Fix findings from linters

plans/upstream_tests.fmf

@@ -0,0 +1,17 @@
+summary: CI Gating Plan
+discover:
+    how: fmf
+    test:
+        - /tests/Sanity/suite_gfortran
+        - /tests/Sanity/suite_jit
+        - /tests/Sanity/suite_libatomic
+        - /tests/Sanity/suite_libgomp
+        - /tests/Sanity/suite_libitm
+execute:
+    how: tmt
+adjust:
+    prepare+:
+        - name: Add secondary architecture RPMs
+          how: shell
+          script: ./plans/provide_secondary_arch_rpms.sh
+    when: distro == fedora and arch == x86_64

tests/Regression/bz1519073-linking-shared-objects-hidden-_ZNSt12__sso_stringC1EPKcm-not-defined/runtest.sh

@@ -45,7 +45,7 @@ rlJournalStart
         rlLogInfo "Standards to be tested: $stds"
 
         # detect linkers to test (bfd and gold if available)
-        # shellcheck disable=SC2046
+        # shellcheck disable=SC2046 disable=SC2012
         linkers="$(ls $(type -P ld).* /usr/bin/ld.* | cut -d. -f2 | sort -u | grep -v ^so$)"
         if [[ -z "$linkers" ]]; then
             rlFail "Linkers not detected"

tests/Sanity/rebuild-glibc/runtest.sh

@@ -144,7 +144,7 @@ rlJournalStart
                 rlRun 'find ~/rpmbuild/BUILD/ -name subdir-tests.sum | grep "/stdlib/subdir-tests\.sum$" >subdir-tests_sum_files.txt' 0,1
                 rlAssertDiffer subdir-tests_sum_files.txt /dev/null
                 for i in $(<subdir-tests_sum_files.txt); do
-                    rlAssertGrep '^PASS: stdlib/tst-makecontext$' $i || rlFileSubmit $i $i
+                    rlAssertGrep '^PASS: stdlib/tst-makecontext$' "$i" || rlFileSubmit "$i" "$i"
                 done
             fi
         rlPhaseEnd