210415git79ec09d.fc34.noarch hunspell-el-1:0.9-7.fc34.noarch hyphen-el-0:0.20051018-23.fc34.noarch kde-l10n-el-0:17.08.3-10.fc34.noarch libreoffice-langpack-el-1:7.1.2.2-1.fc34.x86_64 libreoffice-langpack-el-1:7.1.6.2-1.fc34.x86_64 mythes-el-0:0.20070412-25.fc34.noarch shotcut-langpack-el-0:21.03.21-2.fc34.noarch tesseract-langpack-ell-0:4.1.0-1.fc34.noarch
我認為不可能用一個命令同時列印前向和後向依賴項。