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git: ensure correct git directory setup with -h 

Ensure correct git directory setup when -h is passed with commands. This
specifically applies to repos with special help text configuration
variables and to commands run with -h outside a repository. This
will also protect against test failures in the upcoming change to BUG in
prepare_repo_settings if no git directory exists.

Note: this diff is better seen when ignoring whitespace changes.

Co-authored-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Lessley Dennington <lessleydennington@gmail.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Lessley Dennington 2021-12-06 15:55:55 +00:00 committed by Junio C Hamano
parent ea6ae410be
commit e5b17bda8b
1 changed files with 20 additions and 17 deletions
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37
git.c
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@ -421,27 +421,30 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
int status, help;
struct stat st;
const char *prefix;
int run_setup = (p->option & (RUN_SETUP | RUN_SETUP_GENTLY));
prefix = NULL;
help = argc == 2 && !strcmp(argv[1], "-h");
if (!help) {
if (p->option & RUN_SETUP)
prefix = setup_git_directory();
else if (p->option & RUN_SETUP_GENTLY) {
int nongit_ok;
prefix = setup_git_directory_gently(&nongit_ok);
}
precompose_argv_prefix(argc, argv, NULL);
if (use_pager == -1 && p->option & (RUN_SETUP | RUN_SETUP_GENTLY) &&
!(p->option & DELAY_PAGER_CONFIG))
use_pager = check_pager_config(p->cmd);
if (use_pager == -1 && p->option & USE_PAGER)
use_pager = 1;
if (help && (run_setup & RUN_SETUP))
/* demote to GENTLY to allow 'git cmd -h' outside repo */
run_setup = RUN_SETUP_GENTLY;
if ((p->option & (RUN_SETUP | RUN_SETUP_GENTLY)) &&
startup_info->have_repository) /* get_git_dir() may set up repo, avoid that */
trace_repo_setup(prefix);
if (run_setup & RUN_SETUP) {
prefix = setup_git_directory();
} else if (run_setup & RUN_SETUP_GENTLY) {
int nongit_ok;
prefix = setup_git_directory_gently(&nongit_ok);
} else {
prefix = NULL;
}
precompose_argv_prefix(argc, argv, NULL);
if (use_pager == -1 && run_setup &&
!(p->option & DELAY_PAGER_CONFIG))
use_pager = check_pager_config(p->cmd);
if (use_pager == -1 && p->option & USE_PAGER)
use_pager = 1;
if (run_setup && startup_info->have_repository)
/* get_git_dir() may set up repo, avoid that */
trace_repo_setup(prefix);
commit_pager_choice();
if (!help && get_super_prefix()) {