From 2d7671ef43946cdfce140e6e9c3ca1eeea361676 Mon Sep 17 00:00:00 2001 From: Will Palmer Date: Sun, 2 May 2010 12:00:43 +0100 Subject: [PATCH] pretty: add infrastructure for commit format aliases Allow named commit formats to alias one another; find_commit_format() will recursively dereference aliases when they are specified. At this point, there are no aliases specified and there is no way to specify an alias, but the support is there for any which are added. If an alias loop is detected, the function die()s. Signed-off-by: Will Palmer Reviewed-by: Jonathan Nieder Signed-off-by: Junio C Hamano --- pretty.c | 27 ++++++++++++++++++++++++--- 1 file changed, 24 insertions(+), 3 deletions(-) diff --git a/pretty.c b/pretty.c index f795a9a18..c2c8901f8 100644 --- a/pretty.c +++ b/pretty.c @@ -15,6 +15,8 @@ static struct cmt_fmt_map { const char *name; enum cmit_fmt format; int is_tformat; + int is_alias; + const char *user_format; } *commit_formats; static size_t commit_formats_len; static struct cmt_fmt_map *find_commit_format(const char *sought); @@ -46,14 +48,18 @@ static void setup_commit_formats(void) sizeof(*builtin_formats)*ARRAY_SIZE(builtin_formats)); } -static struct cmt_fmt_map *find_commit_format(const char *sought) +static struct cmt_fmt_map *find_commit_format_recursive(const char *sought, + const char *original, + int num_redirections) { struct cmt_fmt_map *found = NULL; size_t found_match_len = 0; int i; - if (!commit_formats) - setup_commit_formats(); + if (num_redirections >= commit_formats_len) + die("invalid --pretty format: " + "'%s' references an alias which points to itself", + original); for (i = 0; i < commit_formats_len; i++) { size_t match_len; @@ -67,9 +73,24 @@ static struct cmt_fmt_map *find_commit_format(const char *sought) found_match_len = match_len; } } + + if (found && found->is_alias) { + found = find_commit_format_recursive(found->user_format, + original, + num_redirections+1); + } + return found; } +static struct cmt_fmt_map *find_commit_format(const char *sought) +{ + if (!commit_formats) + setup_commit_formats(); + + return find_commit_format_recursive(sought, sought, 0); +} + void get_commit_format(const char *arg, struct rev_info *rev) { struct cmt_fmt_map *commit_format; -- 2.30.2