| /* |
| * GIT - The information manager from hell |
| * |
| * Copyright (C) Eric Biederman, 2005 |
| */ |
| #include "builtin.h" |
| #include "config.h" |
| #include "editor.h" |
| #include "ident.h" |
| #include "pager.h" |
| #include "refs.h" |
| |
| static const char var_usage[] = "git var (-l | <variable>)"; |
| |
| static const char *editor(int flag) |
| { |
| return git_editor(); |
| } |
| |
| static const char *sequence_editor(int flag) |
| { |
| return git_sequence_editor(); |
| } |
| |
| static const char *pager(int flag) |
| { |
| const char *pgm = git_pager(1); |
| |
| if (!pgm) |
| pgm = "cat"; |
| return pgm; |
| } |
| |
| static const char *default_branch(int flag) |
| { |
| return git_default_branch_name(1); |
| } |
| |
| struct git_var { |
| const char *name; |
| const char *(*read)(int); |
| }; |
| static struct git_var git_vars[] = { |
| { "GIT_COMMITTER_IDENT", git_committer_info }, |
| { "GIT_AUTHOR_IDENT", git_author_info }, |
| { "GIT_EDITOR", editor }, |
| { "GIT_SEQUENCE_EDITOR", sequence_editor }, |
| { "GIT_PAGER", pager }, |
| { "GIT_DEFAULT_BRANCH", default_branch }, |
| { "", NULL }, |
| }; |
| |
| static void list_vars(void) |
| { |
| struct git_var *ptr; |
| const char *val; |
| |
| for (ptr = git_vars; ptr->read; ptr++) |
| if ((val = ptr->read(0))) |
| printf("%s=%s\n", ptr->name, val); |
| } |
| |
| static const struct git_var *get_git_var(const char *var) |
| { |
| struct git_var *ptr; |
| for (ptr = git_vars; ptr->read; ptr++) { |
| if (strcmp(var, ptr->name) == 0) { |
| return ptr; |
| } |
| } |
| return NULL; |
| } |
| |
| static int show_config(const char *var, const char *value, void *cb) |
| { |
| if (value) |
| printf("%s=%s\n", var, value); |
| else |
| printf("%s\n", var); |
| return git_default_config(var, value, cb); |
| } |
| |
| int cmd_var(int argc, const char **argv, const char *prefix UNUSED) |
| { |
| const struct git_var *git_var; |
| const char *val; |
| |
| if (argc != 2) |
| usage(var_usage); |
| |
| if (strcmp(argv[1], "-l") == 0) { |
| git_config(show_config, NULL); |
| list_vars(); |
| return 0; |
| } |
| git_config(git_default_config, NULL); |
| |
| git_var = get_git_var(argv[1]); |
| if (!git_var) |
| usage(var_usage); |
| |
| val = git_var->read(IDENT_STRICT); |
| if (!val) |
| return 1; |
| |
| printf("%s\n", val); |
| |
| return 0; |
| } |