From 9c5e66e97da8cadcc45a278c4e39a7d25674d4ff Mon Sep 17 00:00:00 2001 From: Johannes Schindelin Date: Sat, 20 Jan 2007 23:04:02 +0100 Subject: Teach revision machinery about --reverse The option --reverse reverses the order of the commits. [jc: with comments on rev_info.reverse from Simon 'corecode' Schubert.] Signed-off-by: Johannes Schindelin Signed-off-by: Junio C Hamano --- revision.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) (limited to 'revision.c') diff --git a/revision.c b/revision.c index ebd025064c..6726f736ed 100644 --- a/revision.c +++ b/revision.c @@ -1057,6 +1057,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch git_log_output_encoding = ""; continue; } + if (!strcmp(arg, "--reverse")) { + revs->reverse ^= 1; + continue; + } opts = diff_opt_parse(&revs->diffopt, argv+i, argc-i); if (opts > 0) { @@ -1285,6 +1289,40 @@ struct commit *get_revision(struct rev_info *revs) { struct commit *c = NULL; + if (revs->reverse) { + struct commit_list *list; + + /* + * rev_info.reverse is used to note the fact that we + * want to output the list of revisions in reverse + * order. To accomplish this goal, reverse can have + * different values: + * + * 0 do nothing + * 1 reverse the list + * 2 internal use: we have already obtained and + * reversed the list, now we only need to yield + * its items. + */ + + if (revs->reverse == 1) { + revs->reverse = 0; + list = NULL; + while ((c = get_revision(revs))) + commit_list_insert(c, &list); + revs->commits = list; + revs->reverse = 2; + } + + if (!revs->commits) + return NULL; + c = revs->commits->item; + list = revs->commits->next; + free(revs->commits); + revs->commits = list; + return c; + } + if (0 < revs->skip_count) { while ((c = get_revision_1(revs)) != NULL) { if (revs->skip_count-- <= 0) -- cgit v1.2.1