diff options
Diffstat (limited to 'read-cache.c')
| -rw-r--r-- | read-cache.c | 44 |
1 files changed, 38 insertions, 6 deletions
diff --git a/read-cache.c b/read-cache.c index fb440b4d9d..ba13353b37 100644 --- a/read-cache.c +++ b/read-cache.c @@ -990,11 +990,7 @@ int add_index_entry(struct index_state *istate, struct cache_entry *ce, int opti } /* Make sure the array is big enough .. */ - if (istate->cache_nr == istate->cache_alloc) { - istate->cache_alloc = alloc_nr(istate->cache_alloc); - istate->cache = xrealloc(istate->cache, - istate->cache_alloc * sizeof(*istate->cache)); - } + ALLOC_GROW(istate->cache, istate->cache_nr + 1, istate->cache_alloc); /* Add it in.. */ istate->cache_nr++; @@ -1220,6 +1216,42 @@ static struct cache_entry *refresh_cache_entry(struct cache_entry *ce, #define INDEX_FORMAT_DEFAULT 3 +static int index_format_config(const char *var, const char *value, void *cb) +{ + unsigned int *version = cb; + if (!strcmp(var, "index.version")) { + *version = git_config_int(var, value); + return 0; + } + return 1; +} + +static unsigned int get_index_format_default(void) +{ + char *envversion = getenv("GIT_INDEX_VERSION"); + char *endp; + unsigned int version = INDEX_FORMAT_DEFAULT; + + if (!envversion) { + git_config(index_format_config, &version); + if (version < INDEX_FORMAT_LB || INDEX_FORMAT_UB < version) { + warning(_("index.version set, but the value is invalid.\n" + "Using version %i"), INDEX_FORMAT_DEFAULT); + return INDEX_FORMAT_DEFAULT; + } + return version; + } + + version = strtoul(envversion, &endp, 10); + if (*endp || + version < INDEX_FORMAT_LB || INDEX_FORMAT_UB < version) { + warning(_("GIT_INDEX_VERSION set, but the value is invalid.\n" + "Using version %i"), INDEX_FORMAT_DEFAULT); + version = INDEX_FORMAT_DEFAULT; + } + return version; +} + /* * dev/ino/uid/gid/size are also just tracked to the low 32 bits * Again - this is just a (very strong in practice) heuristic that @@ -1776,7 +1808,7 @@ int write_index(struct index_state *istate, int newfd) } if (!istate->version) - istate->version = INDEX_FORMAT_DEFAULT; + istate->version = get_index_format_default(); /* demote version 3 to version 2 when the latter suffices */ if (istate->version == 3 || istate->version == 2) |