Fix DNF5 repoquery

related: QubesOS/qubes-core-admin-client#308

qubes-rpc/qvm-template-repo-query

@@ -26,11 +26,18 @@ repodir=$(mktemp -d)
 trap 'rm -r "$repodir"' EXIT
 cat > "$repodir/template.repo"
 
+DNF5=false
+if [ "$(readlink /usr/bin/dnf)" = "dnf5" ]; then
+    DNF5=true
+fi
+
 OPTS+=(-y "--setopt=reposdir=${repodir}" --quiet)
 
-# use vendored 'downloadurl' dnf-plugin (fork of 'download' plugin), to print
-# all mirrors
-OPTS+=("--setopt=pluginpath=/usr/lib/qubes/dnf-plugins")
+if ! $DNF5; then
+    # use vendored 'downloadurl' dnf-plugin (fork of 'download' plugin), to print
+    # all mirrors
+    OPTS+=("--setopt=pluginpath=/usr/lib/qubes/dnf-plugins")
+fi
 
 if ! command -v dnf >/dev/null; then
     echo "ERROR: dnf command is missing, please use newer template for your UpdateVM to download templates." >&2
@@ -49,16 +56,38 @@ touch -r "$hashfile" "$repodir/template.repo"
 RET=0
 
 if [ "$1" = "query" ]; then
-    dnf repoquery "${OPTS[@]}" --qf='%{name}|%{epoch}|%{version}|%{release}|%{reponame}|%{downloadsize}|%{buildtime}|%{license}|%{url}|%{summary}|%{description}|' "$SPEC"
+    if $DNF5; then
+        dnf repoquery "${OPTS[@]}" --qf='%{name}|%{epoch}|%{version}|%{release}|%{repoid}|%{downloadsize}|%{buildtime}|%{license}|%{url}|%{summary}|%{description}|\n' "$SPEC"
+    else
+        dnf repoquery "${OPTS[@]}" --qf='%{name}|%{epoch}|%{version}|%{release}|%{repoid}|%{downloadsize}|%{buildtime}|%{license}|%{url}|%{summary}|%{description}|' "$SPEC"
+    fi
     RET="$?"
 elif [ "$1" = "download" ]; then
     # Download/retry algorithm: take mirrors in random order. In this order,
     # try to download from the first one - if download failed but anything was
     # downloaded - retry from the same one. If download failed and nothing was
     # downloaded, go to the next one. The intention is to retry on interrupted
     # connection, but skip mirrors that are not synchronized yet.
-    urls="$(dnf downloadurl "${OPTS[@]}" --url --all-mirrors "$SPEC" | shuf)"
-    readarray -t urls <<<"$urls"
+    declare -a urls=()
+    if $DNF5 && dnf download --help | grep -q allmirrors; then
+        # The smartest case. DNF5 on Fedora 41 with --allmirrors patch
+        space_separated_urls="$(dnf download "${OPTS[@]}" --url --allmirrors "$SPEC")"
+        readarray -d ' ' -t urls <<<"$space_separated_urls"
+        urls=( $(shuf -e "${urls[@]}") )
+    elif $DNF5; then
+        # The middle case. DNF5 on Fedora 41 before --allmirror patch
+        # TODO: Phase out after DNF5 --allmirrors patch is released
+        url="$(dnf download "${OPTS[@]}" --url "$SPEC")"
+        urls+=($url)
+    else
+        # The old DNF4 on Fedora 40 and other old templates
+        # use vendored 'downloadurl' dnf-plugin (fork of 'download' plugin),
+        # to print all mirrors.
+        # TODO: Phase out after DNF4 is EOL
+        OPTS+=("--setopt=pluginpath=/usr/lib/qubes/dnf-plugins")
+        urls="$(dnf downloadurl "${OPTS[@]}" --url --all-mirrors "$SPEC" | shuf)"
+        readarray -t urls <<<"$urls"
+    fi
     downloaded=0
     status_file="$repodir/download-status.tmp"
     for url in "${urls[@]}"; do