diff options
Diffstat (limited to 'read-cache.c')
| -rw-r--r-- | read-cache.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/read-cache.c b/read-cache.c index 5150c1e14b..276b09e66f 100644 --- a/read-cache.c +++ b/read-cache.c @@ -13,6 +13,7 @@ #include "diff.h" #include "diffcore.h" #include "revision.h" +#include "blob.h" /* Index extensions. * @@ -511,6 +512,14 @@ static struct cache_entry *create_alias_ce(struct cache_entry *ce, struct cache_ return new; } +static void record_intent_to_add(struct cache_entry *ce) +{ + unsigned char sha1[20]; + if (write_sha1_file("", 0, blob_type, sha1)) + die("cannot create an empty blob in the object database"); + hashcpy(ce->sha1, sha1); +} + int add_to_index(struct index_state *istate, const char *path, struct stat *st, int flags) { int size, namelen, was_same; @@ -519,6 +528,9 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, unsigned ce_option = CE_MATCH_IGNORE_VALID|CE_MATCH_RACY_IS_DIRTY; int verbose = flags & (ADD_CACHE_VERBOSE | ADD_CACHE_PRETEND); int pretend = flags & ADD_CACHE_PRETEND; + int intent_only = flags & ADD_CACHE_INTENT; + int add_option = (ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE| + (intent_only ? ADD_CACHE_NEW_ONLY : 0)); if (!S_ISREG(st_mode) && !S_ISLNK(st_mode) && !S_ISDIR(st_mode)) return error("%s: can only add regular files, symbolic links or git-directories", path); @@ -532,7 +544,8 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, ce = xcalloc(1, size); memcpy(ce->name, path, namelen); ce->ce_flags = namelen; - fill_stat_cache_info(ce, st); + if (!intent_only) + fill_stat_cache_info(ce, st); if (trust_executable_bit && has_symlinks) ce->ce_mode = create_ce_mode(st_mode); @@ -555,8 +568,12 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, alias->ce_flags |= CE_ADDED; return 0; } - if (index_path(ce->sha1, path, st, 1)) - return error("unable to index file %s", path); + if (!intent_only) { + if (index_path(ce->sha1, path, st, 1)) + return error("unable to index file %s", path); + } else + record_intent_to_add(ce); + if (ignore_case && alias && different_name(ce, alias)) ce = create_alias_ce(ce, alias); ce->ce_flags |= CE_ADDED; @@ -569,7 +586,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, if (pretend) ; - else if (add_index_entry(istate, ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE)) + else if (add_index_entry(istate, ce, add_option)) return error("unable to add %s to index",path); if (verbose && !was_same) printf("add '%s'\n", path); @@ -848,13 +865,15 @@ static int add_index_entry_with_check(struct index_state *istate, struct cache_e int ok_to_add = option & ADD_CACHE_OK_TO_ADD; int ok_to_replace = option & ADD_CACHE_OK_TO_REPLACE; int skip_df_check = option & ADD_CACHE_SKIP_DFCHECK; + int new_only = option & ADD_CACHE_NEW_ONLY; cache_tree_invalidate_path(istate->cache_tree, ce->name); pos = index_name_pos(istate, ce->name, ce->ce_flags); /* existing match? Just replace it. */ if (pos >= 0) { - replace_index_entry(istate, pos, ce); + if (!new_only) + replace_index_entry(istate, pos, ce); return 0; } pos = -pos-1; |