[CI:BUILD] Packit: downstream task action fix

The downstream `pre-sync` task action script needs GOPATH to be
specified for the golist tool mentioned in the script to work.

[NO NEW TESTS NEEDED]

Signed-off-by: Lokesh Mandvekar <[email protected]>
(cherry picked from commit 12dc546)
Signed-off-by: Lokesh Mandvekar <[email protected]>

Author: lsm5

rpm/update-spec-provides.sh

@@ -4,14 +4,26 @@
 # packaging, via the `propose-downstream` packit action.
 # The goimports don't need to be present upstream.
 
-set -eo pipefail
+set -eox pipefail
 
 PACKAGE=podman
 # script is run from git root directory
 SPEC_FILE=rpm/$PACKAGE.spec
 
-sed -i '/Provides: bundled(golang.*/d' $SPEC_FILE
+export GOPATH=~/go
+GOPATHDIR=$GOPATH/src/github.com/containers/
+mkdir -p $GOPATHDIR
+ln -sf $(pwd) $GOPATHDIR/.
+
+# Packit sandbox doesn't allow root
+# Install golist by downloading and extracting rpm
+# We could handle this in packit `sandcastle` upstream itself
+# but that depends on golist existing in epel
+# https://github.com/packit/sandcastle/pull/186
+dnf download golist
+rpm2cpio golist-*.rpm | cpio -idmv
 
-GO_IMPORTS=$(golist --imported --package-path github.com/containers/$PACKAGE --skip-self | sort -u | xargs -I{} echo "Provides: bundled(golang({}))")
+sed -i '/Provides: bundled(golang.*/d' $SPEC_FILE
 
+GO_IMPORTS=$(./usr/bin/golist --imported --package-path github.com/containers/$PACKAGE --skip-self | sort -u | xargs -I{} echo "Provides: bundled(golang({}))")
 awk -v r="$GO_IMPORTS" '/^# vendored libraries/ {print; print r; next} 1' $SPEC_FILE > temp && mv temp $SPEC_FILE