feat: print the git hash.

git-svn integration is no longer used, so there are no more revisions.

Author: mprobst

build.sh

@@ -14,7 +14,7 @@ popd
 mkdir -p ~/src/llvm-project/build.release
 pushd ~/src/llvm-project/build.release
 
-echo === Building based on r$(git log -n 1 | grep 'git-svn-id' | sed -e 's|.*@\([0-9]*\).*|\1|') ...
+echo === Building based on r$(git log -n 1 --pretty=format:"%h") ...
 cmake -G Ninja -DCMAKE_BUILD_TYPE=MinSizeRel -DLLVM_ENABLE_PROJECTS=clang ../llvm
 ninja clang-format
 popd
@@ -33,7 +33,7 @@ ssh $LINUX_HOST << EOF
 
   mkdir -p ~/src/llvm-project/build.release
   pushd ~/src/llvm-project/build.release
-  echo === Building based on r\$(git log -n 1 | grep 'git-svn-id' | sed -e 's|.*@\([0-9]*\).*|\1|') ...
+  echo === Building based on r\$(git log -n 1 --pretty=format:"%h") ...
   cmake -G Ninja -DCMAKE_BUILD_TYPE=MinSizeRel -DLLVM_BUILD_STATIC=true -DLLVM_ENABLE_ZLIB=no -DLLVM_ENABLE_PROJECTS=clang ../llvm
   ninja clang-format
   popd