add feature branch devel builds

.github/workflows/build.yml

@@ -2,7 +2,8 @@ name: Build
 
 on:
   push:
-    branches: [ master ]
+    branches:
+    - master
     paths:
       - 'src/**'
       - 'autogen.sh'
@@ -50,4 +51,4 @@ jobs:
           password: ${{ secrets.DOCKERHUB_TOKEN }}
       -
         name: build
-        run: cd contrib/docker && LIMITARCH=${{ github.event.inputs.limitarch }} GIT_REVISION=${{ steps.gittag.outputs.describe }} ./build.sh
+        run: cd contrib/docker && GIT_BRANCH=${GITHUB_REF##*/} LIMITARCH=${{ github.event.inputs.limitarch }} GIT_REVISION=${{ steps.gittag.outputs.describe }} ./build.sh

contrib/docker/build.sh

@@ -27,6 +27,9 @@ if [[ -z "$1" ]]; then
   target=image
   outputFmt='-o type=docker,type=registry'
   tagsuffix=':devel'
+  if [[ -n "$GIT_BRANCH" ]] && [[ "x$GIT_BRANCH" != "xmaster" ]]; then
+    tagsuffix="$tagsuffix-$GIT_BRANCH"
+  fi
 elif [[ "x$1" = "xrelease" ]]; then
   namesuffix='.release'
   target=image

contrib/docker/update.sh

@@ -34,7 +34,7 @@ replaceTemplate
 if [[ -n "$1" ]]; then
   # build releases update
   make='GIT_REVISION=\$GIT_REVISION ./make_all.sh'
-  upload_lines='ARG UPLOAD_URL\nARG UPLOAD_CREDENTIALS\nARG UPLOAD_OS\nRUN if [ -n "\$UPLOAD_URL" ] \&\& [ -n "\$UPLOAD_CREDENTIALS" ]; then for img in ebusd-*.deb; do echo -n "upload \$img: "; curl -fsSk -u "\$UPLOAD_CREDENTIALS" -X POST --data-binary "@\$img" -H "Content-Type: application/octet-stream" "\$UPLOAD_URL/\$img?a=\$EBUSD_ARCH\&o=\$UPLOAD_OS\&v=\$EBUSD_VERSION" || echo "failed"; done; fi'
+  upload_lines='ARG UPLOAD_URL\nARG UPLOAD_CREDENTIALS\nARG UPLOAD_OS\nRUN if [ -n "\$UPLOAD_URL" ] \&\& [ -n "\$UPLOAD_CREDENTIALS" ]; then for img in ebusd-*.deb; do echo -n "upload \$img: "; curl -fsSk -u "\$UPLOAD_CREDENTIALS" -X POST --data-binary "@\$img" -H "Content-Type: application/octet-stream" "\$UPLOAD_URL/\$img?a=\$EBUSD_ARCH\&o=\$UPLOAD_OS\&v=\$EBUSD_VERSION&b=$GIT_BRANCH" || echo "failed"; done; fi'
   upload_lines+='\n\n\nFROM scratch as deb\nCOPY --from=build /build/*.deb /'
   namesuffix='.build'
   replaceTemplate