On 08/05, Junio C Hamano wrote:
> Thomas Gummerer <t.gumme...@gmail.com> writes:
>
> > Make git read the resolve-undo data from the index.
> >
> > Since the resolve-undo data is joined with the conflicts in
> > the ondisk format of the index file version 5, conflicts and
> > resolved data is read at the same time, and the resolve-undo
> > data is then converted to the in-memory format.
> >
> > Helped-by: Thomas Rast <tr...@student.ethz.ch>
> > Signed-off-by: Thomas Gummerer <t.gumme...@gmail.com>
> > ---
> > read-cache.c | 1 +
> > resolve-undo.c | 36 ++++++++++++++++++++++++++++++++++++
> > resolve-undo.h | 2 ++
> > 3 files changed, 39 insertions(+)
> >
> > diff --git a/read-cache.c b/read-cache.c
> > index 70334f9..03370f9 100644
> > --- a/read-cache.c
> > +++ b/read-cache.c
> > @@ -1942,6 +1942,7 @@ static struct directory_entry *read_entries_v5(struct
> > index_state *istate,
> > int i;
> >
> > conflict_queue = read_conflicts_v5(de, mmap, mmap_size, fd);
> > + resolve_undo_convert_v5(istate, conflict_queue);
> > for (i = 0; i < de->de_nfiles; i++) {
> > ce = read_entry_v5(de,
> > entry_offset,
> > diff --git a/resolve-undo.c b/resolve-undo.c
> > index 72b4612..f96c6ba 100644
> > --- a/resolve-undo.c
> > +++ b/resolve-undo.c
> > @@ -170,3 +170,39 @@ void unmerge_index(struct index_state *istate, const
> > char **pathspec)
> > i = unmerge_index_entry_at(istate, i);
> > }
> > }
> > +
> > +void resolve_undo_convert_v5(struct index_state *istate,
> > + struct conflict_entry *ce)
> > +{
>
> It is unclear why this needs to be part of resolve-undo.c and
> exported from it. Shouldn't it (and bulk of the previous few
> patches) be part of a read-cache-v5.c file (with v2/3/4 specific
> part separated out from read-cache.c to form read-cache-v2.c)?
I thought this should be part of resolve-undo.c, to keep everything
that has to do with resolve-undo in the same file, taking model
from resolve_undo_read and resolve_undo_write. But I don't care
to deeply about it, it can easily be moved to read-cache-v5.c.
> > + int i;
> > +
> > + while (ce) {
> > + struct string_list_item *lost;
> > + struct resolve_undo_info *ui;
> > + struct conflict_part *cp;
> > +
> > + if (ce->entries && (ce->entries->flags & CONFLICT_CONFLICTED)
> > != 0) {
> > + ce = ce->next;
> > + continue;
> > + }
> > + if (!istate->resolve_undo) {
> > + istate->resolve_undo = xcalloc(1, sizeof(struct
> > string_list));
> > + istate->resolve_undo->strdup_strings = 1;
> > + }
> > +
> > + lost = string_list_insert(istate->resolve_undo, ce->name);
> > + if (!lost->util)
> > + lost->util = xcalloc(1, sizeof(*ui));
> > + ui = lost->util;
> > +
> > + cp = ce->entries;
> > + for (i = 0; i < 3; i++)
> > + ui->mode[i] = 0;
> > + while (cp) {
> > + ui->mode[conflict_stage(cp) - 1] = cp->entry_mode;
> > + hashcpy(ui->sha1[conflict_stage(cp) - 1], cp->sha1);
> > + cp = cp->next;
> > + }
> > + ce = ce->next;
> > + }
> > +}
> > diff --git a/resolve-undo.h b/resolve-undo.h
> > index 8458769..ab660a6 100644
> > --- a/resolve-undo.h
> > +++ b/resolve-undo.h
> > @@ -13,4 +13,6 @@ extern void resolve_undo_clear_index(struct index_state
> > *);
> > extern int unmerge_index_entry_at(struct index_state *, int);
> > extern void unmerge_index(struct index_state *, const char **);
> >
> > +extern void resolve_undo_convert_v5(struct index_state *, struct
> > conflict_entry *);
> > +
> > #endif
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