[fix] Changelog location should be configurable and piped content work with self call of sudo

changelog.sh

@@ -1,17 +1,24 @@
 #!/bin/bash
 #Manages an /etc/changelog
 
+# Immediately attempt to read from named pipe 
+# And store the piped content if provided
+[[ -p /proc/self/fd/0 ]] && export STDIN=$( cat  )
+# And then force the input to be from terminal
+exec 0</dev/tty
 
+# Defining some path variables
 APP_PATH=$( cd $(dirname ${BASH_SOURCE[0]}) && pwd )
 APP_NAME=$( basename ${BASH_SOURCE[0]})
-STDIN=$( cat  )
-ls -lh /proc/self/fd
-exec 0</dev/tty
-CHANGELOG=/etc/changelog
+
+
+
+
 # %CONFIG% This comment is used to build custom scripts 
 [[ -f "$APP_PATH/config.sh" ]] && source "$APP_PATH/config.sh"
 
 # Sanity check on changelog file 
+[[ -n "$CHANGELOG" ]] && CHANGELOG="/etc/Changelog"
 [[ -f "$CHANGELOG" ]] && [[ ! -w "$CHANGELOG" ]] && RUN_SUDO=1
 [[ ! -f "$CHANGELOG" ]] && ! touch /etc/changelog &>/dev/null && RUN_SUDO=1
 [[ $RUN_SUDO -eq 1 ]] && {

config.sample.sh

@@ -1,3 +1,4 @@
+CHANGELOG=/etc/Changelog
 CHANGELOG_SERVER=https://changelog.example.com
 CHANGELOG_AUTH_KEY=your-shared-secret
 HASTEBIN_SERVER=https://hastebin.com