Merge branch 'vb/sendemail'
[gitweb.git] / update-index.c
index 3d7e02db2cc37dd22952f0e86e844eac3f5c1cc4..956b6b34f99a447f55fe48ef3ce1eb652524c985 100644 (file)
@@ -6,6 +6,7 @@
 #include "cache.h"
 #include "strbuf.h"
 #include "quote.h"
+#include "cache-tree.h"
 #include "tree-walk.h"
 
 /*
@@ -18,9 +19,6 @@
 static int allow_add;
 static int allow_remove;
 static int allow_replace;
-static int allow_unmerged; /* --refresh needing merge is not error */
-static int not_new; /* --refresh not having working tree files is not error */
-static int quiet; /* --refresh needing update is not error */
 static int info_only;
 static int force_remove;
 static int verbose;
@@ -28,23 +26,6 @@ static int mark_valid_only = 0;
 #define MARK_VALID 1
 #define UNMARK_VALID 2
 
-
-/* Three functions to allow overloaded pointer return; see linux/err.h */
-static inline void *ERR_PTR(long error)
-{
-       return (void *) error;
-}
-
-static inline long PTR_ERR(const void *ptr)
-{
-       return (long) ptr;
-}
-
-static inline long IS_ERR(const void *ptr)
-{
-       return (unsigned long)ptr > (unsigned long)-1000L;
-}
-
 static void report(const char *fmt, ...)
 {
        va_list vp;
@@ -71,6 +52,7 @@ static int mark_valid(const char *path)
                        active_cache[pos]->ce_flags &= ~htons(CE_VALID);
                        break;
                }
+               cache_tree_invalidate_path(active_cache_tree, path);
                active_cache_changed = 1;
                return 0;
        }
@@ -84,6 +66,12 @@ static int add_file_to_cache(const char *path)
        struct stat st;
 
        status = lstat(path, &st);
+
+       /* We probably want to do this in remove_file_from_cache() and
+        * add_cache_entry() instead...
+        */
+       cache_tree_invalidate_path(active_cache_tree, path);
+
        if (status < 0 || S_ISDIR(st.st_mode)) {
                /* When we used to have "path" and now we want to add
                 * "path/file", we need a way to remove "path" before
@@ -140,167 +128,6 @@ static int add_file_to_cache(const char *path)
        return 0;
 }
 
-/*
- * "refresh" does not calculate a new sha1 file or bring the
- * cache up-to-date for mode/content changes. But what it
- * _does_ do is to "re-match" the stat information of a file
- * with the cache, so that you can refresh the cache for a
- * file that hasn't been changed but where the stat entry is
- * out of date.
- *
- * For example, you'd want to do this after doing a "git-read-tree",
- * to link up the stat cache details with the proper files.
- */
-static struct cache_entry *refresh_entry(struct cache_entry *ce, int really)
-{
-       struct stat st;
-       struct cache_entry *updated;
-       int changed, size;
-
-       if (lstat(ce->name, &st) < 0)
-               return ERR_PTR(-errno);
-
-       changed = ce_match_stat(ce, &st, really);
-       if (!changed) {
-               if (really && assume_unchanged &&
-                   !(ce->ce_flags & htons(CE_VALID)))
-                       ; /* mark this one VALID again */
-               else
-                       return NULL;
-       }
-
-       if (ce_modified(ce, &st, really))
-               return ERR_PTR(-EINVAL);
-
-       size = ce_size(ce);
-       updated = xmalloc(size);
-       memcpy(updated, ce, size);
-       fill_stat_cache_info(updated, &st);
-
-       /* In this case, if really is not set, we should leave
-        * CE_VALID bit alone.  Otherwise, paths marked with
-        * --no-assume-unchanged (i.e. things to be edited) will
-        * reacquire CE_VALID bit automatically, which is not
-        * really what we want.
-        */
-       if (!really && assume_unchanged && !(ce->ce_flags & htons(CE_VALID)))
-               updated->ce_flags &= ~htons(CE_VALID);
-
-       return updated;
-}
-
-static int refresh_cache(int really)
-{
-       int i;
-       int has_errors = 0;
-
-       for (i = 0; i < active_nr; i++) {
-               struct cache_entry *ce, *new;
-               ce = active_cache[i];
-               if (ce_stage(ce)) {
-                       while ((i < active_nr) &&
-                              ! strcmp(active_cache[i]->name, ce->name))
-                               i++;
-                       i--;
-                       if (allow_unmerged)
-                               continue;
-                       printf("%s: needs merge\n", ce->name);
-                       has_errors = 1;
-                       continue;
-               }
-
-               new = refresh_entry(ce, really);
-               if (!new)
-                       continue;
-               if (IS_ERR(new)) {
-                       if (not_new && PTR_ERR(new) == -ENOENT)
-                               continue;
-                       if (really && PTR_ERR(new) == -EINVAL) {
-                               /* If we are doing --really-refresh that
-                                * means the index is not valid anymore.
-                                */
-                               ce->ce_flags &= ~htons(CE_VALID);
-                               active_cache_changed = 1;
-                       }
-                       if (quiet)
-                               continue;
-                       printf("%s: needs update\n", ce->name);
-                       has_errors = 1;
-                       continue;
-               }
-               active_cache_changed = 1;
-               /* You can NOT just free active_cache[i] here, since it
-                * might not be necessarily malloc()ed but can also come
-                * from mmap(). */
-               active_cache[i] = new;
-       }
-       return has_errors;
-}
-
-/*
- * We fundamentally don't like some paths: we don't want
- * dot or dot-dot anywhere, and for obvious reasons don't
- * want to recurse into ".git" either.
- *
- * Also, we don't want double slashes or slashes at the
- * end that can make pathnames ambiguous.
- */
-static int verify_dotfile(const char *rest)
-{
-       /*
-        * The first character was '.', but that
-        * has already been discarded, we now test
-        * the rest.
-        */
-       switch (*rest) {
-       /* "." is not allowed */
-       case '\0': case '/':
-               return 0;
-
-       /*
-        * ".git" followed by  NUL or slash is bad. This
-        * shares the path end test with the ".." case.
-        */
-       case 'g':
-               if (rest[1] != 'i')
-                       break;
-               if (rest[2] != 't')
-                       break;
-               rest += 2;
-       /* fallthrough */
-       case '.':
-               if (rest[1] == '\0' || rest[1] == '/')
-                       return 0;
-       }
-       return 1;
-}
-
-static int verify_path(const char *path)
-{
-       char c;
-
-       goto inside;
-       for (;;) {
-               if (!c)
-                       return 1;
-               if (c == '/') {
-inside:
-                       c = *path++;
-                       switch (c) {
-                       default:
-                               continue;
-                       case '/': case '\0':
-                               break;
-                       case '.':
-                               if (verify_dotfile(path))
-                                       continue;
-                       }
-                       return 0;
-               }
-               c = *path++;
-       }
-}
-
 static int add_cacheinfo(unsigned int mode, const unsigned char *sha1,
                         const char *path, int stage)
 {
@@ -326,6 +153,7 @@ static int add_cacheinfo(unsigned int mode, const unsigned char *sha1,
                return error("%s: cannot add to the index - missing --add option?",
                             path);
        report("add '%s'", path);
+       cache_tree_invalidate_path(active_cache_tree, path);
        return 0;
 }
 
@@ -350,6 +178,7 @@ static void chmod_path(int flip, const char *path)
        default:
                goto fail;
        }
+       cache_tree_invalidate_path(active_cache_tree, path);
        active_cache_changed = 1;
        report("chmod %cx '%s'", flip, path);
        return;
@@ -371,6 +200,7 @@ static void update_one(const char *path, const char *prefix, int prefix_length)
                        die("Unable to mark file %s", path);
                goto free_return;
        }
+       cache_tree_invalidate_path(active_cache_tree, path);
 
        if (force_remove) {
                if (remove_file_from_cache(p))
@@ -449,6 +279,7 @@ static void read_index_info(int line_termination)
                                free(path_name);
                        continue;
                }
+               cache_tree_invalidate_path(active_cache_tree, path_name);
 
                if (!mode) {
                        /* mode == 0 means there is no such path -- remove */
@@ -555,6 +386,7 @@ static int unresolve_one(const char *path)
                goto free_return;
        }
 
+       cache_tree_invalidate_path(active_cache_tree, path);
        remove_file_from_cache(path);
        if (add_cache_entry(ce_2, ADD_CACHE_OK_TO_ADD)) {
                error("%s: cannot add our version to the index.", path);
@@ -653,6 +485,7 @@ int main(int argc, const char **argv)
        const char *prefix = setup_git_directory();
        int prefix_length = prefix ? strlen(prefix) : 0;
        char set_executable_bit = 0;
+       unsigned int refresh_flags = 0;
 
        git_config(git_default_config);
 
@@ -673,7 +506,7 @@ int main(int argc, const char **argv)
                                continue;
                        }
                        if (!strcmp(path, "-q")) {
-                               quiet = 1;
+                               refresh_flags |= REFRESH_QUIET;
                                continue;
                        }
                        if (!strcmp(path, "--add")) {
@@ -689,15 +522,15 @@ int main(int argc, const char **argv)
                                continue;
                        }
                        if (!strcmp(path, "--unmerged")) {
-                               allow_unmerged = 1;
+                               refresh_flags |= REFRESH_UNMERGED;
                                continue;
                        }
                        if (!strcmp(path, "--refresh")) {
-                               has_errors |= refresh_cache(0);
+                               has_errors |= refresh_cache(refresh_flags);
                                continue;
                        }
                        if (!strcmp(path, "--really-refresh")) {
-                               has_errors |= refresh_cache(1);
+                               has_errors |= refresh_cache(REFRESH_REALLY | refresh_flags);
                                continue;
                        }
                        if (!strcmp(path, "--cacheinfo")) {
@@ -770,7 +603,7 @@ int main(int argc, const char **argv)
                                goto finish;
                        }
                        if (!strcmp(path, "--ignore-missing")) {
-                               not_new = 1;
+                               refresh_flags |= REFRESH_IGNORE_MISSING;
                                continue;
                        }
                        if (!strcmp(path, "--verbose")) {