snapshot of https://github.com/zulip/zulip.git @ 48c69911c7dd4e03b20552eb3bd77ad8151c1357 (2026-09-15)

scripts/setup/sha256-tarball-to

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+
+if [ "$#" -lt 4 ]; then
+    echo "Usage:"
+    echo "  sha256-tarball-to SHA256 http://FETCH/FROM.tar.gz SRC1 DST1 [SRC2 DST2 [...]]"
+    echo
+    echo "SHA256 is the sha256sum of the tarball fetched; each SRC (which may be a"
+    echo "directory) is expected to be a relative path into the unpacked tarball,"
+    echo "and each DST is the absolute path it should be moved to."
+    exit 1
+fi
+
+set -e
+set -x
+
+SHA256="$1"
+URL="$2"
+shift
+shift
+
+# Work in a tmpdir which we clean up at the end
+tmpdir="$(mktemp -d)"
+trap 'rm -r "$tmpdir"' EXIT
+cd "$tmpdir"
+
+# We support both .tar.gz and .zip files
+if [[ "$URL" == *.tar.gz ]] || [[ "$URL" == *.tgz ]]; then
+    extension="tar.gz"
+elif [[ "$URL" == *.zip ]]; then
+    extension="zip"
+else
+    echo "Can't determine archive type from URL: $URL"
+    exit 1
+fi
+
+# Fetch to a predictable name, not whatever curl guesses from the URL
+LOCALFILE="archive.$extension"
+curl -fL --retry 3 -o "$LOCALFILE" "$URL"
+
+# Check the hash against what was passed in
+echo "$SHA256  $LOCALFILE" >"$LOCALFILE.sha256"
+sha256sum -c "$LOCALFILE.sha256"
+
+if [[ "$extension" == "tar.gz" ]]; then
+    tar xzf "$LOCALFILE"
+else
+    unzip "$LOCALFILE"
+fi
+
+# Take the rest of the arguments two-at-a-time, as source and
+# destination to move out of the unpacked tarball.
+while [ "$#" -gt 0 ]; do
+    mv "$1" "$2"
+    shift
+    shift
+done