Merge pull request #2286 from shinenelson/check-command-exists/dnf

check whether `dnf` command exists before aliasing

Author: seefood

aliases/available/dnf.aliases.bash

@@ -1,17 +1,19 @@
 # shellcheck shell=bash
 about-alias 'dnf aliases for fedora 22+ distros'
 
-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
+if _command_exists dnf; then
+	alias dnfp="dnf info"            # Show package information
+	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 dnfs="dnf search"          # Search package
 
-alias dnfu="sudo dnf upgrade"       # Upgrade package
-alias dnfi="sudo dnf install"       # Install package
-alias dnfri='sudo dnf reinstall'    # Reinstall 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 dnfi="sudo dnf install"       # Install package
+	alias dnfr="sudo dnf remove"        # Remove package
+	alias dnfu="sudo dnf upgrade"       # Upgrade package
+	alias dnfc="sudo dnf clean all"     # Clean cache
+	alias dnfri="sudo dnf reinstall"    # Reinstall package
+	alias dnfgi="sudo dnf groupinstall" # Install package group
+	alias dnfgr="sudo dnf groupremove"  # Remove package group
+fi