fwupdate: add support for indicating latest version

board/common/overlay/sbin/fwupdate

@@ -211,7 +211,7 @@ function show_versions() {
     show_json=$1
 
     # the /usr/libexec/list-versions-* helpers return a table with the following format:
-    #     <version>|<prerelease>|<board>|<url>|<date>
+    #     <version>|<prerelease>|<board>|<url>|<date|latest>
     versions=$(FW_USERNAME=${OS_FIRMWARE_USERNAME} FW_PASSWORD=${OS_FIRMWARE_PASSWORD} \
                /usr/libexec/list-versions-${OS_FIRMWARE_METHOD} ${OS_FIRMWARE_REPO})
 
@@ -230,9 +230,9 @@ function show_versions() {
         if [[ "${show_json}" == "true" ]]; then
             echo "{\"version\": \"${varr[0]}\"," \
                   "\"url\": \"${varr[3]}\"," \
-                  "\"board\": \"${varr[2]}\"," \
-                  "\"prerelease\": ${varr[1]}," \
-                  "\"date\": \"${varr[4]}\"}"
+                  "\"prerelease\": ${varr[1]:-false}," \
+                  "\"date\": \"${varr[4]}\"," \
+                  "\"latest\": ${varr[5]:-false}}"
         else
             echo ${varr[0]}
         fi

board/common/overlay/usr/libexec/list-versions-bitbucket

@@ -14,6 +14,26 @@ function check_prerelease() {
     fi
 }
 
+function add_latest_flag() {
+    declare -A latest_stable_by_board
+    declare -A latest_prerelease_by_board
+    while read line; do
+        _IFS=${IFS} IFS="|" line_arr=(${line}) IFS=${_IFS}
+        latest="false"
+        prerelease=${line_arr[1]}
+        board=${line_arr[2]}
+        if [[ "${prerelease}" == "true" && -z "${latest_prerelease_by_board[${board}]}" ]]; then
+            latest="true"
+            latest_prerelease_by_board[${board}]="true"
+        elif [[ "${prerelease}" == "false" && -z "${latest_stable_by_board[${board}]}" ]]; then
+            latest="true"
+            latest_stable_by_board[${board}]="true"
+        fi
+        
+        echo "${line}|${latest}"
+    done
+}
+
 extensions=".img.gz .img.xz .img"
 opts="-s -S -f"
 test -n "${FW_USERNAME}" && opts+=" --user ${FW_USERNAME}:${FW_PASSWORD}"
@@ -23,6 +43,5 @@ rtrimstr=$(for e in ${extensions}; do echo -n " | rtrimstr(\"${e}\")"; done)
 jq_expr=".values[] | [{a: .name | split(\"-\"), url: .links.self.href, date: .created_on | split(\"T\")[0]}] |
          map((.a[2] ${rtrimstr}), \"false\", .a[1], .url, .date) | join(\"|\")"
 
-curl ${opts} ${url} | jq --raw-output "${jq_expr}" | while read line; do echo "${line}" | check_prerelease; done
+curl ${opts} ${url} | jq --raw-output "${jq_expr}" | while read line; do echo "${line}" | check_prerelease | add_latest_flag; done
 exit ${PIPESTATUS[0]}
-

board/common/overlay/usr/libexec/list-versions-github

@@ -7,12 +7,23 @@ fi
 
 opts="-s -S -f"
 test -n "${FW_USERNAME}" && opts+=" --user ${FW_USERNAME}:${FW_PASSWORD}"
-url=https://api.github.com/repos/$1/releases
+releases_url=https://api.github.com/repos/$1/releases
+latest_url=https://api.github.com/repos/$1/releases/latest
 
+# Get release info via GitHub API
+latest_version=$(curl ${opts} ${latest_url} | jq --raw-output ".name")
+releases=$(curl ${opts} ${releases_url})
+test $? == 0 || exit 1
+
+# Latest pre-release is the first one
+latest_prerelease=$(jq --raw-output | '[.[] | select(.prerelease)] | first | .name' <<< ${releases})
+
+# Format release lines
 jq_expr='.[] | {version: .name, prerelease: .prerelease | tostring} + 
          (.assets[] | {name: .name | split("-")[1], url: .browser_download_url}) + 
-         ({date: .created_at | split("T")[0]}) | flatten | join("|")'
-
-curl ${opts} ${url} | jq --raw-output "${jq_expr}"
-exit ${PIPESTATUS[0]}
+         ({date: .created_at | split("T")[0]}) +
+         ({latest: (.name=="'${latest_version}'")})
+         | flatten | join("|")'
 
+jq --raw-output "${jq_expr}" <<< ${releases}
+exit $?

board/common/overlay/usr/libexec/list-versions-s3

@@ -22,13 +22,33 @@ dates=$(echo "${xml_result}" | grep -oE '<LastModified>[^<]+<\/LastModified>' |
 dates=(${dates})
 files=(${keys})
 
+function add_latest_flag() {
+    declare -A latest_stable_by_board
+    declare -A latest_prerelease_by_board
+    while read line; do
+        _IFS=${IFS} IFS="|" line_arr=(${line}) IFS=${_IFS}
+        latest="false"
+        prerelease=${line_arr[1]}
+        board=${line_arr[2]}
+        if [[ "${prerelease}" == "true" && -z "${latest_prerelease_by_board[${board}]}" ]]; then
+            latest="true"
+            latest_prerelease_by_board[${board}]="true"
+        elif [[ "${prerelease}" == "false" && -z "${latest_stable_by_board[${board}]}" ]]; then
+            latest="true"
+            latest_stable_by_board[${board}]="true"
+        fi
+        
+        echo "${line}|${latest}"
+    done
+}
+
 i=0
 for file in ${files[*]}; do
     [[ "${file}" =~ ^${path}/(.+)/(.+)$ ]] || continue
     version="${BASH_REMATCH[1]}"
     fname="${BASH_REMATCH[2]}"
-
     prerelease=false
+
     if [[ "${version}" =~ ^.*[abc]\.?[0-9]+$ ]] || # e.g. 0.4.1b2, 0.4.1b.2, 0.4.1-b.2
        [[ "${version}" =~ ^.*(alpha|beta|rc)\.?[0-9]+$ ]] || # e.g. 0.4.1beta2, 0.4.1beta.2, 0.4.1-beta.2
        [[ "${version}" =~ ^(dev|nightly).*$ ]]; then # e.g. dev20180314, nightly20180314
@@ -42,4 +62,4 @@ for file in ${files[*]}; do
 
     echo "${version}|${prerelease}|${board}|${final_url}|${date}"
     i=$((i + 1))
-done | semver-sort -r -t '|' -k 1
+done | semver-sort -r -t '|' -k 1 | add_latest_flag