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[thirdparty/git.git] / read-cache.c

diff --git a/read-cache.c b/read-cache.c
index 056b322fb0c83aeda378f548e13f84d4a65c1e29..7db55883d65fd28c2eaa291b5688273532988d88 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -194,11 +194,12 @@ static int ce_match_stat_basic(struct cache_entry *ce, struct stat *st)
 }
 
 int ie_match_stat(struct index_state *istate,
-                 struct cache_entry *ce, struct stat *st, int options)
+                 struct cache_entry *ce, struct stat *st,
+                 unsigned int options)
 {
        unsigned int changed;
-       int ignore_valid = options & 01;
-       int assume_racy_is_modified = options & 02;
+       int ignore_valid = options & CE_MATCH_IGNORE_VALID;
+       int assume_racy_is_modified = options & CE_MATCH_RACY_IS_DIRTY;
 
        /*
         * If it's marked as always valid in the index, it's
@@ -238,10 +239,11 @@ int ie_match_stat(struct index_state *istate,
 }
 
 int ie_modified(struct index_state *istate,
-               struct cache_entry *ce, struct stat *st, int really)
+               struct cache_entry *ce, struct stat *st, unsigned int options)
 {
        int changed, changed_fs;
-       changed = ie_match_stat(istate, ce, st, really);
+
+       changed = ie_match_stat(istate, ce, st, options);
        if (!changed)
                return 0;
        /*
@@ -387,6 +389,7 @@ int add_file_to_index(struct index_state *istate, const char *path, int verbose)
        int size, namelen, pos;
        struct stat st;
        struct cache_entry *ce;
+       unsigned ce_option = CE_MATCH_IGNORE_VALID|CE_MATCH_RACY_IS_DIRTY;
 
        if (lstat(path, &st))
                die("%s: unable to stat (%s)", path, strerror(errno));
@@ -421,7 +424,7 @@ int add_file_to_index(struct index_state *istate, const char *path, int verbose)
        pos = index_name_pos(istate, ce->name, namelen);
        if (0 <= pos &&
            !ce_stage(istate->cache[pos]) &&
-           !ie_modified(istate, istate->cache[pos], &st, 1)) {
+           !ie_match_stat(istate, istate->cache[pos], &st, ce_option)) {
                /* Nothing changed, really */
                free(ce);
                return 0;
@@ -783,11 +786,13 @@ int add_index_entry(struct index_state *istate, struct cache_entry *ce, int opti
  * to link up the stat cache details with the proper files.
  */
 static struct cache_entry *refresh_cache_ent(struct index_state *istate,
-                                            struct cache_entry *ce, int really, int *err)
+                                            struct cache_entry *ce,
+                                            unsigned int options, int *err)
 {
        struct stat st;
        struct cache_entry *updated;
        int changed, size;
+       int ignore_valid = options & CE_MATCH_IGNORE_VALID;
 
        if (lstat(ce->name, &st) < 0) {
                if (err)
@@ -795,16 +800,23 @@ static struct cache_entry *refresh_cache_ent(struct index_state *istate,
                return NULL;
        }
 
-       changed = ie_match_stat(istate, ce, &st, really);
+       changed = ie_match_stat(istate, ce, &st, options);
        if (!changed) {
-               if (really && assume_unchanged &&
+               /*
+                * The path is unchanged.  If we were told to ignore
+                * valid bit, then we did the actual stat check and
+                * found that the entry is unmodified.  If the entry
+                * is not marked VALID, this is the place to mark it
+                * valid again, under "assume unchanged" mode.
+                */
+               if (ignore_valid && assume_unchanged &&
                    !(ce->ce_flags & htons(CE_VALID)))
                        ; /* mark this one VALID again */
                else
                        return ce;
        }
 
-       if (ie_modified(istate, ce, &st, really)) {
+       if (ie_modified(istate, ce, &st, options)) {
                if (err)
                        *err = EINVAL;
                return NULL;
@@ -815,13 +827,14 @@ static struct cache_entry *refresh_cache_ent(struct index_state *istate,
        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 ignore_valid 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)))
+       if (!ignore_valid && assume_unchanged &&
+           !(ce->ce_flags & htons(CE_VALID)))
                updated->ce_flags &= ~htons(CE_VALID);
 
        return updated;
@@ -835,6 +848,7 @@ int refresh_index(struct index_state *istate, unsigned int flags, const char **p
        int allow_unmerged = (flags & REFRESH_UNMERGED) != 0;
        int quiet = (flags & REFRESH_QUIET) != 0;
        int not_new = (flags & REFRESH_IGNORE_MISSING) != 0;
+       unsigned int options = really ? CE_MATCH_IGNORE_VALID : 0;
 
        for (i = 0; i < istate->cache_nr; i++) {
                struct cache_entry *ce, *new;
@@ -856,7 +870,7 @@ int refresh_index(struct index_state *istate, unsigned int flags, const char **p
                if (pathspec && !match_pathspec(pathspec, ce->name, strlen(ce->name), 0, seen))
                        continue;
 
-               new = refresh_cache_ent(istate, ce, really, &cache_errno);
+               new = refresh_cache_ent(istate, ce, options, &cache_errno);
                if (new == ce)
                        continue;
                if (!new) {