locks: tidy lock acquisition

Combine the check+create done in each script. (The original functions
are still callable as before, but a new combined `Aquire_lockfile`
function can be called instead, as now used).

Note, a further simplification could be done in removing the passing of
the lock filename in as a parameter since every use of the functions is
with ".lock". The lock functions already have a fallback to ".build/lock"
though. Checking the history, the fallback used to be for a system wide
lock, which was then replaced with this config-tree specific one. As long
as that is not used implicitly by 3rd-party hooks then surely we are free
to change the fallback to ".lock" and further remove passing in a name as
a param...?

history:
db5d2b0dcdae96e712661605e17bc9875e224f9f
0aa8289a3773fd8a3885090b72622c2f95ab099c

Gbp-Dch: Short
Closes: #952918

1 files changed, 2 insertions, 5 deletions

diff --git a/scripts/build/binary_grub-pc b/scripts/build/binary_grub-pc
index c2ad7d7af..433f35370 100755
--- a/scripts/build/binary_grub-pc
+++ b/scripts/build/binary_grub-pc
@@ -31,11 +31,8 @@ Require_stagefile .build/config .build/bootstrap
 # Checking stage file
 Check_stagefile .build/binary_grub
 
-# Checking lock file
-Check_lockfile .lock
-
-# Creating lock file
-Create_lockfile .lock
+# Aquire lock file
+Acquire_lockfile
 
 # Check architecture
 Check_architectures amd64 i386