Handle snapshot info the “modern” way, in the Version

gn.spec

@@ -26,9 +26,10 @@ Name:           gn
 # See https://gn.googlesource.com/gn/+log for the latest changes.
 %global commit c114b7e0b3a327e854cae6b560902230436f1ac7
 %global access 20220413
-%global shortcommit %(echo %{commit} | cut -b -8)
-Version:        2014
-Release:        %autorelease -s %{access}git%{shortcommit}
+%global shortcommit %(echo '%{commit}' | cut -b -8)
+%global position 2014
+Version:        %{position}^%{access}git%{shortcommit}
+Release:        %autorelease
 Summary:        Meta-build system that generates build files for Ninja
 
 # BSD except for src/base/third_party/icu/, which is (Unicode and MIT); note
@@ -160,10 +161,10 @@ out/gn_unittests
 
 # Verify consistency of the version header with the spec file
 grep -E '^#define[[:blank:]]+LAST_COMMIT_POSITION_NUM[[:blank:]]+'\
-'%{version}[[:blank:]]*' \
+'%{position}[[:blank:]]*' \
     'out/last_commit_position.h' >/dev/null
 grep -E '^#define[[:blank:]]+LAST_COMMIT_POSITION[[:blank:]]+'\
-'"%{version} \(%{shortcommit}\)"[[:blank:]]*' \
+'"%{position} \(%{shortcommit}\)"[[:blank:]]*' \
     'out/last_commit_position.h' >/dev/null
 
 

update-version

@@ -83,7 +83,7 @@ sed -r -i \
     -e 's/(%global[[:blank:]]+access[[:blank:]]+)[[:digit:]]{8}[[:blank:]]*$/\1'"$(
       date -u '+%Y%m%d'
     )/" \
-    -e 's/(Version:[[:blank:]]+)[[:digit:]]+[[:blank:]]*$/\1'"${POSITION}/" \
+    -e 's/(%global[[:blank:]]+position[[:blank:]]+)[[:digit:]]+[[:blank:]]*$/\1'"${POSITION}/" \
     "${SPEC}"
 
 # Download the new tarball