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environment: move set_git_dir() and related into setup layer
The functions `set_git_dir()` and friends are used to set up repositories. As such, they are quite clearly part of the setup subsystem, but still live in "environment.c". Move them over, which also helps to get rid of dependencies on `the_repository` in the environment subsystem. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
Junio C Hamano
parent
c22d183b01
commit
a52beae3a3
105
environment.c
105
environment.c
@ -22,14 +22,9 @@
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#include "fmt-merge-msg.h"
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#include "commit.h"
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#include "strvec.h"
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#include "object-file.h"
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#include "path.h"
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#include "replace-object.h"
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#include "tmp-objdir.h"
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#include "chdir-notify.h"
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#include "setup.h"
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#include "shallow.h"
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#include "trace.h"
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#include "write-or-die.h"
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int trust_executable_bit = 1;
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@ -155,41 +150,6 @@ const char *getenv_safe(struct strvec *argv, const char *name)
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return argv->v[argv->nr - 1];
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}
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void setup_git_env(const char *git_dir)
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{
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char *git_replace_ref_base;
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const char *shallow_file;
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const char *replace_ref_base;
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struct set_gitdir_args args = { NULL };
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struct strvec to_free = STRVEC_INIT;
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args.commondir = getenv_safe(&to_free, GIT_COMMON_DIR_ENVIRONMENT);
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args.object_dir = getenv_safe(&to_free, DB_ENVIRONMENT);
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args.graft_file = getenv_safe(&to_free, GRAFT_ENVIRONMENT);
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args.index_file = getenv_safe(&to_free, INDEX_ENVIRONMENT);
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args.alternate_db = getenv_safe(&to_free, ALTERNATE_DB_ENVIRONMENT);
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if (getenv(GIT_QUARANTINE_ENVIRONMENT)) {
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args.disable_ref_updates = 1;
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}
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repo_set_gitdir(the_repository, git_dir, &args);
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strvec_clear(&to_free);
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if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT))
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disable_replace_refs();
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replace_ref_base = getenv(GIT_REPLACE_REF_BASE_ENVIRONMENT);
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git_replace_ref_base = xstrdup(replace_ref_base ? replace_ref_base
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: "refs/replace/");
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update_ref_namespace(NAMESPACE_REPLACE, git_replace_ref_base);
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shallow_file = getenv(GIT_SHALLOW_FILE_ENVIRONMENT);
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if (shallow_file)
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set_alternate_shallow_file(the_repository, shallow_file, 0);
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if (git_env_bool(NO_LAZY_FETCH_ENVIRONMENT, 0))
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fetch_if_missing = 0;
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}
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int is_bare_repository(void)
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{
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/* if core.bare is not 'false', let's see if there is a work tree */
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@ -243,71 +203,6 @@ const char *strip_namespace(const char *namespaced_ref)
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return NULL;
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}
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static int git_work_tree_initialized;
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/*
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* Note. This works only before you used a work tree. This was added
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* primarily to support git-clone to work in a new repository it just
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* created, and is not meant to flip between different work trees.
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*/
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void set_git_work_tree(const char *new_work_tree)
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{
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if (git_work_tree_initialized) {
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struct strbuf realpath = STRBUF_INIT;
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strbuf_realpath(&realpath, new_work_tree, 1);
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new_work_tree = realpath.buf;
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if (strcmp(new_work_tree, the_repository->worktree))
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die("internal error: work tree has already been set\n"
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"Current worktree: %s\nNew worktree: %s",
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the_repository->worktree, new_work_tree);
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strbuf_release(&realpath);
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return;
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}
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git_work_tree_initialized = 1;
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repo_set_worktree(the_repository, new_work_tree);
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}
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static void set_git_dir_1(const char *path)
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{
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xsetenv(GIT_DIR_ENVIRONMENT, path, 1);
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setup_git_env(path);
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}
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static void update_relative_gitdir(const char *name UNUSED,
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const char *old_cwd,
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const char *new_cwd,
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void *data UNUSED)
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{
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char *path = reparent_relative_path(old_cwd, new_cwd,
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repo_get_git_dir(the_repository));
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struct tmp_objdir *tmp_objdir = tmp_objdir_unapply_primary_odb();
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trace_printf_key(&trace_setup_key,
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"setup: move $GIT_DIR to '%s'",
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path);
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set_git_dir_1(path);
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if (tmp_objdir)
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tmp_objdir_reapply_primary_odb(tmp_objdir, old_cwd, new_cwd);
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free(path);
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}
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void set_git_dir(const char *path, int make_realpath)
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{
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struct strbuf realpath = STRBUF_INIT;
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if (make_realpath) {
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strbuf_realpath(&realpath, path, 1);
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path = realpath.buf;
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}
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set_git_dir_1(path);
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if (!is_absolute_path(path))
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chdir_notify_register(NULL, update_relative_gitdir, NULL);
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strbuf_release(&realpath);
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}
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const char *get_log_output_encoding(void)
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{
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return git_log_output_encoding ? git_log_output_encoding
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@ -105,10 +105,8 @@ int have_git_dir(void);
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extern int is_bare_repository_cfg;
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int is_bare_repository(void);
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extern char *git_work_tree_cfg;
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void set_git_dir(const char *path, int make_realpath);
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const char *get_git_namespace(void);
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const char *strip_namespace(const char *namespaced_ref);
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void set_git_work_tree(const char *tree);
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#define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
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106
setup.c
106
setup.c
@ -7,16 +7,22 @@
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#include "exec-cmd.h"
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#include "gettext.h"
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#include "hex.h"
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#include "object-file.h"
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#include "object-name.h"
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#include "refs.h"
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#include "replace-object.h"
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#include "repository.h"
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#include "config.h"
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#include "dir.h"
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#include "setup.h"
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#include "shallow.h"
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#include "string-list.h"
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#include "strvec.h"
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#include "chdir-notify.h"
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#include "path.h"
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#include "quote.h"
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#include "tmp-objdir.h"
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#include "trace.h"
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#include "trace2.h"
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#include "worktree.h"
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#include "exec-cmd.h"
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@ -1613,6 +1619,106 @@ enum discovery_result discover_git_directory_reason(struct strbuf *commondir,
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return result;
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}
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void setup_git_env(const char *git_dir)
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{
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char *git_replace_ref_base;
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const char *shallow_file;
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const char *replace_ref_base;
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struct set_gitdir_args args = { NULL };
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struct strvec to_free = STRVEC_INIT;
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args.commondir = getenv_safe(&to_free, GIT_COMMON_DIR_ENVIRONMENT);
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args.object_dir = getenv_safe(&to_free, DB_ENVIRONMENT);
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args.graft_file = getenv_safe(&to_free, GRAFT_ENVIRONMENT);
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args.index_file = getenv_safe(&to_free, INDEX_ENVIRONMENT);
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args.alternate_db = getenv_safe(&to_free, ALTERNATE_DB_ENVIRONMENT);
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if (getenv(GIT_QUARANTINE_ENVIRONMENT)) {
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args.disable_ref_updates = 1;
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}
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repo_set_gitdir(the_repository, git_dir, &args);
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strvec_clear(&to_free);
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if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT))
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disable_replace_refs();
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replace_ref_base = getenv(GIT_REPLACE_REF_BASE_ENVIRONMENT);
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git_replace_ref_base = xstrdup(replace_ref_base ? replace_ref_base
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: "refs/replace/");
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update_ref_namespace(NAMESPACE_REPLACE, git_replace_ref_base);
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shallow_file = getenv(GIT_SHALLOW_FILE_ENVIRONMENT);
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if (shallow_file)
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set_alternate_shallow_file(the_repository, shallow_file, 0);
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if (git_env_bool(NO_LAZY_FETCH_ENVIRONMENT, 0))
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fetch_if_missing = 0;
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}
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static void set_git_dir_1(const char *path)
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{
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xsetenv(GIT_DIR_ENVIRONMENT, path, 1);
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setup_git_env(path);
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}
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static void update_relative_gitdir(const char *name UNUSED,
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const char *old_cwd,
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const char *new_cwd,
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void *data UNUSED)
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{
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char *path = reparent_relative_path(old_cwd, new_cwd,
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repo_get_git_dir(the_repository));
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struct tmp_objdir *tmp_objdir = tmp_objdir_unapply_primary_odb();
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trace_printf_key(&trace_setup_key,
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"setup: move $GIT_DIR to '%s'",
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path);
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set_git_dir_1(path);
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if (tmp_objdir)
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tmp_objdir_reapply_primary_odb(tmp_objdir, old_cwd, new_cwd);
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free(path);
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}
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void set_git_dir(const char *path, int make_realpath)
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{
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struct strbuf realpath = STRBUF_INIT;
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if (make_realpath) {
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strbuf_realpath(&realpath, path, 1);
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path = realpath.buf;
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}
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set_git_dir_1(path);
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if (!is_absolute_path(path))
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chdir_notify_register(NULL, update_relative_gitdir, NULL);
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strbuf_release(&realpath);
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}
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static int git_work_tree_initialized;
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/*
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* Note. This works only before you used a work tree. This was added
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* primarily to support git-clone to work in a new repository it just
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* created, and is not meant to flip between different work trees.
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*/
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void set_git_work_tree(const char *new_work_tree)
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{
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if (git_work_tree_initialized) {
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struct strbuf realpath = STRBUF_INIT;
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strbuf_realpath(&realpath, new_work_tree, 1);
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new_work_tree = realpath.buf;
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if (strcmp(new_work_tree, the_repository->worktree))
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die("internal error: work tree has already been set\n"
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"Current worktree: %s\nNew worktree: %s",
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the_repository->worktree, new_work_tree);
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strbuf_release(&realpath);
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return;
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}
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git_work_tree_initialized = 1;
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repo_set_worktree(the_repository, new_work_tree);
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}
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const char *setup_git_directory_gently(int *nongit_ok)
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{
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static struct strbuf cwd = STRBUF_INIT;
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3
setup.h
3
setup.h
@ -94,6 +94,9 @@ static inline int discover_git_directory(struct strbuf *commondir,
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return 0;
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}
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void set_git_dir(const char *path, int make_realpath);
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void set_git_work_tree(const char *tree);
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const char *setup_git_directory_gently(int *);
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const char *setup_git_directory(void);
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char *prefix_path(const char *prefix, int len, const char *path);
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