From c73a26469429ae07d11e45c693038a4028eae3ff Mon Sep 17 00:00:00 2001
From: Storm Dragon <stormdragon2976@gmail.com>
Date: Thu, 12 Dec 2024 21:38:37 -0500
Subject: [PATCH] Set version file path in file in repositories .git directory.
 This makes it easy to use with multiple projects while keeping the hook up to
 date.

---
 pre-commit-version-increment | 99 ++++++++++++++++++++++--------------
 1 file changed, 60 insertions(+), 39 deletions(-)

diff --git a/pre-commit-version-increment b/pre-commit-version-increment
index dc64146..0b00304 100755
--- a/pre-commit-version-increment
+++ b/pre-commit-version-increment
@@ -1,53 +1,79 @@
 #!/usr/bin/env bash
 
-# Path to the version file
-versionFile="src/fenrirscreenreader/fenrirVersion.py"
+# This script reads the version file path from .git/versionpath
+# Format of .git/versionpath should be:
+# versionFile="path_from_root_of_project/version_file"
 
 # Colors for output
-RED='\033[0;31m'
-YELLOW='\033[1;33m'
-GREEN='\033[0;32m'
-NC='\033[0m' # No Color
+colorRed='\033[0;31m'
+colorYellow='\033[1;33m'
+colorGreen='\033[0;32m'
+colorNone='\033[0m' # No Color
+
+# Get the git root directory
+gitRoot=$(git rev-parse --show-toplevel)
+if [[ $? -ne 0 ]]; then
+    echo -e "${colorRed}Error: Not in a git repository${colorNone}"
+    exit 1
+fi
+
+# Temporarily move to the git root directory
+pushd "$gitRoot" >/dev/null || {
+    echo -e "${colorRed}Error: Could not change to git root directory${colorNone}"
+    exit 1
+}
 
 # Check if SKIP_VERSION_UPDATE is set
-if [ "${SKIP_VERSION_UPDATE}" = "1" ]; then
-    echo -e "${YELLOW}Notice: Skipping version update due to SKIP_VERSION_UPDATE=1${NC}"
+if [[ "${SKIP_VERSION_UPDATE}" = "1" ]]; then
+    echo -e "${colorYellow}Notice: Skipping version update due to SKIP_VERSION_UPDATE=1${colorNone}"
+    popd >/dev/null
     exit 0
 fi
 
+# Verify .git/versionpath exists
+if [[ ! -f ".git/versionpath" ]]; then
+    echo -e "${colorRed}Error: .git/versionpath not found. Please create it with contents:${colorNone}"
+    echo -e "${colorYellow}versionFile=\"path/to/your/version/file\"${colorNone}"
+    popd >/dev/null
+    exit 1
+fi
+
+# Source the version path file
+# shellcheck disable=SC1091
+source ".git/versionpath"
+
+# Validate that versionFile variable was set
+if [[ -z "$versionFile" ]]; then
+    echo -e "${colorRed}Error: versionFile variable not set in .git/versionpath${colorNone}"
+    popd >/dev/null
+    exit 1
+fi
+
 # Get current date components
-YEAR=$(date +%Y)
-MONTH=$(date +%m)
-DAY=$(date +%d)
+year=$(date +%Y)
+month=$(date +%m)
+day=$(date +%d)
 
 # Create new version string
-newVersion="$YEAR.$MONTH.$DAY"
+newVersion="$year.$month.$day"
 
 # Get current branch name
 branchName=$(git rev-parse --abbrev-ref HEAD)
 
 # Check if we're in the middle of a merge
-if [ -f ".git/MERGE_HEAD" ]; then
-    echo -e "${YELLOW}Warning: In the middle of a merge. Skipping version update.${NC}"
+if [[ -f ".git/MERGE_HEAD" ]]; then
+    echo -e "${colorYellow}Warning: In the middle of a merge. Skipping version update.${colorNone}"
+    popd >/dev/null
     exit 0
 fi
 
-# Check if file exists
-if [ ! -f "$versionFile" ]; then
-    echo -e "${RED}Error: Version file not found at $versionFile${NC}"
+# Check if file exists relative to git root
+if [[ ! -f "$versionFile" ]]; then
+    echo -e "${colorRed}Error: Version file not found at $versionFile${colorNone}"
+    popd >/dev/null
     exit 1
 fi
 
-# Check if the branch name contains "temp" or "temporary"
-if [[ "$branchName" =~ temp(orary)? ]]; then
-    echo -e "${YELLOW}Warning: You appear to be on a temporary branch ($branchName).${NC}"
-    read -p "Do you want to continue with the version update? (y/N) " -n 1 -r
-    echo
-    if [[ ! $REPLY =~ ^[Yy]$ ]]; then
-        exit 1
-    fi
-fi
-
 # Store original version file content
 originalContent=$(cat "$versionFile")
 
@@ -73,23 +99,18 @@ else
 fi
 
 # Check if the file was actually modified
-if [ "$(cat "$versionFile")" != "$originalContent" ]; then
-    echo -e "${GREEN}Notice: Version file has been updated to $newVersion${NC}"
+if [[ "$(cat "$versionFile")" != "$originalContent" ]]; then
+    echo -e "${colorGreen}Notice: Version file has been updated to $newVersion${colorNone}"
     if ! git diff --cached --quiet "$versionFile"; then
-        echo -e "${YELLOW}Notice: Version file was already staged, updates have been made to staged version${NC}"
+        echo -e "${colorYellow}Notice: Version file was already staged, updates have been made to staged version${colorNone}"
     else
         git add "$versionFile"
-        echo -e "${YELLOW}Notice: Version file has been staged${NC}"
+        echo -e "${colorYellow}Notice: Version file has been staged${colorNone}"
     fi
 else
-    echo -e "${GREEN}Notice: No updates needed to version file${NC}"
+    echo -e "${colorGreen}Notice: No updates needed to version file${colorNone}"
 fi
 
-# Check if this is the second commit today
-lastCommitVersion=$(git log -1 --format=%cd --date=format:'%Y.%m.%d' 2>/dev/null)
-if [ "$lastCommitVersion" = "$newVersion" ]; then
-    echo -e "${YELLOW}Notice: Multiple commits on version $newVersion${NC}"
-fi
+echo -e "\n${colorGreen}Note: You can skip version updates by setting SKIP_VERSION_UPDATE=1${colorNone}"
 
-# Print help information
-echo -e "\n${GREEN}Note: You can skip version updates by setting SKIP_VERSION_UPDATE=1${NC}"
+popd >/dev/null