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Diffstat (limited to 'git.c')
-rw-r--r--git.c212
1 files changed, 172 insertions, 40 deletions
diff --git a/git.c b/git.c
index a6f4b44af5..a00a0a4d94 100644
--- a/git.c
+++ b/git.c
@@ -4,6 +4,7 @@
#include "help.h"
#include "run-command.h"
#include "alias.h"
+#include "shallow.h"
#define RUN_SETUP (1<<0)
#define RUN_SETUP_GENTLY (1<<1)
@@ -33,7 +34,8 @@ const char git_usage_string[] =
const char git_more_info_string[] =
N_("'git help -a' and 'git help -g' list available subcommands and some\n"
"concept guides. See 'git help <command>' or 'git help <concept>'\n"
- "to read about a specific subcommand or concept.");
+ "to read about a specific subcommand or concept.\n"
+ "See 'git help git' for an overview of the system.");
static int use_pager = -1;
@@ -62,6 +64,13 @@ static int list_cmds(const char *spec)
{
struct string_list list = STRING_LIST_INIT_DUP;
int i;
+ int nongit;
+
+ /*
+ * Set up the repository so we can pick up any repo-level config (like
+ * completion.commands).
+ */
+ setup_git_directory_gently(&nongit);
while (*spec) {
const char *sep = strchrnul(spec, ',');
@@ -98,7 +107,8 @@ static int list_cmds(const char *spec)
return 0;
}
-static void commit_pager_choice(void) {
+static void commit_pager_choice(void)
+{
switch (use_pager) {
case 0:
setenv("GIT_PAGER", "cat", 1);
@@ -146,16 +156,20 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
git_set_exec_path(cmd + 1);
else {
puts(git_exec_path());
+ trace2_cmd_name("_query_");
exit(0);
}
} else if (!strcmp(cmd, "--html-path")) {
puts(system_path(GIT_HTML_PATH));
+ trace2_cmd_name("_query_");
exit(0);
} else if (!strcmp(cmd, "--man-path")) {
puts(system_path(GIT_MAN_PATH));
+ trace2_cmd_name("_query_");
exit(0);
} else if (!strcmp(cmd, "--info-path")) {
puts(system_path(GIT_INFO_PATH));
+ trace2_cmd_name("_query_");
exit(0);
} else if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) {
use_pager = 1;
@@ -284,6 +298,7 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
(*argv)++;
(*argc)--;
} else if (skip_prefix(cmd, "--list-cmds=", &cmd)) {
+ trace2_cmd_name("_query_");
if (!strcmp(cmd, "parseopt")) {
struct string_list list = STRING_LIST_INIT_DUP;
int i;
@@ -318,6 +333,9 @@ static int handle_alias(int *argcp, const char ***argv)
alias_command = (*argv)[0];
alias_string = alias_lookup(alias_command);
if (alias_string) {
+ if (*argcp > 1 && !strcmp((*argv)[1], "-h"))
+ fprintf_ln(stderr, _("'%s' is aliased to '%s'"),
+ alias_command, alias_string);
if (alias_string[0] == '!') {
struct child_process child = CHILD_PROCESS_INIT;
int nongit_ok;
@@ -328,34 +346,41 @@ static int handle_alias(int *argcp, const char ***argv)
commit_pager_choice();
child.use_shell = 1;
- argv_array_push(&child.args, alias_string + 1);
- argv_array_pushv(&child.args, (*argv) + 1);
+ child.clean_on_exit = 1;
+ child.wait_after_clean = 1;
+ child.trace2_child_class = "shell_alias";
+ strvec_push(&child.args, alias_string + 1);
+ strvec_pushv(&child.args, (*argv) + 1);
+
+ trace2_cmd_alias(alias_command, child.args.v);
+ trace2_cmd_list_config();
+ trace2_cmd_list_env_vars();
+ trace2_cmd_name("_run_shell_alias_");
ret = run_command(&child);
if (ret >= 0) /* normal exit */
exit(ret);
- die_errno("while expanding alias '%s': '%s'",
- alias_command, alias_string + 1);
+ die_errno(_("while expanding alias '%s': '%s'"),
+ alias_command, alias_string + 1);
}
count = split_cmdline(alias_string, &new_argv);
if (count < 0)
- die("Bad alias.%s string: %s", alias_command,
- split_cmdline_strerror(count));
+ die(_("bad alias.%s string: %s"), alias_command,
+ _(split_cmdline_strerror(count)));
option_count = handle_options(&new_argv, &count, &envchanged);
if (envchanged)
- die("alias '%s' changes environment variables.\n"
- "You can use '!git' in the alias to do this",
- alias_command);
- memmove(new_argv - option_count, new_argv,
- count * sizeof(char *));
+ die(_("alias '%s' changes environment variables.\n"
+ "You can use '!git' in the alias to do this"),
+ alias_command);
+ MOVE_ARRAY(new_argv - option_count, new_argv, count);
new_argv -= option_count;
if (count < 1)
- die("empty alias for %s", alias_command);
+ die(_("empty alias for %s"), alias_command);
if (!strcmp(alias_command, new_argv[0]))
- die("recursive alias: %s", alias_command);
+ die(_("recursive alias: %s"), alias_command);
trace_argv_printf(new_argv,
"trace: alias expansion: %s =>",
@@ -363,7 +388,11 @@ static int handle_alias(int *argcp, const char ***argv)
REALLOC_ARRAY(new_argv, count + *argcp);
/* insert after command name */
- memcpy(new_argv + count, *argv + 1, sizeof(char *) * *argcp);
+ COPY_ARRAY(new_argv + count, *argv + 1, *argcp);
+
+ trace2_cmd_alias(alias_command, new_argv);
+ trace2_cmd_list_config();
+ trace2_cmd_list_env_vars();
*argv = new_argv;
*argcp += count - 1;
@@ -406,17 +435,20 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
if (!help && get_super_prefix()) {
if (!(p->option & SUPPORT_SUPER_PREFIX))
- die("%s doesn't support --super-prefix", p->cmd);
+ die(_("%s doesn't support --super-prefix"), p->cmd);
}
if (!help && p->option & NEED_WORK_TREE)
setup_work_tree();
trace_argv_printf(argv, "trace: built-in: git");
+ trace2_cmd_name(p->cmd);
+ trace2_cmd_list_config();
+ trace2_cmd_list_env_vars();
- validate_cache_entries(&the_index);
+ validate_cache_entries(the_repository->index);
status = p->fn(argc, argv, prefix);
- validate_cache_entries(&the_index);
+ validate_cache_entries(the_repository->index);
if (status)
return status;
@@ -430,11 +462,11 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
/* Check for ENOSPC and EIO errors.. */
if (fflush(stdout))
- die_errno("write failure on standard output");
+ die_errno(_("write failure on standard output"));
if (ferror(stdout))
- die("unknown write failure on standard output");
+ die(_("unknown write failure on standard output"));
if (fclose(stdout))
- die_errno("close failed on standard output");
+ die_errno(_("close failed on standard output"));
return 0;
}
@@ -447,6 +479,7 @@ static struct cmd_struct commands[] = {
{ "bisect--helper", cmd_bisect__helper, RUN_SETUP },
{ "blame", cmd_blame, RUN_SETUP },
{ "branch", cmd_branch, RUN_SETUP | DELAY_PAGER_CONFIG },
+ { "bugreport", cmd_bugreport, RUN_SETUP_GENTLY },
{ "bundle", cmd_bundle, RUN_SETUP_GENTLY | NO_PARSEOPT },
{ "cat-file", cmd_cat_file, RUN_SETUP },
{ "check-attr", cmd_check_attr, RUN_SETUP },
@@ -467,17 +500,23 @@ static struct cmd_struct commands[] = {
{ "config", cmd_config, RUN_SETUP_GENTLY | DELAY_PAGER_CONFIG },
{ "count-objects", cmd_count_objects, RUN_SETUP },
{ "credential", cmd_credential, RUN_SETUP_GENTLY | NO_PARSEOPT },
+ { "credential-cache", cmd_credential_cache },
+ { "credential-cache--daemon", cmd_credential_cache_daemon },
+ { "credential-store", cmd_credential_store },
{ "describe", cmd_describe, RUN_SETUP },
{ "diff", cmd_diff, NO_PARSEOPT },
{ "diff-files", cmd_diff_files, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT },
{ "diff-index", cmd_diff_index, RUN_SETUP | NO_PARSEOPT },
{ "diff-tree", cmd_diff_tree, RUN_SETUP | NO_PARSEOPT },
- { "difftool", cmd_difftool, RUN_SETUP | NEED_WORK_TREE },
+ { "difftool", cmd_difftool, RUN_SETUP_GENTLY },
+ { "env--helper", cmd_env__helper },
{ "fast-export", cmd_fast_export, RUN_SETUP },
+ { "fast-import", cmd_fast_import, RUN_SETUP | NO_PARSEOPT },
{ "fetch", cmd_fetch, RUN_SETUP },
{ "fetch-pack", cmd_fetch_pack, RUN_SETUP | NO_PARSEOPT },
{ "fmt-merge-msg", cmd_fmt_merge_msg, RUN_SETUP },
{ "for-each-ref", cmd_for_each_ref, RUN_SETUP },
+ { "for-each-repo", cmd_for_each_repo, RUN_SETUP_GENTLY },
{ "format-patch", cmd_format_patch, RUN_SETUP },
{ "fsck", cmd_fsck, RUN_SETUP },
{ "fsck-objects", cmd_fsck, RUN_SETUP },
@@ -496,6 +535,7 @@ static struct cmd_struct commands[] = {
{ "ls-tree", cmd_ls_tree, RUN_SETUP },
{ "mailinfo", cmd_mailinfo, RUN_SETUP_GENTLY | NO_PARSEOPT },
{ "mailsplit", cmd_mailsplit, NO_PARSEOPT },
+ { "maintenance", cmd_maintenance, RUN_SETUP | NO_PARSEOPT },
{ "merge", cmd_merge, RUN_SETUP | NEED_WORK_TREE },
{ "merge-base", cmd_merge_base, RUN_SETUP },
{ "merge-file", cmd_merge_file, RUN_SETUP_GENTLY },
@@ -523,7 +563,8 @@ static struct cmd_struct commands[] = {
{ "push", cmd_push, RUN_SETUP },
{ "range-diff", cmd_range_diff, RUN_SETUP | USE_PAGER },
{ "read-tree", cmd_read_tree, RUN_SETUP | SUPPORT_SUPER_PREFIX},
- { "rebase--helper", cmd_rebase__helper, RUN_SETUP | NEED_WORK_TREE },
+ { "rebase", cmd_rebase, RUN_SETUP | NEED_WORK_TREE },
+ { "rebase--interactive", cmd_rebase__interactive, RUN_SETUP | NEED_WORK_TREE },
{ "receive-pack", cmd_receive_pack },
{ "reflog", cmd_reflog, RUN_SETUP },
{ "remote", cmd_remote, RUN_SETUP },
@@ -533,21 +574,24 @@ static struct cmd_struct commands[] = {
{ "replace", cmd_replace, RUN_SETUP },
{ "rerere", cmd_rerere, RUN_SETUP },
{ "reset", cmd_reset, RUN_SETUP },
+ { "restore", cmd_restore, RUN_SETUP | NEED_WORK_TREE },
{ "rev-list", cmd_rev_list, RUN_SETUP | NO_PARSEOPT },
{ "rev-parse", cmd_rev_parse, NO_PARSEOPT },
{ "revert", cmd_revert, RUN_SETUP | NEED_WORK_TREE },
{ "rm", cmd_rm, RUN_SETUP },
{ "send-pack", cmd_send_pack, RUN_SETUP },
- { "serve", cmd_serve, RUN_SETUP },
{ "shortlog", cmd_shortlog, RUN_SETUP_GENTLY | USE_PAGER },
{ "show", cmd_show, RUN_SETUP },
{ "show-branch", cmd_show_branch, RUN_SETUP },
- { "show-index", cmd_show_index },
+ { "show-index", cmd_show_index, RUN_SETUP_GENTLY },
{ "show-ref", cmd_show_ref, RUN_SETUP },
+ { "sparse-checkout", cmd_sparse_checkout, RUN_SETUP | NEED_WORK_TREE },
{ "stage", cmd_add, RUN_SETUP | NEED_WORK_TREE },
+ { "stash", cmd_stash, RUN_SETUP | NEED_WORK_TREE },
{ "status", cmd_status, RUN_SETUP | NEED_WORK_TREE },
{ "stripspace", cmd_stripspace },
{ "submodule--helper", cmd_submodule__helper, RUN_SETUP | SUPPORT_SUPER_PREFIX | NO_PARSEOPT },
+ { "switch", cmd_switch, RUN_SETUP | NEED_WORK_TREE },
{ "symbolic-ref", cmd_symbolic_ref, RUN_SETUP },
{ "tag", cmd_tag, RUN_SETUP | DELAY_PAGER_CONFIG },
{ "unpack-file", cmd_unpack_file, RUN_SETUP | NO_PARSEOPT },
@@ -595,6 +639,25 @@ static void list_builtins(struct string_list *out, unsigned int exclude_option)
}
}
+void load_builtin_commands(const char *prefix, struct cmdnames *cmds)
+{
+ const char *name;
+ int i;
+
+ /*
+ * Callers can ask for a subset of the commands based on a certain
+ * prefix, which is then dropped from the added names. The names in
+ * the `commands[]` array do not have the `git-` prefix, though,
+ * therefore we must expect the `prefix` to at least start with `git-`.
+ */
+ if (!skip_prefix(prefix, "git-", &prefix))
+ BUG("prefix '%s' must start with 'git-'", prefix);
+
+ for (i = 0; i < ARRAY_SIZE(commands); i++)
+ if (skip_prefix(commands[i].cmd, prefix, &name))
+ add_cmdname(cmds, name, strlen(name));
+}
+
#ifdef STRIP_EXTENSION
static void strip_extension(const char **argv)
{
@@ -609,7 +672,7 @@ static void strip_extension(const char **argv)
static void handle_builtin(int argc, const char **argv)
{
- struct argv_array args = ARGV_ARRAY_INIT;
+ struct strvec args = STRVEC_INIT;
const char *cmd;
struct cmd_struct *builtin;
@@ -624,19 +687,19 @@ static void handle_builtin(int argc, const char **argv)
argv[0] = cmd = "help";
for (i = 0; i < argc; i++) {
- argv_array_push(&args, argv[i]);
+ strvec_push(&args, argv[i]);
if (!i)
- argv_array_push(&args, "--exclude-guides");
+ strvec_push(&args, "--exclude-guides");
}
argc++;
- argv = args.argv;
+ argv = args.v;
}
builtin = get_builtin(cmd);
if (builtin)
exit(run_builtin(builtin, argc, argv));
- argv_array_clear(&args);
+ strvec_clear(&args);
}
static void execv_dashed_external(const char **argv)
@@ -645,19 +708,26 @@ static void execv_dashed_external(const char **argv)
int status;
if (get_super_prefix())
- die("%s doesn't support --super-prefix", argv[0]);
+ die(_("%s doesn't support --super-prefix"), argv[0]);
if (use_pager == -1 && !is_builtin(argv[0]))
use_pager = check_pager_config(argv[0]);
commit_pager_choice();
- argv_array_pushf(&cmd.args, "git-%s", argv[0]);
- argv_array_pushv(&cmd.args, argv + 1);
+ strvec_pushf(&cmd.args, "git-%s", argv[0]);
+ strvec_pushv(&cmd.args, argv + 1);
cmd.clean_on_exit = 1;
cmd.wait_after_clean = 1;
cmd.silent_exec_failure = 1;
+ cmd.trace2_child_class = "dashed";
+
+ trace2_cmd_name("_run_dashed_");
- trace_argv_printf(cmd.args.argv, "trace: exec:");
+ /*
+ * The code in run_command() logs trace2 child_start/child_exit
+ * events, so we do not need to report exec/exec_result events here.
+ */
+ trace_argv_printf(cmd.args.v, "trace: exec:");
/*
* If we fail because the command is not found, it is
@@ -666,6 +736,12 @@ static void execv_dashed_external(const char **argv)
* the program.
*/
status = run_command(&cmd);
+
+ /*
+ * If the child process ran and we are now going to exit, emit a
+ * generic string as our trace2 command verb to indicate that we
+ * launched a dashed command.
+ */
if (status >= 0)
exit(status);
else if (errno != ENOENT)
@@ -675,6 +751,8 @@ static void execv_dashed_external(const char **argv)
static int run_argv(int *argcp, const char ***argv)
{
int done_alias = 0;
+ struct string_list cmd_list = STRING_LIST_INIT_NODUP;
+ struct string_list_item *seen;
while (1) {
/*
@@ -688,21 +766,75 @@ static int run_argv(int *argcp, const char ***argv)
*/
if (!done_alias)
handle_builtin(*argcp, *argv);
+ else if (get_builtin(**argv)) {
+ struct strvec args = STRVEC_INIT;
+ int i;
+
+ /*
+ * The current process is committed to launching a
+ * child process to run the command named in (**argv)
+ * and exiting. Log a generic string as the trace2
+ * command verb to indicate this. Note that the child
+ * process will log the actual verb when it runs.
+ */
+ trace2_cmd_name("_run_git_alias_");
+
+ if (get_super_prefix())
+ die("%s doesn't support --super-prefix", **argv);
+
+ commit_pager_choice();
+
+ strvec_push(&args, "git");
+ for (i = 0; i < *argcp; i++)
+ strvec_push(&args, (*argv)[i]);
+
+ trace_argv_printf(args.v, "trace: exec:");
+
+ /*
+ * if we fail because the command is not found, it is
+ * OK to return. Otherwise, we just pass along the status code.
+ */
+ i = run_command_v_opt_tr2(args.v, RUN_SILENT_EXEC_FAILURE |
+ RUN_CLEAN_ON_EXIT | RUN_WAIT_AFTER_CLEAN, "git_alias");
+ if (i >= 0 || errno != ENOENT)
+ exit(i);
+ die("could not execute builtin %s", **argv);
+ }
/* .. then try the external ones */
execv_dashed_external(*argv);
- /* It could be an alias -- this works around the insanity
+ seen = unsorted_string_list_lookup(&cmd_list, *argv[0]);
+ if (seen) {
+ int i;
+ struct strbuf sb = STRBUF_INIT;
+ for (i = 0; i < cmd_list.nr; i++) {
+ struct string_list_item *item = &cmd_list.items[i];
+
+ strbuf_addf(&sb, "\n %s", item->string);
+ if (item == seen)
+ strbuf_addstr(&sb, " <==");
+ else if (i == cmd_list.nr - 1)
+ strbuf_addstr(&sb, " ==>");
+ }
+ die(_("alias loop detected: expansion of '%s' does"
+ " not terminate:%s"), cmd_list.items[0].string, sb.buf);
+ }
+
+ string_list_append(&cmd_list, *argv[0]);
+
+ /*
+ * It could be an alias -- this works around the insanity
* of overriding "git log" with "git show" by having
* alias.log = show
*/
- if (done_alias)
- break;
if (!handle_alias(argcp, argv))
break;
done_alias = 1;
}
+ string_list_clear(&cmd_list, 0);
+
return done_alias;
}
@@ -735,7 +867,7 @@ int cmd_main(int argc, const char **argv)
if (skip_prefix(cmd, "git-", &cmd)) {
argv[0] = cmd;
handle_builtin(argc, argv);
- die("cannot handle %s as a builtin", cmd);
+ die(_("cannot handle %s as a builtin"), cmd);
}
/* Look for flags.. */
@@ -748,7 +880,7 @@ int cmd_main(int argc, const char **argv)
} else {
/* The user didn't specify a command; give them help */
commit_pager_choice();
- printf("usage: %s\n\n", git_usage_string);
+ printf(_("usage: %s\n\n"), git_usage_string);
list_common_cmds_help();
printf("\n%s\n", _(git_more_info_string));
exit(1);
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-14 15:49:20 +0000