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xdiff-interface: refactor parsing of merge.conflictstyle

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Factor out the code that parses of conflict style name so it can be
reused in a later commit that wants to parse the name given on the
command line.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Phillip Wood
2024-03-14 17:05:03 +00:00
committed by Junio C Hamano
parent 3c2a3fdc38
commit 7457014be5
2 changed files with 19 additions and 11 deletions
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29
xdiff-interface.c
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@@ -305,6 +305,22 @@ int xdiff_compare_lines(const char *l1, long s1,
return xdl_recmatch(l1, s1, l2, s2, flags);
}
int parse_conflict_style_name(const char *value)
{
if (!strcmp(value, "diff3"))
return XDL_MERGE_DIFF3;
else if (!strcmp(value, "zdiff3"))
return XDL_MERGE_ZEALOUS_DIFF3;
else if (!strcmp(value, "merge"))
return 0;
/*
* Please update _git_checkout() in git-completion.bash when
* you add new merge config
*/
else
return -1;
}
int git_xmerge_style = -1;
int git_xmerge_config(const char *var, const char *value,
@@ -313,17 +329,8 @@ int git_xmerge_config(const char *var, const char *value,
if (!strcmp(var, "merge.conflictstyle")) {
if (!value)
return config_error_nonbool(var);
if (!strcmp(value, "diff3"))
git_xmerge_style = XDL_MERGE_DIFF3;
else if (!strcmp(value, "zdiff3"))
git_xmerge_style = XDL_MERGE_ZEALOUS_DIFF3;
else if (!strcmp(value, "merge"))
git_xmerge_style = 0;
/*
* Please update _git_checkout() in
* git-completion.bash when you add new merge config
*/
else
git_xmerge_style = parse_conflict_style_name(value);
if (git_xmerge_style == -1)
return error(_("unknown style '%s' given for '%s'"),
value, var);
return 0;