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Use #env to bake a git revision string into rustc's --version output.

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This commit is contained in:
Graydon Hoare 2011-05-06 11:21:51 -07:00
parent 8df37716ce
commit 1e03f00404
2 changed files with 14 additions and 4 deletions
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9
src/comp/driver/rustc.rs
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@ -127,11 +127,12 @@ fn pretty_print_input(session.session sess,
}
fn version(str argv0) {
auto git_rev = ""; // when snapshotted to extenv: #env("GIT_REV");
if (_str.byte_len(git_rev) != 0u) {
git_rev = #fmt(" (git: %s)", git_rev);
auto vers = "unknown version";
auto env_vers = #env("CFG_VERSION");
if (_str.byte_len(env_vers) != 0u) {
vers = env_vers;
}
io.stdout().write_str(#fmt("%s prerelease%s\n", argv0, git_rev));
io.stdout().write_str(#fmt("%s %s\n", argv0, vers));
}
fn usage(str argv0) {