Merge branch 'ot/ref-filter-object-info'
A few atoms like %(objecttype) and %(objectsize) in the format specifier of "for-each-ref --format=<format>" can be filled without getting the full contents of the object, but just with the object header. These cases have been optimized by calling oid_object_info() API (instead of reading and inspecting the data). * ot/ref-filter-object-info: ref-filter: use oid_object_info() to get object ref-filter: merge get_obj and get_object ref-filter: initialize eaten variable ref-filter: fill empty fields with empty values ref-filter: add info_source to valid_atom
This commit is contained in:
commit
c83149ace6
226
ref-filter.c
226
ref-filter.c
@ -43,6 +43,7 @@ void setup_ref_filter_porcelain_msg(void)
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typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type;
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typedef enum { COMPARE_EQUAL, COMPARE_UNEQUAL, COMPARE_NONE } cmp_status;
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typedef enum { SOURCE_NONE = 0, SOURCE_OBJ, SOURCE_OTHER } info_source;
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struct align {
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align_type position;
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@ -62,6 +63,17 @@ struct refname_atom {
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int lstrip, rstrip;
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};
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static struct expand_data {
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struct object_id oid;
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enum object_type type;
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unsigned long size;
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off_t disk_size;
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struct object_id delta_base_oid;
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void *content;
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struct object_info info;
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} oi, oi_deref;
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/*
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* An atom is a valid field atom listed below, possibly prefixed with
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* a "*" to denote deref_tag().
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@ -75,6 +87,7 @@ struct refname_atom {
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static struct used_atom {
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const char *name;
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cmp_type type;
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info_source source;
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union {
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char color[COLOR_MAXLEN];
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struct align align;
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@ -202,6 +215,30 @@ static int remote_ref_atom_parser(const struct ref_format *format, struct used_a
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return 0;
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}
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static int objecttype_atom_parser(const struct ref_format *format, struct used_atom *atom,
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const char *arg, struct strbuf *err)
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{
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if (arg)
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return strbuf_addf_ret(err, -1, _("%%(objecttype) does not take arguments"));
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if (*atom->name == '*')
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oi_deref.info.typep = &oi_deref.type;
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else
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oi.info.typep = &oi.type;
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return 0;
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}
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static int objectsize_atom_parser(const struct ref_format *format, struct used_atom *atom,
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const char *arg, struct strbuf *err)
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{
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if (arg)
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return strbuf_addf_ret(err, -1, _("%%(objectsize) does not take arguments"));
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if (*atom->name == '*')
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oi_deref.info.sizep = &oi_deref.size;
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else
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oi.info.sizep = &oi.size;
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return 0;
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}
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static int body_atom_parser(const struct ref_format *format, struct used_atom *atom,
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const char *arg, struct strbuf *err)
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{
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@ -382,49 +419,50 @@ static int head_atom_parser(const struct ref_format *format, struct used_atom *a
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static struct {
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const char *name;
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info_source source;
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cmp_type cmp_type;
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int (*parser)(const struct ref_format *format, struct used_atom *atom,
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const char *arg, struct strbuf *err);
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} valid_atom[] = {
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{ "refname" , FIELD_STR, refname_atom_parser },
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{ "objecttype" },
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{ "objectsize", FIELD_ULONG },
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{ "objectname", FIELD_STR, objectname_atom_parser },
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{ "tree" },
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{ "parent" },
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{ "numparent", FIELD_ULONG },
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{ "object" },
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{ "type" },
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{ "tag" },
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{ "author" },
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{ "authorname" },
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{ "authoremail" },
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{ "authordate", FIELD_TIME },
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{ "committer" },
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{ "committername" },
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{ "committeremail" },
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{ "committerdate", FIELD_TIME },
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{ "tagger" },
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{ "taggername" },
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{ "taggeremail" },
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{ "taggerdate", FIELD_TIME },
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{ "creator" },
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{ "creatordate", FIELD_TIME },
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{ "subject", FIELD_STR, subject_atom_parser },
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{ "body", FIELD_STR, body_atom_parser },
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{ "trailers", FIELD_STR, trailers_atom_parser },
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{ "contents", FIELD_STR, contents_atom_parser },
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{ "upstream", FIELD_STR, remote_ref_atom_parser },
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{ "push", FIELD_STR, remote_ref_atom_parser },
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{ "symref", FIELD_STR, refname_atom_parser },
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{ "flag" },
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{ "HEAD", FIELD_STR, head_atom_parser },
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{ "color", FIELD_STR, color_atom_parser },
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{ "align", FIELD_STR, align_atom_parser },
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{ "end" },
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{ "if", FIELD_STR, if_atom_parser },
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{ "then" },
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{ "else" },
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{ "refname", SOURCE_NONE, FIELD_STR, refname_atom_parser },
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{ "objecttype", SOURCE_OTHER, FIELD_STR, objecttype_atom_parser },
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{ "objectsize", SOURCE_OTHER, FIELD_ULONG, objectsize_atom_parser },
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{ "objectname", SOURCE_OTHER, FIELD_STR, objectname_atom_parser },
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{ "tree", SOURCE_OBJ },
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{ "parent", SOURCE_OBJ },
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{ "numparent", SOURCE_OBJ, FIELD_ULONG },
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{ "object", SOURCE_OBJ },
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{ "type", SOURCE_OBJ },
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{ "tag", SOURCE_OBJ },
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{ "author", SOURCE_OBJ },
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{ "authorname", SOURCE_OBJ },
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{ "authoremail", SOURCE_OBJ },
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{ "authordate", SOURCE_OBJ, FIELD_TIME },
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{ "committer", SOURCE_OBJ },
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{ "committername", SOURCE_OBJ },
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{ "committeremail", SOURCE_OBJ },
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{ "committerdate", SOURCE_OBJ, FIELD_TIME },
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{ "tagger", SOURCE_OBJ },
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{ "taggername", SOURCE_OBJ },
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{ "taggeremail", SOURCE_OBJ },
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{ "taggerdate", SOURCE_OBJ, FIELD_TIME },
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{ "creator", SOURCE_OBJ },
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{ "creatordate", SOURCE_OBJ, FIELD_TIME },
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{ "subject", SOURCE_OBJ, FIELD_STR, subject_atom_parser },
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{ "body", SOURCE_OBJ, FIELD_STR, body_atom_parser },
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{ "trailers", SOURCE_OBJ, FIELD_STR, trailers_atom_parser },
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{ "contents", SOURCE_OBJ, FIELD_STR, contents_atom_parser },
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{ "upstream", SOURCE_NONE, FIELD_STR, remote_ref_atom_parser },
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{ "push", SOURCE_NONE, FIELD_STR, remote_ref_atom_parser },
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{ "symref", SOURCE_NONE, FIELD_STR, refname_atom_parser },
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{ "flag", SOURCE_NONE },
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{ "HEAD", SOURCE_NONE, FIELD_STR, head_atom_parser },
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{ "color", SOURCE_NONE, FIELD_STR, color_atom_parser },
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{ "align", SOURCE_NONE, FIELD_STR, align_atom_parser },
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{ "end", SOURCE_NONE },
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{ "if", SOURCE_NONE, FIELD_STR, if_atom_parser },
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{ "then", SOURCE_NONE },
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{ "else", SOURCE_NONE },
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};
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#define REF_FORMATTING_STATE_INIT { 0, NULL }
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@ -500,6 +538,13 @@ static int parse_ref_filter_atom(const struct ref_format *format,
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REALLOC_ARRAY(used_atom, used_atom_cnt);
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used_atom[at].name = xmemdupz(atom, ep - atom);
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used_atom[at].type = valid_atom[i].cmp_type;
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used_atom[at].source = valid_atom[i].source;
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if (used_atom[at].source == SOURCE_OBJ) {
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if (*atom == '*')
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oi_deref.info.contentp = &oi_deref.content;
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else
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oi.info.contentp = &oi.content;
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}
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if (arg) {
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arg = used_atom[at].name + (arg - atom) + 1;
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if (!*arg) {
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@ -795,25 +840,6 @@ int verify_ref_format(struct ref_format *format)
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return 0;
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}
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/*
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* Given an object name, read the object data and size, and return a
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* "struct object". If the object data we are returning is also borrowed
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* by the "struct object" representation, set *eaten as well---it is a
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* signal from parse_object_buffer to us not to free the buffer.
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*/
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static void *get_obj(const struct object_id *oid, struct object **obj, unsigned long *sz, int *eaten)
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{
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enum object_type type;
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void *buf = read_object_file(oid, &type, sz);
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if (buf)
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*obj = parse_object_buffer(the_repository, oid, type, *sz,
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buf, eaten);
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else
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*obj = NULL;
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return buf;
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}
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static int grab_objectname(const char *name, const struct object_id *oid,
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struct atom_value *v, struct used_atom *atom)
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{
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@ -834,7 +860,7 @@ static int grab_objectname(const char *name, const struct object_id *oid,
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}
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/* See grab_values */
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static void grab_common_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
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static void grab_common_values(struct atom_value *val, int deref, struct expand_data *oi)
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{
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int i;
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@ -846,13 +872,13 @@ static void grab_common_values(struct atom_value *val, int deref, struct object
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if (deref)
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name++;
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if (!strcmp(name, "objecttype"))
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v->s = type_name(obj->type);
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v->s = type_name(oi->type);
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else if (!strcmp(name, "objectsize")) {
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v->value = sz;
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v->s = xstrfmt("%lu", sz);
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v->value = oi->size;
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v->s = xstrfmt("%lu", oi->size);
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}
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else if (deref)
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grab_objectname(name, &obj->oid, v, &used_atom[i]);
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grab_objectname(name, &oi->oid, v, &used_atom[i]);
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}
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}
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@ -1211,7 +1237,6 @@ static void fill_missing_values(struct atom_value *val)
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*/
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static void grab_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
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{
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grab_common_values(val, deref, obj, buf, sz);
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switch (obj->type) {
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case OBJ_TAG:
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grab_tag_values(val, deref, obj, buf, sz);
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@ -1435,24 +1460,36 @@ static const char *get_refname(struct used_atom *atom, struct ref_array_item *re
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return show_ref(&atom->u.refname, ref->refname);
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}
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static int get_object(struct ref_array_item *ref, const struct object_id *oid,
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int deref, struct object **obj, struct strbuf *err)
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static int get_object(struct ref_array_item *ref, int deref, struct object **obj,
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struct expand_data *oi, struct strbuf *err)
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{
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int eaten;
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int ret = 0;
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unsigned long size;
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void *buf = get_obj(oid, obj, &size, &eaten);
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if (!buf)
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ret = strbuf_addf_ret(err, -1, _("missing object %s for %s"),
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oid_to_hex(oid), ref->refname);
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else if (!*obj)
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ret = strbuf_addf_ret(err, -1, _("parse_object_buffer failed on %s for %s"),
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oid_to_hex(oid), ref->refname);
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else
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grab_values(ref->value, deref, *obj, buf, size);
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/* parse_object_buffer() will set eaten to 0 if free() will be needed */
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int eaten = 1;
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if (oi->info.contentp) {
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/* We need to know that to use parse_object_buffer properly */
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oi->info.sizep = &oi->size;
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oi->info.typep = &oi->type;
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}
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if (oid_object_info_extended(the_repository, &oi->oid, &oi->info,
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OBJECT_INFO_LOOKUP_REPLACE))
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return strbuf_addf_ret(err, -1, _("missing object %s for %s"),
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oid_to_hex(&oi->oid), ref->refname);
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if (oi->info.contentp) {
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*obj = parse_object_buffer(the_repository, &oi->oid, oi->type, oi->size, oi->content, &eaten);
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if (!obj) {
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if (!eaten)
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free(oi->content);
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return strbuf_addf_ret(err, -1, _("parse_object_buffer failed on %s for %s"),
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oid_to_hex(&oi->oid), ref->refname);
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}
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grab_values(ref->value, deref, *obj, oi->content, oi->size);
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}
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grab_common_values(ref->value, deref, oi);
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if (!eaten)
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free(buf);
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return ret;
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free(oi->content);
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return 0;
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}
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/*
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@ -1462,7 +1499,7 @@ static int populate_value(struct ref_array_item *ref, struct strbuf *err)
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{
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struct object *obj;
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int i;
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const struct object_id *tagged;
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struct object_info empty = OBJECT_INFO_INIT;
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ref->value = xcalloc(used_atom_cnt, sizeof(struct atom_value));
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@ -1496,6 +1533,7 @@ static int populate_value(struct ref_array_item *ref, struct strbuf *err)
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refname = get_symref(atom, ref);
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else if (starts_with(name, "upstream")) {
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const char *branch_name;
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v->s = "";
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/* only local branches may have an upstream */
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if (!skip_prefix(ref->refname, "refs/heads/",
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&branch_name))
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@ -1508,6 +1546,7 @@ static int populate_value(struct ref_array_item *ref, struct strbuf *err)
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continue;
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} else if (atom->u.remote_ref.push) {
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const char *branch_name;
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v->s = "";
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if (!skip_prefix(ref->refname, "refs/heads/",
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&branch_name))
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continue;
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@ -1548,22 +1587,26 @@ static int populate_value(struct ref_array_item *ref, struct strbuf *err)
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continue;
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} else if (starts_with(name, "align")) {
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v->handler = align_atom_handler;
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v->s = "";
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continue;
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} else if (!strcmp(name, "end")) {
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v->handler = end_atom_handler;
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v->s = "";
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continue;
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} else if (starts_with(name, "if")) {
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const char *s;
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v->s = "";
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if (skip_prefix(name, "if:", &s))
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v->s = xstrdup(s);
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v->handler = if_atom_handler;
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continue;
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} else if (!strcmp(name, "then")) {
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v->handler = then_atom_handler;
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v->s = "";
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continue;
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} else if (!strcmp(name, "else")) {
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v->handler = else_atom_handler;
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v->s = "";
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continue;
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} else
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continue;
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@ -1576,13 +1619,20 @@ static int populate_value(struct ref_array_item *ref, struct strbuf *err)
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for (i = 0; i < used_atom_cnt; i++) {
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struct atom_value *v = &ref->value[i];
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if (v->s == NULL)
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break;
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if (v->s == NULL && used_atom[i].source == SOURCE_NONE)
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return strbuf_addf_ret(err, -1, _("missing object %s for %s"),
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oid_to_hex(&ref->objectname), ref->refname);
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}
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if (used_atom_cnt <= i)
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if (need_tagged)
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oi.info.contentp = &oi.content;
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if (!memcmp(&oi.info, &empty, sizeof(empty)) &&
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!memcmp(&oi_deref.info, &empty, sizeof(empty)))
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return 0;
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if (get_object(ref, &ref->objectname, 0, &obj, err))
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oi.oid = ref->objectname;
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if (get_object(ref, 0, &obj, &oi, err))
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return -1;
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/*
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@ -1596,7 +1646,7 @@ static int populate_value(struct ref_array_item *ref, struct strbuf *err)
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* If it is a tag object, see if we use a value that derefs
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* the object, and if we do grab the object it refers to.
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*/
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tagged = &((struct tag *)obj)->tagged->oid;
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oi_deref.oid = ((struct tag *)obj)->tagged->oid;
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/*
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* NEEDSWORK: This derefs tag only once, which
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@ -1604,7 +1654,7 @@ static int populate_value(struct ref_array_item *ref, struct strbuf *err)
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* is not consistent with what deref_tag() does
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* which peels the onion to the core.
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*/
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return get_object(ref, tagged, 1, &obj, err);
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return get_object(ref, 1, &obj, &oi_deref, err);
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}
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/*
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