Implemented a way to force expiration of files

2 files changed, 33 insertions, 2 deletions

diff --git a/cras.1 b/cras.1
index 4fd9862..8c2d830 100644
--- a/cras.1
+++ b/cras.1
@@ -5,7 +5,7 @@ cras - The Anti-Procrastination Tool
 .SH SYNOPSIS
 .PP
 .B cras
-.RB [ \-anov ]
+.RB [ \-ainov ]
 .RB [ \-dtT 
 .IR num  ]
 .I file
@@ -21,6 +21,10 @@ Append new tasks to
 .I file.
 (Be aware that this doesn't update the expiration date.)
 .TP
+.B \-i
+Force expiration of
+.I file.
+.TP
 .B \-n
 Create new
 .I file,
@@ -57,6 +61,8 @@ date, which under the default configuration is 24 hours after originally saving
 it. Use -t to mark a task as done and -T to mark it back as pending.
 .PP
 You may delete tasks by using the -d option followed by its identifying number.
+If you want to set the whole file as already expired, you may do so by using 
+the -i option.
 .PP
 Running cras with no options outputs the task list. For a summary, use the -o
 flag; this short-form output is suitable for printing to WM status bars.
diff --git a/cras.c b/cras.c
index 2f56d05..9874829 100644
--- a/cras.c
+++ b/cras.c
@@ -24,6 +24,7 @@ enum {
 enum {
 	DEF_MODE,
 	APP_MODE,
+	INVAL_MODE,
 	NEW_MODE,
 	OUT_MODE,
 	DLT_MODE,
@@ -45,6 +46,7 @@ static void input_mode(const char *crasfile, int append);
 static void output_mode(const char *crasfile, int mode);
 static void delete_mode(const char *crasfile, const char *id);
 static void mark_list_mode(const char *crasfile, const char *id, int value);
+static void inval_mode(const char *crasfile);
 
 static void
 die(const char *fmt, ...)
@@ -214,7 +216,7 @@ parse_tasknum(const char *id)
 static void
 usage(void)
 {
-	die("usage: cras [-anov] [-dtT num] file");
+	die("usage: cras [-ainov] [-dtT num] file");
 }
 
 static void
@@ -308,6 +310,21 @@ mark_list_mode(const char *crasfile, const char *id, int value)
 	task_lst_cleanup(&list);
 }
 
+static void
+inval_mode(const char *crasfile)
+{
+	TaskLst list;
+
+	task_lst_init(&list);
+	read_crasfile(&list, crasfile);
+
+	task_lst_set_expiration(&list, 0);
+
+	write_crasfile(crasfile, list);
+
+	task_lst_cleanup(&list);
+}
+
 int
 main(int argc, char *argv[])
 {
@@ -321,6 +338,11 @@ main(int argc, char *argv[])
 			usage();
 		mode = APP_MODE;
 		break;
+	case 'i':
+		if (mode != DEF_MODE)
+			usage();
+		mode = INVAL_MODE;
+		break;
 	case 'n':
 		if (mode != DEF_MODE)
 			usage();
@@ -366,6 +388,9 @@ main(int argc, char *argv[])
 	case APP_MODE:
 		input_mode(argv[0], 1);
 		return 0;
+	case INVAL_MODE:
+		inval_mode(argv[0]);
+		return 0;
 	case NEW_MODE:
 		input_mode(argv[0], 0);
 		return 0;