automation/eclair: add direct link to reports

This patch adds direct links to the analysis findings in the
console log.

Signed-off-by: Simone Ballarin <simone.ballarin@bugseng.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>

automation/eclair_analysis/ECLAIR/action.helpers

@@ -1,17 +1,26 @@
+esc=$(printf '\e')
+cr=$(printf '\r')
+
 if [ -n "${GITLAB_CI:-}" ]; then
     ci=gitlab
+    eol=
+    link_start="${esc}[33m"
+    link_end="${esc}[m"
 elif [ -n "${GITHUB_ACTION:-}" ]; then
     ci=github
+    eol="\\"
+    link_start=
+    link_end=
 elif [ -n "${JENKINS_HOME:-}" ]; then
     ci=jenkins
+    eol="<br/>"
+    link_start=
+    link_end=
 else
     echo "Unexpected CI/CD context" >&2
     exit 1
 fi
 
-esc=$(printf '\e')
-cr=$(printf '\r')
-
 open_section() {
     id=$1
     title=$2
@@ -36,54 +45,86 @@ summary() {
 
     case "${ci}" in
     github)
-        nl="\\"
+        eol="\\"
         ;;
     gitlab)
-        nl=
+        eol=
         ;;
     jenkins)
-        nl="<br/>"
+        eol="<br/>"
         ;;
     *)
-        nl=
+        eol=
         ;;
     esac
 
+    currentDbReportsUrl="${eclairReportUrlPrefix}/fs${jobDir}/PROJECT.ecd;/by_service.html#service&kind"
     if [ -z "${newReports}" ]; then
-        fixedMsg=
+        fixedMsg="No fixed reports as there is no baseline"
         unfixedMsg="Unfixed reports: ${unfixedReports}"
-        countsMsg="${unfixedMsg}"
+        referenceReportsMsgTxt=
+        referenceReportsMsgLog=
     else
         fixedMsg="Fixed reports: ${fixedReports}"
         unfixedMsg="Unfixed reports: ${unfixedReports} [new: ${newReports}]"
-        countsMsg="${fixedMsg}${nl}
-${unfixedMsg}"
+        case "${event}" in
+        pull_request | auto_pull_request)
+            referenceDbReportsUrl="${eclairReportUrlPrefix}/fs${jobDir}/base/PROJECT.ecd;/by_service.html#service&kind"
+            reference_kind=base
+            ;;
+        push)
+            referenceDbReportsUrl="${eclairReportUrlPrefix}/fs${jobDir}/prev/PROJECT.ecd;/by_service.html#service&kind"
+            reference_kind=previous
+            ;;
+        *)
+            echo "Unexpected event ${event}" >&2
+            exit 1
+            ;;
+        esac
     fi
+
     case "${ci}" in
     jenkins)
+        if [ -n "${newReports}" ]; then
+            referenceReportsMsgTxt="<a href="${referenceDbReportsUrl}">Browse ${reference_kind} reports</a>"
+        fi
         cat <<EOF >"${summaryTxt}"
-${countsMsg}                                                                              ${nl}
+${fixedMsg}${eol}
+${unfixedMsg}                                                                              ${eol}
 <a href="https://www.bugseng.com/eclair">
   <img src="${eclairReportUrlPrefix}/rsrc/eclair.svg" width="100" />
 </a>
 <h3>${jobHeadline}</h3>
-<a href="${indexHtmlUrl}">Browse analysis results</a>
+<a href="${indexHtmlUrl}">Browse analysis summary</a>
+<a href="${currentDbReportsUrl}">Browse current reports</a>
+${referenceReportsMsgTxt}
 EOF
         ;;
     *)
+        if [ -n "${newReports}" ]; then
+            referenceReportsMsgTxt="Browse ${reference_kind} reports: ${referenceDbReportsUrl}"
+        fi
         cat <<EOF >"${summaryTxt}"
 <a href="https://www.bugseng.com/eclair">
   <img src="${eclairReportUrlPrefix}/rsrc/eclair.svg" width="100" />
 </a>
 Analysis Summary
 
-${jobHeadline}${nl}
-${countsMsg}${nl}
-[Browse analysis](${indexHtmlUrl})
+${jobHeadline}${eol}
+${fixedMsg}${eol}
+${unfixedMsg}${eol}
+Browse analysis summary: ${indexHtmlUrl}
+Browse current reports: ${currentDbReportsUrl}
+${referenceReportsMsgTxt}
 EOF
         ;;
     esac
 
+    analysisSummaryMsgLog="Browse analysis summary: ${link_start}${indexHtmlUrl}${link_end}"
+    currentReportsMsgLog="Browse current reports: ${link_start}${currentDbReportsUrl}${link_end}"
+    if [ -n "${newReports}" ]; then
+        referenceReportsMsgLog="Browse ${reference_kind} reports: ${link_start}${referenceDbReportsUrl}${link_end}"
+    fi
     case ${ci} in
     github)
         cat "${summaryTxt}" >"${GITHUB_STEP_SUMMARY}"
@@ -93,8 +134,11 @@ EOF
         # Generate summary and print it (GitLab-specific)
         cat <<EOF
 ${jobHeadline}
-${countsMsg}
-Browse analysis: ${esc}[33m${indexHtmlUrl}${esc}[m
+${fixedMsg}
+${unfixedMsg}
+${analysisSummaryMsgLog}
+${currentReportsMsgLog}
+${referenceReportsMsgLog}
 EOF
         close_section ECLAIR_summary
         ;;
@@ -103,7 +147,9 @@ EOF
 ${jobHeadline}
 ${fixedMsg}
 ${unfixedMsg}
-Browse analysis: ${indexHtmlUrl}
+${analysisSummaryMsgLog}
+${currentReportsMsgLog}
+${referenceReportsMsgLog}
 EOF
         ;;
     *)