Change version to git describe and make set-able from outside

Change version to use git describe instead of git log as this will also work
if tags are present and make the version string set-able from outside as a
parameter to cmake, so that package managers can set this if building outside
of a git working tree.

1 files changed, 1 insertions, 1 deletions

diff --git a/json/jsonwrite.cc b/json/jsonwrite.cc
index 9723d3b2..477bfca5 100644
--- a/json/jsonwrite.cc
+++ b/json/jsonwrite.cc
@@ -214,7 +214,7 @@ void write_context(std::ostream &f, Context *ctx)
 {
     f << stringf("{\n");
     f << stringf("  \"creator\": %s,\n",
-                 get_string("Next Generation Place and Route (git sha1 " GIT_COMMIT_HASH_STR ")").c_str());
+                 get_string("Next Generation Place and Route (Version " GIT_DESCRIBE_STR ")").c_str());
     f << stringf("  \"modules\": {\n");
     write_module(f, ctx);
     f << stringf("\n  }");