diff options
Diffstat (limited to 'git.c')
-rw-r--r-- | git.c | 91 |
1 files changed, 34 insertions, 57 deletions
@@ -1,4 +1,5 @@ #include "builtin.h" +#include "config.h" #include "exec_cmd.h" #include "help.h" #include "run-command.h" @@ -16,50 +17,8 @@ const char git_more_info_string[] = "to read about a specific subcommand or concept."); static int use_pager = -1; -static char *orig_cwd; -static const char *env_names[] = { - GIT_DIR_ENVIRONMENT, - GIT_WORK_TREE_ENVIRONMENT, - GIT_IMPLICIT_WORK_TREE_ENVIRONMENT, - GIT_PREFIX_ENVIRONMENT -}; -static char *orig_env[4]; -static int save_restore_env_balance; - -static void save_env_before_alias(void) -{ - int i; - assert(save_restore_env_balance == 0); - save_restore_env_balance = 1; - orig_cwd = xgetcwd(); - for (i = 0; i < ARRAY_SIZE(env_names); i++) { - orig_env[i] = getenv(env_names[i]); - orig_env[i] = xstrdup_or_null(orig_env[i]); - } -} - -static void restore_env(int external_alias) -{ - int i; - - assert(save_restore_env_balance == 1); - save_restore_env_balance = 0; - 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); - free(orig_env[i]); - } else { - unsetenv(env_names[i]); - } - } -} +static void list_builtins(void); static void commit_pager_choice(void) { switch (use_pager) { @@ -74,6 +33,16 @@ static void commit_pager_choice(void) { } } +void setup_auto_pager(const char *cmd, int def) +{ + if (use_pager != -1 || pager_in_use()) + return; + use_pager = check_pager_config(cmd); + if (use_pager == -1) + use_pager = def; + commit_pager_choice(); +} + static int handle_options(const char ***argv, int *argc, int *envchanged) { const char **orig_argv = *argv; @@ -232,6 +201,9 @@ static int handle_options(const char ***argv, int *argc, int *envchanged) } (*argv)++; (*argc)--; + } else if (!strcmp(cmd, "--list-builtins")) { + list_builtins(); + exit(0); } else { fprintf(stderr, "Unknown option: %s\n", cmd); usage(git_usage_string); @@ -250,19 +222,18 @@ static int handle_alias(int *argcp, const char ***argv) const char **new_argv; const char *alias_command; char *alias_string; - int unused_nongit; - - save_env_before_alias(); - setup_git_directory_gently(&unused_nongit); alias_command = (*argv)[0]; alias_string = alias_lookup(alias_command); if (alias_string) { if (alias_string[0] == '!') { struct child_process child = CHILD_PROCESS_INIT; + int nongit_ok; + + /* Aliases expect GIT_PREFIX, GIT_DIR etc to be set */ + setup_git_directory_gently(&nongit_ok); commit_pager_choice(); - restore_env(1); child.use_shell = 1; argv_array_push(&child.args, alias_string + 1); @@ -308,8 +279,6 @@ static int handle_alias(int *argcp, const char ***argv) ret = 1; } - restore_env(0); - errno = saved_errno; return ret; @@ -324,6 +293,7 @@ static int handle_alias(int *argcp, const char ***argv) */ #define NEED_WORK_TREE (1<<3) #define SUPPORT_SUPER_PREFIX (1<<4) +#define DELAY_PAGER_CONFIG (1<<5) struct cmd_struct { const char *cmd; @@ -347,7 +317,8 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv) prefix = setup_git_directory_gently(&nongit_ok); } - if (use_pager == -1 && p->option & (RUN_SETUP | RUN_SETUP_GENTLY)) + if (use_pager == -1 && p->option & (RUN_SETUP | RUN_SETUP_GENTLY) && + !(p->option & DELAY_PAGER_CONFIG)) use_pager = check_pager_config(p->cmd); if (use_pager == -1 && p->option & USE_PAGER) use_pager = 1; @@ -361,8 +332,6 @@ 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); - if (prefix) - die("can't use --super-prefix from a subdirectory"); } if (!help && p->option & NEED_WORK_TREE) @@ -435,7 +404,7 @@ static struct cmd_struct commands[] = { { "fsck-objects", cmd_fsck, RUN_SETUP }, { "gc", cmd_gc, RUN_SETUP }, { "get-tar-commit-id", cmd_get_tar_commit_id }, - { "grep", cmd_grep, RUN_SETUP_GENTLY | SUPPORT_SUPER_PREFIX }, + { "grep", cmd_grep, RUN_SETUP_GENTLY }, { "hash-object", cmd_hash_object }, { "help", cmd_help }, { "index-pack", cmd_index_pack, RUN_SETUP_GENTLY }, @@ -443,7 +412,7 @@ static struct cmd_struct commands[] = { { "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 | SUPPORT_SUPER_PREFIX }, + { "ls-files", cmd_ls_files, RUN_SETUP }, { "ls-remote", cmd_ls_remote, RUN_SETUP_GENTLY }, { "ls-tree", cmd_ls_tree, RUN_SETUP }, { "mailinfo", cmd_mailinfo, RUN_SETUP_GENTLY }, @@ -473,6 +442,7 @@ static struct cmd_struct commands[] = { { "pull", cmd_pull, RUN_SETUP | NEED_WORK_TREE }, { "push", cmd_push, RUN_SETUP }, { "read-tree", cmd_read_tree, RUN_SETUP | SUPPORT_SUPER_PREFIX}, + { "rebase--helper", cmd_rebase__helper, RUN_SETUP | NEED_WORK_TREE }, { "receive-pack", cmd_receive_pack }, { "reflog", cmd_reflog, RUN_SETUP }, { "remote", cmd_remote, RUN_SETUP }, @@ -496,7 +466,7 @@ static struct cmd_struct commands[] = { { "stripspace", cmd_stripspace }, { "submodule--helper", cmd_submodule__helper, RUN_SETUP | SUPPORT_SUPER_PREFIX}, { "symbolic-ref", cmd_symbolic_ref, RUN_SETUP }, - { "tag", cmd_tag, RUN_SETUP }, + { "tag", cmd_tag, RUN_SETUP | DELAY_PAGER_CONFIG }, { "unpack-file", cmd_unpack_file, RUN_SETUP }, { "unpack-objects", cmd_unpack_objects, RUN_SETUP }, { "update-index", cmd_update_index, RUN_SETUP }, @@ -530,6 +500,13 @@ int is_builtin(const char *s) return !!get_builtin(s); } +static void list_builtins(void) +{ + int i; + for (i = 0; i < ARRAY_SIZE(commands); i++) + printf("%s\n", commands[i].cmd); +} + #ifdef STRIP_EXTENSION static void strip_extension(const char **argv) { @@ -582,7 +559,7 @@ static void execv_dashed_external(const char **argv) if (get_super_prefix()) die("%s doesn't support --super-prefix", argv[0]); - if (use_pager == -1) + if (use_pager == -1 && !is_builtin(argv[0])) use_pager = check_pager_config(argv[0]); commit_pager_choice(); |