X-Git-Url: https://git.ao2.it/config/vcsh.git/blobdiff_plain/c6461aa97fe3711c2055721aa37d8b0d19579f49..3535ec27f70d73034e315faf7e3ded8c75c0413d:/.config/vcsh/hooks-available/populate-fully.sh

diff --git a/.config/vcsh/hooks-available/populate-fully.sh b/.config/vcsh/hooks-available/populate-fully.sh
index b038d1e..ceff12f 100755
--- a/.config/vcsh/hooks-available/populate-fully.sh
+++ b/.config/vcsh/hooks-available/populate-fully.sh
@@ -8,9 +8,24 @@ set -e
 # Only one vcsh instance at a time can have the working tree fully populated.
 LOCKDIR=/run/lock/vcsh
 
-# Kill the parent process because vcsh does not catch the hook exit value.
-# See: https://github.com/RichiH/vcsh/issues/251
-mkdir "$LOCKDIR" 2>/dev/null || { echo "An instance of vcsh already entered a repository." 1>&2; kill -- -$PPID;}
+# If mkdir fails it means that the lock dir already exists and the lock is
+# already active.
+if ! mkdir "$LOCKDIR" 2>/dev/null;
+then
+  echo "An instance of vcsh already entered a repository." 1>&2
+
+  # Exit vcsh if the process which keeps the lock is still alive.
+  if kill -0 $(cat "$LOCKDIR/pid") 2>/dev/null;
+  then
+    # Kill the parent process instead of just bailing out because vcsh does
+    # not catch the hook exit value.
+    # See: https://github.com/RichiH/vcsh/issues/251
+    kill -- -$PPID
+  else
+    echo "The instance which entered the repository earlier does not exist anymore." 1>&2
+    echo "Continuing anyway." 1>&2
+  fi
+fi
 
 # Lock on the parent pid because the hooks are launched as children of vcsh.
 echo $PPID > "$LOCKDIR/pid"