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pull: support pull.ff config 

Since b814da8 (pull: add pull.ff configuration, 2014-01-15), git-pull.sh
would lookup the configuration value of "pull.ff", and set the flag
"--ff" if its value is "true", "--no-ff" if its value is "false" and
"--ff-only" if its value is "only".

Re-implement this behavior.

Signed-off-by: Paul Tan <pyokagan@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Paul Tan 2015-06-18 18:54:03 +08:00 committed by Junio C Hamano
parent 44c175c7a4
commit a9de989754
1 changed files with 29 additions and 0 deletions
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29
builtin/pull.c
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@ -166,6 +166,32 @@ static void argv_push_force(struct argv_array *arr)
argv_array_push(arr, "-f");
}
/**
* If pull.ff is unset, returns NULL. If pull.ff is "true", returns "--ff". If
* pull.ff is "false", returns "--no-ff". If pull.ff is "only", returns
* "--ff-only". Otherwise, if pull.ff is set to an invalid value, die with an
* error.
*/
static const char *config_get_ff(void)
{
const char *value;
if (git_config_get_value("pull.ff", &value))
return NULL;
switch (git_config_maybe_bool("pull.ff", value)) {
case 0:
return "--no-ff";
case 1:
return "--ff";
}
if (!strcmp(value, "only"))
return "--ff-only";
die(_("Invalid value for pull.ff: %s"), value);
}
/**
* Appends merge candidates from FETCH_HEAD that are not marked not-for-merge
* into merge_heads.
@ -397,6 +423,9 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
parse_repo_refspecs(argc, argv, &repo, &refspecs);
if (!opt_ff)
opt_ff = xstrdup_or_null(config_get_ff());
if (run_fetch(repo, refspecs))
return 1;