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Tentative built-in "git show"
This uses the "--no-walk" flag that I never actually implemented (but I'm sure I mentioned it) to make "git show" be essentially the same thing as "git whatchanged --no-walk". It just refuses to add more interesting parents to the revision walking history, so you don't actually get any history, you just get the commit you asked for. I was going to add "--no-walk" as a real argument flag to git-rev-list too, but I'm not sure anybody actually needs it. Although it might be useful for porcelain, so I left the door open. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
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parent
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commit
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4 changed files with 23 additions and 0 deletions
15
git.c
15
git.c
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@ -363,6 +363,20 @@ static int cmd_whatchanged(int ac, const char **av, char **ep)
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return cmd_log_wc(ac, av, ep, &wcopt);
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}
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static int cmd_show(int ac, const char **av, char **ep)
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{
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struct whatchanged_opt wcopt;
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memset(&wcopt, 0, sizeof(wcopt));
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wcopt.do_diff = 1;
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init_log_tree_opt(&wcopt.logopt);
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wcopt.logopt.ignore_merges = 0;
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wcopt.logopt.combine_merges = 1;
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wcopt.logopt.dense_combined_merges = 1;
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wcopt.logopt.diffopt.recursive = 1;
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return cmd_log_wc(ac, av, ep, &wcopt);
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}
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static void handle_internal_command(int argc, const char **argv, char **envp)
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{
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const char *cmd = argv[0];
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@ -373,6 +387,7 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
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{ "version", cmd_version },
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{ "help", cmd_help },
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{ "log", cmd_log },
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{ "show", cmd_show },
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{ "whatchanged", cmd_whatchanged },
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};
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int i;
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@ -182,6 +182,8 @@ int parse_whatchanged_opt(int ac, const char **av, struct whatchanged_opt *wcopt
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int left = 1;
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ac = setup_revisions(ac, av, rev, "HEAD");
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if (!strcmp(av[0], "show"))
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rev->no_walk = 1;
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while (1 < ac) {
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const char *arg = av[1];
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if (!strncmp(arg, "--pretty", 8)) {
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@ -375,6 +375,9 @@ static void add_parents_to_list(struct rev_info *revs, struct commit *commit, st
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if (revs->prune_fn)
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revs->prune_fn(revs, commit);
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if (revs->no_walk)
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return;
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parent = commit->parents;
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while (parent) {
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struct commit *p = parent->item;
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@ -714,6 +717,8 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
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void prepare_revision_walk(struct rev_info *revs)
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{
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if (revs->no_walk)
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return;
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sort_by_date(&revs->commits);
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if (revs->limited)
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limit_list(revs);
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@ -26,6 +26,7 @@ struct rev_info {
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/* Traversal flags */
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unsigned int dense:1,
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no_merges:1,
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no_walk:1,
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remove_empty_trees:1,
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lifo:1,
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topo_order:1,
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