Astyle options agreed during TC meeting 2018/10/18.

 -- Note that max line length is 200 (maximum allowed by tool)
 -- Pre-commit hook tested and uses the same option file as CI
Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

ci-scripts/astyle-options.txt

@@ -7,6 +7,10 @@ convert-tabs
 indent=spaces=2
 # Indent 'switch' blocks so that the 'case X:' statements are indented in the switch block. 
 indent-switches
+# Indent preprocessor blocks at bracket level 0.
+indent-preproc-block
+# Indent multi-line preprocessor #define statements.
+indent-preproc-define
 # Indent C++ comments beginning in column one.
 indent-col1-comments
 # Pad empty lines around header blocks
@@ -14,7 +18,9 @@ break-blocks
 delete-empty-lines
 # Attach a pointer or reference operator (*, &, or ^) to the variable name (right)
 align-pointer=name
-# The code line length is 200 characters/columns 
+# The code line length is 200 characters/columns (this is the maximum allowed by astyle)
 max-code-length=200
+# If the line contains logical conditionals they will be placed first on the new line.
 break-after-logical
+# Force use of the linux end of line
 lineend=linux

pre-commit

@@ -4,7 +4,7 @@
 #   cp pre-commit .git/hooks
 #   chmod +x .git/hooks/pre-commit
 
-OPTIONS="--convert-tabs --indent=spaces=2 --indent-switches --indent-col1-comments --break-blocks --delete-empty-lines --align-pointer=name --keep-one-line-blocks --keep-one-line-statements --lineend=linux"
+OPTIONS="--options=ci-scripts/astyle-options.txt"
 
 RETURN=0
 ASTYLE=$(which astyle)