xdl_merge(): allow passing down marker_size in xmparam_t

diff --git a/builtin-update-index.c b/builtin-update-index.c
index daca0f775e4b49f2576a7c444895146d05b7022c..750db163b93be19e1fe5648af49f3302cacecb2f 100644 (file)
--- a/builtin-update-index.c
+++ b/builtin-update-index.c
@@ -9,6 +9,7 @@
 #include "tree-walk.h"
 #include "builtin.h"
 #include "refs.h"
+#include "resolve-undo.h"
 
 /*
  * Default to not allowing changes to the list of files. The
@@ -27,6 +28,7 @@ static int mark_valid_only;
 #define MARK_VALID 1
 #define UNMARK_VALID 2
 
+__attribute__((format (printf, 1, 2)))
 static void report(const char *fmt, ...)
 {
        va_list vp;
@@ -195,7 +197,7 @@ static int process_path(const char *path)
        struct stat st;
 
        len = strlen(path);
-       if (has_symlink_leading_path(len, path))
+       if (has_symlink_leading_path(path, len))
                return error("'%s' is beyond a symbolic link", path);
 
        /*
@@ -292,7 +294,7 @@ static void update_one(const char *path, const char *prefix, int prefix_length)
        report("add '%s'", path);
  free_return:
        if (p < path || p > path + strlen(path))
-               free((char*)p);
+               free((char *)p);
 }
 
 static void read_index_info(int line_termination)
@@ -431,7 +433,18 @@ static int unresolve_one(const char *path)
 
        /* See if there is such entry in the index. */
        pos = cache_name_pos(path, namelen);
-       if (pos < 0) {
+       if (0 <= pos) {
+               /* already merged */
+               pos = unmerge_cache_entry_at(pos);
+               if (pos < active_nr) {
+                       struct cache_entry *ce = active_cache[pos];
+                       if (ce_stage(ce) &&
+                           ce_namelen(ce) == namelen &&
+                           !memcmp(ce->name, path, namelen))
+                               return 0;
+               }
+               /* no resolve-undo information; fall back */
+       } else {
                /* If there isn't, either it is unmerged, or
                 * resolved as "removed" by mistake.  We do not
                 * want to do anything in the former case.
@@ -486,7 +499,7 @@ static int unresolve_one(const char *path)
 static void read_head_pointers(void)
 {
        if (read_ref("HEAD", head_sha1))
-               die("No HEAD -- no initial commit yet?\n");
+               die("No HEAD -- no initial commit yet?");
        if (read_ref("MERGE_HEAD", merge_head_sha1)) {
                fprintf(stderr, "Not in the middle of a merge.\n");
                exit(0);
@@ -509,7 +522,7 @@ static int do_unresolve(int ac, const char **av,
                const char *p = prefix_path(prefix, prefix_length, arg);
                err |= unresolve_one(p);
                if (p < arg || p > arg + strlen(arg))
-                       free((char*)p);
+                       free((char *)p);
        }
        return err;
 }
@@ -702,6 +715,10 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
                                verbose = 1;
                                continue;
                        }
+                       if (!strcmp(path, "--clear-resolve-undo")) {
+                               resolve_undo_clear();
+                               continue;
+                       }
                        if (!strcmp(path, "-h") || !strcmp(path, "--help"))
                                usage(update_index_usage);
                        die("unknown option %s", path);
@@ -712,7 +729,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
                if (set_executable_bit)
                        chmod_path(set_executable_bit, p);
                if (p < path || p > path + strlen(path))
-                       free((char*)p);
+                       free((char *)p);
        }
        if (read_from_stdin) {
                struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT;