git-am: add am.threeWay config variable

diff --git a/dir.c b/dir.c
index 8d15e475d420ea13b39e07644fa987c75317ea94..1d42811cfb29009d75b95e4d24ebd67f5215e326 100644 (file)
--- a/dir.c
+++ b/dir.c
@@ -12,6 +12,7 @@
 #include "refs.h"
 #include "wildmatch.h"
 #include "pathspec.h"
+#include "utf8.h"
 #include "varint.h"
 #include "ewah/ewok.h"
 
@@ -393,6 +394,47 @@ int match_pathspec(const struct pathspec *ps,
        return negative ? 0 : positive;
 }
 
+int report_path_error(const char *ps_matched,
+                     const struct pathspec *pathspec,
+                     const char *prefix)
+{
+       /*
+        * Make sure all pathspec matched; otherwise it is an error.
+        */
+       int num, errors = 0;
+       for (num = 0; num < pathspec->nr; num++) {
+               int other, found_dup;
+
+               if (ps_matched[num])
+                       continue;
+               /*
+                * The caller might have fed identical pathspec
+                * twice.  Do not barf on such a mistake.
+                * FIXME: parse_pathspec should have eliminated
+                * duplicate pathspec.
+                */
+               for (found_dup = other = 0;
+                    !found_dup && other < pathspec->nr;
+                    other++) {
+                       if (other == num || !ps_matched[other])
+                               continue;
+                       if (!strcmp(pathspec->items[other].original,
+                                   pathspec->items[num].original))
+                               /*
+                                * Ok, we have a match already.
+                                */
+                               found_dup = 1;
+               }
+               if (found_dup)
+                       continue;
+
+               error("pathspec '%s' did not match any file(s) known to git.",
+                     pathspec->items[num].original);
+               errors++;
+       }
+       return errors;
+}
+
 /*
  * Return the length of the "simple" part of a path match limiter.
  */
@@ -698,7 +740,12 @@ static int add_excludes(const char *fname, const char *base, int baselen,
        }
 
        el->filebuf = buf;
+
+       if (skip_utf8_bom(&buf, size))
+               size -= buf - el->filebuf;
+
        entry = buf;
+
        for (i = 0; i < size; i++) {
                if (buf[i] == '\n') {
                        if (entry != buf + i && entry[0] != '#') {
@@ -2141,20 +2188,21 @@ int remove_dir_recursively(struct strbuf *path, int flag)
 void setup_standard_excludes(struct dir_struct *dir)
 {
        const char *path;
-       char *xdg_path;
 
        dir->exclude_per_dir = ".gitignore";
+
+       /* core.excludefile defaulting to $XDG_HOME/git/ignore */
+       if (!excludes_file)
+               excludes_file = xdg_config_home("ignore");
+       if (excludes_file && !access_or_warn(excludes_file, R_OK, 0))
+               add_excludes_from_file_1(dir, excludes_file,
+                                        dir->untracked ? &dir->ss_excludes_file : NULL);
+
+       /* per repository user preference */
        path = git_path("info/exclude");
-       if (!excludes_file) {
-               home_config_paths(NULL, &xdg_path, "ignore");
-               excludes_file = xdg_path;
-       }
        if (!access_or_warn(path, R_OK, 0))
                add_excludes_from_file_1(dir, path,
                                         dir->untracked ? &dir->ss_info_exclude : NULL);
-       if (excludes_file && !access_or_warn(excludes_file, R_OK, 0))
-               add_excludes_from_file_1(dir, excludes_file,
-                                        dir->untracked ? &dir->ss_excludes_file : NULL);
 }
 
 int remove_path(const char *name)