Allow using rebar3 nightly builds (#84)

src/install-rebar3.ps1

@@ -10,12 +10,19 @@ $FILE_OUTPUT_PS1="rebar3.ps1"
 $DIR_FOR_BIN=".setup-beam/rebar3"
 
 $ProgressPreference="SilentlyContinue"
-Invoke-WebRequest "https://github.com/erlang/rebar3/releases/download/${VSN}/${FILE_INPUT}" -OutFile "$FILE_OUTPUT"
+$REBAR3_TARGET="https://github.com/erlang/rebar3/releases/download/${VSN}/${FILE_INPUT}"
+$REBAR3_NIGHTLY=""
+If ( $VSN -eq "nightly" )
+{
+    $REBAR3_TARGET="https://s3.amazonaws.com/rebar3-nightly/rebar3"
+    $REBAR3_NIGHTLY=" (from nightly build)"
+}
+Invoke-WebRequest "$REBAR3_TARGET" -OutFile "$FILE_OUTPUT"
 $ProgressPreference="Continue"
 New-Item "$DIR_FOR_BIN/bin" -ItemType Directory | Out-Null
 Move-Item "$FILE_OUTPUT" "$DIR_FOR_BIN/bin"
 Write-Output "& escript.exe $PWD/$DIR_FOR_BIN/bin/$FILE_OUTPUT `$args" | Out-File -FilePath "$FILE_OUTPUT_PS1" -Encoding utf8 -Append
 type $FILE_OUTPUT_PS1
 Move-Item "$FILE_OUTPUT_PS1" "$DIR_FOR_BIN/bin"
-Write-Output "Installed rebar3 version follows"
+Write-Output "Installed rebar3 version$REBAR3_NIGHTLY follows"
 & "$DIR_FOR_BIN/bin/rebar3" "version" | Write-Output

src/install-rebar3.sh

@@ -9,9 +9,15 @@ FILE_INPUT=rebar3
 FILE_OUTPUT=rebar3
 DIR_FOR_BIN=.setup-beam/rebar3
 
-wget -q -O "${FILE_OUTPUT}" "https://github.com/erlang/rebar3/releases/download/${VSN}/${FILE_INPUT}"
+REBAR3_TARGET="https://github.com/erlang/rebar3/releases/download/${VSN}/${FILE_INPUT}"
+REBAR3_NIGHTLY=""
+if [ "${VSN}" == "nightly" ]; then
+    REBAR3_TARGET="https://s3.amazonaws.com/rebar3-nightly/rebar3"
+    REBAR3_NIGHTLY=" (from nightly build)"
+fi
+wget -q -O "${FILE_OUTPUT}" "${REBAR3_TARGET}"
 mkdir -p "${DIR_FOR_BIN}/bin"
 chmod +x "${FILE_OUTPUT}"
 mv "${FILE_OUTPUT}" "${DIR_FOR_BIN}/bin"
-echo "Installed rebar3 version follows"
+echo "Installed rebar3 version$REBAR3_NIGHTLY follows"
 ${DIR_FOR_BIN}/bin/rebar3 version

src/setup-beam.js

@@ -113,9 +113,14 @@ async function maybeInstallGleam(gleamSpec) {
 
 async function maybeInstallRebar3(rebar3Spec) {
   let installed = false
+  let rebar3Version
 
   if (rebar3Spec) {
-    const rebar3Version = await getRebar3Version(rebar3Spec)
+    if (rebar3Spec === 'nightly') {
+      rebar3Version = 'nightly'
+    } else {
+      rebar3Version = await getRebar3Version(rebar3Spec)
+    }
     console.log(`##[group]Installing rebar3 ${rebar3Version}`)
     await installer.installRebar3(rebar3Version)
     core.setOutput('rebar3-version', rebar3Version)