diff options
Diffstat (limited to 'ident.c')
| -rw-r--r-- | ident.c | 111 |
1 files changed, 62 insertions, 49 deletions
@@ -9,10 +9,10 @@ static char git_default_date[50]; -static void copy_gecos(struct passwd *w, char *name, int sz) +static void copy_gecos(const struct passwd *w, char *name, size_t sz) { char *src, *dst; - int len, nlen; + size_t len, nlen; nlen = strlen(w->pw_name); @@ -43,13 +43,13 @@ static void copy_gecos(struct passwd *w, char *name, int sz) } -static void copy_email(struct passwd *pw) +static void copy_email(const struct passwd *pw) { /* * Make up a fake email address * (name + '@' + hostname [+ '.' + domainname]) */ - int len = strlen(pw->pw_name); + size_t len = strlen(pw->pw_name); if (len > sizeof(git_default_email)/2) die("Your sysadmin must hate you!"); memcpy(git_default_email, pw->pw_name, len); @@ -83,11 +83,18 @@ static void setup_ident(void) } if (!git_default_email[0]) { - if (!pw) - pw = getpwuid(getuid()); - if (!pw) - die("You don't exist. Go away!"); - copy_email(pw); + const char *email = getenv("EMAIL"); + + if (email && email[0]) + strlcpy(git_default_email, email, + sizeof(git_default_email)); + else { + if (!pw) + pw = getpwuid(getuid()); + if (!pw) + die("You don't exist. Go away!"); + copy_email(pw); + } } /* And set the default date */ @@ -95,9 +102,9 @@ static void setup_ident(void) datestamp(git_default_date, sizeof(git_default_date)); } -static int add_raw(char *buf, int size, int offset, const char *str) +static int add_raw(char *buf, size_t size, int offset, const char *str) { - int len = strlen(str); + size_t len = strlen(str); if (offset + len > size) return size; memcpy(buf + offset, str, len); @@ -106,34 +113,25 @@ static int add_raw(char *buf, int size, int offset, const char *str) static int crud(unsigned char c) { - static char crud_array[256]; - static int crud_array_initialized = 0; - - if (!crud_array_initialized) { - int k; - - for (k = 0; k <= 31; ++k) crud_array[k] = 1; - crud_array[' '] = 1; - crud_array['.'] = 1; - crud_array[','] = 1; - crud_array[':'] = 1; - crud_array[';'] = 1; - crud_array['<'] = 1; - crud_array['>'] = 1; - crud_array['"'] = 1; - crud_array['\''] = 1; - crud_array_initialized = 1; - } - return crud_array[c]; + return c <= 32 || + c == '.' || + c == ',' || + c == ':' || + c == ';' || + c == '<' || + c == '>' || + c == '"' || + c == '\\' || + c == '\''; } /* * Copy over a string to the destination, but avoid special * characters ('\n', '<' and '>') and remove crud at the end */ -static int copy(char *buf, int size, int offset, const char *src) +static int copy(char *buf, size_t size, int offset, const char *src) { - int i, len; + size_t i, len; unsigned char c; /* Remove crud from the beginning.. */ @@ -155,7 +153,7 @@ static int copy(char *buf, int size, int offset, const char *src) /* * Copy the rest to the buffer, but avoid the special * characters '\n' '<' and '>' that act as delimiters on - * a identification line + * an identification line */ for (i = 0; i < len; i++) { c = *src++; @@ -174,23 +172,26 @@ static const char au_env[] = "GIT_AUTHOR_NAME"; static const char co_env[] = "GIT_COMMITTER_NAME"; static const char *env_hint = "\n" -"*** Your name cannot be determined from your system services (gecos).\n" +"*** Please tell me who you are.\n" "\n" "Run\n" "\n" -" git config user.email \"you@email.com\"\n" -" git config user.name \"Your Name\"\n" +" git config --global user.email \"you@example.com\"\n" +" git config --global user.name \"Your Name\"\n" "\n" -"To set the identity in this repository.\n" -"Add --global to set your account\'s default\n" +"to set your account\'s default identity.\n" +"Omit --global to set the identity only in this repository.\n" "\n"; const char *fmt_ident(const char *name, const char *email, - const char *date_str, int error_on_no_name) + const char *date_str, int flag) { static char buffer[1000]; char date[50]; int i; + int error_on_no_name = (flag & IDENT_ERROR_ON_NO_NAME); + int warn_on_no_name = (flag & IDENT_WARN_ON_NO_NAME); + int name_addr_only = (flag & IDENT_NO_DATE); setup_ident(); if (!name) @@ -201,12 +202,12 @@ const char *fmt_ident(const char *name, const char *email, if (!*name) { struct passwd *pw; - if (0 <= error_on_no_name && + if ((warn_on_no_name || error_on_no_name) && name == git_default_name && env_hint) { fprintf(stderr, env_hint, au_env, co_env); - env_hint = NULL; /* warn only once, for "git-var -l" */ + env_hint = NULL; /* warn only once, for "git var -l" */ } - if (0 < error_on_no_name) + if (error_on_no_name) die("empty ident %s <%s> not allowed", name, email); pw = getpwuid(getuid()); if (!pw) @@ -217,32 +218,44 @@ const char *fmt_ident(const char *name, const char *email, } strcpy(date, git_default_date); - if (date_str) + if (!name_addr_only && date_str) parse_date(date_str, date, sizeof(date)); i = copy(buffer, sizeof(buffer), 0, name); i = add_raw(buffer, sizeof(buffer), i, " <"); i = copy(buffer, sizeof(buffer), i, email); - i = add_raw(buffer, sizeof(buffer), i, "> "); - i = copy(buffer, sizeof(buffer), i, date); + if (!name_addr_only) { + i = add_raw(buffer, sizeof(buffer), i, "> "); + i = copy(buffer, sizeof(buffer), i, date); + } else { + i = add_raw(buffer, sizeof(buffer), i, ">"); + } if (i >= sizeof(buffer)) die("Impossibly long personal identifier"); buffer[i] = 0; return buffer; } -const char *git_author_info(int error_on_no_name) +const char *fmt_name(const char *name, const char *email) +{ + return fmt_ident(name, email, NULL, IDENT_ERROR_ON_NO_NAME | IDENT_NO_DATE); +} + +const char *git_author_info(int flag) { return fmt_ident(getenv("GIT_AUTHOR_NAME"), getenv("GIT_AUTHOR_EMAIL"), getenv("GIT_AUTHOR_DATE"), - error_on_no_name); + flag); } -const char *git_committer_info(int error_on_no_name) +const char *git_committer_info(int flag) { + if (getenv("GIT_COMMITTER_NAME") && + getenv("GIT_COMMITTER_EMAIL")) + user_ident_explicitly_given = 1; return fmt_ident(getenv("GIT_COMMITTER_NAME"), getenv("GIT_COMMITTER_EMAIL"), getenv("GIT_COMMITTER_DATE"), - error_on_no_name); + flag); } |