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Merge branch 'ds/sparse-checkout-requires-per-worktree-config'

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"git sparse-checkout" wants to work with per-worktree configuration,
but did not work well in a worktree attached to a bare repository.

* ds/sparse-checkout-requires-per-worktree-config:
  config: make git_configset_get_string_tmp() private
  worktree: copy sparse-checkout patterns and config on add
  sparse-checkout: set worktree-config correctly
  config: add repo_config_set_worktree_gently()
  worktree: create init_worktree_config()
  Documentation: add extensions.worktreeConfig details
This commit is contained in:
Junio C Hamano
2022-02-25 15:47:33 -08:00
parent 268e6b8d4d 3ce1138272
commit 6249ce2d1b
13 changed files with 353 additions and 49 deletions
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73
worktree.c
View File

@ -5,6 +5,7 @@
#include "worktree.h"
#include "dir.h"
#include "wt-status.h"
#include "config.h"
void free_worktrees(struct worktree **worktrees)
{
@ -821,3 +822,75 @@ int should_prune_worktree(const char *id, struct strbuf *reason, char **wtpath,
*wtpath = path;
return 0;
}
static int move_config_setting(const char *key, const char *value,
const char *from_file, const char *to_file)
{
if (git_config_set_in_file_gently(to_file, key, value))
return error(_("unable to set %s in '%s'"), key, to_file);
if (git_config_set_in_file_gently(from_file, key, NULL))
return error(_("unable to unset %s in '%s'"), key, from_file);
return 0;
}
int init_worktree_config(struct repository *r)
{
int res = 0;
int bare = 0;
struct config_set cs = { { 0 } };
const char *core_worktree;
char *common_config_file;
char *main_worktree_file;
/*
* If the extension is already enabled, then we can skip the
* upgrade process.
*/
if (repository_format_worktree_config)
return 0;
if ((res = git_config_set_gently("extensions.worktreeConfig", "true")))
return error(_("failed to set extensions.worktreeConfig setting"));
common_config_file = xstrfmt("%s/config", r->commondir);
main_worktree_file = xstrfmt("%s/config.worktree", r->commondir);
git_configset_init(&cs);
git_configset_add_file(&cs, common_config_file);
/*
* If core.bare is true in the common config file, then we need to
* move it to the main worktree's config file or it will break all
* worktrees. If it is false, then leave it in place because it
* _could_ be negating a global core.bare=true.
*/
if (!git_configset_get_bool(&cs, "core.bare", &bare) && bare) {
if ((res = move_config_setting("core.bare", "true",
common_config_file,
main_worktree_file)))
goto cleanup;
}
/*
* If core.worktree is set, then the main worktree is located
* somewhere different than the parent of the common Git dir.
* Relocate that value to avoid breaking all worktrees with this
* upgrade to worktree config.
*/
if (!git_configset_get_value(&cs, "core.worktree", &core_worktree)) {
if ((res = move_config_setting("core.worktree", core_worktree,
common_config_file,
main_worktree_file)))
goto cleanup;
}
/*
* Ensure that we use worktree config for the remaining lifetime
* of the current process.
*/
repository_format_worktree_config = 1;
cleanup:
git_configset_clear(&cs);
free(common_config_file);
free(main_worktree_file);
return res;
}