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-rw-r--r--archive.c13
-rw-r--r--archive.h1
-rw-r--r--builtin/cat-file.c5
-rw-r--r--builtin/checkout.c13
-rw-r--r--cache.h1
-rw-r--r--convert.c22
-rw-r--r--convert.h17
-rw-r--r--diff.c5
-rw-r--r--entry.c7
-rw-r--r--t/t0021/rot13-filter.pl6
10 files changed, 83 insertions, 7 deletions
diff --git a/archive.c b/archive.c
index d9e92cc..fb39706 100644
--- a/archive.c
+++ b/archive.c
@@ -77,6 +77,11 @@ void *object_file_to_archive(const struct archiver_args *args,
{
void *buffer;
const struct commit *commit = args->convert ? args->commit : NULL;
+ struct checkout_metadata meta;
+
+ init_checkout_metadata(&meta, args->refname,
+ args->commit_oid ? args->commit_oid :
+ (args->tree ? &args->tree->object.oid : NULL), oid);
path += args->baselen;
buffer = read_object_file(oid, type, sizep);
@@ -85,7 +90,7 @@ void *object_file_to_archive(const struct archiver_args *args,
size_t size = 0;
strbuf_attach(&buf, buffer, *sizep, *sizep + 1);
- convert_to_working_tree(args->repo->index, path, buf.buf, buf.len, &buf, NULL);
+ convert_to_working_tree(args->repo->index, path, buf.buf, buf.len, &buf, &meta);
if (commit)
format_subst(commit, buf.buf, buf.len, &buf);
buffer = strbuf_detach(&buf, &size);
@@ -385,16 +390,17 @@ static void parse_treeish_arg(const char **argv,
struct tree *tree;
const struct commit *commit;
struct object_id oid;
+ char *ref = NULL;
/* Remotes are only allowed to fetch actual refs */
if (remote && !remote_allow_unreachable) {
- char *ref = NULL;
const char *colon = strchrnul(name, ':');
int refnamelen = colon - name;
if (!dwim_ref(name, refnamelen, &oid, &ref))
die(_("no such ref: %.*s"), refnamelen, name);
- free(ref);
+ } else {
+ dwim_ref(name, strlen(name), &oid, &ref);
}
if (get_oid(name, &oid))
@@ -427,6 +433,7 @@ static void parse_treeish_arg(const char **argv,
tree = parse_tree_indirect(&tree_oid);
}
+ ar_args->refname = ref;
ar_args->tree = tree;
ar_args->commit_oid = commit_oid;
ar_args->commit = commit;
diff --git a/archive.h b/archive.h
index e60e3dd..3bd96bf 100644
--- a/archive.h
+++ b/archive.h
@@ -8,6 +8,7 @@ struct repository;
struct archiver_args {
struct repository *repo;
+ const char *refname;
const char *base;
size_t baselen;
struct tree *tree;
diff --git a/builtin/cat-file.c b/builtin/cat-file.c
index 545fed4..6ecc8ee 100644
--- a/builtin/cat-file.c
+++ b/builtin/cat-file.c
@@ -42,7 +42,10 @@ static int filter_object(const char *path, unsigned mode,
oid_to_hex(oid), path);
if ((type == OBJ_BLOB) && S_ISREG(mode)) {
struct strbuf strbuf = STRBUF_INIT;
- if (convert_to_working_tree(&the_index, path, *buf, *size, &strbuf, NULL)) {
+ struct checkout_metadata meta;
+
+ init_checkout_metadata(&meta, NULL, NULL, oid);
+ if (convert_to_working_tree(&the_index, path, *buf, *size, &strbuf, &meta)) {
free(*buf);
*size = strbuf.len;
*buf = strbuf_detach(&strbuf, NULL);
diff --git a/builtin/checkout.c b/builtin/checkout.c
index 8a28f48..1bdb70d 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -92,6 +92,8 @@ struct branch_info {
const char *name; /* The short name used */
const char *path; /* The full name of a real branch */
struct commit *commit; /* The named commit */
+ char *refname; /* The full name of the ref being checked out. */
+ struct object_id oid; /* The object ID of the commit being checked out. */
/*
* if not null the branch is detached because it's already
* checked out in this checkout
@@ -360,6 +362,10 @@ static int checkout_worktree(const struct checkout_opts *opts,
state.refresh_cache = 1;
state.istate = &the_index;
+ init_checkout_metadata(&state.meta, info->refname,
+ info->commit ? &info->commit->object.oid : &info->oid,
+ NULL);
+
enable_delayed_checkout(&state);
for (pos = 0; pos < active_nr; pos++) {
struct cache_entry *ce = active_cache[pos];
@@ -636,6 +642,13 @@ static void setup_branch_path(struct branch_info *branch)
{
struct strbuf buf = STRBUF_INIT;
+ /*
+ * If this is a ref, resolve it; otherwise, look up the OID for our
+ * expression. Failure here is okay.
+ */
+ if (!dwim_ref(branch->name, strlen(branch->name), &branch->oid, &branch->refname))
+ repo_get_oid_committish(the_repository, branch->name, &branch->oid);
+
strbuf_branchname(&buf, branch->name, INTERPRET_BRANCH_LOCAL);
if (strcmp(buf.buf, branch->name))
branch->name = xstrdup(buf.buf);
diff --git a/cache.h b/cache.h
index 37c899b..9b24e5d 100644
--- a/cache.h
+++ b/cache.h
@@ -1679,6 +1679,7 @@ struct checkout {
const char *base_dir;
int base_dir_len;
struct delayed_checkout *delayed_checkout;
+ struct checkout_metadata meta;
unsigned force:1,
quiet:1,
not_new:1,
diff --git a/convert.c b/convert.c
index 6261921..5aa87d4 100644
--- a/convert.c
+++ b/convert.c
@@ -2006,3 +2006,25 @@ int stream_filter(struct stream_filter *filter,
{
return filter->vtbl->filter(filter, input, isize_p, output, osize_p);
}
+
+void init_checkout_metadata(struct checkout_metadata *meta, const char *refname,
+ const struct object_id *treeish,
+ const struct object_id *blob)
+{
+ memset(meta, 0, sizeof(*meta));
+ if (refname)
+ meta->refname = refname;
+ if (treeish)
+ oidcpy(&meta->treeish, treeish);
+ if (blob)
+ oidcpy(&meta->blob, blob);
+}
+
+void clone_checkout_metadata(struct checkout_metadata *dst,
+ const struct checkout_metadata *src,
+ const struct object_id *blob)
+{
+ memcpy(dst, src, sizeof(*dst));
+ if (blob)
+ oidcpy(&dst->blob, blob);
+}
diff --git a/convert.h b/convert.h
index 894e01c..e29d102 100644
--- a/convert.h
+++ b/convert.h
@@ -103,6 +103,23 @@ int would_convert_to_git_filter_fd(const struct index_state *istate,
const char *path);
/*
+ * Initialize the checkout metadata with the given values. Any argument may be
+ * NULL if it is not applicable. The treeish should be a commit if that is
+ * available, and a tree otherwise.
+ *
+ * The refname is not copied and must be valid for the lifetime of the struct.
+ * THe object IDs are copied.
+ */
+void init_checkout_metadata(struct checkout_metadata *meta, const char *refname,
+ const struct object_id *treeish,
+ const struct object_id *blob);
+
+/* Copy the metadata from src to dst, updating the blob. */
+void clone_checkout_metadata(struct checkout_metadata *dst,
+ const struct checkout_metadata *src,
+ const struct object_id *blob);
+
+/*
* Reset the internal list of attributes used by convert_to_git and
* convert_to_working_tree.
*/
diff --git a/diff.c b/diff.c
index 12761c8..1010d80 100644
--- a/diff.c
+++ b/diff.c
@@ -4062,6 +4062,9 @@ static void prep_temp_blob(struct index_state *istate,
struct strbuf tempfile = STRBUF_INIT;
char *path_dup = xstrdup(path);
const char *base = basename(path_dup);
+ struct checkout_metadata meta;
+
+ init_checkout_metadata(&meta, NULL, NULL, oid);
/* Generate "XXXXXX_basename.ext" */
strbuf_addstr(&tempfile, "XXXXXX_");
@@ -4071,7 +4074,7 @@ static void prep_temp_blob(struct index_state *istate,
if (!temp->tempfile)
die_errno("unable to create temp-file");
if (convert_to_working_tree(istate, path,
- (const char *)blob, (size_t)size, &buf, NULL)) {
+ (const char *)blob, (size_t)size, &buf, &meta)) {
blob = buf.buf;
size = buf.len;
}
diff --git a/entry.c b/entry.c
index 4b2d9b2..00b4903 100644
--- a/entry.c
+++ b/entry.c
@@ -264,6 +264,9 @@ static int write_entry(struct cache_entry *ce,
size_t newsize = 0;
struct stat st;
const struct submodule *sub;
+ struct checkout_metadata meta;
+
+ clone_checkout_metadata(&meta, &state->meta, &ce->oid);
if (ce_mode_s_ifmt == S_IFREG) {
struct stream_filter *filter = get_stream_filter(state->istate, ce->name,
@@ -315,13 +318,13 @@ static int write_entry(struct cache_entry *ce,
*/
if (dco && dco->state != CE_NO_DELAY) {
ret = async_convert_to_working_tree(state->istate, ce->name, new_blob,
- size, &buf, NULL, dco);
+ size, &buf, &meta, dco);
if (ret && string_list_has_string(&dco->paths, ce->name)) {
free(new_blob);
goto delayed;
}
} else
- ret = convert_to_working_tree(state->istate, ce->name, new_blob, size, &buf, NULL);
+ ret = convert_to_working_tree(state->istate, ce->name, new_blob, size, &buf, &meta);
if (ret) {
free(new_blob);
diff --git a/t/t0021/rot13-filter.pl b/t/t0021/rot13-filter.pl
index 4701072..c43cf43 100644
--- a/t/t0021/rot13-filter.pl
+++ b/t/t0021/rot13-filter.pl
@@ -135,7 +135,13 @@ while (1) {
if ( exists $DELAY{$pathname} and $DELAY{$pathname}{"requested"} == 0 ) {
$DELAY{$pathname}{"requested"} = 1;
}
+ } elsif ($buffer =~ /^(ref|treeish|blob)=/) {
+ # Do nothing.
} else {
+ # In general, filters need to be graceful about
+ # new metadata, since it's documented that we
+ # can pass any key-value pairs, but for tests,
+ # let's be a little stricter.
die "Unknown message '$buffer'";
}