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Diffstat (limited to 'third_party/git/ll-merge.h')
-rw-r--r-- | third_party/git/ll-merge.h | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/third_party/git/ll-merge.h b/third_party/git/ll-merge.h deleted file mode 100644 index aceb1b241323..000000000000 --- a/third_party/git/ll-merge.h +++ /dev/null @@ -1,102 +0,0 @@ -/* - * Low level 3-way in-core file merge. - */ - -#ifndef LL_MERGE_H -#define LL_MERGE_H - -#include "xdiff/xdiff.h" - -/** - * - * Calling sequence: - * ---------------- - * - * - Prepare a `struct ll_merge_options` to record options. - * If you have no special requests, skip this and pass `NULL` - * as the `opts` parameter to use the default options. - * - * - Allocate an mmbuffer_t variable for the result. - * - * - Allocate and fill variables with the file's original content - * and two modified versions (using `read_mmfile`, for example). - * - * - Call `ll_merge()`. - * - * - Read the merged content from `result_buf.ptr` and `result_buf.size`. - * - * - Release buffers when finished. A simple - * `free(ancestor.ptr); free(ours.ptr); free(theirs.ptr); - * free(result_buf.ptr);` will do. - * - * If the modifications do not merge cleanly, `ll_merge` will return a - * nonzero value and `result_buf` will generally include a description of - * the conflict bracketed by markers such as the traditional `<<<<<<<` - * and `>>>>>>>`. - * - * The `ancestor_label`, `our_label`, and `their_label` parameters are - * used to label the different sides of a conflict if the merge driver - * supports this. - */ - - -struct index_state; - -/** - * This describes the set of options the calling program wants to affect - * the operation of a low-level (single file) merge. - */ -struct ll_merge_options { - - /** - * Behave as though this were part of a merge between common ancestors in - * a recursive merge (merges of binary files may need to be handled - * differently in such cases, for example). If a helper program is - * specified by the `[merge "<driver>"] recursive` configuration, it will - * be used. - */ - unsigned virtual_ancestor : 1; - - /** - * Resolve local conflicts automatically in favor of one side or the other - * (as in 'git merge-file' `--ours`/`--theirs`/`--union`). Can be `0`, - * `XDL_MERGE_FAVOR_OURS`, `XDL_MERGE_FAVOR_THEIRS`, - * or `XDL_MERGE_FAVOR_UNION`. - */ - unsigned variant : 2; - - /** - * Resmudge and clean the "base", "theirs" and "ours" files before merging. - * Use this when the merge is likely to have overlapped with a change in - * smudge/clean or end-of-line normalization rules. - */ - unsigned renormalize : 1; - - /** - * Increase the length of conflict markers so that nested conflicts - * can be differentiated. - */ - unsigned extra_marker_size; - - /* Extra xpparam_t flags as defined in xdiff/xdiff.h. */ - long xdl_opts; -}; - -/** - * Perform a three-way single-file merge in core. This is a thin wrapper - * around `xdl_merge` that takes the path and any merge backend specified in - * `.gitattributes` or `.git/info/attributes` into account. - * Returns 0 for a clean merge. - */ -int ll_merge(mmbuffer_t *result_buf, - const char *path, - mmfile_t *ancestor, const char *ancestor_label, - mmfile_t *ours, const char *our_label, - mmfile_t *theirs, const char *their_label, - struct index_state *istate, - const struct ll_merge_options *opts); - -int ll_merge_marker_size(struct index_state *istate, const char *path); -void reset_merge_attributes(void); - -#endif |