initial work on generalized firmware update

board/common/overlay/etc/os.conf

@@ -7,3 +7,8 @@ os_ppp="ppp0"
 os_networkless="false"
 os_country="US"
 
+os_firmware_method="github"
+os_firmware_repo="ccrisan/motioneyeos"
+os_firmware_username=""
+os_firmware_password=""
+

board/common/overlay/sbin/fwupdate

@@ -0,0 +1,54 @@
+#!/bin/bash
+
+function exit_usage() {
+    echo "Usage: $0 latest"
+    echo "       $0 current"
+    echo "       $0 upgrade <version|url>"
+    echo "       $0 progress"
+    
+    exit -1
+}
+
+if [ -z "$1" ]; then
+    exit_usage
+fi
+
+function show_latest() {
+}
+
+function show_current() {
+}
+
+function do_upgrade() {
+}
+
+function show_progress() {
+}
+
+
+case "$1" in
+    latest)
+        show_latest
+        ;;
+
+    current)
+        show_current
+        ;;
+
+    upgrade)
+        if [ -z "$2" ];
+            exit_usage
+        fi
+
+        do_upgrade $2
+        ;;
+
+    progress)
+        show_progress
+        ;;
+
+    *)
+        exit_usage
+        ;;
+esac
+

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

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+if [ -z "$1" ]; then
+    echo "Usage: $0 <account/project>" 1>&2
+    exit -1
+fi
+
+opts="-s -S -f"
+test -n "$BITBUCKET_USERNAME" && opts+=" --user $BITBUCKET_USERNAME:$BITBUCKET_PASSWORD"
+url=https://api.bitbucket.org/2.0/repositories/$1/downloads?pagelen=100
+jq_expr='.values[] | [{a: .name | capture("[^-]+-(?<b>[^-]+)-(?<c>[^-]+)\\.img\\.?.*"), url: .links.self.href}] | map(.a.c, "false", .a.b, .url) | join("|")'
+
+curl $opts $url | jq --raw-output "$jq_expr"
+exit ${PIPESTATUS[0]}
+

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

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+if [ -z "$1" ]; then
+    echo "Usage: $0 <account/project>" 1>&2
+    exit -1
+fi
+
+opts="-s -S -f"
+test -n "$GITHUB_USERNAME" && opts+=" --user $GITHUB_USERNAME:$GITHUB_PASSWORD"
+url=https://api.github.com/repos/$1/releases
+jq_expr='.[] | {version: .name, prerelease: .prerelease | tostring, name: .assets[].name | capture("[^-]+-(?<b>[^-]+)") | flatten, asset: .assets[].browser_download_url} | flatten | join("|")'
+
+curl $opts $url | jq --raw-output "$jq_expr"
+exit ${PIPESTATUS[0]}
+