[ci skip] Add upstream commit msg generator

scripts/upstreamCommit.sh

@@ -0,0 +1,111 @@
+#!/usr/bin/env bash
+
+# requires curl & jq
+# Credit: https://github.com/PurpurMC/Purpur
+
+# Usage:
+# upstreamCommit --paper HASH --gale HASH --purpur HASH --leaves HASH
+# flag: --paper HASH - (Optional) the commit hash to use for comparing commits between paper (PaperMC/Paper/compare/HASH...HEAD)
+# flag: --gale HASH - the commit hash to use for comparing commits between gale (Dreeam-qwq/Gale/compare/HASH...HEAD)
+# flag: --purpur HASH - the commit hash to use for comparing commits between purpur (PurpurMC/Purpur/compare/HASH...HEAD)
+# flag: --leaves HASH - the commit hash to use for comparing commits between leaves (LeavesMC/Leaves/compare/HASH...HEAD)
+
+function getCommits() {
+    curl -H "Accept: application/vnd.github.v3+json" https://api.github.com/repos/"$1"/compare/"$2"..."$3" | jq -r '.commits[] | "'"$1"'@\(.sha[:7]) \(.commit.message | split("\r\n")[0] | split("\n")[0])"'
+}
+
+(
+set -e
+PS1="$"
+
+galeHash=$(git diff gradle.properties | awk '/^-galeCommit =/{print $NF}')
+paperHash=""
+purpurHash=""
+leavesHash=""
+
+TEMP=$(getopt --long paper:,gale:,purpur:,leaves: -o "" -- "$@")
+eval set -- "$TEMP"
+while true; do
+    case "$1" in
+        --paper)
+            paperHash="$2"
+            shift 2
+            ;;
+        --gale)
+            galeHash="$2"
+            shift 2
+            ;;
+        --purpur)
+            purpurHash="$2"
+            shift 2
+            ;;
+        --leaves)
+            leavesHash="$2"
+            shift 2
+            ;;
+        *)
+            break
+            ;;
+    esac
+done
+
+paper=""
+gale=""
+purpur=""
+leaves=""
+updated=""
+logsuffix=""
+
+# Paper updates
+if [ -n "$paperHash" ]; then
+    newHash=$(git diff gradle.properties | awk '/^+paperCommit =/{print $NF}')
+    paper=$(getCommits "PaperMC/Paper" "$paperHash" $(echo $newHash | grep . -q && echo $newHash || echo "HEAD"))
+
+    # Updates found
+    if [ -n "$paper" ]; then
+        updated="Paper"
+        logsuffix="$logsuffix\n\nPaper Changes:\n$paper"
+    fi
+fi
+
+# Gale updates
+if [ -n "$galeHash" ]; then
+    gale=$(getCommits "Dreeam-qwq/Gale" "$galeHash" "HEAD")
+
+    # Updates found
+    if [ -n "$gale" ]; then
+        updated="${updated:+$updated/}Gale"
+        logsuffix="$logsuffix\n\nGale Changes:\n$gale"
+    fi
+fi
+
+# Purpur updates
+if [ -n "$purpurHash" ]; then
+    purpur=$(getCommits "PurpurMC/Purpur" "$purpurHash" "HEAD")
+
+    # Updates found
+    if [ -n "$purpur" ]; then
+        updated="${updated:+$updated/}Purpur"
+        logsuffix="$logsuffix\n\nPurpur Changes:\n$purpur"
+    fi
+fi
+
+# Leaves updates
+if [ -n "$leavesHash" ]; then
+    leaves=$(getCommits "LeavesMC/Leaves" "$leavesHash" "HEAD")
+
+    # Updates found
+    if [ -n "$leaves" ]; then
+        updated="${updated:+$updated/}Leaves"
+        logsuffix="$logsuffix\n\nLeaves Changes:\n$leaves"
+    fi
+fi
+
+disclaimer="Upstream has released updates that appear to apply and compile correctly"
+log="Updated Upstream ($updated)\n\n${disclaimer}${logsuffix}"
+
+git add gradle.properties
+
+echo -e "$log" | git commit -F -
+
+) || exit 1