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authorFabian Meumertzheim <fabian@meumertzhe.im>2023-09-26 03:25:37 +0200
committerGitHub <noreply@github.com>2023-09-25 18:25:37 -0700
commit652c8f0b2817daaa2570b7a3b2147643210f7dc7 (patch)
tree5d674ce8b4f533baebf149be4e8344bb2e511f48
parent6bf7bae2f4882afcc82f48aebcd39ad467547b3c (diff)
downloadbazel-skylib-652c8f0b2817daaa2570b7a3b2147643210f7dc7.tar.gz
versions: Don't fail on Bazel dev builds (#463)
Dev builds of Bazel are assumed to be more recent than any released version.
-rwxr-xr-xdocs/versions_doc.md3
-rw-r--r--lib/versions.bzl5
-rw-r--r--tests/versions_tests.bzl5
3 files changed, 13 insertions, 0 deletions
diff --git a/docs/versions_doc.md b/docs/versions_doc.md
index 337e93c..8986737 100755
--- a/docs/versions_doc.md
+++ b/docs/versions_doc.md
@@ -26,6 +26,9 @@ Parses a version string into a 3-tuple of ints
int tuples can be compared directly using binary operators (&lt;, &gt;).
+For a development build of Bazel, this returns an unspecified version tuple
+that compares higher than any released version.
+
**PARAMETERS**
diff --git a/lib/versions.bzl b/lib/versions.bzl
index 0209a6f..87ca73c 100644
--- a/lib/versions.bzl
+++ b/lib/versions.bzl
@@ -44,6 +44,9 @@ def _parse_bazel_version(bazel_version):
int tuples can be compared directly using binary operators (<, >).
+ For a development build of Bazel, this returns an unspecified version tuple
+ that compares higher than any released version.
+
Args:
bazel_version: the Bazel version string
@@ -52,6 +55,8 @@ def _parse_bazel_version(bazel_version):
"""
version = _extract_version_number(bazel_version)
+ if not version:
+ return (999999, 999999, 999999)
return tuple([int(n) for n in version.split(".")])
def _is_at_most(threshold, version):
diff --git a/tests/versions_tests.bzl b/tests/versions_tests.bzl
index 422cb41..a2e2308 100644
--- a/tests/versions_tests.bzl
+++ b/tests/versions_tests.bzl
@@ -26,6 +26,9 @@ def _parse_test(ctx):
asserts.equals(env, (0, 4, 0), versions.parse("0.4.0"))
asserts.equals(env, (0, 4, 0), versions.parse("0.4.0rc"))
+ # Verify that this doesn't fail - it corresponds to a dev build of Bazel.
+ versions.parse("")
+
return unittest.end(env)
def _version_comparison_test(ctx):
@@ -36,11 +39,13 @@ def _version_comparison_test(ctx):
asserts.true(env, versions.is_at_least("0.9.0", "0.10.0rc2"))
asserts.true(env, versions.is_at_least("0.9.0", "0.9.0rc3"))
asserts.true(env, versions.is_at_least("0.9.0", "1.2.3"))
+ asserts.true(env, versions.is_at_least("0.9.0", ""))
asserts.false(env, versions.is_at_most("0.4.0 123abcd", "0.10.0rc1 abcd123"))
asserts.true(env, versions.is_at_most("0.4.0", "0.3.0rc2"))
asserts.true(env, versions.is_at_most("0.4.0", "0.4.0rc3"))
asserts.true(env, versions.is_at_most("1.4.0", "0.4.0rc3"))
+ asserts.false(env, versions.is_at_most("1.4.0", ""))
return unittest.end(env)