# HG changeset patch
# User Sean E. Russell <ser@ser1.net>
# Date 1637426227 21600
#      Sat Nov 20 10:37:07 2021 -0600
# Node ID 972d9ff36bf2ba0f015cdc74f2c8adf756e07c6b
# Parent  5371b318d4390dda7280d215a9ea169fcc9744ab
Adds -1 (no-daemon) mode & generifies file suffix (although, _a_ suffix is still required

diff --git a/synctodo b/synctodo
--- a/synctodo
+++ b/synctodo
@@ -7,6 +7,7 @@
 	printf "USAGE: synctodo [-dh] <file>
    -d       Debug
    -h       Help (exits)
+   -1       Sync up a file and exit (no-daemon mode)
    <file>   the path to the todo.txt-format file
 
 Finds all SyncThing *.sync-conflict* files for a given file and merges them,
@@ -23,7 +24,7 @@
 " $backupdir
 }
 
-while getopts dh opt ; do
+while getopts dh1 opt ; do
 	case $opt in
 		d)
 			set -x
@@ -32,6 +33,9 @@
 			usage
 			exit 0
 			;;
+		1)
+			local onetime=1
+			;;
 		?)
 			print $OPTERR
 			usage
@@ -46,7 +50,8 @@
 	exit 1
 fi
 
-ROOT=${FILE%.txt}
+ROOT=$FILE:r
+SUFF=$FILE:t:e
 
 # merge [F] => F
 # merge [F₀, F₁] => [F₀₁]
@@ -57,6 +62,7 @@
 		0)
 			;;
 		1)
+			local onetime=1
 			;;
 		2)
 			local tmpfile=$(tempname -d /tmp mergefile)
@@ -74,7 +80,7 @@
 }
 
 function mergeBased() {
-	CONFL=(${ROOT}.sync-conflict*.txt)
+	CONFL=(${ROOT}.sync-conflict*.${SUFF})
 	RES=$(merge $CONFL $FILE)
 	# cleanup
 	set -e
@@ -95,14 +101,17 @@
 printf "Backups will be in %s\n" "$backupdir"
 
 printf "Initial cleanup\n"
-fs=(${ROOT}.sync-conflict*.txt(N))
+fs=(${ROOT}.sync-conflict*.${SUFF}(N))
 [[ ${#fs} -gt 0 ]] && mergeBased
 
+# Exit if the user specified -1
+[[ -n $onetime ]] && exit 0
+
 printf "Watching %s" "$FILE"
 fswatch -l 5 --event Created --event IsFile "$(dirname $FILE)" | \
 while read -r event ; do
 	# because of the fswatch bug, we have to check this the hard way
-	echo "$event" | grep -qP "^${ROOT}\.sync-conflict.*\.txt$"
+	echo "$event" | grep -qP "^${ROOT}\.sync-conflict.*\.${SUFF}$"
 	if [[ $? -eq 0 ]]; then
 		mergeBased
 	fi