bash scripts

generatePatchesByFile.sh

@@ -0,0 +1,98 @@
+#!/bin/bash
+
+commit1=$1
+commit2=$2
+dir=$3
+patches_dir=$4
+CHECK=1
+APPLY=1
+
+if [ -z "$commit1" ] || [ -z "$commit2" ] || [ -z "$dir" ]; then
+  echo "Usage: $0 <commit1> <commit2> <directory> [patches_dir]"
+  exit 1
+fi
+
+# Default patches directory if not provided
+if [ -z "$patches_dir" ]; then
+  patches_dir="$(pwd)/patches"
+elif [[ "$patches_dir" != /* ]]; then
+  patches_dir="$(pwd)/${patches_dir}patches"
+fi
+
+if [[ "$commit2" == "HEAD" ]]; then
+  commit2=""
+fi
+
+echo "Diffing $dir from $commit1 to ${commit2:-HEAD}..."
+echo "Patches will be saved in: $patches_dir"
+
+
+# Save current directory
+orig_dir="$(pwd)"
+
+# Get git root directory relative to $dir
+git_root=$(git -C "$dir" rev-parse --show-toplevel) || { echo "Not a git repo: $dir"; exit 1; }
+
+# Compute relative path of $dir from git root
+relative_dir=$(realpath --relative-to="$git_root" "$dir")
+echo "Relative path of $dir from git root: $relative_dir"
+
+# Change to git root directory
+cd "$git_root" || { echo "Failed to cd to git root of $dir"; exit 1; }
+echo "Go to $git_root"
+mkdir -p "$patches_dir"
+
+# Load list of changed files into an array
+mapfile -t diff_files < <(git diff --name-only $commit1..$commit -- $relative_dir )
+
+
+for file in "${diff_files[@]}"; do
+	git diff $commit1..$commit2 --stat -- "$file"
+done
+
+for file in "${diff_files[@]}"; do
+	echo $file
+	git diff $commit1..$commit2 -- "$file" > "$patches_dir/$(basename "$file").patch"
+done
+for patch in "$patches_dir"/*.patch; do
+	echo $patch
+	for patch in "$patches_dir"/*.patch; do
+  		sed -i 's|trixel3_software/||g' "$patch"
+	done
+done
+
+# Get git root directory relative to $dir
+git_root_patches_dir=$(git -C "$patches_dir" rev-parse --show-toplevel) || { echo "Not a git repo: $patches_dir"; exit 1; }
+
+# Compute relative path of $dir from git root
+relative_dir_patches_dir=$(realpath --relative-to="$git_root_patches_dir" "$patches_dir")
+echo "Relative path of $patches_dir from git root: $relative_dir_patches_dir"
+
+# Change to git root directory
+cd "$git_root_patches_dir" || { echo "Failed to cd to git root of $patches_dir"; exit 1; }
+echo "Go to $git_root_patches_dir"
+
+if [[ $CHECK -eq 1 ]]; then
+  # check patches
+	echo "CHECK Patches"
+  for patch in "$patches_dir"/*.patch; do
+  	echo $patch
+	git apply --check "$patch"
+  done
+fi
+
+if [[ $APPLY -eq 1 ]]; then
+  # apply patches
+ 	echo "APPLY Patches"
+  for patch in "$patches_dir"/*.patch; do
+    if git apply "$patch"; then
+      echo "Applied $patch successfully."
+      rm "$patch"
+    else
+      echo "Failed to apply $patch. Skipping."
+    fi
+  done
+fi
+
+# Return to original directory
+cd "$orig_dir" || exit 1