X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=git.c;h=930998bbe542cbaa92b3f16a6b0dc0d6ad43b874;hb=68d42c41ef33cde500307660bb64a1c74f62711e;hp=452180e23af9250bbc7fcc8a9cca70b24129dc68;hpb=3fe5dbf57f2512d29cb72c68bdab98957fda7bb3;p=git.git diff --git a/git.c b/git.c index 452180e23..930998bbe 100644 --- a/git.c +++ b/git.c @@ -15,6 +15,9 @@ #include "builtin.h" +const char git_usage_string[] = + "git [--version] [--exec-path[=GIT_EXEC_PATH]] [--help] COMMAND [ ARGS ]"; + static void prepend_to_path(const char *dir, int len) { const char *old_path = getenv("PATH"); @@ -78,7 +81,7 @@ static int handle_options(const char*** argv, int* argc) setenv("GIT_DIR", getcwd(git_dir, 1024), 1); } else { fprintf(stderr, "Unknown option: %s\n", cmd); - cmd_usage(0, NULL, NULL); + usage(git_usage_string); } (*argv)++; @@ -89,7 +92,7 @@ static int handle_options(const char*** argv, int* argc) } static const char *alias_command; -static char *alias_string = NULL; +static char *alias_string; static int git_alias_config(const char *var, const char *value) { @@ -156,52 +159,48 @@ static int handle_alias(int *argcp, const char ***argv) { int nongit = 0, ret = 0, saved_errno = errno; const char *subdir; + int count, option_count; + const char** new_argv; subdir = setup_git_directory_gently(&nongit); - if (!nongit) { - int count, option_count; - const char** new_argv; - - alias_command = (*argv)[0]; - git_config(git_alias_config); - if (alias_string) { - - count = split_cmdline(alias_string, &new_argv); - option_count = handle_options(&new_argv, &count); - memmove(new_argv - option_count, new_argv, - count * sizeof(char *)); - new_argv -= option_count; - - if (count < 1) - die("empty alias for %s", alias_command); - - if (!strcmp(alias_command, new_argv[0])) - die("recursive alias: %s", alias_command); - - if (getenv("GIT_TRACE")) { - int i; - fprintf(stderr, "trace: alias expansion: %s =>", - alias_command); - for (i = 0; i < count; ++i) { - fputc(' ', stderr); - sq_quote_print(stderr, new_argv[i]); - } - fputc('\n', stderr); - fflush(stderr); - } - new_argv = realloc(new_argv, sizeof(char*) * - (count + *argcp + 1)); - /* insert after command name */ - memcpy(new_argv + count, *argv + 1, - sizeof(char*) * *argcp); - new_argv[count+*argcp] = NULL; + alias_command = (*argv)[0]; + git_config(git_alias_config); + if (alias_string) { + count = split_cmdline(alias_string, &new_argv); + option_count = handle_options(&new_argv, &count); + memmove(new_argv - option_count, new_argv, + count * sizeof(char *)); + new_argv -= option_count; + + if (count < 1) + die("empty alias for %s", alias_command); - *argv = new_argv; - *argcp += count - 1; + if (!strcmp(alias_command, new_argv[0])) + die("recursive alias: %s", alias_command); - ret = 1; + if (getenv("GIT_TRACE")) { + int i; + fprintf(stderr, "trace: alias expansion: %s =>", + alias_command); + for (i = 0; i < count; ++i) { + fputc(' ', stderr); + sq_quote_print(stderr, new_argv[i]); + } + fputc('\n', stderr); + fflush(stderr); } + + new_argv = realloc(new_argv, sizeof(char*) * + (count + *argcp + 1)); + /* insert after command name */ + memcpy(new_argv + count, *argv + 1, sizeof(char*) * *argcp); + new_argv[count+*argcp] = NULL; + + *argv = new_argv; + *argcp += count - 1; + + ret = 1; } if (subdir) @@ -214,7 +213,8 @@ static int handle_alias(int *argcp, const char ***argv) const char git_version_string[] = GIT_VERSION; -#define NEEDS_PREFIX 1 +#define RUN_SETUP (1<<0) +#define USE_PAGER (1<<1) static void handle_internal_command(int argc, const char **argv, char **envp) { @@ -222,47 +222,55 @@ static void handle_internal_command(int argc, const char **argv, char **envp) static struct cmd_struct { const char *cmd; int (*fn)(int, const char **, const char *); - int prefix; + int option; } commands[] = { - { "version", cmd_version }, - { "help", cmd_help }, - { "log", cmd_log, NEEDS_PREFIX }, - { "whatchanged", cmd_whatchanged, NEEDS_PREFIX }, - { "show", cmd_show, NEEDS_PREFIX }, - { "push", cmd_push }, - { "format-patch", cmd_format_patch, NEEDS_PREFIX }, + { "add", cmd_add, RUN_SETUP }, + { "apply", cmd_apply }, + { "cat-file", cmd_cat_file, RUN_SETUP }, + { "checkout-index", cmd_checkout_index, RUN_SETUP }, + { "check-ref-format", cmd_check_ref_format }, + { "commit-tree", cmd_commit_tree, RUN_SETUP }, { "count-objects", cmd_count_objects }, - { "diff", cmd_diff, NEEDS_PREFIX }, - { "grep", cmd_grep, NEEDS_PREFIX }, - { "rm", cmd_rm, NEEDS_PREFIX }, - { "add", cmd_add, NEEDS_PREFIX }, - { "rev-list", cmd_rev_list, NEEDS_PREFIX }, - { "init-db", cmd_init_db }, + { "diff", cmd_diff, RUN_SETUP }, + { "diff-files", cmd_diff_files, RUN_SETUP }, + { "diff-index", cmd_diff_index, RUN_SETUP }, + { "diff-stages", cmd_diff_stages, RUN_SETUP }, + { "diff-tree", cmd_diff_tree, RUN_SETUP }, + { "fmt-merge-msg", cmd_fmt_merge_msg, RUN_SETUP }, + { "format-patch", cmd_format_patch, RUN_SETUP }, { "get-tar-commit-id", cmd_get_tar_commit_id }, - { "upload-tar", cmd_upload_tar }, - { "check-ref-format", cmd_check_ref_format }, - { "ls-files", cmd_ls_files, NEEDS_PREFIX }, - { "ls-tree", cmd_ls_tree, NEEDS_PREFIX }, - { "tar-tree", cmd_tar_tree, NEEDS_PREFIX }, - { "read-tree", cmd_read_tree, NEEDS_PREFIX }, - { "commit-tree", cmd_commit_tree, NEEDS_PREFIX }, - { "apply", cmd_apply }, - { "show-branch", cmd_show_branch, NEEDS_PREFIX }, - { "diff-files", cmd_diff_files, NEEDS_PREFIX }, - { "diff-index", cmd_diff_index, NEEDS_PREFIX }, - { "diff-stages", cmd_diff_stages, NEEDS_PREFIX }, - { "diff-tree", cmd_diff_tree, NEEDS_PREFIX }, - { "cat-file", cmd_cat_file, NEEDS_PREFIX }, - { "rev-parse", cmd_rev_parse, NEEDS_PREFIX }, - { "write-tree", cmd_write_tree, NEEDS_PREFIX }, - { "mailsplit", cmd_mailsplit }, + { "grep", cmd_grep, RUN_SETUP }, + { "help", cmd_help }, + { "init-db", cmd_init_db }, + { "log", cmd_log, RUN_SETUP | USE_PAGER }, + { "ls-files", cmd_ls_files, RUN_SETUP }, + { "ls-tree", cmd_ls_tree, RUN_SETUP }, { "mailinfo", cmd_mailinfo }, + { "mailsplit", cmd_mailsplit }, + { "mv", cmd_mv, RUN_SETUP }, + { "name-rev", cmd_name_rev, RUN_SETUP }, + { "pack-objects", cmd_pack_objects, RUN_SETUP }, + { "prune", cmd_prune, RUN_SETUP }, + { "prune-packed", cmd_prune_packed, RUN_SETUP }, + { "push", cmd_push, RUN_SETUP }, + { "read-tree", cmd_read_tree, RUN_SETUP }, + { "repo-config", cmd_repo_config }, + { "rev-list", cmd_rev_list, RUN_SETUP }, + { "rev-parse", cmd_rev_parse, RUN_SETUP }, + { "rm", cmd_rm, RUN_SETUP }, + { "show-branch", cmd_show_branch, RUN_SETUP }, + { "show", cmd_show, RUN_SETUP | USE_PAGER }, { "stripspace", cmd_stripspace }, - { "update-index", cmd_update_index, NEEDS_PREFIX }, - { "update-ref", cmd_update_ref, NEEDS_PREFIX }, - { "fmt-merge-msg", cmd_fmt_merge_msg, NEEDS_PREFIX }, - { "prune", cmd_prune, NEEDS_PREFIX }, - { "mv", cmd_mv, NEEDS_PREFIX }, + { "symbolic-ref", cmd_symbolic_ref, RUN_SETUP }, + { "tar-tree", cmd_tar_tree, RUN_SETUP }, + { "unpack-objects", cmd_unpack_objects, RUN_SETUP }, + { "update-index", cmd_update_index, RUN_SETUP }, + { "update-ref", cmd_update_ref, RUN_SETUP }, + { "upload-tar", cmd_upload_tar }, + { "version", cmd_version }, + { "whatchanged", cmd_whatchanged, RUN_SETUP | USE_PAGER }, + { "write-tree", cmd_write_tree, RUN_SETUP }, + { "verify-pack", cmd_verify_pack }, }; int i; @@ -279,8 +287,10 @@ static void handle_internal_command(int argc, const char **argv, char **envp) continue; prefix = NULL; - if (p->prefix) + if (p->option & RUN_SETUP) prefix = setup_git_directory(); + if (p->option & USE_PAGER) + setup_pager(); if (getenv("GIT_TRACE")) { int i; fprintf(stderr, "trace: built-in: git"); @@ -376,7 +386,7 @@ int main(int argc, const char **argv, char **envp) } if (errno == ENOENT) - cmd_usage(0, exec_path, "'%s' is not a git-command", cmd); + help_unknown_cmd(cmd); fprintf(stderr, "Failed to run command '%s': %s\n", cmd, strerror(errno));