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difftool: eliminate use of the_repository

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Make callers pass a repository struct into each function instead
of relying on the global the_repository variable.

Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
David Aguilar
2025-02-05 20:20:09 -08:00
committed by Junio C Hamano
parent 8241ae63d8
commit a24953f3df
1 changed files with 29 additions and 25 deletions
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54
builtin/difftool.c
View File

@ -72,7 +72,8 @@ static int print_tool_help(void)
return run_command(&cmd);
}
static int parse_index_info(char *p, int *mode1, int *mode2,
static int parse_index_info(struct repository *repo,
char *p, int *mode1, int *mode2,
struct object_id *oid1, struct object_id *oid2,
char *status)
{
@ -84,11 +85,11 @@ static int parse_index_info(char *p, int *mode1, int *mode2,
*mode2 = (int)strtol(p + 1, &p, 8);
if (*p != ' ')
return error("expected ' ', got '%c'", *p);
if (parse_oid_hex(++p, oid1, (const char **)&p))
if (parse_oid_hex_algop(++p, oid1, (const char **)&p, repo->hash_algo))
return error("expected object ID, got '%s'", p);
if (*p != ' ')
return error("expected ' ', got '%c'", *p);
if (parse_oid_hex(++p, oid2, (const char **)&p))
if (parse_oid_hex_algop(++p, oid2, (const char **)&p, repo->hash_algo))
return error("expected object ID, got '%s'", p);
if (*p != ' ')
return error("expected ' ', got '%c'", *p);
@ -115,7 +116,8 @@ static void add_path(struct strbuf *buf, size_t base_len, const char *path)
/*
* Determine whether we can simply reuse the file in the worktree.
*/
static int use_wt_file(const char *workdir, const char *name,
static int use_wt_file(struct repository *repo,
const char *workdir, const char *name,
struct object_id *oid)
{
struct strbuf buf = STRBUF_INIT;
@ -130,7 +132,7 @@ static int use_wt_file(const char *workdir, const char *name,
int fd = open(buf.buf, O_RDONLY);
if (fd >= 0 &&
!index_fd(the_repository->index, &wt_oid, fd, &st, OBJ_BLOB, name, 0)) {
!index_fd(repo->index, &wt_oid, fd, &st, OBJ_BLOB, name, 0)) {
if (is_null_oid(oid)) {
oidcpy(oid, &wt_oid);
use = 1;
@ -221,13 +223,14 @@ static int path_entry_cmp(const void *cmp_data UNUSED,
return strcmp(a->path, key ? key : b->path);
}
static void changed_files(struct hashmap *result, const char *index_path,
static void changed_files(struct repository *repo,
struct hashmap *result, const char *index_path,
const char *workdir)
{
struct child_process update_index = CHILD_PROCESS_INIT;
struct child_process diff_files = CHILD_PROCESS_INIT;
struct strbuf buf = STRBUF_INIT;
const char *git_dir = absolute_path(repo_get_git_dir(the_repository));
const char *git_dir = absolute_path(repo_get_git_dir(repo));
FILE *fp;
strvec_pushl(&update_index.args,
@ -300,7 +303,8 @@ static int ensure_leading_directories(char *path)
* to compare the readlink(2) result as text, even on a filesystem that is
* capable of doing a symbolic link.
*/
static char *get_symlink(struct difftool_options *dt_options,
static char *get_symlink(struct repository *repo,
struct difftool_options *dt_options,
const struct object_id *oid, const char *path)
{
char *data;
@ -317,8 +321,7 @@ static char *get_symlink(struct difftool_options *dt_options,
} else {
enum object_type type;
unsigned long size;
data = repo_read_object_file(the_repository, oid, &type,
&size);
data = repo_read_object_file(repo, oid, &type, &size);
if (!data)
die(_("could not read object %s for symlink %s"),
oid_to_hex(oid), path);
@ -365,7 +368,8 @@ static void write_standin_files(struct pair_entry *entry,
write_file_in_directory(rdir, rdir_len, entry->path, entry->right);
}
static int run_dir_diff(struct difftool_options *dt_options,
static int run_dir_diff(struct repository *repo,
struct difftool_options *dt_options,
const char *extcmd, const char *prefix,
struct child_process *child)
{
@ -386,7 +390,7 @@ static int run_dir_diff(struct difftool_options *dt_options,
struct hashmap symlinks2 = HASHMAP_INIT(pair_cmp, NULL);
struct hashmap_iter iter;
struct pair_entry *entry;
struct index_state wtindex = INDEX_STATE_INIT(the_repository);
struct index_state wtindex = INDEX_STATE_INIT(repo);
struct checkout lstate, rstate;
int err = 0;
struct child_process cmd = CHILD_PROCESS_INIT;
@ -394,7 +398,7 @@ static int run_dir_diff(struct difftool_options *dt_options,
struct hashmap tmp_modified = HASHMAP_INIT(path_entry_cmp, NULL);
int indices_loaded = 0;
workdir = repo_get_work_tree(the_repository);
workdir = repo_get_work_tree(repo);
/* Setup temp directories */
tmp = getenv("TMPDIR");
@ -449,8 +453,7 @@ static int run_dir_diff(struct difftool_options *dt_options,
"not supported in\n"
"directory diff mode ('-d' and '--dir-diff')."));
if (parse_index_info(info.buf, &lmode, &rmode, &loid, &roid,
&status))
if (parse_index_info(repo, info.buf, &lmode, &rmode, &loid, &roid, &status))
break;
if (strbuf_getline_nul(&lpath, fp))
break;
@ -480,13 +483,13 @@ static int run_dir_diff(struct difftool_options *dt_options,
}
if (S_ISLNK(lmode)) {
char *content = get_symlink(dt_options, &loid, src_path);
char *content = get_symlink(repo, dt_options, &loid, src_path);
add_left_or_right(&symlinks2, src_path, content, 0);
free(content);
}
if (S_ISLNK(rmode)) {
char *content = get_symlink(dt_options, &roid, dst_path);
char *content = get_symlink(repo, dt_options, &roid, dst_path);
add_left_or_right(&symlinks2, dst_path, content, 1);
free(content);
}
@ -511,7 +514,7 @@ static int run_dir_diff(struct difftool_options *dt_options,
}
hashmap_add(&working_tree_dups, &entry->entry);
if (!use_wt_file(workdir, dst_path, &roid)) {
if (!use_wt_file(repo, workdir, dst_path, &roid)) {
if (checkout_path(rmode, &roid, dst_path,
&rstate)) {
ret = error("could not write '%s'",
@ -637,9 +640,9 @@ static int run_dir_diff(struct difftool_options *dt_options,
ret = error("could not write %s", buf.buf);
goto finish;
}
changed_files(&wt_modified, buf.buf, workdir);
changed_files(repo, &wt_modified, buf.buf, workdir);
strbuf_setlen(&rdir, rdir_len);
changed_files(&tmp_modified, buf.buf, rdir.buf);
changed_files(repo, &tmp_modified, buf.buf, rdir.buf);
add_path(&rdir, rdir_len, name);
indices_loaded = 1;
}
@ -713,7 +716,7 @@ static int run_file_diff(int prompt, const char *prefix,
int cmd_difftool(int argc,
const char **argv,
const char *prefix,
struct repository *repo UNUSED)
struct repository *repo)
{
int use_gui_tool = -1, dir_diff = 0, prompt = -1, tool_help = 0, no_index = 0;
static char *difftool_cmd = NULL, *extcmd = NULL;
@ -749,7 +752,8 @@ int cmd_difftool(int argc,
};
struct child_process child = CHILD_PROCESS_INIT;
git_config(difftool_config, &dt_options);
if (repo)
repo_config(repo, difftool_config, &dt_options);
dt_options.symlinks = dt_options.has_symlinks;
argc = parse_options(argc, argv, prefix, builtin_difftool_options,
@ -764,8 +768,8 @@ int cmd_difftool(int argc,
if (!no_index){
setup_work_tree();
setenv(GIT_DIR_ENVIRONMENT, absolute_path(repo_get_git_dir(the_repository)), 1);
setenv(GIT_WORK_TREE_ENVIRONMENT, absolute_path(repo_get_work_tree(the_repository)), 1);
setenv(GIT_DIR_ENVIRONMENT, absolute_path(repo_get_git_dir(repo)), 1);
setenv(GIT_WORK_TREE_ENVIRONMENT, absolute_path(repo_get_work_tree(repo)), 1);
} else if (dir_diff)
die(_("options '%s' and '%s' cannot be used together"), "--dir-diff", "--no-index");
@ -814,6 +818,6 @@ int cmd_difftool(int argc,
strvec_pushv(&child.args, argv);
if (dir_diff)
return run_dir_diff(&dt_options, extcmd, prefix, &child);
return run_dir_diff(repo, &dt_options, extcmd, prefix, &child);
return run_file_diff(prompt, prefix, &child);
}