ll_merge(): add ancestor label parameter for diff3-style output

Commands using the ll_merge() function will present conflict hunks
imitating ‘diff3 -m’ output if the merge.conflictstyle configuration
option is set appropriately.  Unlike ‘diff3 -m’, the output does not
include a label for the merge base on the ||||||| line of the output,
and some tools misparse the conflict hunks without that.

Add a new ancestor_label parameter to ll_merge() to give callers the
power to rectify this situation.  If ancestor_label is NULL, the output
format is unchanged.  All callers pass NULL for now.

Requested-by: Stefan Monnier <monnier@iro.umontreal.ca>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Nieder
2010-03-20 19:38:58 -05:00
committed by Junio C Hamano
parent 4bb0936206
commit f01de62e45
6 changed files with 17 additions and 15 deletions

View File

@ -15,7 +15,7 @@ struct ll_merge_driver;
typedef int (*ll_merge_fn)(const struct ll_merge_driver *,
mmbuffer_t *result,
const char *path,
mmfile_t *orig,
mmfile_t *orig, const char *orig_name,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
int flag,
@ -36,7 +36,7 @@ struct ll_merge_driver {
static int ll_binary_merge(const struct ll_merge_driver *drv_unused,
mmbuffer_t *result,
const char *path_unused,
mmfile_t *orig,
mmfile_t *orig, const char *orig_name,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
int flag, int marker_size)
@ -57,7 +57,7 @@ static int ll_binary_merge(const struct ll_merge_driver *drv_unused,
static int ll_xdl_merge(const struct ll_merge_driver *drv_unused,
mmbuffer_t *result,
const char *path,
mmfile_t *orig,
mmfile_t *orig, const char *orig_name,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
int flag, int marker_size)
@ -71,7 +71,8 @@ static int ll_xdl_merge(const struct ll_merge_driver *drv_unused,
path, name1, name2);
return ll_binary_merge(drv_unused, result,
path,
orig, src1, name1,
orig, orig_name,
src1, name1,
src2, name2,
flag, marker_size);
}
@ -83,6 +84,7 @@ static int ll_xdl_merge(const struct ll_merge_driver *drv_unused,
xmp.style = git_xmerge_style;
if (marker_size > 0)
xmp.marker_size = marker_size;
xmp.ancestor = orig_name;
xmp.file1 = name1;
xmp.file2 = name2;
return xdl_merge(orig, src1, src2, &xmp, result);
@ -91,7 +93,7 @@ static int ll_xdl_merge(const struct ll_merge_driver *drv_unused,
static int ll_union_merge(const struct ll_merge_driver *drv_unused,
mmbuffer_t *result,
const char *path_unused,
mmfile_t *orig,
mmfile_t *orig, const char *orig_name,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
int flag, int marker_size)
@ -99,7 +101,7 @@ static int ll_union_merge(const struct ll_merge_driver *drv_unused,
/* Use union favor */
flag = (flag & 1) | (XDL_MERGE_FAVOR_UNION << 1);
return ll_xdl_merge(drv_unused, result, path_unused,
orig, src1, NULL, src2, NULL,
orig, NULL, src1, NULL, src2, NULL,
flag, marker_size);
return 0;
}
@ -130,7 +132,7 @@ static void create_temp(mmfile_t *src, char *path)
static int ll_ext_merge(const struct ll_merge_driver *fn,
mmbuffer_t *result,
const char *path,
mmfile_t *orig,
mmfile_t *orig, const char *orig_name,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
int flag, int marker_size)
@ -321,7 +323,7 @@ static int git_path_check_merge(const char *path, struct git_attr_check check[2]
int ll_merge(mmbuffer_t *result_buf,
const char *path,
mmfile_t *ancestor,
mmfile_t *ancestor, const char *ancestor_label,
mmfile_t *ours, const char *our_label,
mmfile_t *theirs, const char *their_label,
int flag)
@ -343,7 +345,7 @@ int ll_merge(mmbuffer_t *result_buf,
driver = find_ll_merge_driver(ll_driver_name);
if (virtual_ancestor && driver->recursive)
driver = find_ll_merge_driver(driver->recursive);
return driver->fn(driver, result_buf, path, ancestor,
return driver->fn(driver, result_buf, path, ancestor, ancestor_label,
ours, our_label, theirs, their_label,
flag, marker_size);
}