bootstrap: don't use --merges to find commits

Shallow clones can cause `git rev-list --merges` to miss merge
commits. Omit it, because the most recent bors commit is
almost always a merge commit.
This commit is contained in:
Taylor Yu 2021-10-07 17:58:52 -05:00
parent 5641481ad7
commit 6ff72045de

View File

@ -460,7 +460,7 @@ class RustBuild(object):
# LLVM more often than necessary.
#
# This git command finds that commit SHA, looking for bors-authored
# merges that modified src/llvm-project or other relevant version
# commits that modified src/llvm-project or other relevant version
# stamp files.
#
# This works even in a repository that has not yet initialized
@ -470,7 +470,7 @@ class RustBuild(object):
]).decode(sys.getdefaultencoding()).strip()
llvm_sha = subprocess.check_output([
"git", "rev-list", "--author=bors@rust-lang.org", "-n1",
"--merges", "--first-parent", "HEAD",
"--first-parent", "HEAD",
"--",
"{}/src/llvm-project".format(top_level),
"{}/src/bootstrap/download-ci-llvm-stamp".format(top_level),
@ -685,7 +685,7 @@ class RustBuild(object):
# Only commits merged by bors will have CI artifacts.
merge_base = [
"git", "rev-list", "--author=bors@rust-lang.org", "-n1",
"--merges", "--first-parent", "HEAD"
"--first-parent", "HEAD"
]
commit = subprocess.check_output(merge_base, universal_newlines=True).strip()