diff options
| -rw-r--r-- | git.c | 41 | ||||
| -rw-r--r-- | run-command.c | 2 | ||||
| -rwxr-xr-x | t/t0001-init.sh | 17 | ||||
| -rwxr-xr-x | t/t0002-gitfile.sh | 2 | ||||
| -rwxr-xr-x | t/t5601-clone.sh | 23 |
5 files changed, 65 insertions, 20 deletions
@@ -25,14 +25,14 @@ static const char *env_names[] = { GIT_PREFIX_ENVIRONMENT }; static char *orig_env[4]; -static int saved_environment; +static int saved_env_before_alias; -static void save_env(void) +static void save_env_before_alias(void) { int i; - if (saved_environment) + if (saved_env_before_alias) return; - saved_environment = 1; + saved_env_before_alias = 1; orig_cwd = xgetcwd(); for (i = 0; i < ARRAY_SIZE(env_names); i++) { orig_env[i] = getenv(env_names[i]); @@ -41,13 +41,16 @@ static void save_env(void) } } -static void restore_env(void) +static void restore_env(int external_alias) { int i; - if (orig_cwd && chdir(orig_cwd)) + if (!external_alias && orig_cwd && chdir(orig_cwd)) die_errno("could not move to %s", orig_cwd); free(orig_cwd); for (i = 0; i < ARRAY_SIZE(env_names); i++) { + if (external_alias && + !strcmp(env_names[i], GIT_PREFIX_ENVIRONMENT)) + continue; if (orig_env[i]) setenv(env_names[i], orig_env[i], 1); else @@ -226,14 +229,14 @@ static int handle_options(const char ***argv, int *argc, int *envchanged) static int handle_alias(int *argcp, const char ***argv) { int envchanged = 0, ret = 0, saved_errno = errno; - const char *subdir; int count, option_count; const char **new_argv; const char *alias_command; char *alias_string; int unused_nongit; - subdir = setup_git_directory_gently(&unused_nongit); + save_env_before_alias(); + setup_git_directory_gently(&unused_nongit); alias_command = (*argv)[0]; alias_string = alias_lookup(alias_command); @@ -243,6 +246,7 @@ static int handle_alias(int *argcp, const char ***argv) int argc = *argcp, i; commit_pager_choice(); + restore_env(1); /* build alias_argv */ alias_argv = xmalloc(sizeof(*alias_argv) * (argc + 1)); @@ -291,8 +295,7 @@ static int handle_alias(int *argcp, const char ***argv) ret = 1; } - if (subdir && chdir(subdir)) - die_errno("Cannot change to '%s'", subdir); + restore_env(0); errno = saved_errno; @@ -307,7 +310,6 @@ static int handle_alias(int *argcp, const char ***argv) * RUN_SETUP for reading from the configuration file. */ #define NEED_WORK_TREE (1<<3) -#define NO_SETUP (1<<4) struct cmd_struct { const char *cmd; @@ -389,7 +391,7 @@ static struct cmd_struct commands[] = { { "cherry", cmd_cherry, RUN_SETUP }, { "cherry-pick", cmd_cherry_pick, RUN_SETUP | NEED_WORK_TREE }, { "clean", cmd_clean, RUN_SETUP | NEED_WORK_TREE }, - { "clone", cmd_clone, NO_SETUP }, + { "clone", cmd_clone }, { "column", cmd_column, RUN_SETUP_GENTLY }, { "commit", cmd_commit, RUN_SETUP | NEED_WORK_TREE }, { "commit-tree", cmd_commit_tree, RUN_SETUP }, @@ -415,8 +417,8 @@ static struct cmd_struct commands[] = { { "hash-object", cmd_hash_object }, { "help", cmd_help }, { "index-pack", cmd_index_pack, RUN_SETUP_GENTLY }, - { "init", cmd_init_db, NO_SETUP }, - { "init-db", cmd_init_db, NO_SETUP }, + { "init", cmd_init_db }, + { "init-db", cmd_init_db }, { "interpret-trailers", cmd_interpret_trailers, RUN_SETUP_GENTLY }, { "log", cmd_log, RUN_SETUP }, { "ls-files", cmd_ls_files, RUN_SETUP }, @@ -530,9 +532,13 @@ static void handle_builtin(int argc, const char **argv) builtin = get_builtin(cmd); if (builtin) { - if (saved_environment && (builtin->option & NO_SETUP)) - restore_env(); - else + /* + * XXX: if we can figure out cases where it is _safe_ + * to do, we can avoid spawning a new process when + * saved_env_before_alias is true + * (i.e. setup_git_dir* has been run once) + */ + if (!saved_env_before_alias) exit(run_builtin(builtin, argc, argv)); } } @@ -590,7 +596,6 @@ static int run_argv(int *argcp, const char ***argv) */ if (done_alias) break; - save_env(); if (!handle_alias(argcp, argv)) break; done_alias = 1; diff --git a/run-command.c b/run-command.c index 51fd72c427..cdf0184579 100644 --- a/run-command.c +++ b/run-command.c @@ -247,7 +247,7 @@ static int wait_or_whine(pid_t pid, const char *argv0, int in_signal) error("waitpid is confused (%s)", argv0); } else if (WIFSIGNALED(status)) { code = WTERMSIG(status); - if (code != SIGINT && code != SIGQUIT) + if (code != SIGINT && code != SIGQUIT && code != SIGPIPE) error("%s died of signal %d", argv0, code); /* * This return value is chosen so that code & 0xff diff --git a/t/t0001-init.sh b/t/t0001-init.sh index f91bbcfc85..295aa5949a 100755 --- a/t/t0001-init.sh +++ b/t/t0001-init.sh @@ -87,6 +87,23 @@ test_expect_success 'plain nested in bare through aliased command' ' check_config bare-ancestor-aliased.git/plain-nested/.git false unset ' +test_expect_success 'No extra GIT_* on alias scripts' ' + ( + env | sed -ne "/^GIT_/s/=.*//p" && + echo GIT_PREFIX && # setup.c + echo GIT_TEXTDOMAINDIR # wrapper-for-bin.sh + ) | sort | uniq >expected && + cat <<-\EOF >script && + #!/bin/sh + env | sed -ne "/^GIT_/s/=.*//p" | sort >actual + exit 0 + EOF + chmod 755 script && + git config alias.script \!./script && + ( mkdir sub && cd sub && git script ) && + test_cmp expected actual +' + test_expect_success 'plain with GIT_WORK_TREE' ' mkdir plain-wt && test_must_fail env GIT_WORK_TREE="$(pwd)/plain-wt" git init plain-wt diff --git a/t/t0002-gitfile.sh b/t/t0002-gitfile.sh index 3afe0125c9..9670e8cbe6 100755 --- a/t/t0002-gitfile.sh +++ b/t/t0002-gitfile.sh @@ -99,7 +99,7 @@ test_expect_success 'check rev-list' ' test "$SHA" = "$(git rev-list HEAD)" ' -test_expect_failure 'setup_git_dir twice in subdir' ' +test_expect_success 'setup_git_dir twice in subdir' ' git init sgd && ( cd sgd && diff --git a/t/t5601-clone.sh b/t/t5601-clone.sh index 9b34f3c615..31b46582d7 100755 --- a/t/t5601-clone.sh +++ b/t/t5601-clone.sh @@ -65,6 +65,29 @@ test_expect_success 'clone respects GIT_WORK_TREE' ' ' +test_expect_success 'clone from hooks' ' + + test_create_repo r0 && + cd r0 && + test_commit initial && + cd .. && + git init r1 && + cd r1 && + cat >.git/hooks/pre-commit <<-\EOF && + #!/bin/sh + git clone ../r0 ../r2 + exit 1 + EOF + chmod u+x .git/hooks/pre-commit && + : >file && + git add file && + test_must_fail git commit -m invoke-hook && + cd .. && + test_cmp r0/.git/HEAD r2/.git/HEAD && + test_cmp r0/initial.t r2/initial.t + +' + test_expect_success 'clone creates intermediate directories' ' git clone src long/path/to/dst && |