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Diffstat (limited to 'git.c')
-rw-r--r--git.c72
1 files changed, 55 insertions, 17 deletions
diff --git a/git.c b/git.c
index cfec5d70ee..727aabcbbe 100644
--- a/git.c
+++ b/git.c
@@ -4,7 +4,7 @@
#include "quote.h"
const char git_usage_string[] =
- "git [--version] [--exec-path[=GIT_EXEC_PATH]] [-p|--paginate] [--bare] [--git-dir=GIT_DIR] [--help] COMMAND [ARGS]";
+ "git [--version] [--exec-path[=GIT_EXEC_PATH]] [-p|--paginate] [--bare] [--git-dir=GIT_DIR] [--work-tree=GIT_WORK_TREE] [--help] COMMAND [ARGS]";
static void prepend_to_path(const char *dir, int len)
{
@@ -28,7 +28,7 @@ static void prepend_to_path(const char *dir, int len)
free(path);
}
-static int handle_options(const char*** argv, int* argc)
+static int handle_options(const char*** argv, int* argc, int* envchanged)
{
int handled = 0;
@@ -64,14 +64,34 @@ static int handle_options(const char*** argv, int* argc)
usage(git_usage_string);
}
setenv(GIT_DIR_ENVIRONMENT, (*argv)[1], 1);
+ if (envchanged)
+ *envchanged = 1;
(*argv)++;
(*argc)--;
handled++;
} else if (!prefixcmp(cmd, "--git-dir=")) {
setenv(GIT_DIR_ENVIRONMENT, cmd + 10, 1);
+ if (envchanged)
+ *envchanged = 1;
+ } else if (!strcmp(cmd, "--work-tree")) {
+ if (*argc < 2) {
+ fprintf(stderr, "No directory given for --work-tree.\n" );
+ usage(git_usage_string);
+ }
+ setenv(GIT_WORK_TREE_ENVIRONMENT, (*argv)[1], 1);
+ if (envchanged)
+ *envchanged = 1;
+ (*argv)++;
+ (*argc)--;
+ } else if (!prefixcmp(cmd, "--work-tree=")) {
+ setenv(GIT_WORK_TREE_ENVIRONMENT, cmd + 12, 1);
+ if (envchanged)
+ *envchanged = 1;
} else if (!strcmp(cmd, "--bare")) {
static char git_dir[PATH_MAX+1];
setenv(GIT_DIR_ENVIRONMENT, getcwd(git_dir, sizeof(git_dir)), 1);
+ if (envchanged)
+ *envchanged = 1;
} else {
fprintf(stderr, "Unknown option: %s\n", cmd);
usage(git_usage_string);
@@ -150,7 +170,7 @@ static int split_cmdline(char *cmdline, const char ***argv)
static int handle_alias(int *argcp, const char ***argv)
{
- int nongit = 0, ret = 0, saved_errno = errno;
+ int nongit = 0, envchanged = 0, ret = 0, saved_errno = errno;
const char *subdir;
int count, option_count;
const char** new_argv;
@@ -161,6 +181,21 @@ static int handle_alias(int *argcp, const char ***argv)
git_config(git_alias_config);
if (alias_string) {
if (alias_string[0] == '!') {
+ if (*argcp > 1) {
+ int i, sz = PATH_MAX;
+ char *s = xmalloc(sz), *new_alias = s;
+
+ add_to_string(&s, &sz, alias_string, 0);
+ free(alias_string);
+ alias_string = new_alias;
+ for (i = 1; i < *argcp &&
+ !add_to_string(&s, &sz, " ", 0) &&
+ !add_to_string(&s, &sz, (*argv)[i], 1)
+ ; i++)
+ ; /* do nothing */
+ if (!sz)
+ die("Too many or long arguments");
+ }
trace_printf("trace: alias to shell cmd: %s => %s\n",
alias_command, alias_string + 1);
ret = system(alias_string + 1);
@@ -171,7 +206,11 @@ static int handle_alias(int *argcp, const char ***argv)
alias_string + 1, alias_command);
}
count = split_cmdline(alias_string, &new_argv);
- option_count = handle_options(&new_argv, &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 *));
new_argv -= option_count;
@@ -214,7 +253,7 @@ const char git_version_string[] = GIT_VERSION;
* require working tree to be present -- anything uses this needs
* RUN_SETUP for reading from the configuration file.
*/
-#define NOT_BARE (1<<2)
+#define NEED_WORK_TREE (1<<2)
struct cmd_struct {
const char *cmd;
@@ -233,10 +272,9 @@ static int run_command(struct cmd_struct *p, int argc, const char **argv)
prefix = setup_git_directory();
if (p->option & USE_PAGER)
setup_pager();
- if (p->option & NOT_BARE) {
- if (is_bare_repository() || is_inside_git_dir())
- die("%s must be run in a work tree", p->cmd);
- }
+ if ((p->option & NEED_WORK_TREE) &&
+ (!is_inside_work_tree() || is_inside_git_dir()))
+ die("%s must be run in a work tree", p->cmd);
trace_argv_printf(argv, argc, "trace: built-in: git");
status = p->fn(argc, argv, prefix);
@@ -264,7 +302,7 @@ static void handle_internal_command(int argc, const char **argv)
{
const char *cmd = argv[0];
static struct cmd_struct commands[] = {
- { "add", cmd_add, RUN_SETUP | NOT_BARE },
+ { "add", cmd_add, RUN_SETUP | NEED_WORK_TREE },
{ "annotate", cmd_annotate, RUN_SETUP | USE_PAGER },
{ "apply", cmd_apply },
{ "archive", cmd_archive },
@@ -274,9 +312,9 @@ static void handle_internal_command(int argc, const char **argv)
{ "cat-file", cmd_cat_file, RUN_SETUP },
{ "checkout-index", cmd_checkout_index, RUN_SETUP },
{ "check-ref-format", cmd_check_ref_format },
- { "check-attr", cmd_check_attr, RUN_SETUP | NOT_BARE },
+ { "check-attr", cmd_check_attr, RUN_SETUP | NEED_WORK_TREE },
{ "cherry", cmd_cherry, RUN_SETUP },
- { "cherry-pick", cmd_cherry_pick, RUN_SETUP | NOT_BARE },
+ { "cherry-pick", cmd_cherry_pick, RUN_SETUP | NEED_WORK_TREE },
{ "commit-tree", cmd_commit_tree, RUN_SETUP },
{ "config", cmd_config },
{ "count-objects", cmd_count_objects, RUN_SETUP },
@@ -304,7 +342,7 @@ static void handle_internal_command(int argc, const char **argv)
{ "mailsplit", cmd_mailsplit },
{ "merge-base", cmd_merge_base, RUN_SETUP },
{ "merge-file", cmd_merge_file },
- { "mv", cmd_mv, RUN_SETUP | NOT_BARE },
+ { "mv", cmd_mv, RUN_SETUP | NEED_WORK_TREE },
{ "name-rev", cmd_name_rev, RUN_SETUP },
{ "pack-objects", cmd_pack_objects, RUN_SETUP },
{ "pickaxe", cmd_blame, RUN_SETUP | USE_PAGER },
@@ -317,9 +355,9 @@ static void handle_internal_command(int argc, const char **argv)
{ "rerere", cmd_rerere, RUN_SETUP },
{ "rev-list", cmd_rev_list, RUN_SETUP },
{ "rev-parse", cmd_rev_parse, RUN_SETUP },
- { "revert", cmd_revert, RUN_SETUP | NOT_BARE },
- { "rm", cmd_rm, RUN_SETUP | NOT_BARE },
- { "runstatus", cmd_runstatus, RUN_SETUP | NOT_BARE },
+ { "revert", cmd_revert, RUN_SETUP | NEED_WORK_TREE },
+ { "rm", cmd_rm, RUN_SETUP | NEED_WORK_TREE },
+ { "runstatus", cmd_runstatus, RUN_SETUP | NEED_WORK_TREE },
{ "shortlog", cmd_shortlog, RUN_SETUP | USE_PAGER },
{ "show-branch", cmd_show_branch, RUN_SETUP },
{ "show", cmd_show, RUN_SETUP | USE_PAGER },
@@ -393,7 +431,7 @@ int main(int argc, const char **argv)
/* Look for flags.. */
argv++;
argc--;
- handle_options(&argv, &argc);
+ handle_options(&argv, &argc, NULL);
if (argc > 0) {
if (!prefixcmp(argv[0], "--"))
argv[0] += 2;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 01:16:54 +0000