Thread (37 messages) 37 messages, 6 authors, 2021-10-01

Re: [PATCH 6/7] show, log: provide a --remerge-diff capability

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From: Ævar Arnfjörð Bjarmason <hidden>
Date: 2021-09-28 08:05:41

On Tue, Aug 31 2021, Elijah Newren via GitGitGadget wrote:
quoted hunk ↗ jump to hunk
 static int decoration_given;
 static int use_mailmap_config = 1;
+static struct tmp_objdir *tmp_objdir;
 static const char *fmt_patch_subject_prefix = "PATCH";
 static int fmt_patch_name_max = FORMAT_PATCH_NAME_MAX_DEFAULT;
 static const char *fmt_pretty;
So here we make this static file-level etc...
quoted hunk ↗ jump to hunk
@@ -407,6 +410,17 @@ static int cmd_log_walk(struct rev_info *rev)
 	int saved_nrl = 0;
 	int saved_dcctc = 0;
 
+	if (rev->remerge_diff) {
+		tmp_objdir = tmp_objdir_create();
+		if (!tmp_objdir)
+			die(_("unable to create temporary object directory"));
+		tmp_objdir_make_primary(the_repository, tmp_objdir);
+
+		strbuf_init(&rev->remerge_objdir_location, 0);
+		strbuf_addstr(&rev->remerge_objdir_location,
+			      tmp_objdir_path(tmp_objdir));
+	}
+
 	if (rev->early_output)
 		setup_early_output();
 
@@ -449,6 +463,13 @@ static int cmd_log_walk(struct rev_info *rev)
 	rev->diffopt.no_free = 0;
 	diff_free(&rev->diffopt);
 
+	if (rev->remerge_diff) {
+		strbuf_release(&rev->remerge_objdir_location);
+		tmp_objdir_remove_as_primary(the_repository, tmp_objdir);
+		tmp_objdir_destroy(tmp_objdir);
+		tmp_objdir = NULL;
...but all of the "tmp_objdir" usage is in one function, can't the
variable be declared here instead?

We need to hand the "remerge_objdir_location" off to the "rev_info"
struct, but that seems separate from its lifetime.

Re my [1] & [2] I like Neeraj's "atexit cleanup" approach better,
perhaps that makes your cleanup in log-tree.c redundant or easier?

Per [2] it looks like you need to "hand off" the
"remerge_objdir_location", so having the struct live in tmp-objdir.h as
I suggested in [2] might make that work...

1. https://lore.kernel.org/git/87v92lxhh4.fsf@evledraar.gmail.com/ (local)
2. https://lore.kernel.org/git/87r1d9xh71.fsf@evledraar.gmail.com/ (local)
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