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config: add repo_config_set_worktree_gently() 

Some config settings, such as those for sparse-checkout, are likely
intended to only apply to one worktree at a time. To make this write
easier, add a new config API method, repo_config_set_worktree_gently().

This method will attempt to write to the worktree-specific config, but
will instead write to the common config file if worktree config is not
enabled.  The next change will introduce a consumer of this method.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee 2022-02-07 21:33:00 +00:00 committed by Junio C Hamano
parent 615a84ad78
commit fe18733927
2 changed files with 40 additions and 3 deletions
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35
config.c
View File

@ -21,6 +21,7 @@
#include "dir.h"
#include "color.h"
#include "refs.h"
#include "worktree.h"
struct config_source {
struct config_source *prev;
@ -2884,6 +2885,20 @@ int git_config_set_gently(const char *key, const char *value)
return git_config_set_multivar_gently(key, value, NULL, 0);
}
int repo_config_set_worktree_gently(struct repository *r,
const char *key, const char *value)
{
/* Only use worktree-specific config if it is is already enabled. */
if (repository_format_worktree_config) {
char *file = repo_git_path(r, "config.worktree");
int ret = git_config_set_multivar_in_file_gently(
file, key, value, NULL, 0);
free(file);
return ret;
}
return repo_config_set_multivar_gently(r, key, value, NULL, 0);
}
void git_config_set(const char *key, const char *value)
{
git_config_set_multivar(key, value, NULL, 0);
@ -3181,14 +3196,28 @@ void git_config_set_multivar_in_file(const char *config_filename,
int git_config_set_multivar_gently(const char *key, const char *value,
const char *value_pattern, unsigned flags)
{
return git_config_set_multivar_in_file_gently(NULL, key, value, value_pattern,
flags);
return repo_config_set_multivar_gently(the_repository, key, value,
value_pattern, flags);
}
int repo_config_set_multivar_gently(struct repository *r, const char *key,
const char *value,
const char *value_pattern, unsigned flags)
{
char *file = repo_git_path(r, "config");
int res = git_config_set_multivar_in_file_gently(file,
key, value,
value_pattern,
flags);
free(file);
return res;
}
void git_config_set_multivar(const char *key, const char *value,
const char *value_pattern, unsigned flags)
{
git_config_set_multivar_in_file(NULL, key, value, value_pattern,
git_config_set_multivar_in_file(git_path("config"),
key, value, value_pattern,
flags);
}

8
config.h
View File

@ -253,6 +253,13 @@ void git_config_set_in_file(const char *, const char *, const char *);
int git_config_set_gently(const char *, const char *);
/**
* Write a config value that should apply to the current worktree. If
* extensions.worktreeConfig is enabled, then the write will happen in the
* current worktree's config. Otherwise, write to the common config file.
*/
int repo_config_set_worktree_gently(struct repository *, const char *, const char *);
/**
* write config values to `.git/config`, takes a key/value pair as parameter.
*/
@ -281,6 +288,7 @@ int git_config_parse_key(const char *, char **, size_t *);
int git_config_set_multivar_gently(const char *, const char *, const char *, unsigned);
void git_config_set_multivar(const char *, const char *, const char *, unsigned);
int repo_config_set_multivar_gently(struct repository *, const char *, const char *, const char *, unsigned);
int git_config_set_multivar_in_file_gently(const char *, const char *, const char *, const char *, unsigned);
/**