Add _bin/get_mail.sh for better handle of email fetch

Since ``offlineimap`` sometimes just gets stuck, which blocks new
instance from running, this little script is composed to better
handle this stuck by first force kill existing instance.

However, this script in current state cannot work well with ``mu4e``.

1 files changed, 30 insertions, 0 deletions

diff --git a/_bin/get_mail.sh b/_bin/get_mail.sh
new file mode 100755
index 0000000..a8288cc
--- /dev/null
+++ b/_bin/get_mail.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+#
+# Run the command to get emails, and record its PID, which is used
+# to kill the program before run it again.
+# This is an workaround to solve the stuck issue with `offlineimap`.
+#
+
+# Command to get emails
+GET_CMD="offlineimap -o -1"
+
+# PID file
+PID_FILE="${HOME}/.cache/get_mail.pid"
+
+# Log file
+LOG_FILE="${HOME}/.cache/get_mail.log"
+
+
+# Kill the previous process at first.
+# For `offlineimap`, it sometimes just stucks ...
+if [ -e "${PID_FILE}" ]; then
+    kill -SIGKILL `cat ${PID_FILE}`
+    rm ${PID_FILE}
+fi
+
+if [ -e "${LOG_FILE}" ]; then
+    mv ${LOG_FILE} ${LOG_FILE}.old
+fi
+
+${GET_CMD} > ${LOG_FILE} 2>&1 &
+echo $! > ${PID_FILE}