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![Junio C Hamano](/assets/img/avatar_default.png)
Header files cleanup. * en/header-split-cache-h-part-3: (28 commits) fsmonitor-ll.h: split this header out of fsmonitor.h hash-ll, hashmap: move oidhash() to hash-ll object-store-ll.h: split this header out of object-store.h khash: name the structs that khash declares merge-ll: rename from ll-merge git-compat-util.h: remove unneccessary include of wildmatch.h builtin.h: remove unneccessary includes list-objects-filter-options.h: remove unneccessary include diff.h: remove unnecessary include of oidset.h repository: remove unnecessary include of path.h log-tree: replace include of revision.h with simple forward declaration cache.h: remove this no-longer-used header read-cache*.h: move declarations for read-cache.c functions from cache.h repository.h: move declaration of the_index from cache.h merge.h: move declarations for merge.c from cache.h diff.h: move declaration for global in diff.c from cache.h preload-index.h: move declarations for preload-index.c from elsewhere sparse-index.h: move declarations for sparse-index.c from cache.h name-hash.h: move declarations for name-hash.c from cache.h run-command.h: move declarations for run-command.c from cache.h ...
419 lines
11 KiB
C
419 lines
11 KiB
C
/*
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* We put all the git config variables in this same object
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* file, so that programs can link against the config parser
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* without having to link against all the rest of git.
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*
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* In particular, no need to bring in libz etc unless needed,
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* even if you might want to know where the git directory etc
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* are.
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*/
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#include "git-compat-util.h"
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#include "abspath.h"
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#include "branch.h"
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#include "convert.h"
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#include "environment.h"
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#include "gettext.h"
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#include "repository.h"
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#include "config.h"
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#include "refs.h"
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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 "object-store-ll.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 "wrapper.h"
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#include "write-or-die.h"
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int trust_executable_bit = 1;
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int trust_ctime = 1;
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int check_stat = 1;
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int has_symlinks = 1;
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int minimum_abbrev = 4, default_abbrev = -1;
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int ignore_case;
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int assume_unchanged;
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int prefer_symlink_refs;
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int is_bare_repository_cfg = -1; /* unspecified */
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int warn_ambiguous_refs = 1;
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int warn_on_object_refname_ambiguity = 1;
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int repository_format_precious_objects;
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const char *git_commit_encoding;
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const char *git_log_output_encoding;
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char *apply_default_whitespace;
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char *apply_default_ignorewhitespace;
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const char *git_attributes_file;
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const char *git_hooks_path;
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int zlib_compression_level = Z_BEST_SPEED;
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int pack_compression_level = Z_DEFAULT_COMPRESSION;
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int fsync_object_files = -1;
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int use_fsync = -1;
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enum fsync_method fsync_method = FSYNC_METHOD_DEFAULT;
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enum fsync_component fsync_components = FSYNC_COMPONENTS_DEFAULT;
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size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
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size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT;
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size_t delta_base_cache_limit = 96 * 1024 * 1024;
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unsigned long big_file_threshold = 512 * 1024 * 1024;
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const char *editor_program;
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const char *askpass_program;
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const char *excludes_file;
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enum auto_crlf auto_crlf = AUTO_CRLF_FALSE;
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enum eol core_eol = EOL_UNSET;
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int global_conv_flags_eol = CONV_EOL_RNDTRP_WARN;
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char *check_roundtrip_encoding = "SHIFT-JIS";
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enum branch_track git_branch_track = BRANCH_TRACK_REMOTE;
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enum rebase_setup_type autorebase = AUTOREBASE_NEVER;
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enum push_default_type push_default = PUSH_DEFAULT_UNSPECIFIED;
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#ifndef OBJECT_CREATION_MODE
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#define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS
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#endif
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enum object_creation_mode object_creation_mode = OBJECT_CREATION_MODE;
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char *notes_ref_name;
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int grafts_replace_parents = 1;
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int core_apply_sparse_checkout;
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int core_sparse_checkout_cone;
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int sparse_expect_files_outside_of_patterns;
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int merge_log_config = -1;
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int precomposed_unicode = -1; /* see probe_utf8_pathname_composition() */
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unsigned long pack_size_limit_cfg;
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enum log_refs_config log_all_ref_updates = LOG_REFS_UNSET;
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#ifndef PROTECT_HFS_DEFAULT
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#define PROTECT_HFS_DEFAULT 0
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#endif
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int protect_hfs = PROTECT_HFS_DEFAULT;
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#ifndef PROTECT_NTFS_DEFAULT
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#define PROTECT_NTFS_DEFAULT 1
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#endif
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int protect_ntfs = PROTECT_NTFS_DEFAULT;
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/*
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* The character that begins a commented line in user-editable file
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* that is subject to stripspace.
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*/
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char comment_line_char = '#';
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int auto_comment_line_char;
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/* Parallel index stat data preload? */
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int core_preload_index = 1;
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/* This is set by setup_git_dir_gently() and/or git_default_config() */
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char *git_work_tree_cfg;
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static char *git_namespace;
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/*
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* Repository-local GIT_* environment variables; see environment.h for details.
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*/
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const char * const local_repo_env[] = {
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ALTERNATE_DB_ENVIRONMENT,
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CONFIG_ENVIRONMENT,
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CONFIG_DATA_ENVIRONMENT,
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CONFIG_COUNT_ENVIRONMENT,
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DB_ENVIRONMENT,
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GIT_DIR_ENVIRONMENT,
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GIT_WORK_TREE_ENVIRONMENT,
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GIT_IMPLICIT_WORK_TREE_ENVIRONMENT,
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GRAFT_ENVIRONMENT,
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INDEX_ENVIRONMENT,
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NO_REPLACE_OBJECTS_ENVIRONMENT,
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GIT_REPLACE_REF_BASE_ENVIRONMENT,
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GIT_PREFIX_ENVIRONMENT,
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GIT_SHALLOW_FILE_ENVIRONMENT,
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GIT_COMMON_DIR_ENVIRONMENT,
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NULL
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};
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static char *expand_namespace(const char *raw_namespace)
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{
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struct strbuf buf = STRBUF_INIT;
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struct strbuf **components, **c;
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if (!raw_namespace || !*raw_namespace)
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return xstrdup("");
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strbuf_addstr(&buf, raw_namespace);
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components = strbuf_split(&buf, '/');
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strbuf_reset(&buf);
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for (c = components; *c; c++)
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if (strcmp((*c)->buf, "/") != 0)
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strbuf_addf(&buf, "refs/namespaces/%s", (*c)->buf);
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strbuf_list_free(components);
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if (check_refname_format(buf.buf, 0))
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die(_("bad git namespace path \"%s\""), raw_namespace);
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strbuf_addch(&buf, '/');
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return strbuf_detach(&buf, NULL);
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}
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const char *getenv_safe(struct strvec *argv, const char *name)
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{
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const char *value = getenv(name);
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if (!value)
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return NULL;
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strvec_push(argv, value);
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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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free(git_namespace);
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git_namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT));
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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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}
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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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return is_bare_repository_cfg && !get_git_work_tree();
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}
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int have_git_dir(void)
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{
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return startup_info->have_repository
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|| the_repository->gitdir;
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}
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const char *get_git_dir(void)
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{
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if (!the_repository->gitdir)
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BUG("git environment hasn't been setup");
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return the_repository->gitdir;
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}
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const char *get_git_common_dir(void)
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{
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if (!the_repository->commondir)
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BUG("git environment hasn't been setup");
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return the_repository->commondir;
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}
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const char *get_git_namespace(void)
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{
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if (!git_namespace)
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BUG("git environment hasn't been setup");
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return git_namespace;
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}
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const char *strip_namespace(const char *namespaced_ref)
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{
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const char *out;
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if (skip_prefix(namespaced_ref, get_git_namespace(), &out))
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return out;
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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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const char *get_git_work_tree(void)
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{
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return the_repository->worktree;
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}
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const char *get_object_directory(void)
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{
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if (!the_repository->objects->odb)
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BUG("git environment hasn't been setup");
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return the_repository->objects->odb->path;
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}
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int odb_mkstemp(struct strbuf *temp_filename, const char *pattern)
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{
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int fd;
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/*
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* we let the umask do its job, don't try to be more
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* restrictive except to remove write permission.
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*/
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int mode = 0444;
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git_path_buf(temp_filename, "objects/%s", pattern);
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fd = git_mkstemp_mode(temp_filename->buf, mode);
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if (0 <= fd)
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return fd;
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/* slow path */
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/* some mkstemp implementations erase temp_filename on failure */
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git_path_buf(temp_filename, "objects/%s", pattern);
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safe_create_leading_directories(temp_filename->buf);
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return xmkstemp_mode(temp_filename->buf, mode);
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}
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int odb_pack_keep(const char *name)
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{
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int fd;
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fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
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if (0 <= fd)
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return fd;
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/* slow path */
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safe_create_leading_directories_const(name);
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return open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
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}
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char *get_index_file(void)
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{
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if (!the_repository->index_file)
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BUG("git environment hasn't been setup");
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return the_repository->index_file;
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}
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char *get_graft_file(struct repository *r)
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{
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if (!r->graft_file)
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BUG("git environment hasn't been setup");
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return r->graft_file;
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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, get_git_dir());
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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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: get_commit_output_encoding();
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}
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const char *get_commit_output_encoding(void)
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{
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return git_commit_encoding ? git_commit_encoding : "UTF-8";
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}
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static int the_shared_repository = PERM_UMASK;
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static int need_shared_repository_from_config = 1;
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void set_shared_repository(int value)
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{
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the_shared_repository = value;
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need_shared_repository_from_config = 0;
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}
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int get_shared_repository(void)
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{
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if (need_shared_repository_from_config) {
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const char *var = "core.sharedrepository";
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const char *value;
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if (!git_config_get_value(var, &value))
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the_shared_repository = git_config_perm(var, value);
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need_shared_repository_from_config = 0;
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}
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return the_shared_repository;
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}
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void reset_shared_repository(void)
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{
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need_shared_repository_from_config = 1;
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}
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int use_optional_locks(void)
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{
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return git_env_bool(GIT_OPTIONAL_LOCKS_ENVIRONMENT, 1);
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}
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int print_sha1_ellipsis(void)
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{
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/*
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* Determine if the calling environment contains the variable
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* GIT_PRINT_SHA1_ELLIPSIS set to "yes".
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*/
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static int cached_result = -1; /* unknown */
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if (cached_result < 0) {
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const char *v = getenv("GIT_PRINT_SHA1_ELLIPSIS");
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cached_result = (v && !strcasecmp(v, "yes"));
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}
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return cached_result;
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}
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