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

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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
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2
builtin/checkout.c
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@ -149,7 +149,7 @@ static int checkout_merged(int pos, struct checkout *state)
read_mmblob(&ours, active_cache[pos+1]->sha1);
read_mmblob(&theirs, active_cache[pos+2]->sha1);
status = ll_merge(&result_buf, path, &ancestor,
status = ll_merge(&result_buf, path, &ancestor, NULL,
&ours, "ours", &theirs, "theirs", 0);
free(ancestor.ptr);
free(ours.ptr);