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Allow the default low-level merge driver to be configured.

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When no 'merge' attribute is given to a path, merge-recursive
uses the built-in xdl-merge as the low-level merge driver.

A new configuration item 'merge.default' can name a low-level
merge driver of user's choice to be used instead.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2007-04-18 01:47:21 -07:00
parent f3ef6b6bbe
commit be89cb239e
1 changed files with 12 additions and 2 deletions
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14
merge-recursive.c
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@ -839,12 +839,18 @@ static struct user_merge_fn {
char *cmdline; char *cmdline;
char b_[1]; char b_[1];
} *ll_user_merge_fns, **ll_user_merge_fns_tail; } *ll_user_merge_fns, **ll_user_merge_fns_tail;
static const char *default_ll_merge;
static int read_merge_config(const char *var, const char *value) static int read_merge_config(const char *var, const char *value)
{ {
struct user_merge_fn *fn; struct user_merge_fn *fn;
int blen, nlen; int blen, nlen;
if (!strcmp(var, "merge.default")) {
default_ll_merge = strdup(value);
return 0;
}
if (strcmp(var, "merge.driver")) if (strcmp(var, "merge.driver"))
return 0; return 0;
if (!value) if (!value)
@ -900,8 +906,12 @@ static ll_merge_fn find_ll_merge_fn(void *merge_attr, const char **cmdline)
return ll_xdl_merge; return ll_xdl_merge;
else if (ATTR_FALSE(merge_attr)) else if (ATTR_FALSE(merge_attr))
return ll_binary_merge; return ll_binary_merge;
else if (ATTR_UNSET(merge_attr)) else if (ATTR_UNSET(merge_attr)) {
return ll_xdl_merge; if (!default_ll_merge)
return ll_xdl_merge;
else
name = default_ll_merge;
}
else else
name = merge_attr; name = merge_attr;