use a single lock file for the build list

3 files changed, 14 insertions, 9 deletions

diff --git a/bin/get-assignment b/bin/get-assignment
index db9e2f4..091c634 100755
--- a/bin/get-assignment
+++ b/bin/get-assignment
@@ -45,14 +45,14 @@ hand_out_assignment() {
 
 # Create a lock file and a trap.
 
-exec 9> "${lock_file}"
+exec 9> "${build_list_lock_file}"
 if ! flock -n 9; then
-  >&2 echo 'come back (shortly) later - I was running already'
+  >&2 echo 'come back (shortly) later - I cannot lock build list.'
   exit 1
 fi
 
 function clean_up {
-  rm -f "${lock_file}"
+  rm -f "${build_list_lock_file}"
 }
 
 trap clean_up EXIT
diff --git a/bin/get-package-updates b/bin/get-package-updates
index 2e666ac..80e9527 100755
--- a/bin/get-package-updates
+++ b/bin/get-package-updates
@@ -13,8 +13,11 @@
 
 # Create a lock file for build list.
 
-exec 9> "${lock_file}"
-flock -n 9 || exit
+exec 9> "${build_list_lock_file}"
+if ! flock -n 9; then
+  >&2 echo 'come back (shortly) later - I cannot lock build list.'
+  exit
+fi
 
 # Update git repositories (official packages, community packages and the repository of package customizations).
 
@@ -244,4 +247,4 @@ fi
 
 # Remove the lock file
 
-rm -f "${lock_file}"
+rm -f "${build_list_lock_file}"
diff --git a/bin/return-assignment b/bin/return-assignment
index b8d1bb4..951eb8c 100755
--- a/bin/return-assignment
+++ b/bin/return-assignment
@@ -22,14 +22,16 @@
 
 # Create a lock file and a trap.
 
-exec 9> "${lock_file}"
+exec 9> "${build_list_lock_file}"
 if ! flock -n 9; then
-  >&2 echo 'come back (shortly) later - I was running already'
+  >&2 echo 'come back (shortly) later - I cannot lock build list.'
+  exit
+fi
   exit 1
 fi
 
 function clean_up {
-  rm -f "${lock_file}"
+  rm -f "${build_list_lock_file}"
 }
 
 trap clean_up EXIT