diff options
| -rw-r--r-- | builtin/commit.c | 22 | ||||
| -rw-r--r-- | cache.h | 16 | ||||
| -rw-r--r-- | ident.c | 68 | ||||
| -rw-r--r-- | pretty.c | 64 | ||||
| -rwxr-xr-x | t/t7503-pre-commit-hook.sh | 18 |
5 files changed, 141 insertions, 47 deletions
diff --git a/builtin/commit.c b/builtin/commit.c index 3714582e19..7808be30e1 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -533,9 +533,20 @@ static int is_a_merge(const struct commit *current_head) static const char sign_off_header[] = "Signed-off-by: "; +static void export_one(const char *var, const char *s, const char *e, int hack) +{ + struct strbuf buf = STRBUF_INIT; + if (hack) + strbuf_addch(&buf, hack); + strbuf_addf(&buf, "%.*s", (int)(e - s), s); + setenv(var, buf.buf, 1); + strbuf_release(&buf); +} + static void determine_author_info(struct strbuf *author_ident) { char *name, *email, *date; + struct ident_split author; name = getenv("GIT_AUTHOR_NAME"); email = getenv("GIT_AUTHOR_EMAIL"); @@ -585,6 +596,11 @@ static void determine_author_info(struct strbuf *author_ident) date = force_date; strbuf_addstr(author_ident, fmt_ident(name, email, date, IDENT_ERROR_ON_NO_NAME)); + if (!split_ident_line(&author, author_ident->buf, author_ident->len)) { + export_one("GIT_AUTHOR_NAME", author.name_begin, author.name_end, 0); + export_one("GIT_AUTHOR_EMAIL", author.mail_begin, author.mail_end, 0); + export_one("GIT_AUTHOR_DATE", author.date_begin, author.tz_end, '@'); + } } static int ends_rfc2822_footer(struct strbuf *sb) @@ -652,6 +668,9 @@ static int prepare_to_commit(const char *index_file, const char *prefix, int ident_shown = 0; int clean_message_contents = (cleanup_mode != CLEANUP_NONE); + /* This checks and barfs if author is badly specified */ + determine_author_info(author_ident); + if (!no_verify && run_hook(index_file, "pre-commit", NULL)) return 0; @@ -771,9 +790,6 @@ static int prepare_to_commit(const char *index_file, const char *prefix, strbuf_release(&sb); - /* This checks and barfs if author is badly specified */ - determine_author_info(author_ident); - /* This checks if committer ident is explicitly given */ strbuf_addstr(&committer_ident, git_committer_info(0)); if (use_editor && include_status) { @@ -928,6 +928,22 @@ extern const char *fmt_name(const char *name, const char *email); extern const char *git_editor(void); extern const char *git_pager(int stdout_is_tty); +struct ident_split { + const char *name_begin; + const char *name_end; + const char *mail_begin; + const char *mail_end; + const char *date_begin; + const char *date_end; + const char *tz_begin; + const char *tz_end; +}; +/* + * Signals an success with 0, but time part of the result may be NULL + * if the input lacks timestamp and zone + */ +extern int split_ident_line(struct ident_split *, const char *, int); + struct checkout { const char *base_dir; int base_dir_len; @@ -220,6 +220,74 @@ static int copy(char *buf, size_t size, int offset, const char *src) return offset; } +/* + * Reverse of fmt_ident(); given an ident line, split the fields + * to allow the caller to parse it. + * Signal a success by returning 0, but date/tz fields of the result + * can still be NULL if the input line only has the name/email part + * (e.g. reading from a reflog entry). + */ +int split_ident_line(struct ident_split *split, const char *line, int len) +{ + const char *cp; + size_t span; + int status = -1; + + memset(split, 0, sizeof(*split)); + + split->name_begin = line; + for (cp = line; *cp && cp < line + len; cp++) + if (*cp == '<') { + split->mail_begin = cp + 1; + break; + } + if (!split->mail_begin) + return status; + + for (cp = split->mail_begin - 2; line < cp; cp--) + if (!isspace(*cp)) { + split->name_end = cp + 1; + break; + } + if (!split->name_end) + return status; + + for (cp = split->mail_begin; cp < line + len; cp++) + if (*cp == '>') { + split->mail_end = cp; + break; + } + if (!split->mail_end) + return status; + + for (cp = split->mail_end + 1; cp < line + len && isspace(*cp); cp++) + ; + if (line + len <= cp) + goto person_only; + split->date_begin = cp; + span = strspn(cp, "0123456789"); + if (!span) + goto person_only; + split->date_end = split->date_begin + span; + for (cp = split->date_end; cp < line + len && isspace(*cp); cp++) + ; + if (line + len <= cp || (*cp != '+' && *cp != '-')) + goto person_only; + split->tz_begin = cp; + span = strspn(cp + 1, "0123456789"); + if (!span) + goto person_only; + split->tz_end = split->tz_begin + 1 + span; + return 0; + +person_only: + split->date_begin = NULL; + split->date_end = NULL; + split->tz_begin = NULL; + split->tz_end = NULL; + return 0; +} + static const char *env_hint = "\n" "*** Please tell me who you are.\n" @@ -531,41 +531,24 @@ static size_t format_person_part(struct strbuf *sb, char part, { /* currently all placeholders have same length */ const int placeholder_len = 2; - int start, end, tz = 0; + int tz; unsigned long date = 0; - char *ep; - const char *name_start, *name_end, *mail_start, *mail_end, *msg_end = msg+len; char person_name[1024]; char person_mail[1024]; + struct ident_split s; + const char *name_start, *name_end, *mail_start, *mail_end; - /* advance 'end' to point to email start delimiter */ - for (end = 0; end < len && msg[end] != '<'; end++) - ; /* do nothing */ - - /* - * When end points at the '<' that we found, it should have - * matching '>' later, which means 'end' must be strictly - * below len - 1. - */ - if (end >= len - 2) + if (split_ident_line(&s, msg, len) < 0) goto skip; - /* Seek for both name and email part */ - name_start = msg; - name_end = msg+end; - while (name_end > name_start && isspace(*(name_end-1))) - name_end--; - mail_start = msg+end+1; - mail_end = mail_start; - while (mail_end < msg_end && *mail_end != '>') - mail_end++; - if (mail_end == msg_end) - goto skip; - end = mail_end-msg; + name_start = s.name_begin; + name_end = s.name_end; + mail_start = s.mail_begin; + mail_end = s.mail_end; if (part == 'N' || part == 'E') { /* mailmap lookup */ - strlcpy(person_name, name_start, name_end-name_start+1); - strlcpy(person_mail, mail_start, mail_end-mail_start+1); + strlcpy(person_name, name_start, name_end - name_start + 1); + strlcpy(person_mail, mail_start, mail_end - mail_start + 1); mailmap_name(person_mail, sizeof(person_mail), person_name, sizeof(person_name)); name_start = person_name; name_end = name_start + strlen(person_name); @@ -581,28 +564,20 @@ static size_t format_person_part(struct strbuf *sb, char part, return placeholder_len; } - /* advance 'start' to point to date start delimiter */ - for (start = end + 1; start < len && isspace(msg[start]); start++) - ; /* do nothing */ - if (start >= len) - goto skip; - date = strtoul(msg + start, &ep, 10); - if (msg + start == ep) + if (!s.date_begin) goto skip; + date = strtoul(s.date_begin, NULL, 10); + if (part == 't') { /* date, UNIX timestamp */ - strbuf_add(sb, msg + start, ep - (msg + start)); + strbuf_add(sb, s.date_begin, s.date_end - s.date_begin); return placeholder_len; } /* parse tz */ - for (start = ep - msg + 1; start < len && isspace(msg[start]); start++) - ; /* do nothing */ - if (start + 1 < len) { - tz = strtoul(msg + start + 1, NULL, 10); - if (msg[start] == '-') - tz = -tz; - } + tz = strtoul(s.tz_begin + 1, NULL, 10); + if (*s.tz_begin == '-') + tz = -tz; switch (part) { case 'd': /* date */ @@ -621,8 +596,9 @@ static size_t format_person_part(struct strbuf *sb, char part, skip: /* - * bogus commit, 'sb' cannot be updated, but we still need to - * compute a valid return value. + * reading from either a bogus commit, or a reflog entry with + * %gn, %ge, etc.; 'sb' cannot be updated, but we still need + * to compute a valid return value. */ if (part == 'n' || part == 'e' || part == 't' || part == 'd' || part == 'D' || part == 'r' || part == 'i') diff --git a/t/t7503-pre-commit-hook.sh b/t/t7503-pre-commit-hook.sh index ee7f0cd459..984889b39d 100755 --- a/t/t7503-pre-commit-hook.sh +++ b/t/t7503-pre-commit-hook.sh @@ -118,4 +118,22 @@ test_expect_success 'with failing hook requiring GIT_PREFIX' ' git checkout -- file ' +test_expect_success 'check the author in hook' ' + write_script "$HOOK" <<-\EOF && + test "$GIT_AUTHOR_NAME" = "New Author" && + test "$GIT_AUTHOR_EMAIL" = "newauthor@example.com" + EOF + test_must_fail git commit --allow-empty -m "by a.u.thor" && + ( + GIT_AUTHOR_NAME="New Author" && + GIT_AUTHOR_EMAIL="newauthor@example.com" && + export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL && + git commit --allow-empty -m "by new.author via env" && + git show -s + ) && + git commit --author="New Author <newauthor@example.com>" \ + --allow-empty -m "by new.author via command line" && + git show -s +' + test_done |