diff options
Diffstat (limited to 'll-merge.c')
| -rw-r--r-- | ll-merge.c | 42 |
1 files changed, 23 insertions, 19 deletions
@@ -14,7 +14,7 @@ struct ll_merge_driver; -typedef int (*ll_merge_fn)(const struct ll_merge_driver *, +typedef enum ll_merge_result (*ll_merge_fn)(const struct ll_merge_driver *, mmbuffer_t *result, const char *path, mmfile_t *orig, const char *orig_name, @@ -49,7 +49,7 @@ void reset_merge_attributes(void) /* * Built-in low-levels */ -static int ll_binary_merge(const struct ll_merge_driver *drv_unused, +static enum ll_merge_result ll_binary_merge(const struct ll_merge_driver *drv_unused, mmbuffer_t *result, const char *path, mmfile_t *orig, const char *orig_name, @@ -58,6 +58,7 @@ static int ll_binary_merge(const struct ll_merge_driver *drv_unused, const struct ll_merge_options *opts, int marker_size) { + enum ll_merge_result ret; mmfile_t *stolen; assert(opts); @@ -68,16 +69,19 @@ static int ll_binary_merge(const struct ll_merge_driver *drv_unused, */ if (opts->virtual_ancestor) { stolen = orig; + ret = LL_MERGE_OK; } else { switch (opts->variant) { default: - warning("Cannot merge binary files: %s (%s vs. %s)", - path, name1, name2); - /* fallthru */ + ret = LL_MERGE_BINARY_CONFLICT; + stolen = src1; + break; case XDL_MERGE_FAVOR_OURS: + ret = LL_MERGE_OK; stolen = src1; break; case XDL_MERGE_FAVOR_THEIRS: + ret = LL_MERGE_OK; stolen = src2; break; } @@ -87,16 +91,10 @@ static int ll_binary_merge(const struct ll_merge_driver *drv_unused, result->size = stolen->size; stolen->ptr = NULL; - /* - * With -Xtheirs or -Xours, we have cleanly merged; - * otherwise we got a conflict. - */ - return opts->variant == XDL_MERGE_FAVOR_OURS || - opts->variant == XDL_MERGE_FAVOR_THEIRS ? - 0 : 1; + return ret; } -static int ll_xdl_merge(const struct ll_merge_driver *drv_unused, +static enum ll_merge_result ll_xdl_merge(const struct ll_merge_driver *drv_unused, mmbuffer_t *result, const char *path, mmfile_t *orig, const char *orig_name, @@ -105,7 +103,9 @@ static int ll_xdl_merge(const struct ll_merge_driver *drv_unused, const struct ll_merge_options *opts, int marker_size) { + enum ll_merge_result ret; xmparam_t xmp; + int status; assert(opts); if (orig->size > MAX_XDIFF_SIZE || @@ -133,10 +133,12 @@ static int ll_xdl_merge(const struct ll_merge_driver *drv_unused, xmp.ancestor = orig_name; xmp.file1 = name1; xmp.file2 = name2; - return xdl_merge(orig, src1, src2, &xmp, result); + status = xdl_merge(orig, src1, src2, &xmp, result); + ret = (status > 0) ? LL_MERGE_CONFLICT : status; + return ret; } -static int ll_union_merge(const struct ll_merge_driver *drv_unused, +static enum ll_merge_result ll_union_merge(const struct ll_merge_driver *drv_unused, mmbuffer_t *result, const char *path, mmfile_t *orig, const char *orig_name, @@ -178,7 +180,7 @@ static void create_temp(mmfile_t *src, char *path, size_t len) /* * User defined low-level merge driver support. */ -static int ll_ext_merge(const struct ll_merge_driver *fn, +static enum ll_merge_result ll_ext_merge(const struct ll_merge_driver *fn, mmbuffer_t *result, const char *path, mmfile_t *orig, const char *orig_name, @@ -194,6 +196,7 @@ static int ll_ext_merge(const struct ll_merge_driver *fn, const char *args[] = { NULL, NULL }; int status, fd, i; struct stat st; + enum ll_merge_result ret; assert(opts); sq_quote_buf(&path_sq, path); @@ -204,7 +207,7 @@ static int ll_ext_merge(const struct ll_merge_driver *fn, dict[4].placeholder = "P"; dict[4].value = path_sq.buf; dict[5].placeholder = NULL; dict[5].value = NULL; - if (fn->cmdline == NULL) + if (!fn->cmdline) die("custom merge driver %s lacks command line.", fn->name); result->ptr = NULL; @@ -236,7 +239,8 @@ static int ll_ext_merge(const struct ll_merge_driver *fn, unlink_or_warn(temp[i]); strbuf_release(&cmd); strbuf_release(&path_sq); - return status; + ret = (status > 0) ? LL_MERGE_CONFLICT : status; + return ret; } /* @@ -362,7 +366,7 @@ static void normalize_file(mmfile_t *mm, const char *path, struct index_state *i } } -int ll_merge(mmbuffer_t *result_buf, +enum ll_merge_result ll_merge(mmbuffer_t *result_buf, const char *path, mmfile_t *ancestor, const char *ancestor_label, mmfile_t *ours, const char *our_label, |