From 5c538af081d17b1c1f791914c905d5ad744dc844 Mon Sep 17 00:00:00 2001
From: aerugo <hugiasgeirsson@gmail.com>
Date: Tue, 23 Jul 2024 19:10:09 +0200
Subject: [PATCH] Added flag for case sensitivity (sorry, same branch)

---
 prelude           | 35 ++++++++++++++---------------------
 test_prelude.bats | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+), 21 deletions(-)

diff --git a/prelude b/prelude
index 7ae6047..3b2b9cc 100755
--- a/prelude
+++ b/prelude
@@ -66,6 +66,14 @@ print_manual() {
     echo
 }
 
+# Initialize variables
+specified_path=""
+output_filename=""
+tree_pattern=""
+git_only=false
+case_sensitive=false
+exclude_patterns="prelude|.git|.preludeignore|.gitignore"
+
 # Function to check if a command exists
 command_exists() {
     command -v "$1" >/dev/null 2>&1
@@ -112,17 +120,15 @@ filter_files() {
     local file="$1"
     local match=false
 
-    # Enable case-insensitive matching only if not case sensitive
-    if [ "$case_sensitive" = false ]; then
-        shopt -s nocasematch
-    fi
-    
     if [ -n "$tree_pattern" ]; then
         IFS='|' read -ra patterns <<< "$tree_pattern"
         for pattern in "${patterns[@]}"; do
-            if [[ $file == $pattern ]]; then
-                match=true
-                break
+            if [ "$case_sensitive" = true ]; then
+                [[ "$file" == $pattern ]] && match=true && break
+            else
+                shopt -s nocasematch
+                [[ "$file" == $pattern ]] && match=true && break
+                shopt -u nocasematch
             fi
         done
     else
@@ -132,11 +138,6 @@ filter_files() {
     if [ "$match" = true ] && ( [ -z "$exclude_patterns" ] || ! [[ $file =~ $exclude_patterns ]] ); then
         echo "$file"
     fi
-    
-    # Disable case-insensitive matching if it was enabled
-    if [ "$case_sensitive" = false ]; then
-        shopt -u nocasematch
-    fi
 }
 
 # Function to validate a pattern
@@ -148,14 +149,6 @@ validate_pattern() {
     fi
 }
 
-# Initialize variables
-specified_path=""
-output_filename=""
-tree_pattern=""
-git_only=false
-case_sensitive=false
-exclude_patterns="prelude|.git|.preludeignore|.gitignore"
-
 # Parse command line arguments
 while getopts ":P:F:M:cgC-:" opt; do
     case ${opt} in
diff --git a/test_prelude.bats b/test_prelude.bats
index 626eacf..652a2ff 100644
--- a/test_prelude.bats
+++ b/test_prelude.bats
@@ -289,6 +289,42 @@ teardown() {
     grep -q "Uncommitted change" output.txt
 }
 
+@test "Script respects case sensitivity with -M and -c flags" {
+    touch src/UPPERCASE.txt src/lowercase.txt
+    run ./prelude -M "*CASE.txt" -c -F output.txt
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"src/UPPERCASE.txt"* ]]
+    [[ "$output" != *"src/lowercase.txt"* ]]
+}
+
+@test "Script ignores case sensitivity with -M flag without -c flag" {
+    touch src/UPPERCASE.txt src/lowercase.txt
+    run ./prelude -M "*CASE.txt" -F output.txt
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"src/UPPERCASE.txt"* ]]
+    [[ "$output" == *"src/lowercase.txt"* ]]
+}
+
+@test "Script respects case sensitivity with -M, -c, and -g flags" {
+    touch src/UPPERCASE.txt src/lowercase.txt
+    git add src/UPPERCASE.txt src/lowercase.txt
+    git commit -m "Add case-sensitive files"
+    run ./prelude -M "*CASE.txt" -c -g -F output.txt
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"src/UPPERCASE.txt"* ]]
+    [[ "$output" != *"src/lowercase.txt"* ]]
+}
+
+@test "Script ignores case sensitivity with -M and -g flags without -c flag" {
+    touch src/UPPERCASE.txt src/lowercase.txt
+    git add src/UPPERCASE.txt src/lowercase.txt
+    git commit -m "Add case-sensitive files"
+    run ./prelude -M "*CASE.txt" -g -F output.txt
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"src/UPPERCASE.txt"* ]]
+    [[ "$output" == *"src/lowercase.txt"* ]]
+}
+
 @test "Script handles merge conflicts" {
     git checkout -b test-branch
     echo "Branch change" > src/test.txt