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worktree: add relativeWorktrees extension

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A new extension, `relativeWorktrees`, is added to indicate that at least
one worktree in the repository has been linked with relative paths.
This ensures older Git versions do not attempt to automatically prune
worktrees with relative paths, as they would not not recognize the
paths as being valid.

Suggested-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Caleb White <cdwhite3@pm.me>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Caleb White 2024-11-29 22:22:34 +00:00 committed by Junio C Hamano
parent d897f2c16d
commit 1860ba1a2a
5 changed files with 16 additions and 0 deletions
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6
Documentation/config/extensions.txt
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@ -63,6 +63,12 @@ Note that this setting should only be set by linkgit:git-init[1] or
linkgit:git-clone[1]. Trying to change it after initialization will not
work and will produce hard-to-diagnose issues.
relativeWorktrees::
If enabled, indicates at least one worktree has been linked with
relative paths. Automatically set if a worktree has been created or
repaired with either the `--relative-paths` option or with the
`worktree.useRelativePaths` config set to `true`.
worktreeConfig::
If enabled, then worktrees will load config settings from the
`$GIT_DIR/config.worktree` file in addition to the

1
repository.c
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@ -283,6 +283,7 @@ int repo_init(struct repository *repo,
repo_set_compat_hash_algo(repo, format.compat_hash_algo);
repo_set_ref_storage_format(repo, format.ref_storage_format);
repo->repository_format_worktree_config = format.worktree_config;
repo->repository_format_relative_worktrees = format.relative_worktrees;
/* take ownership of format.partial_clone */
repo->repository_format_partial_clone = format.partial_clone;

1
repository.h
View File

@ -150,6 +150,7 @@ struct repository {
/* Configurations */
int repository_format_worktree_config;
int repository_format_relative_worktrees;
/* Indicate if a repository has a different 'commondir' from 'gitdir' */
unsigned different_commondir:1;

7
setup.c
View File

@ -683,6 +683,9 @@ static enum extension_result handle_extension(const char *var,
"extensions.refstorage", value);
data->ref_storage_format = format;
return EXTENSION_OK;
} else if (!strcmp(ext, "relativeworktrees")) {
data->relative_worktrees = git_config_bool(var, value);
return EXTENSION_OK;
}
return EXTENSION_UNKNOWN;
}
@ -1854,6 +1857,8 @@ const char *setup_git_directory_gently(int *nongit_ok)
repo_fmt.ref_storage_format);
the_repository->repository_format_worktree_config =
repo_fmt.worktree_config;
the_repository->repository_format_relative_worktrees =
repo_fmt.relative_worktrees;
/* take ownership of repo_fmt.partial_clone */
the_repository->repository_format_partial_clone =
repo_fmt.partial_clone;
@ -1950,6 +1955,8 @@ void check_repository_format(struct repository_format *fmt)
fmt->ref_storage_format);
the_repository->repository_format_worktree_config =
fmt->worktree_config;
the_repository->repository_format_relative_worktrees =
fmt->relative_worktrees;
the_repository->repository_format_partial_clone =
xstrdup_or_null(fmt->partial_clone);
clear_repository_format(&repo_fmt);

1
setup.h
View File

@ -129,6 +129,7 @@ struct repository_format {
int precious_objects;
char *partial_clone; /* value of extensions.partialclone */
int worktree_config;
int relative_worktrees;
int is_bare;
int hash_algo;
int compat_hash_algo;