doc/fast-import: clarify how content states are built

diff --git a/wrapper.c b/wrapper.c
index 6ccd0595f43d0ef62bd60a5863804f9a842a4235..68739aaa3b9e9e1a1bbbd43c75c9b5c244fb6c3e 100644 (file)
--- a/wrapper.c
+++ b/wrapper.c
@@ -402,3 +402,28 @@ int remove_or_warn(unsigned int mode, const char *file)
 {
        return S_ISGITLINK(mode) ? rmdir_or_warn(file) : unlink_or_warn(file);
 }
+
+void warn_on_inaccessible(const char *path)
+{
+       warning(_("unable to access '%s': %s"), path, strerror(errno));
+}
+
+int access_or_warn(const char *path, int mode)
+{
+       int ret = access(path, mode);
+       if (ret && errno != ENOENT)
+               warn_on_inaccessible(path);
+       return ret;
+}
+
+struct passwd *xgetpwuid_self(void)
+{
+       struct passwd *pw;
+
+       errno = 0;
+       pw = getpwuid(getuid());
+       if (!pw)
+               die(_("unable to look up current user in the passwd file: %s"),
+                   errno ? strerror(errno) : _("no such user"));
+       return pw;
+}