From a3323158e708a9a932122f98b19079745d33c6ca Mon Sep 17 00:00:00 2001
From: Mingyu Li <mingyu7@illinois.edu>
Date: Wed, 11 Dec 2024 02:05:56 -0600
Subject: [PATCH] add batch script

---
 .../find_moved_or_renamed_commit_batch.sh     | 67 +++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 auto-find-moved-or-renamed/find_moved_or_renamed_commit_batch.sh

diff --git a/auto-find-moved-or-renamed/find_moved_or_renamed_commit_batch.sh b/auto-find-moved-or-renamed/find_moved_or_renamed_commit_batch.sh
new file mode 100644
index 00000000..ff076a15
--- /dev/null
+++ b/auto-find-moved-or-renamed/find_moved_or_renamed_commit_batch.sh
@@ -0,0 +1,67 @@
+#!/bin/bash
+
+# This script takes a batch of (FUNCTION_NAME, FILENAME, START_COMMIT) sets from a file
+# and identifies the commit where each function was modified.
+
+# Usage:
+# ./find_moved_or_renamed_commit.sh <BATCH_FILE>
+#
+# The batch file should have one set of parameters per line, in the following format:
+# FUNCTION_NAME FILENAME START_COMMIT
+
+BATCH_FILE="$1"
+
+if [ -z "$BATCH_FILE" ]; then
+    echo "Usage: $0 <BATCH_FILE>"
+    exit 1
+fi
+
+if [ ! -f "$BATCH_FILE" ]; then
+    echo "Error: File '$BATCH_FILE' not found!"
+    exit 1
+fi
+
+# Ensure we're in the root directory of the repository
+cd "$(git rev-parse --show-toplevel)" || exit 1
+
+echo "Processing batch input from $BATCH_FILE ..."
+echo
+
+while IFS= read -r line; do
+    # Skip empty lines or lines starting with '#'
+    if [[ -z "$line" || "$line" =~ ^# ]]; then
+        continue
+    fi
+    
+    # Extract parameters from line
+    FUNCTION_NAME=$(echo "$line" | awk '{print $1}')
+    FILENAME=$(echo "$line" | awk '{print $2}')
+    START_COMMIT=$(echo "$line" | awk '{print $3}')
+
+    if [ -z "$FUNCTION_NAME" ] || [ -z "$FILENAME" ] || [ -z "$START_COMMIT" ]; then
+        echo "Skipping malformed line: $line"
+        continue
+    fi
+
+    echo "----------------------------------------"
+    echo "Checking for function renames or file renames/moves for:"
+    echo "FUNCTION_NAME: $FUNCTION_NAME"
+    echo "FILENAME:      $FILENAME"
+    echo "START_COMMIT:  $START_COMMIT"
+    echo "----------------------------------------"
+
+    METHOD_REGEX="(public|protected|private|static|\\s)+\\s+.*\\s+$FUNCTION_NAME\\s*\\(.*\\)"
+
+    git log "$START_COMMIT"..HEAD \
+        --follow \
+        --find-renames \
+        -G"$METHOD_REGEX" \
+        -p \
+        --name-status \
+        --reverse \
+        --color \
+        --decorate \
+        -- "$FILENAME" | less -R
+
+    echo
+done < "$BATCH_FILE"