#!/bin/bash

## IMPORTANT ##
# Add the following files to Input Files configuraiton of the build phase
# $(TARGET_BUILD_DIR)/$(INFOPLIST_PATH)
# $(DWARF_DSYM_FOLDER_PATH)/$(DWARF_DSYM_FILE_NAME)/Contents/Info.plist

update_plist_key() {
    local plist=$1
    local key=$2
    local value=$3
    
    if /usr/libexec/PlistBuddy -c "Print :$key" "$plist" > /dev/null 2>&1; then
        /usr/libexec/PlistBuddy -c "Set :$key string $value" "$plist"
    else
        /usr/libexec/PlistBuddy -c "Add :$key string $value" "$plist"
    fi
}

git=$(sh /etc/profile; which git)
commit_hash=$("$git" rev-parse --short HEAD)
build_time=$(date "+%-d/%b/%Y")

target_plist="$TARGET_BUILD_DIR/$INFOPLIST_PATH"
dsym_plist="$DWARF_DSYM_FOLDER_PATH/$DWARF_DSYM_FILE_NAME/Contents/Info.plist"

for plist in "$target_plist" "$dsym_plist"; do
  if [ -f "$plist" ]; then
    echo "updating $plist"
    update_plist_key "$plist" "BuildTime" "$build_time"
    update_plist_key "$plist" "CommitHash" "$commit_hash"
  fi
done