init: allow deinitialization

man/pass.1

@@ -63,7 +63,9 @@ Note that use of
 is recommended so that the batch decryption does not require as much user
 intervention. If \fI--path\fP or \fI-p\fP is specified, along with an argument,
 a specific gpg-id or set of gpg-ids is assigned for that specific sub folder of
-the password store.
+the password store. If only one \fIgpg-id\fP is given, and it is an empty string,
+then the current \fI.gpg-id\fP file for the specified \fIsub-folder\fP (or root if
+unspecified) is removed.
 .TP
 \fBls\fP \fIsubfolder\fP
 List names of passwords inside the tree at

src/password-store.sh

@@ -263,8 +263,22 @@ cmd_init() {
 		fi
 	fi
 
-	mkdir -v -p "$PREFIX/$id_path"
 	local gpg_id="$PREFIX/$id_path/.gpg-id"
+
+	if [[ $# -eq 1 && -z $1 ]]; then
+		if [[ ! -f "$gpg_id" ]]; then
+			echo "Error: $gpg_id does not exist and so cannot be removed."
+			exit 1
+		fi
+		rm -v -f "$gpg_id" || exit 1
+		if [[ -d $GIT_DIR ]]; then
+			git rm -qr "$gpg_id"
+			git_commit "Deinitialized ${gpg_id}."
+		fi
+		exit 0
+	fi
+
+	mkdir -v -p "$PREFIX/$id_path"
 	printf "%s\n" "$@" > "$gpg_id"
 	local id_print="$(printf "%s, " "$@")"
 	echo "Password store initialized for ${id_print%, }"