Merge pull request #28 from amandasaurus/curl-err

stop curl from printing a warning when this is run for the first time
shortbread-tiles · Feb 19, 2024 · 57bdcb3 · 57bdcb3
2 parents 2799f04 + be208e0
commit 57bdcb3
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## Unreleased
 
 * Data URLs updated
+* get-shapefiles doens't print warning on first run
 
 ## 1.0.0 (2023-03-28)
 

diff --git a/get-shapefiles.sh b/get-shapefiles.sh
@@ -8,7 +8,11 @@ function download_and_extract {
     START_DIR=$(pwd)
     cd data
     echo "Downloading $URL"
-    curl -z "$FILE" -LO "$URL"
+	CURL_TIME_COND_ARG="$FILE"
+	if [ ! -e "$FILE" ] ; then
+		CURL_TIME_COND_ARG="1 Jan 1970 00:00:00"
+	fi
+    curl --time-cond "$CURL_TIME_COND_ARG" -LO "$URL"
     unzip -o -u "$FILE"
     cd "$START_DIR"
 }