Add JSON to workspace converter script

scripts/JSON_to_workspace.sh

@@ -0,0 +1,74 @@
+#!/usr/bin/env bash
+
+set -e
+
+function JSON_to_workspace() {
+  # 1: the analysis name
+  # 2: the url of the JSON workspaces
+  # 3: the background only workspace
+  # 4: the signal workspace patch
+  # 5: the patched background + signal workspace
+  local ANALYSIS_NAME=$1
+  local HEPDATA_URL=$2
+  local BACKGROUND_ONLY=$3
+  local SIGNAL_PATCH=$4
+  local JSON_WORKSPACE=$5
+
+  if [[ ! -d "${ANALYSIS_NAME}" ]]; then
+    mkdir "${ANALYSIS_NAME}"
+  fi
+
+  # Download from HEPData
+  curl -sL -o "${ANALYSIS_NAME}/workspaces.tar.gz" "${HEPDATA_URL}"
+  # Unpack tarball
+  if [[ ! -d "${ANALYSIS_NAME}/workspaces" ]]; then
+    mkdir "${ANALYSIS_NAME}/workspaces"
+  fi
+  tar xvzf "${ANALYSIS_NAME}/workspaces.tar.gz" -C "${ANALYSIS_NAME}/workspaces"
+
+  # Create a full signal+background workspace
+  jsonpatch \
+    "${ANALYSIS_NAME}/workspaces/${BACKGROUND_ONLY}" \
+    "${ANALYSIS_NAME}/workspaces/${SIGNAL_PATCH}" > \
+    "${ANALYSIS_NAME}/workspaces/${JSON_WORKSPACE}"
+
+  # Convert to ROOT + XML
+  if [[ ! -d "${ANALYSIS_NAME}/xml" ]]; then
+    mkdir "${ANALYSIS_NAME}/xml"
+  fi
+  rm -rf  "${ANALYSIS_NAME}/xml"/*
+  pyhf json2xml \
+    --output-dir "${ANALYSIS_NAME}/xml" \
+    "${ANALYSIS_NAME}/workspaces/${JSON_WORKSPACE}"
+
+  # Generate ROOT workspace
+  hist2workspace "${ANALYSIS_NAME}/xml"/FitConfig.xml
+}
+
+function main() {
+  # 1: the analysis name
+  # 2: the url of the JSON workspaces
+  # 3: the background only workspace
+  # 4: the signal workspace patch
+  # 5: the patched background + signal workspace
+  local ANALYSIS_NAME=$1
+  local HEPDATA_URL=$2
+  local BACKGROUND_ONLY=$3
+  local SIGNAL_PATCH=$4
+  local JSON_WORKSPACE=$5
+
+  JSON_to_workspace "${ANALYSIS_NAME}" "${HEPDATA_URL}" "${BACKGROUND_ONLY}" "${SIGNAL_PATCH}" "${JSON_WORKSPACE}"
+
+  # bash tests/test_suite.sh \
+  #   "${ANALYSIS_NAME}/xml"/config/FitConfig_combined_NormalMeasurement_model.root \
+  #   "${ANALYSIS_NAME}/workspaces/${JSON_WORKSPACE}"
+}
+
+main "$@" || exit 1
+
+# main \
+#   sbottom \
+#   https://doi.org/10.17182/hepdata.89408.v1/r2 \
+#   RegionA/BkgOnly.json \
+#   RegionA/patch.sbottom_1300_205_60.json \
+#   RegionA/sbottom_1300_205_60.json