Do copr-cli check ASAP

trigger_copr

     local Tmp           # our temp
     local Branch        # branch to use, if empty, tags are considered
     local DryRun=false  # do not do anything
+    which copr >/dev/null \
+     || die "copr not found, try 'sudo install copr-cli'"
     UrlBase=https://github.com/AloisMahdal/slop
     Tmp=$(mktemp -d)
     while true; do case $1 in
     esac done
     CoprProject=$1
     test -n "$CoprProject" || usage
-    which copr >/dev/null \
-     || die "copr not found, try 'sudo install copr-cli'"
     if test -n "$Branch"; then
         die "not implemented"
         test -n "$Version" || Version=$(git_guess ver)