diff options
Diffstat (limited to 'unpack-trees.c')
| -rw-r--r-- | unpack-trees.c | 82 |
1 files changed, 81 insertions, 1 deletions
diff --git a/unpack-trees.c b/unpack-trees.c index 44f8fdf808..2d8ecb73b1 100644 --- a/unpack-trees.c +++ b/unpack-trees.c @@ -32,6 +32,12 @@ static struct unpack_trees_error_msgs unpack_plumbing_errors = { /* bind_overlap */ "Entry '%s' overlaps with '%s'. Cannot bind.", + + /* sparse_not_uptodate_file */ + "Entry '%s' not uptodate. Cannot update sparse checkout.", + + /* would_lose_orphaned */ + "Working tree file '%s' would be %s by sparse checkout update.", }; #define ERRORMSG(o,fld) \ @@ -125,6 +131,57 @@ static int check_updates(struct unpack_trees_options *o) return errs != 0; } +static int verify_uptodate_sparse(struct cache_entry *ce, struct unpack_trees_options *o); +static int verify_absent_sparse(struct cache_entry *ce, const char *action, struct unpack_trees_options *o); + +static int will_have_skip_worktree(const struct cache_entry *ce, struct unpack_trees_options *o) +{ + const char *basename; + + if (ce_stage(ce)) + return 0; + + basename = strrchr(ce->name, '/'); + basename = basename ? basename+1 : ce->name; + return excluded_from_list(ce->name, ce_namelen(ce), basename, NULL, o->el) <= 0; +} + +static int apply_sparse_checkout(struct cache_entry *ce, struct unpack_trees_options *o) +{ + int was_skip_worktree = ce_skip_worktree(ce); + + if (will_have_skip_worktree(ce, o)) + ce->ce_flags |= CE_SKIP_WORKTREE; + else + ce->ce_flags &= ~CE_SKIP_WORKTREE; + + /* + * We only care about files getting into the checkout area + * If merge strategies want to remove some, go ahead, this + * flag will be removed eventually in unpack_trees() if it's + * outside checkout area. + */ + if (ce->ce_flags & CE_REMOVE) + return 0; + + if (!was_skip_worktree && ce_skip_worktree(ce)) { + /* + * If CE_UPDATE is set, verify_uptodate() must be called already + * also stat info may have lost after merged_entry() so calling + * verify_uptodate() again may fail + */ + if (!(ce->ce_flags & CE_UPDATE) && verify_uptodate_sparse(ce, o)) + return -1; + ce->ce_flags |= CE_WT_REMOVE; + } + if (was_skip_worktree && !ce_skip_worktree(ce)) { + if (verify_absent_sparse(ce, "overwritten", o)) + return -1; + ce->ce_flags |= CE_UPDATE; + } + return 0; +} + static inline int call_unpack_fn(struct cache_entry **src, struct unpack_trees_options *o) { int ret = o->fn(src, o); @@ -376,7 +433,7 @@ static int unpack_failed(struct unpack_trees_options *o, const char *message) */ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options *o) { - int ret; + int i, ret; static struct cache_entry *dfc; struct exclude_list el; @@ -440,6 +497,17 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options goto done; } + if (!o->skip_sparse_checkout) { + for (i = 0;i < o->result.cache_nr;i++) { + struct cache_entry *ce = o->result.cache[i]; + + if (apply_sparse_checkout(ce, o)) { + ret = -1; + goto done; + } + } + } + o->src_index = NULL; ret = check_updates(o) ? (-2) : 0; if (o->dst_index) @@ -512,6 +580,12 @@ static int verify_uptodate(struct cache_entry *ce, return verify_uptodate_1(ce, o, ERRORMSG(o, not_uptodate_file)); } +static int verify_uptodate_sparse(struct cache_entry *ce, + struct unpack_trees_options *o) +{ + return verify_uptodate_1(ce, o, ERRORMSG(o, sparse_not_uptodate_file)); +} + static void invalidate_ce_path(struct cache_entry *ce, struct unpack_trees_options *o) { if (ce) @@ -705,6 +779,12 @@ static int verify_absent(struct cache_entry *ce, const char *action, return verify_absent_1(ce, action, o, ERRORMSG(o, would_lose_untracked)); } +static int verify_absent_sparse(struct cache_entry *ce, const char *action, + struct unpack_trees_options *o) +{ + return verify_absent_1(ce, action, o, ERRORMSG(o, would_lose_orphaned)); +} + static int merged_entry(struct cache_entry *merge, struct cache_entry *old, struct unpack_trees_options *o) { |