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fetch: make --prune configurable

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Without "git fetch --prune", remote-tracking branches for a branch
the other side already has removed will stay forever.  Some people
want to always run "git fetch --prune".

To accommodate users who want to either prune always or when fetching
from a particular remote, add two new configuration variables
"fetch.prune" and "remote.<name>.prune":

 - "fetch.prune" allows to enable prune for all fetch operations.

 - "remote.<name>.prune" allows to change the behaviour per remote.

The latter will naturally override the former, and the --[no-]prune
option from the command line will override the configured default.

Since --prune is a potentially destructive operation (Git doesn't
keep reflogs for deleted references yet), we don't want to prune
without users consent, so this configuration will not be on by
default.

Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Michael Schubert <mschub@elegosoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Schubert
2013-07-13 11:36:24 +02:00
committed by Junio C Hamano
parent edca415256
commit 737c5a9cde
5 changed files with 130 additions and 5 deletions
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3
remote.c
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@ -148,6 +148,7 @@ static struct remote *make_remote(const char *name, int len)
}
ret = xcalloc(1, sizeof(struct remote));
ret->prune = -1; /* unspecified */
ALLOC_GROW(remotes, remotes_nr + 1, remotes_alloc);
remotes[remotes_nr++] = ret;
if (len)
@ -419,6 +420,8 @@ static int handle_config(const char *key, const char *value, void *cb)
remote->skip_default_update = git_config_bool(key, value);
else if (!strcmp(subkey, ".skipfetchall"))
remote->skip_default_update = git_config_bool(key, value);
else if (!strcmp(subkey, ".prune"))
remote->prune = git_config_bool(key, value);
else if (!strcmp(subkey, ".url")) {
const char *v;
if (git_config_string(&v, key, value))