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| author | Dylan Baker <dylan@pnwbakers.com> | 2018-12-19 09:44:50 -0800 |
|---|---|---|
| committer | Nirbheek Chauhan <nirbheek@centricular.com> | 2019-01-14 15:11:18 +0530 |
| commit | 0c8a666f58cf19c93f8586f57ab30af5cb599143 (patch) | |
| tree | 701e9fb75ce2f47075f9ac27a73db66e955d265f | |
| parent | 10bd41d564bf3366bd0eda5789e2b7e637c9b922 (diff) | |
| download | meson-0c8a666f58cf19c93f8586f57ab30af5cb599143.zip meson-0c8a666f58cf19c93f8586f57ab30af5cb599143.tar.gz meson-0c8a666f58cf19c93f8586f57ab30af5cb599143.tar.bz2 | |
msetup: Give a nice error message if cmd_line.txt cannot be read
As would happen if someone tried to manually call meson --wipe on a
directory configured with a version < 0.49.0
| -rw-r--r-- | mesonbuild/msetup.py | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/mesonbuild/msetup.py b/mesonbuild/msetup.py index f9a5e1c..63014f1 100644 --- a/mesonbuild/msetup.py +++ b/mesonbuild/msetup.py @@ -62,8 +62,13 @@ class MesonApp: # restore that file if anything bad happens. For example if # configuration fails we need to be able to wipe again. filename = coredata.get_cmd_line_file(self.build_dir) - with open(filename, 'r') as f: - content = f.read() + try: + with open(filename, 'r') as f: + content = f.read() + except FileNotFoundError: + raise MesonException( + 'Cannot find cmd_line.txt. This is probably because this ' + 'build directory was configured with a meson version < 0.49.0.') coredata.read_cmd_line_file(self.build_dir, options) |