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-rw-r--r--tree-diff.c115
1 files changed, 59 insertions, 56 deletions
diff --git a/tree-diff.c b/tree-diff.c
index e164e532b2..fe2e466ac1 100644
--- a/tree-diff.c
+++ b/tree-diff.c
@@ -26,11 +26,12 @@
} while(0)
static struct combine_diff_path *ll_diff_tree_paths(
- struct combine_diff_path *p, const unsigned char *sha1,
- const unsigned char **parents_sha1, int nparent,
+ struct combine_diff_path *p, const struct object_id *oid,
+ const struct object_id **parents_oid, int nparent,
struct strbuf *base, struct diff_options *opt);
-static int ll_diff_tree_sha1(const unsigned char *old, const unsigned char *new,
- struct strbuf *base, struct diff_options *opt);
+static int ll_diff_tree_oid(const struct object_id *old_oid,
+ const struct object_id *new_oid,
+ struct strbuf *base, struct diff_options *opt);
/*
* Compare two tree entries, taking into account only path/S_ISDIR(mode),
@@ -74,25 +75,25 @@ static int emit_diff_first_parent_only(struct diff_options *opt, struct combine_
{
struct combine_diff_parent *p0 = &p->parent[0];
if (p->mode && p0->mode) {
- opt->change(opt, p0->mode, p->mode, p0->oid.hash, p->oid.hash,
+ opt->change(opt, p0->mode, p->mode, &p0->oid, &p->oid,
1, 1, p->path, 0, 0);
}
else {
- const unsigned char *sha1;
+ const struct object_id *oid;
unsigned int mode;
int addremove;
if (p->mode) {
addremove = '+';
- sha1 = p->oid.hash;
+ oid = &p->oid;
mode = p->mode;
} else {
addremove = '-';
- sha1 = p0->oid.hash;
+ oid = &p0->oid;
mode = p0->mode;
}
- opt->add_remove(opt, addremove, mode, sha1, 1, p->path, 0);
+ opt->add_remove(opt, addremove, mode, oid, 1, p->path, 0);
}
return 0; /* we are done with p */
@@ -131,7 +132,7 @@ static int emit_diff_first_parent_only(struct diff_options *opt, struct combine_
*/
static struct combine_diff_path *path_appendnew(struct combine_diff_path *last,
int nparent, const struct strbuf *base, const char *path, int pathlen,
- unsigned mode, const unsigned char *sha1)
+ unsigned mode, const struct object_id *oid)
{
struct combine_diff_path *p;
size_t len = st_add(base->len, pathlen);
@@ -140,8 +141,7 @@ static struct combine_diff_path *path_appendnew(struct combine_diff_path *last,
/* if last->next is !NULL - it is a pre-allocated memory, we can reuse */
p = last->next;
if (p && (alloclen > (intptr_t)p->next)) {
- free(p);
- p = NULL;
+ FREE_AND_NULL(p);
}
if (!p) {
@@ -161,7 +161,7 @@ static struct combine_diff_path *path_appendnew(struct combine_diff_path *last,
memcpy(p->path + base->len, path, pathlen);
p->path[len] = 0;
p->mode = mode;
- hashcpy(p->oid.hash, sha1 ? sha1 : null_sha1);
+ oidcpy(&p->oid, oid ? oid : &null_oid);
return p;
}
@@ -183,7 +183,7 @@ static struct combine_diff_path *emit_path(struct combine_diff_path *p,
{
unsigned mode;
const char *path;
- const unsigned char *sha1;
+ const struct object_id *oid;
int pathlen;
int old_baselen = base->len;
int i, isdir, recurse = 0, emitthis = 1;
@@ -193,7 +193,7 @@ static struct combine_diff_path *emit_path(struct combine_diff_path *p,
if (t) {
/* path present in resulting tree */
- sha1 = tree_entry_extract(t, &path, &mode)->hash;
+ oid = tree_entry_extract(t, &path, &mode);
pathlen = tree_entry_len(&t->entry);
isdir = S_ISDIR(mode);
} else {
@@ -208,19 +208,19 @@ static struct combine_diff_path *emit_path(struct combine_diff_path *p,
pathlen = tree_entry_len(&tp[imin].entry);
isdir = S_ISDIR(mode);
- sha1 = NULL;
+ oid = NULL;
mode = 0;
}
- if (DIFF_OPT_TST(opt, RECURSIVE) && isdir) {
+ if (opt->flags.recursive && isdir) {
recurse = 1;
- emitthis = DIFF_OPT_TST(opt, TREE_IN_RECURSIVE);
+ emitthis = opt->flags.tree_in_recursive;
}
if (emitthis) {
int keep;
struct combine_diff_path *pprev = p;
- p = path_appendnew(p, nparent, base, path, pathlen, mode, sha1);
+ p = path_appendnew(p, nparent, base, path, pathlen, mode, oid);
for (i = 0; i < nparent; ++i) {
/*
@@ -229,7 +229,7 @@ static struct combine_diff_path *emit_path(struct combine_diff_path *p,
*/
int tpi_valid = tp && !(tp[i].entry.mode & S_IFXMIN_NEQ);
- const unsigned char *sha1_i;
+ const struct object_id *oid_i;
unsigned mode_i;
p->parent[i].status =
@@ -239,16 +239,16 @@ static struct combine_diff_path *emit_path(struct combine_diff_path *p,
DIFF_STATUS_ADDED;
if (tpi_valid) {
- sha1_i = tp[i].entry.oid->hash;
+ oid_i = tp[i].entry.oid;
mode_i = tp[i].entry.mode;
}
else {
- sha1_i = NULL;
+ oid_i = &null_oid;
mode_i = 0;
}
p->parent[i].mode = mode_i;
- hashcpy(p->parent[i].oid.hash, sha1_i ? sha1_i : null_sha1);
+ oidcpy(&p->parent[i].oid, oid_i);
}
keep = 1;
@@ -273,21 +273,20 @@ static struct combine_diff_path *emit_path(struct combine_diff_path *p,
}
if (recurse) {
- const unsigned char **parents_sha1;
+ const struct object_id **parents_oid;
- FAST_ARRAY_ALLOC(parents_sha1, nparent);
+ FAST_ARRAY_ALLOC(parents_oid, nparent);
for (i = 0; i < nparent; ++i) {
/* same rule as in emitthis */
int tpi_valid = tp && !(tp[i].entry.mode & S_IFXMIN_NEQ);
- parents_sha1[i] = tpi_valid ? tp[i].entry.oid->hash
- : NULL;
+ parents_oid[i] = tpi_valid ? tp[i].entry.oid : NULL;
}
strbuf_add(base, path, pathlen);
strbuf_addch(base, '/');
- p = ll_diff_tree_paths(p, sha1, parents_sha1, nparent, base, opt);
- FAST_ARRAY_FREE(parents_sha1, nparent);
+ p = ll_diff_tree_paths(p, oid, parents_oid, nparent, base, opt);
+ FAST_ARRAY_FREE(parents_oid, nparent);
}
strbuf_setlen(base, old_baselen);
@@ -312,7 +311,7 @@ static void skip_uninteresting(struct tree_desc *t, struct strbuf *base,
/*
- * generate paths for combined diff D(sha1,parents_sha1[])
+ * generate paths for combined diff D(sha1,parents_oid[])
*
* Resulting paths are appended to combine_diff_path linked list, and also, are
* emitted on the go via opt->pathchange() callback, so it is possible to
@@ -404,8 +403,8 @@ static inline void update_tp_entries(struct tree_desc *tp, int nparent)
}
static struct combine_diff_path *ll_diff_tree_paths(
- struct combine_diff_path *p, const unsigned char *sha1,
- const unsigned char **parents_sha1, int nparent,
+ struct combine_diff_path *p, const struct object_id *oid,
+ const struct object_id **parents_oid, int nparent,
struct strbuf *base, struct diff_options *opt)
{
struct tree_desc t, *tp;
@@ -419,14 +418,14 @@ static struct combine_diff_path *ll_diff_tree_paths(
* load parents first, as they are probably already cached.
*
* ( log_tree_diff() parses commit->parent before calling here via
- * diff_tree_sha1(parent, commit) )
+ * diff_tree_oid(parent, commit) )
*/
for (i = 0; i < nparent; ++i)
- tptree[i] = fill_tree_descriptor(&tp[i], parents_sha1[i]);
- ttree = fill_tree_descriptor(&t, sha1);
+ tptree[i] = fill_tree_descriptor(&tp[i], parents_oid[i]);
+ ttree = fill_tree_descriptor(&t, oid);
/* Enable recursion indefinitely */
- opt->pathspec.recursive = DIFF_OPT_TST(opt, RECURSIVE);
+ opt->pathspec.recursive = opt->flags.recursive;
for (;;) {
int imin, cmp;
@@ -485,7 +484,7 @@ static struct combine_diff_path *ll_diff_tree_paths(
/* t = p[imin] */
if (cmp == 0) {
/* are either pi > p[imin] or diff(t,pi) != ø ? */
- if (!DIFF_OPT_TST(opt, FIND_COPIES_HARDER)) {
+ if (!opt->flags.find_copies_harder) {
for (i = 0; i < nparent; ++i) {
/* p[i] > p[imin] */
if (tp[i].entry.mode & S_IFXMIN_NEQ)
@@ -523,7 +522,7 @@ static struct combine_diff_path *ll_diff_tree_paths(
/* t > p[imin] */
else {
/* ∀i pi=p[imin] -> D += "-p[imin]" */
- if (!DIFF_OPT_TST(opt, FIND_COPIES_HARDER)) {
+ if (!opt->flags.find_copies_harder) {
for (i = 0; i < nparent; ++i)
if (tp[i].entry.mode & S_IFXMIN_NEQ)
goto skip_emit_tp;
@@ -548,19 +547,18 @@ static struct combine_diff_path *ll_diff_tree_paths(
}
struct combine_diff_path *diff_tree_paths(
- struct combine_diff_path *p, const unsigned char *sha1,
- const unsigned char **parents_sha1, int nparent,
+ struct combine_diff_path *p, const struct object_id *oid,
+ const struct object_id **parents_oid, int nparent,
struct strbuf *base, struct diff_options *opt)
{
- p = ll_diff_tree_paths(p, sha1, parents_sha1, nparent, base, opt);
+ p = ll_diff_tree_paths(p, oid, parents_oid, nparent, base, opt);
/*
* free pre-allocated last element, if any
* (see path_appendnew() for details about why)
*/
if (p->next) {
- free(p->next);
- p->next = NULL;
+ FREE_AND_NULL(p->next);
}
return p;
@@ -577,7 +575,9 @@ static inline int diff_might_be_rename(void)
!DIFF_FILE_VALID(diff_queued_diff.queue[0]->one);
}
-static void try_to_follow_renames(const unsigned char *old, const unsigned char *new, struct strbuf *base, struct diff_options *opt)
+static void try_to_follow_renames(const struct object_id *old_oid,
+ const struct object_id *new_oid,
+ struct strbuf *base, struct diff_options *opt)
{
struct diff_options diff_opts;
struct diff_queue_struct *q = &diff_queued_diff;
@@ -608,14 +608,14 @@ static void try_to_follow_renames(const unsigned char *old, const unsigned char
q->nr = 0;
diff_setup(&diff_opts);
- DIFF_OPT_SET(&diff_opts, RECURSIVE);
- DIFF_OPT_SET(&diff_opts, FIND_COPIES_HARDER);
+ diff_opts.flags.recursive = 1;
+ diff_opts.flags.find_copies_harder = 1;
diff_opts.output_format = DIFF_FORMAT_NO_OUTPUT;
diff_opts.single_follow = opt->pathspec.items[0].match;
diff_opts.break_opt = opt->break_opt;
diff_opts.rename_score = opt->rename_score;
diff_setup_done(&diff_opts);
- ll_diff_tree_sha1(old, new, base, &diff_opts);
+ ll_diff_tree_oid(old_oid, new_oid, base, &diff_opts);
diffcore_std(&diff_opts);
clear_pathspec(&diff_opts.pathspec);
@@ -674,15 +674,16 @@ static void try_to_follow_renames(const unsigned char *old, const unsigned char
q->nr = 1;
}
-static int ll_diff_tree_sha1(const unsigned char *old, const unsigned char *new,
- struct strbuf *base, struct diff_options *opt)
+static int ll_diff_tree_oid(const struct object_id *old_oid,
+ const struct object_id *new_oid,
+ struct strbuf *base, struct diff_options *opt)
{
struct combine_diff_path phead, *p;
pathchange_fn_t pathchange_old = opt->pathchange;
phead.next = NULL;
opt->pathchange = emit_diff_first_parent_only;
- diff_tree_paths(&phead, new, &old, 1, base, opt);
+ diff_tree_paths(&phead, new_oid, &old_oid, 1, base, opt);
for (p = phead.next; p;) {
struct combine_diff_path *pprev = p;
@@ -694,7 +695,9 @@ static int ll_diff_tree_sha1(const unsigned char *old, const unsigned char *new,
return 0;
}
-int diff_tree_sha1(const unsigned char *old, const unsigned char *new, const char *base_str, struct diff_options *opt)
+int diff_tree_oid(const struct object_id *old_oid,
+ const struct object_id *new_oid,
+ const char *base_str, struct diff_options *opt)
{
struct strbuf base;
int retval;
@@ -702,16 +705,16 @@ int diff_tree_sha1(const unsigned char *old, const unsigned char *new, const cha
strbuf_init(&base, PATH_MAX);
strbuf_addstr(&base, base_str);
- retval = ll_diff_tree_sha1(old, new, &base, opt);
- if (!*base_str && DIFF_OPT_TST(opt, FOLLOW_RENAMES) && diff_might_be_rename())
- try_to_follow_renames(old, new, &base, opt);
+ retval = ll_diff_tree_oid(old_oid, new_oid, &base, opt);
+ if (!*base_str && opt->flags.follow_renames && diff_might_be_rename())
+ try_to_follow_renames(old_oid, new_oid, &base, opt);
strbuf_release(&base);
return retval;
}
-int diff_root_tree_sha1(const unsigned char *new, const char *base, struct diff_options *opt)
+int diff_root_tree_oid(const struct object_id *new_oid, const char *base, struct diff_options *opt)
{
- return diff_tree_sha1(NULL, new, base, opt);
+ return diff_tree_oid(NULL, new_oid, base, opt);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 21:18:16 +0000