[PATCH v3 21/25] worktree: convert struct worktree to object_id

[brian m. carlson]

Convert the head_sha1 member to be head_oid instead.  This is required
to convert resolve_ref_unsafe.

Signed-off-by: brian m. carlson <sand...@crustytoothpaste.net>
---
 builtin/worktree.c | 6 +++---
 worktree.c         | 2 +-
 worktree.h         | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/builtin/worktree.c b/builtin/worktree.c
index 7b9307aa58..ed043d5f1c 100644
--- a/builtin/worktree.c
+++ b/builtin/worktree.c
@@ -410,7 +410,7 @@ static void show_worktree_porcelain(struct worktree *wt)
        if (wt->is_bare)
                printf("bare\n");
        else {
-               printf("HEAD %s\n", sha1_to_hex(wt->head_sha1));
+               printf("HEAD %s\n", oid_to_hex(&wt->head_oid));
                if (wt->is_detached)
                        printf("detached\n");
                else if (wt->head_ref)
@@ -430,7 +430,7 @@ static void show_worktree(struct worktree *wt, int 
path_maxlen, int abbrev_len)
                strbuf_addstr(&sb, "(bare)");
        else {
                strbuf_addf(&sb, "%-*s ", abbrev_len,
-                               find_unique_abbrev(wt->head_sha1, 
DEFAULT_ABBREV));
+                               find_unique_abbrev(wt->head_oid.hash, 
DEFAULT_ABBREV));
                if (wt->is_detached)
                        strbuf_addstr(&sb, "(detached HEAD)");
                else if (wt->head_ref) {
@@ -455,7 +455,7 @@ static void measure_widths(struct worktree **wt, int 
*abbrev, int *maxlen)
 
                if (path_len > *maxlen)
                        *maxlen = path_len;
-               sha1_len = strlen(find_unique_abbrev(wt[i]->head_sha1, 
*abbrev));
+               sha1_len = strlen(find_unique_abbrev(wt[i]->head_oid.hash, 
*abbrev));
                if (sha1_len > *abbrev)
                        *abbrev = sha1_len;
        }
diff --git a/worktree.c b/worktree.c
index 70015629dc..cb35db03fa 100644
--- a/worktree.c
+++ b/worktree.c
@@ -31,7 +31,7 @@ static void add_head_info(struct worktree *wt)
        target = refs_resolve_ref_unsafe(get_worktree_ref_store(wt),
                                         "HEAD",
                                         0,
-                                        wt->head_sha1, &flags);
+                                        wt->head_oid.hash, &flags);
        if (!target)
                return;
 
diff --git a/worktree.h b/worktree.h
index 9276c81ae7..c28a880e18 100644
--- a/worktree.h
+++ b/worktree.h
@@ -8,7 +8,7 @@ struct worktree {
        char *id;
        char *head_ref;         /* NULL if HEAD is broken or detached */
        char *lock_reason;      /* internal use */
-       unsigned char head_sha1[20];
+       struct object_id head_oid;
        int is_detached;
        int is_bare;
        int is_current;
-- 
2.15.0.rc0.271.g36b669edcc