#define USE_THE_REPOSITORY_VARIABLE

#include "git-compat-util.h"

#include "config.h"

#include "gettext.h"

#include "hex.h"

#include "path.h"

#include "repository.h"

#include "strbuf.h"

#include "fsmonitor-ll.h"

#include "fsmonitor-ipc.h"

#include "fsmonitor-path-utils.h"

static GIT_PATH_FUNC(fsmonitor_ipc__get_default_path, "fsmonitor--daemon.ipc")

const char *fsmonitor_ipc__get_path(struct repository *r)

{

  static const char *ipc_path = NULL;

  git_SHA_CTX sha1ctx;

  char *sock_dir = NULL;

  struct strbuf ipc_file = STRBUF_INIT;

  unsigned char hash[GIT_SHA1_RAWSZ];

  if (!r)

    BUG("No repository passed into fsmonitor_ipc__get_path");

  if (ipc_path)

    return ipc_path;

  /* By default the socket file is created in the .git directory */

  if (fsmonitor__is_fs_remote(r->gitdir) < 1) {

    ipc_path = fsmonitor_ipc__get_default_path();

    return ipc_path;

  }

  git_SHA1_Init(&sha1ctx);

  git_SHA1_Update(&sha1ctx, r->worktree, strlen(r->worktree));

  git_SHA1_Final(hash, &sha1ctx);

  repo_config_get_string(r, "fsmonitor.socketdir", &sock_dir);

  /* Create the socket file in either socketDir or $HOME */

  if (sock_dir && *sock_dir) {

    strbuf_addf(&ipc_file, "%s/.git-fsmonitor-%s",

          sock_dir, hash_to_hex_algop(hash, &hash_algos[GIT_HASH_SHA1]));

  } else {

    strbuf_addf(&ipc_file, "~/.git-fsmonitor-%s",

          hash_to_hex_algop(hash, &hash_algos[GIT_HASH_SHA1]));

  }

  free(sock_dir);

  ipc_path = interpolate_path(ipc_file.buf, 1);

  if (!ipc_path)

    die(_("Invalid path: %s"), ipc_file.buf);

  strbuf_release(&ipc_file);

  return ipc_path;

}