Merge branch '2.16' of https://github.com/ChrisADR/git-po

[thirdparty/git.git] / fsmonitor.c

diff --git a/fsmonitor.c b/fsmonitor.c
index 4ea44dcc6a683b6ffd29ecc707da4a37eb7d6350..0af7c4edba37fd9f6a8cee83cd2715c3fa08b488 100644 (file)
--- a/fsmonitor.c
+++ b/fsmonitor.c
@@ -26,7 +26,6 @@ int read_fsmonitor_extension(struct index_state *istate, const void *data,
        uint32_t hdr_version;
        uint32_t ewah_size;
        struct ewah_bitmap *fsmonitor_dirty;
-       int i;
        int ret;
 
        if (sz < sizeof(uint32_t) + sizeof(uint64_t) + sizeof(uint32_t))
@@ -49,31 +48,25 @@ int read_fsmonitor_extension(struct index_state *istate, const void *data,
                ewah_free(fsmonitor_dirty);
                return error("failed to parse ewah bitmap reading fsmonitor index extension");
        }
-
-       if (git_config_get_fsmonitor()) {
-               /* Mark all entries valid */
-               for (i = 0; i < istate->cache_nr; i++)
-                       istate->cache[i]->ce_flags |= CE_FSMONITOR_VALID;
-
-               /* Mark all previously saved entries as dirty */
-               ewah_each_bit(fsmonitor_dirty, fsmonitor_ewah_callback, istate);
-
-               /* Now mark the untracked cache for fsmonitor usage */
-               if (istate->untracked)
-                       istate->untracked->use_fsmonitor = 1;
-       }
-       ewah_free(fsmonitor_dirty);
+       istate->fsmonitor_dirty = fsmonitor_dirty;
 
        trace_printf_key(&trace_fsmonitor, "read fsmonitor extension successful");
        return 0;
 }
 
+void fill_fsmonitor_bitmap(struct index_state *istate)
+{
+       int i;
+       istate->fsmonitor_dirty = ewah_new();
+       for (i = 0; i < istate->cache_nr; i++)
+               if (!(istate->cache[i]->ce_flags & CE_FSMONITOR_VALID))
+                       ewah_set(istate->fsmonitor_dirty, i);
+}
+
 void write_fsmonitor_extension(struct strbuf *sb, struct index_state *istate)
 {
        uint32_t hdr_version;
        uint64_t tm;
-       struct ewah_bitmap *bitmap;
-       int i;
        uint32_t ewah_start;
        uint32_t ewah_size = 0;
        int fixup = 0;
@@ -87,12 +80,9 @@ void write_fsmonitor_extension(struct strbuf *sb, struct index_state *istate)
        strbuf_add(sb, &ewah_size, sizeof(uint32_t)); /* we'll fix this up later */
 
        ewah_start = sb->len;
-       bitmap = ewah_new();
-       for (i = 0; i < istate->cache_nr; i++)
-               if (!(istate->cache[i]->ce_flags & CE_FSMONITOR_VALID))
-                       ewah_set(bitmap, i);
-       ewah_serialize_strbuf(bitmap, sb);
-       ewah_free(bitmap);
+       ewah_serialize_strbuf(istate->fsmonitor_dirty, sb);
+       ewah_free(istate->fsmonitor_dirty);
+       istate->fsmonitor_dirty = NULL;
 
        /* fix up size field */
        put_be32(&ewah_size, sb->len - ewah_start);
@@ -239,7 +229,29 @@ void remove_fsmonitor(struct index_state *istate)
 
 void tweak_fsmonitor(struct index_state *istate)
 {
-       switch (git_config_get_fsmonitor()) {
+       int i;
+       int fsmonitor_enabled = git_config_get_fsmonitor();
+
+       if (istate->fsmonitor_dirty) {
+               if (fsmonitor_enabled) {
+                       /* Mark all entries valid */
+                       for (i = 0; i < istate->cache_nr; i++) {
+                               istate->cache[i]->ce_flags |= CE_FSMONITOR_VALID;
+                       }
+
+                       /* Mark all previously saved entries as dirty */
+                       ewah_each_bit(istate->fsmonitor_dirty, fsmonitor_ewah_callback, istate);
+
+                       /* Now mark the untracked cache for fsmonitor usage */
+                       if (istate->untracked)
+                               istate->untracked->use_fsmonitor = 1;
+               }
+
+               ewah_free(istate->fsmonitor_dirty);
+               istate->fsmonitor_dirty = NULL;
+       }
+
+       switch (fsmonitor_enabled) {
        case -1: /* keep: do nothing */
                break;
        case 0: /* false */