diff options
| -rw-r--r-- | builtin/checkout.c | 43 | ||||
| -rw-r--r-- | cache.h | 3 | ||||
| -rw-r--r-- | resolve-undo.c | 19 | ||||
| -rw-r--r-- | resolve-undo.h | 1 | ||||
| -rwxr-xr-x | t/t2022-checkout-paths.sh | 22 |
5 files changed, 80 insertions, 8 deletions
diff --git a/builtin/checkout.c b/builtin/checkout.c index a9c1b5a..f8033f4 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -271,24 +271,55 @@ static int checkout_paths(const struct checkout_opts *opts, ; ps_matched = xcalloc(1, pos); + /* + * Make sure all pathspecs participated in locating the paths + * to be checked out. + */ for (pos = 0; pos < active_nr; pos++) { struct cache_entry *ce = active_cache[pos]; + ce->ce_flags &= ~CE_MATCHED; if (opts->source_tree && !(ce->ce_flags & CE_UPDATE)) + /* + * "git checkout tree-ish -- path", but this entry + * is in the original index; it will not be checked + * out to the working tree and it does not matter + * if pathspec matched this entry. We will not do + * anything to this entry at all. + */ continue; - match_pathspec(opts->pathspec, ce->name, ce_namelen(ce), 0, ps_matched); + /* + * Either this entry came from the tree-ish we are + * checking the paths out of, or we are checking out + * of the index. + * + * If it comes from the tree-ish, we already know it + * matches the pathspec and could just stamp + * CE_MATCHED to it from update_some(). But we still + * need ps_matched and read_tree_recursive (and + * eventually tree_entry_interesting) cannot fill + * ps_matched yet. Once it can, we can avoid calling + * match_pathspec() for _all_ entries when + * opts->source_tree != NULL. + */ + if (match_pathspec(opts->pathspec, ce->name, ce_namelen(ce), + 0, ps_matched)) + ce->ce_flags |= CE_MATCHED; } - if (report_path_error(ps_matched, opts->pathspec, opts->prefix)) + if (report_path_error(ps_matched, opts->pathspec, opts->prefix)) { + free(ps_matched); return 1; + } + free(ps_matched); /* "checkout -m path" to recreate conflicted state */ if (opts->merge) - unmerge_cache(opts->pathspec); + unmerge_marked_index(&the_index); /* Any unmerged paths? */ for (pos = 0; pos < active_nr; pos++) { struct cache_entry *ce = active_cache[pos]; - if (match_pathspec(opts->pathspec, ce->name, ce_namelen(ce), 0, NULL)) { + if (ce->ce_flags & CE_MATCHED) { if (!ce_stage(ce)) continue; if (opts->force) { @@ -313,9 +344,7 @@ static int checkout_paths(const struct checkout_opts *opts, state.refresh_cache = 1; for (pos = 0; pos < active_nr; pos++) { struct cache_entry *ce = active_cache[pos]; - if (opts->source_tree && !(ce->ce_flags & CE_UPDATE)) - continue; - if (match_pathspec(opts->pathspec, ce->name, ce_namelen(ce), 0, NULL)) { + if (ce->ce_flags & CE_MATCHED) { if (!ce_stage(ce)) { errs |= checkout_entry(ce, &state, NULL); continue; @@ -162,6 +162,9 @@ struct cache_entry { #define CE_UNPACKED (1 << 24) #define CE_NEW_SKIP_WORKTREE (1 << 25) +/* used to temporarily mark paths matched by pathspecs */ +#define CE_MATCHED (1 << 26) + /* * Extended on-disk flags */ diff --git a/resolve-undo.c b/resolve-undo.c index 72b4612..639eb9c 100644 --- a/resolve-undo.c +++ b/resolve-undo.c @@ -118,7 +118,7 @@ int unmerge_index_entry_at(struct index_state *istate, int pos) struct cache_entry *ce; struct string_list_item *item; struct resolve_undo_info *ru; - int i, err = 0; + int i, err = 0, matched; if (!istate->resolve_undo) return pos; @@ -137,6 +137,7 @@ int unmerge_index_entry_at(struct index_state *istate, int pos) ru = item->util; if (!ru) return pos; + matched = ce->ce_flags & CE_MATCHED; remove_index_entry_at(istate, pos); for (i = 0; i < 3; i++) { struct cache_entry *nce; @@ -144,6 +145,8 @@ int unmerge_index_entry_at(struct index_state *istate, int pos) continue; nce = make_cache_entry(ru->mode[i], ru->sha1[i], ce->name, i + 1, 0); + if (matched) + nce->ce_flags |= CE_MATCHED; if (add_index_entry(istate, nce, ADD_CACHE_OK_TO_ADD)) { err = 1; error("cannot unmerge '%s'", ce->name); @@ -156,6 +159,20 @@ int unmerge_index_entry_at(struct index_state *istate, int pos) return unmerge_index_entry_at(istate, pos); } +void unmerge_marked_index(struct index_state *istate) +{ + int i; + + if (!istate->resolve_undo) + return; + + for (i = 0; i < istate->cache_nr; i++) { + struct cache_entry *ce = istate->cache[i]; + if (ce->ce_flags & CE_MATCHED) + i = unmerge_index_entry_at(istate, i); + } +} + void unmerge_index(struct index_state *istate, const char **pathspec) { int i; diff --git a/resolve-undo.h b/resolve-undo.h index 8458769..7a30206 100644 --- a/resolve-undo.h +++ b/resolve-undo.h @@ -12,5 +12,6 @@ extern struct string_list *resolve_undo_read(const char *, unsigned long); extern void resolve_undo_clear_index(struct index_state *); extern int unmerge_index_entry_at(struct index_state *, int); extern void unmerge_index(struct index_state *, const char **); +extern void unmerge_marked_index(struct index_state *); #endif diff --git a/t/t2022-checkout-paths.sh b/t/t2022-checkout-paths.sh index 56090d2..8e3545d 100755 --- a/t/t2022-checkout-paths.sh +++ b/t/t2022-checkout-paths.sh @@ -39,4 +39,26 @@ test_expect_success 'checking out paths out of a tree does not clobber unrelated test_cmp expect.next2 dir/next2 ' +test_expect_success 'do not touch unmerged entries matching $path but not in $tree' ' + git checkout next && + git reset --hard && + + cat dir/common >expect.common && + EMPTY_SHA1=$(git hash-object -w --stdin </dev/null) && + git rm dir/next0 && + cat >expect.next0 <<-EOF && + 100644 $EMPTY_SHA1 1 dir/next0 + 100644 $EMPTY_SHA1 2 dir/next0 + EOF + git update-index --index-info <expect.next0 && + + git checkout master dir && + + test_cmp expect.common dir/common && + test_path_is_file dir/master && + git diff --exit-code master dir/master && + git ls-files -s dir/next0 >actual.next0 && + test_cmp expect.next0 actual.next0 +' + test_done |