regRes := configAMD64.ABIAnalyze(ft, false)
	regResString := strings.TrimSpace(regRes.String())

	// Check results.
	reason := difftokens(tokenize(regResString), tokenize(exp.dump))
	if reason != "" {
		t.Errorf("\nexpected:\n%s\ngot:\n%s\nreason: %s",
			strings.TrimSpace(exp.dump), regResString, reason)
	}

    private static void logDisabledReasons(List<CachingDisabledReason> reasons, UnitOfWork work) {
        if (LOGGER.isInfoEnabled()) {
            Formatter formatter = new Formatter();
            formatter.format("Caching disabled for %s because:", work.getDisplayName());
            for (CachingDisabledReason reason : reasons) {
                formatter.format("%n  %s", reason.getMessage());
            }

        repository {
            'org:foo' {
                '15'()
                '17'()
            }
            'org:bar:1.0' {
                dependsOn(group: 'org', artifact: 'foo', version: '15', strictly: '15', reason: 'what not')
            }
        }

        buildFile << """
            dependencies {
                conf 'org:foo:17'
                conf 'org:bar:1.0'
            }
        """

        when:

                        notRequested()
                        byReason('can set a custom reason in a rule')
                    }
                }
            }
        }

    }

    def "a rule can provide a custom selection reason thanks to dependency constraint reason"() {
        given:
        repository {
            'org.test:moduleA:1.0' {

 * limitations under the License.
 */

package org.gradle.internal.execution.caching;

public enum CachingDisabledReasonCategory {
    /**
     * Reason for disabled caching is not known.
     */
    UNKNOWN,

    /**
     * Caching has not been enabled for the build.
     */
    BUILD_CACHE_DISABLED,

    /**

                    notRequested()
                    byReason('can provide a dependency reason for project dependencies too')
                    variant('runtime')
                    module('org.other:externalA:1.2') {
                        notRequested()
                        byReason('also check dependency reasons')

    def "reports no execution reasons for skipped tasks"() {
        given:
        buildFile << """
            task disabledTask {
                enabled = false
            }
        """

        when:
        runBuild('disabledTask')

        then:
        taskSkippedResult(':disabledTask')
    }

    def "reports execution reason for executed task without declared outputs"() {

            if (cand.getVariantName().equals(resolutionDetails.selected.getVariantName())) {
                cand.select();
                String reason = resolutionDetails.reason;
                if (reason != null) {
                    cand.byReason(Describables.of("On capability", version.getCapabilityId(), reason));
                }
            } else {
                cand.evict();
            }
        }
    }

            "$it.name=${attributes.getAttribute(it as Attribute<Object>)}"
        }.sort().join(',')
    }

    protected String formatReason(ComponentSelectionReasonInternal reason) {
        def reasons = reason.descriptions.collect {
            def message
            if (it.hasCustomDescription() && it.cause != ComponentSelectionCause.REQUESTED) {

			// pruned ones! — that cause it to be selected would also cause the reason
			// for is disqualification to be included in the module graph.
			dq.pruned = reason
		}
	}
	if t.dqReason == nil {
		t.dqReason = make(map[module.Version]perPruning[dqState])
	}
	t.dqReason[m] = dq

	if isRoot && (fromPruning == pruned || rootPruning == unpruned) {