build: Enable detailed version information when built from shallow clone or tarball
Change-Id: Ia2ec086dff822989ba54117678a41394e990f996
Refs: #1915
diff --git a/wscript b/wscript
index 7a3e7fc..3d806d2 100644
--- a/wscript
+++ b/wscript
@@ -7,6 +7,7 @@
APPNAME = "ndn-cxx"
PACKAGE_BUGREPORT = "http://redmine.named-data.net/projects/ndn-cxx"
PACKAGE_URL = "http://named-data.net/doc/ndn-cxx/"
+GIT_TAG_PREFIX = "ndn-cxx-"
def options(opt):
opt.load(['compiler_cxx', 'gnu_dirs', 'c_osx'])
@@ -248,16 +249,49 @@
Context.g_module.VERSION_BASE = Context.g_module.VERSION
Context.g_module.VERSION_SPLIT = [v for v in VERSION_BASE.split('.')]
+ didGetVersion = False
try:
- cmd = ['git', 'describe', '--match', 'ndn-cxx-*']
+ cmd = ['git', 'describe', '--always', '--match', '%s*' % GIT_TAG_PREFIX]
p = Utils.subprocess.Popen(cmd, stdout=Utils.subprocess.PIPE,
stderr=None, stdin=None)
- out = p.communicate()[0].strip()
- if p.returncode == 0 and out != "":
- Context.g_module.VERSION = out[8:]
- except:
+ out = str(p.communicate()[0].strip())
+ didGetVersion = (p.returncode == 0 and out != "")
+ if didGetVersion:
+ if out.startswith(GIT_TAG_PREFIX):
+ Context.g_module.VERSION = out[len(GIT_TAG_PREFIX):]
+ else:
+ Context.g_module.VERSION = "%s-commit-%s" % (Context.g_module.VERSION_BASE, out)
+ except OSError:
pass
+ versionFile = ctx.path.find_node('VERSION')
+
+ if not didGetVersion and versionFile is not None:
+ try:
+ Context.g_module.VERSION = versionFile.read()
+ return
+ except (OSError, IOError):
+ pass
+
+ # version was obtained from git, update VERSION file if necessary
+ if versionFile is not None:
+ try:
+ version = versionFile.read()
+ if version == Context.g_module.VERSION:
+ return # no need to update
+ except (OSError, IOError):
+ Logs.warn("VERSION file exists, but not readable")
+ else:
+ versionFile = ctx.path.make_node('VERSION')
+
+ if versionFile is None:
+ return
+
+ try:
+ versionFile.write(Context.g_module.VERSION)
+ except (OSError, IOError):
+ Logs.warn("VERSION file is not writeable")
+
def dist(ctx):
version(ctx)