populate-sparsely.sh: explain why the script exits if there is no lock

[config/vcsh.git] / .config / vcsh / hooks-available / populate-sparsely.sh

diff --git a/.config/vcsh/hooks-available/populate-sparsely.sh b/.config/vcsh/hooks-available/populate-sparsely.sh
index 387ec21..53d2b3a 100755 (executable)
--- a/.config/vcsh/hooks-available/populate-sparsely.sh
+++ b/.config/vcsh/hooks-available/populate-sparsely.sh
@@ -5,6 +5,9 @@ set -e
 # Only the same instance of vcsh that had the working tree fully populated is
 # allowed to repopulate it sparsely.
 LOCKDIR=/run/lock/vcsh
 # Only the same instance of vcsh that had the working tree fully populated is
 # allowed to repopulate it sparsely.
 LOCKDIR=/run/lock/vcsh

+
+# If LOCKDIR does not exist it means that the lock is not active so there's no
+# need to do anything.

 [ -d "$LOCKDIR" ] || exit 0
 
 LOCKPID=$(cat "$LOCKDIR/pid")
 [ -d "$LOCKDIR" ] || exit 0
 
 LOCKPID=$(cat "$LOCKDIR/pid")