From e27ddb64568412b75035a05366c9f091153155ed Mon Sep 17 00:00:00 2001 From: Junio C Hamano Date: Fri, 31 Aug 2012 14:54:18 -0700 Subject: [PATCH] split_ident_line(): make best effort when parsing author/committer line Commits made by ancient version of Git allowed committer without human readable name, like this (00213b17c in the kernel history): tree 6947dba41f8b0e7fe7bccd41a4840d6de6a27079 parent 352dd1df32e672be4cff71132eb9c06a257872fe author Petr Baudis 1135223044 +0100 committer 1136151043 +0100 kconfig: Remove support for lxdialog --checklist ... Signed-off-by: Petr Baudis Signed-off-by: Sam Ravnborg When fed such a commit, --format='%ci' fails to parse it, and gives back an empty string. Update the split_ident_line() to be a bit more lenient when parsing, but make sure the caller that wants to pick up sane value from its return value does its own validation. Signed-off-by: Junio C Hamano --- builtin/commit.c | 17 ++++++++++++++++- ident.c | 6 ++++-- 2 files changed, 20 insertions(+), 3 deletions(-) diff --git a/builtin/commit.c b/builtin/commit.c index 20cef95d60..62028e7b44 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -478,6 +478,20 @@ static void export_one(const char *var, const char *s, const char *e, int hack) strbuf_release(&buf); } +static int sane_ident_split(struct ident_split *person) +{ + if (!person->name_begin || !person->name_end || + person->name_begin == person->name_end) + return 0; /* no human readable name */ + if (!person->mail_begin || !person->mail_end || + person->mail_begin == person->mail_end) + return 0; /* no usable mail */ + if (!person->date_begin || !person->date_end || + !person->tz_begin || !person->tz_end) + return 0; + return 1; +} + static void determine_author_info(struct strbuf *author_ident) { char *name, *email, *date; @@ -530,7 +544,8 @@ static void determine_author_info(struct strbuf *author_ident) if (force_date) date = force_date; strbuf_addstr(author_ident, fmt_ident(name, email, date, IDENT_STRICT)); - if (!split_ident_line(&author, author_ident->buf, author_ident->len)) { + if (!split_ident_line(&author, author_ident->buf, author_ident->len) && + sane_ident_split(&author)) { 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, '@'); diff --git a/ident.c b/ident.c index 443c0751bd..484e0a9803 100644 --- a/ident.c +++ b/ident.c @@ -210,8 +210,10 @@ int split_ident_line(struct ident_split *split, const char *line, int len) split->name_end = cp + 1; break; } - if (!split->name_end) - return status; + if (!split->name_end) { + /* no human readable name */ + split->name_end = split->name_begin; + } for (cp = split->mail_begin; cp < line + len; cp++) if (*cp == '>') {