feat(dnf): use `dnf5` if available (#11904)

plugins/dnf/README.md

@@ -10,6 +10,9 @@ To use it, add `dnf` to the plugins array in your zshrc file:
 plugins=(... dnf)
 ```
 
+Classic `dnf` is getting superseded by `dnf5`; this plugin detects the presence
+of `dnf5` and uses it as drop-in alternative to the slower `dnf`.
+
 ## Aliases
 
 | Alias | Command                 | Description              |

plugins/dnf/dnf.plugin.zsh

 ## Aliases
+local dnfprog="dnf"
 
-alias dnfl="dnf list"                       # List packages
-alias dnfli="dnf list installed"            # List installed packages
-alias dnfgl="dnf grouplist"                 # List package groups
-alias dnfmc="dnf makecache"                 # Generate metadata cache
-alias dnfp="dnf info"                       # Show package information
-alias dnfs="dnf search"                     # Search package
+# Prefer dnf5 if installed
+command -v dnf5 > /dev/null && dnfprog=dnf5
 
-alias dnfu="sudo dnf upgrade"               # Upgrade package
-alias dnfi="sudo dnf install"               # Install package
-alias dnfgi="sudo dnf groupinstall"         # Install package group
-alias dnfr="sudo dnf remove"                # Remove package
-alias dnfgr="sudo dnf groupremove"          # Remove package group
-alias dnfc="sudo dnf clean all"             # Clean cache
+alias dnfl="${dnfprog} list"                       # List packages
+alias dnfli="${dnfprog} list installed"            # List installed packages
+alias dnfgl="${dnfprog} grouplist"                 # List package groups
+alias dnfmc="${dnfprog} makecache"                 # Generate metadata cache
+alias dnfp="${dnfprog} info"                       # Show package information
+alias dnfs="${dnfprog} search"                     # Search package
+
+alias dnfu="sudo ${dnfprog} upgrade"               # Upgrade package
+alias dnfi="sudo ${dnfprog} install"               # Install package
+alias dnfgi="sudo ${dnfprog} groupinstall"         # Install package group
+alias dnfr="sudo ${dnfprog} remove"                # Remove package
+alias dnfgr="sudo ${dnfprog} groupremove"          # Remove package group
+alias dnfc="sudo ${dnfprog} clean all"             # Clean cache