-(D) add_files, pass 1: explicitly ignoring /home/bremner/software/upstream/notmuch/test/tmp.T050-new/mail/.git
-(D) add_files, pass 1: explicitly ignoring /home/bremner/software/upstream/notmuch/test/tmp.T050-new/mail/.ignored_hidden_file
-(D) add_files, pass 1: explicitly ignoring /home/bremner/software/upstream/notmuch/test/tmp.T050-new/mail/ignored_file
-(D) add_files, pass 2: explicitly ignoring /home/bremner/software/upstream/notmuch/test/tmp.T050-new/mail/.git
-(D) add_files, pass 2: explicitly ignoring /home/bremner/software/upstream/notmuch/test/tmp.T050-new/mail/.ignored_hidden_file
-(D) add_files, pass 2: explicitly ignoring /home/bremner/software/upstream/notmuch/test/tmp.T050-new/mail/ignored_file
+(D) add_files, pass 1: explicitly ignoring ${MAIL_DIR}/.git
+(D) add_files, pass 1: explicitly ignoring ${MAIL_DIR}/.ignored_hidden_file
+(D) add_files, pass 1: explicitly ignoring ${MAIL_DIR}/ignored_file
+(D) add_files, pass 2: explicitly ignoring ${MAIL_DIR}/.git
+(D) add_files, pass 2: explicitly ignoring ${MAIL_DIR}/.ignored_hidden_file
+(D) add_files, pass 2: explicitly ignoring ${MAIL_DIR}/ignored_file