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git wrapper: allow setup_git_directory_gently() be called earlier

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In the spirit of v1.4.2-rc3~34^2^2 (Call setup_git_directory() much
earlier, 2006-07-28), let run_builtin() take care of searching for a
repository for built-ins that want to make use of one if present.

So now you can mark your command with RUN_SETUP_GENTLY and use

	nongit = !startup_info->have_repository;

in place of

	prefix = setup_git_directory_gently(&nongit);

and everything will be the same, except the repository is
discovered a little sooner.

As v1.7.2~16^2 (2010-07-14) explains, this should allow more commands
to robustly use features like "git --paginate" that look at local
configuration before the command is actually run.

This patch sets up the infrastructure.  Later patches will teach
particular commands to use it.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy 2010-08-05 21:52:16 -05:00 committed by Junio C Hamano
parent a60645f9c5
commit ee38dfb89e
1 changed files with 9 additions and 4 deletions
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13
git.c
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@ -230,13 +230,14 @@ static int handle_alias(int *argcp, const char ***argv)
const char git_version_string[] = GIT_VERSION;
#define RUN_SETUP (1<<0)
#define USE_PAGER (1<<1)
#define RUN_SETUP (1<<0)
#define RUN_SETUP_GENTLY (1<<1)
#define USE_PAGER (1<<2)
/*
* require working tree to be present -- anything uses this needs
* RUN_SETUP for reading from the configuration file.
*/
#define NEED_WORK_TREE (1<<2)
#define NEED_WORK_TREE (1<<3)
struct cmd_struct {
const char *cmd;
@ -255,8 +256,12 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
if (!help) {
if (p->option & RUN_SETUP)
prefix = setup_git_directory();
if (p->option & RUN_SETUP_GENTLY) {
int nongit_ok;
prefix = setup_git_directory_gently(&nongit_ok);
}
if (use_pager == -1 && p->option & RUN_SETUP)
if (use_pager == -1 && p->option & (RUN_SETUP | RUN_SETUP_GENTLY))
use_pager = check_pager_config(p->cmd);
if (use_pager == -1 && p->option & USE_PAGER)
use_pager = 1;