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-rw-r--r--compat/fsmonitor/fsm-settings-darwin.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/compat/fsmonitor/fsm-settings-darwin.c b/compat/fsmonitor/fsm-settings-darwin.c
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+++ b/compat/fsmonitor/fsm-settings-darwin.c
@@ -0,0 +1,62 @@
+#include "config.h"
+#include "fsmonitor.h"
+#include "fsmonitor-ipc.h"
+#include "fsmonitor-settings.h"
+#include "fsmonitor-path-utils.h"
+
+ /*
+ * For the builtin FSMonitor, we create the Unix domain socket for the
+ * IPC in the .git directory. If the working directory is remote,
+ * then the socket will be created on the remote file system. This
+ * can fail if the remote file system does not support UDS file types
+ * (e.g. smbfs to a Windows server) or if the remote kernel does not
+ * allow a non-local process to bind() the socket. (These problems
+ * could be fixed by moving the UDS out of the .git directory and to a
+ * well-known local directory on the client machine, but care should
+ * be taken to ensure that $HOME is actually local and not a managed
+ * file share.)
+ *
+ * FAT32 and NTFS working directories are problematic too.
+ *
+ * The builtin FSMonitor uses a Unix domain socket in the .git
+ * directory for IPC. These Windows drive formats do not support
+ * Unix domain sockets, so mark them as incompatible for the daemon.
+ *
+ */
+static enum fsmonitor_reason check_uds_volume(struct repository *r)
+{
+ struct fs_info fs;
+ const char *ipc_path = fsmonitor_ipc__get_path(r);
+ struct strbuf path = STRBUF_INIT;
+ strbuf_add(&path, ipc_path, strlen(ipc_path));
+
+ if (fsmonitor__get_fs_info(dirname(path.buf), &fs) == -1) {
+ strbuf_release(&path);
+ return FSMONITOR_REASON_ERROR;
+ }
+
+ strbuf_release(&path);
+
+ if (fs.is_remote ||
+ !strcmp(fs.typename, "msdos") ||
+ !strcmp(fs.typename, "ntfs")) {
+ free(fs.typename);
+ return FSMONITOR_REASON_NOSOCKETS;
+ }
+
+ free(fs.typename);
+ return FSMONITOR_REASON_OK;
+}
+
+enum fsmonitor_reason fsm_os__incompatible(struct repository *r, int ipc)
+{
+ enum fsmonitor_reason reason;
+
+ if (ipc) {
+ reason = check_uds_volume(r);
+ if (reason != FSMONITOR_REASON_OK)
+ return reason;
+ }
+
+ return FSMONITOR_REASON_OK;
+}