diff options
| -rw-r--r-- | features.go | 30 | ||||
| -rw-r--r-- | git.go | 9 |
2 files changed, 39 insertions, 0 deletions
diff --git a/features.go b/features.go new file mode 100644 index 0000000..f6474a0 --- /dev/null +++ b/features.go @@ -0,0 +1,30 @@ +package git + +/* +#include <git2.h> +*/ +import "C" + +type Feature int + +const ( + // libgit2 was built with threading support + FeatureThreads Feature = C.GIT_FEATURE_THREADS + + // libgit2 was built with HTTPS support built-in + FeatureHttps Feature = C.GIT_FEATURE_HTTPS + + // libgit2 was build with SSH support built-in + FeatureSsh Feature = C.GIT_FEATURE_SSH + + // libgit2 was built with nanosecond support for files + FeatureNSec Feature = C.GIT_FEATURE_NSEC +) + +// Features returns a bit-flag of Feature values indicating which features the +// loaded libgit2 library has. +func Features() Feature { + features := C.git_libgit2_features() + + return Feature(features) +} @@ -124,6 +124,15 @@ func init() { C.git_libgit2_init() + // Due to the multithreaded nature of Go and its interaction with + // calling C functions, we cannot work with a library that was not built + // with multi-threading support. The most likely outcome is a segfault + // or panic at an incomprehensible time, so let's make it easy by + // panicking right here. + if Features()&FeatureThreads == 0 { + panic("libgit2 was not built with threading support") + } + // This is not something we should be doing, as we may be // stomping all over someone else's setup. The user should do // this themselves or use some binding/wrapper which does it |