зеркало из https://github.com/microsoft/git.git
Build-in merge-recursive
This makes write_tree_from_memory(), which writes the active cache as a tree and returns the struct tree for it, available to other code. It also makes available merge_trees(), which does the internal merge of two trees with a known base, and merge_recursive(), which does the recursive internal merge of two commits with a list of common ancestors. The first two of these will be used by checkout -m, and the third is presumably useful in general, although the implementation of checkout -m which entirely matches the behavior of the shell version does not use it (since it ignores the difference of ancestry between the old branch and the new branch). Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
This commit is contained in:
Родитель
4e7c4571b8
Коммит
e1b3a2cad7
2
Makefile
2
Makefile
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@ -256,7 +256,6 @@ PROGRAMS = \
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git-upload-pack$X \
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git-pack-redundant$X git-var$X \
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git-merge-tree$X git-imap-send$X \
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git-merge-recursive$X \
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$(EXTRA_PROGRAMS)
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# Empty...
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@ -360,6 +359,7 @@ BUILTIN_OBJS = \
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builtin-merge-base.o \
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builtin-merge-file.o \
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builtin-merge-ours.o \
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builtin-merge-recursive.o \
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builtin-mv.o \
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builtin-name-rev.o \
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builtin-pack-objects.o \
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@ -7,6 +7,7 @@
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#include "cache-tree.h"
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#include "commit.h"
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#include "blob.h"
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#include "builtin.h"
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#include "tree-walk.h"
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#include "diff.h"
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#include "diffcore.h"
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@ -17,6 +18,7 @@
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#include "xdiff-interface.h"
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#include "interpolate.h"
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#include "attr.h"
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#include "merge-recursive.h"
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static int subtree_merge;
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@ -232,7 +234,7 @@ static int unmerged_index(void)
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return 0;
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}
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static struct tree *git_write_tree(void)
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struct tree *write_tree_from_memory(void)
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{
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struct tree *result = NULL;
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@ -1495,12 +1497,12 @@ static int process_entry(const char *path, struct stage_data *entry,
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return clean_merge;
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}
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static int merge_trees(struct tree *head,
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struct tree *merge,
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struct tree *common,
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const char *branch1,
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const char *branch2,
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struct tree **result)
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int merge_trees(struct tree *head,
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struct tree *merge,
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struct tree *common,
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const char *branch1,
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const char *branch2,
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struct tree **result)
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{
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int code, clean;
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@ -1552,7 +1554,7 @@ static int merge_trees(struct tree *head,
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clean = 1;
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if (index_only)
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*result = git_write_tree();
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*result = write_tree_from_memory();
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return clean;
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}
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@ -1572,12 +1574,12 @@ static struct commit_list *reverse_commit_list(struct commit_list *list)
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* Merge the commits h1 and h2, return the resulting virtual
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* commit object and a flag indicating the cleanness of the merge.
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*/
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static int merge(struct commit *h1,
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struct commit *h2,
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const char *branch1,
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const char *branch2,
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struct commit_list *ca,
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struct commit **result)
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int merge_recursive(struct commit *h1,
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struct commit *h2,
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const char *branch1,
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const char *branch2,
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struct commit_list *ca,
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struct commit **result)
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{
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struct commit_list *iter;
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struct commit *merged_common_ancestors;
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@ -1622,11 +1624,11 @@ static int merge(struct commit *h1,
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* "conflicts" were already resolved.
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*/
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discard_cache();
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merge(merged_common_ancestors, iter->item,
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"Temporary merge branch 1",
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"Temporary merge branch 2",
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NULL,
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&merged_common_ancestors);
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merge_recursive(merged_common_ancestors, iter->item,
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"Temporary merge branch 1",
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"Temporary merge branch 2",
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NULL,
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&merged_common_ancestors);
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call_depth--;
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if (!merged_common_ancestors)
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@ -1695,7 +1697,7 @@ static int merge_config(const char *var, const char *value)
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return git_default_config(var, value);
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}
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int main(int argc, char *argv[])
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int cmd_merge_recursive(int argc, const char **argv, const char *prefix)
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{
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static const char *bases[20];
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static unsigned bases_count = 0;
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@ -1749,7 +1751,7 @@ int main(int argc, char *argv[])
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struct commit *ancestor = get_ref(bases[i]);
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ca = commit_list_insert(ancestor, &ca);
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}
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clean = merge(h1, h2, branch1, branch2, ca, &result);
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clean = merge_recursive(h1, h2, branch1, branch2, ca, &result);
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if (active_cache_changed &&
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(write_cache(index_fd, active_cache, active_nr) ||
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@ -57,6 +57,7 @@ extern int cmd_mailsplit(int argc, const char **argv, const char *prefix);
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extern int cmd_merge_base(int argc, const char **argv, const char *prefix);
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extern int cmd_merge_ours(int argc, const char **argv, const char *prefix);
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extern int cmd_merge_file(int argc, const char **argv, const char *prefix);
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extern int cmd_merge_recursive(int argc, const char **argv, const char *prefix);
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extern int cmd_mv(int argc, const char **argv, const char *prefix);
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extern int cmd_name_rev(int argc, const char **argv, const char *prefix);
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extern int cmd_pack_objects(int argc, const char **argv, const char *prefix);
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1
git.c
1
git.c
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@ -330,6 +330,7 @@ static void handle_internal_command(int argc, const char **argv)
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{ "merge-base", cmd_merge_base, RUN_SETUP },
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{ "merge-file", cmd_merge_file },
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{ "merge-ours", cmd_merge_ours, RUN_SETUP },
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{ "merge-recursive", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE },
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{ "mv", cmd_mv, RUN_SETUP | NEED_WORK_TREE },
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{ "name-rev", cmd_name_rev, RUN_SETUP },
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{ "pack-objects", cmd_pack_objects, RUN_SETUP },
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@ -0,0 +1,20 @@
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#ifndef MERGE_RECURSIVE_H
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#define MERGE_RECURSIVE_H
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int merge_recursive(struct commit *h1,
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struct commit *h2,
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const char *branch1,
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const char *branch2,
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struct commit_list *ancestors,
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struct commit **result);
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int merge_trees(struct tree *head,
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struct tree *merge,
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struct tree *common,
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const char *branch1,
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const char *branch2,
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struct tree **result);
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struct tree *write_tree_from_memory(void);
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#endif
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