ianmcook commented on code in PR #40514:
URL: https://github.com/apache/arrow/pull/40514#discussion_r1534709480
##########
dev/release/verify-release-candidate.sh:
##########
@@ -499,6 +499,41 @@ maybe_setup_conda() {
fi
}
+install_maven() {
+ MAVEN_VERSION=3.8.7
+ if command -v mvn > /dev/null; then
+ SYSTEM_MAVEN_VERSION=$(mvn -v | head -n 1 | awk '{print $3}')
+ show_info "Found Maven version ${SYSTEM_MAVEN_VERSION} at $(command -v
mvn)."
+ else
+ SYSTEM_MAVEN_VERSION=0.0.0
+ show_info "Maven installation not found."
+ fi
+
+ if [[ "$MAVEN_VERSION" == "$SYSTEM_MAVEN_VERSION" ]]; then
+ show_info "System Maven version ${SYSTEM_MAVEN_VERSION} matches required
Maven version ${MAVEN_VERSION}. Skipping installation."
+ else
+ older_version=$(printf '%s\n%s\n' "$SYSTEM_MAVEN_VERSION" "$MAVEN_VERSION"
| sed 's/$/|/' | sort -V | sed 's/|$//' | head -n1)
Review Comment:
```suggestion
# Append pipe character to make preview release versions like
"X.Y.Z-beta-1" sort as
# older than their corresponding release version "X.Y.Z". This works
because
# `sort -V` orders the pipe character lower than any character in
version numbers.
older_version=$(printf '%s\n%s\n' "$SYSTEM_MAVEN_VERSION"
"$MAVEN_VERSION" | sed 's/$/|/' | sort -V | sed 's/|$//' | head -n1)
```
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