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