зеркало из https://github.com/microsoft/git.git
ls-tree: use a "struct options"
As a first step towards being able to turn this code into an API some day let's change the "static" options in builtin/ls-tree.c into a "struct ls_tree_options" that can be constructed dynamically without the help of parse_options(). Because we're now using non-static variables for this we'll need to clear_pathspec() at the end of cmd_ls_tree(), least various tests start failing under SANITIZE=leak. The memory leak was already there before, now it's just being brought to the surface. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Teng Long <dyroneteng@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason
Junio C Hamano
Родитель
7677417b57
Коммит
030a3d5d9e
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@ -14,37 +14,11 @@
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#include "parse-options.h"
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#include "pathspec.h"
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static int line_termination = '\n';
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#define LS_RECURSIVE 1
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#define LS_TREE_ONLY (1 << 1)
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#define LS_SHOW_TREES (1 << 2)
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static int abbrev;
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static int ls_options;
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static struct pathspec pathspec;
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static int chomp_prefix;
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static const char *ls_tree_prefix;
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static const char *format;
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struct show_tree_data {
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unsigned mode;
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enum object_type type;
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const struct object_id *oid;
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const char *pathname;
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struct strbuf *base;
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};
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static const char * const ls_tree_usage[] = {
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N_("git ls-tree [<options>] <tree-ish> [<path>...]"),
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NULL
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};
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static enum ls_tree_cmdmode {
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MODE_DEFAULT = 0,
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MODE_LONG,
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MODE_NAME_ONLY,
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MODE_NAME_STATUS,
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MODE_OBJECT_ONLY,
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} cmdmode;
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static void expand_objectsize(struct strbuf *line, const struct object_id *oid,
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const enum object_type type, unsigned int padded)
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{
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@ -64,10 +38,39 @@ static void expand_objectsize(struct strbuf *line, const struct object_id *oid,
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}
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}
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struct ls_tree_options {
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int line_termination;
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int abbrev;
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enum ls_tree_path_options {
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LS_RECURSIVE = 1 << 0,
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LS_TREE_ONLY = 1 << 1,
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LS_SHOW_TREES = 1 << 2,
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} ls_options;
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struct pathspec pathspec;
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int chomp_prefix;
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const char *ls_tree_prefix;
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const char *format;
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};
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struct show_tree_data {
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unsigned mode;
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enum object_type type;
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const struct object_id *oid;
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const char *pathname;
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struct strbuf *base;
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};
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struct show_tree_data_cb {
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struct ls_tree_options *options;
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struct show_tree_data *data;
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};
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static size_t expand_show_tree(struct strbuf *sb, const char *start,
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void *context)
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{
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struct show_tree_data *data = context;
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struct show_tree_data_cb *wrapper = context;
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struct ls_tree_options *options = wrapper->options;
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struct show_tree_data *data = wrapper->data;
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const char *end;
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const char *p;
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unsigned int errlen;
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@ -92,10 +95,10 @@ static size_t expand_show_tree(struct strbuf *sb, const char *start,
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} else if (skip_prefix(start, "(objectsize)", &p)) {
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expand_objectsize(sb, data->oid, data->type, 0);
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} else if (skip_prefix(start, "(objectname)", &p)) {
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strbuf_add_unique_abbrev(sb, data->oid, abbrev);
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strbuf_add_unique_abbrev(sb, data->oid, options->abbrev);
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} else if (skip_prefix(start, "(path)", &p)) {
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const char *name = data->base->buf;
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const char *prefix = chomp_prefix ? ls_tree_prefix : NULL;
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const char *prefix = options->chomp_prefix ? options->ls_tree_prefix : NULL;
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struct strbuf quoted = STRBUF_INIT;
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struct strbuf sbuf = STRBUF_INIT;
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strbuf_addstr(data->base, data->pathname);
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@ -111,18 +114,19 @@ static size_t expand_show_tree(struct strbuf *sb, const char *start,
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return len;
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}
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static int show_recursive(const char *base, size_t baselen, const char *pathname)
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static int show_recursive(struct ls_tree_options *options, const char *base,
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size_t baselen, const char *pathname)
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{
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int i;
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if (ls_options & LS_RECURSIVE)
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if (options->ls_options & LS_RECURSIVE)
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return 1;
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if (!pathspec.nr)
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if (!options->pathspec.nr)
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return 0;
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for (i = 0; i < pathspec.nr; i++) {
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const char *spec = pathspec.items[i].match;
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for (i = 0; i < options->pathspec.nr; i++) {
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const char *spec = options->pathspec.items[i].match;
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size_t len, speclen;
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if (strncmp(base, spec, baselen))
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@ -142,13 +146,13 @@ static int show_recursive(const char *base, size_t baselen, const char *pathname
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}
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static int show_tree_fmt(const struct object_id *oid, struct strbuf *base,
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const char *pathname, unsigned mode, void *context UNUSED)
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const char *pathname, unsigned mode, void *context)
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{
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struct ls_tree_options *options = context;
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size_t baselen;
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int recurse = 0;
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struct strbuf sb = STRBUF_INIT;
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enum object_type type = object_type(mode);
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struct show_tree_data data = {
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.mode = mode,
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.type = type,
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@ -156,81 +160,89 @@ static int show_tree_fmt(const struct object_id *oid, struct strbuf *base,
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.pathname = pathname,
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.base = base,
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};
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struct show_tree_data_cb cb_data = {
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.data = &data,
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.options = options,
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};
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if (type == OBJ_TREE && show_recursive(base->buf, base->len, pathname))
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if (type == OBJ_TREE && show_recursive(options, base->buf, base->len, pathname))
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recurse = READ_TREE_RECURSIVE;
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if (type == OBJ_TREE && recurse && !(ls_options & LS_SHOW_TREES))
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if (type == OBJ_TREE && recurse && !(options->ls_options & LS_SHOW_TREES))
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return recurse;
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if (type == OBJ_BLOB && (ls_options & LS_TREE_ONLY))
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if (type == OBJ_BLOB && (options->ls_options & LS_TREE_ONLY))
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return 0;
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baselen = base->len;
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strbuf_expand(&sb, format, expand_show_tree, &data);
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strbuf_addch(&sb, line_termination);
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strbuf_expand(&sb, options->format, expand_show_tree, &cb_data);
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strbuf_addch(&sb, options->line_termination);
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fwrite(sb.buf, sb.len, 1, stdout);
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strbuf_release(&sb);
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strbuf_setlen(base, baselen);
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return recurse;
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}
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static int show_tree_common(int *recurse, struct strbuf *base,
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const char *pathname, enum object_type type)
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static int show_tree_common(struct ls_tree_options *options, int *recurse,
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struct strbuf *base, const char *pathname,
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enum object_type type)
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{
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int ret = -1;
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*recurse = 0;
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if (type == OBJ_BLOB) {
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if (ls_options & LS_TREE_ONLY)
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if (options->ls_options & LS_TREE_ONLY)
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ret = 0;
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} else if (type == OBJ_TREE &&
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show_recursive(base->buf, base->len, pathname)) {
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show_recursive(options, base->buf, base->len, pathname)) {
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*recurse = READ_TREE_RECURSIVE;
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if (!(ls_options & LS_SHOW_TREES))
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if (!(options->ls_options & LS_SHOW_TREES))
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ret = *recurse;
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}
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return ret;
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}
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static void show_tree_common_default_long(struct strbuf *base,
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static void show_tree_common_default_long(struct ls_tree_options *options,
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struct strbuf *base,
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const char *pathname,
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const size_t baselen)
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{
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strbuf_addstr(base, pathname);
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write_name_quoted_relative(base->buf,
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chomp_prefix ? ls_tree_prefix : NULL, stdout,
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line_termination);
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options->chomp_prefix ? options->ls_tree_prefix : NULL, stdout,
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options->line_termination);
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strbuf_setlen(base, baselen);
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}
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static int show_tree_default(const struct object_id *oid, struct strbuf *base,
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const char *pathname, unsigned mode,
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void *context UNUSED)
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void *context)
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{
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struct ls_tree_options *options = context;
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int early;
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int recurse;
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enum object_type type = object_type(mode);
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early = show_tree_common(&recurse, base, pathname, type);
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early = show_tree_common(options, &recurse, base, pathname, type);
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if (early >= 0)
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return early;
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printf("%06o %s %s\t", mode, type_name(object_type(mode)),
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find_unique_abbrev(oid, abbrev));
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show_tree_common_default_long(base, pathname, base->len);
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find_unique_abbrev(oid, options->abbrev));
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show_tree_common_default_long(options, base, pathname, base->len);
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return recurse;
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}
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static int show_tree_long(const struct object_id *oid, struct strbuf *base,
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const char *pathname, unsigned mode,
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void *context UNUSED)
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void *context)
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{
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struct ls_tree_options *options = context;
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int early;
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int recurse;
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char size_text[24];
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enum object_type type = object_type(mode);
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early = show_tree_common(&recurse, base, pathname, type);
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early = show_tree_common(options, &recurse, base, pathname, type);
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if (early >= 0)
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return early;
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@ -246,48 +258,58 @@ static int show_tree_long(const struct object_id *oid, struct strbuf *base,
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}
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printf("%06o %s %s %7s\t", mode, type_name(type),
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find_unique_abbrev(oid, abbrev), size_text);
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show_tree_common_default_long(base, pathname, base->len);
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find_unique_abbrev(oid, options->abbrev), size_text);
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show_tree_common_default_long(options, base, pathname, base->len);
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return recurse;
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}
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static int show_tree_name_only(const struct object_id *oid, struct strbuf *base,
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const char *pathname, unsigned mode,
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void *context UNUSED)
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void *context)
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{
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struct ls_tree_options *options = context;
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int early;
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int recurse;
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const size_t baselen = base->len;
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enum object_type type = object_type(mode);
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early = show_tree_common(&recurse, base, pathname, type);
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early = show_tree_common(options, &recurse, base, pathname, type);
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if (early >= 0)
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return early;
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strbuf_addstr(base, pathname);
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write_name_quoted_relative(base->buf,
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chomp_prefix ? ls_tree_prefix : NULL,
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stdout, line_termination);
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options->chomp_prefix ? options->ls_tree_prefix : NULL,
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stdout, options->line_termination);
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strbuf_setlen(base, baselen);
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return recurse;
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}
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static int show_tree_object(const struct object_id *oid, struct strbuf *base,
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const char *pathname, unsigned mode,
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void *context UNUSED)
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void *context)
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{
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struct ls_tree_options *options = context;
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int early;
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int recurse;
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enum object_type type = object_type(mode);
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early = show_tree_common(&recurse, base, pathname, type);
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early = show_tree_common(options, &recurse, base, pathname, type);
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if (early >= 0)
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return early;
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printf("%s%c", find_unique_abbrev(oid, abbrev), line_termination);
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printf("%s%c", find_unique_abbrev(oid, options->abbrev), options->line_termination);
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return recurse;
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}
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enum ls_tree_cmdmode {
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MODE_DEFAULT = 0,
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MODE_LONG,
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MODE_NAME_ONLY,
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MODE_NAME_STATUS,
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MODE_OBJECT_ONLY,
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};
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struct ls_tree_cmdmode_to_fmt {
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enum ls_tree_cmdmode mode;
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const char *const fmt;
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@ -327,14 +349,18 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix)
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struct tree *tree;
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int i, full_tree = 0;
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read_tree_fn_t fn = NULL;
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enum ls_tree_cmdmode cmdmode = MODE_DEFAULT;
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struct ls_tree_options options = {
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.line_termination = '\n',
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};
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const struct option ls_tree_options[] = {
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OPT_BIT('d', NULL, &ls_options, N_("only show trees"),
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OPT_BIT('d', NULL, &options.ls_options, N_("only show trees"),
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LS_TREE_ONLY),
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OPT_BIT('r', NULL, &ls_options, N_("recurse into subtrees"),
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OPT_BIT('r', NULL, &options.ls_options, N_("recurse into subtrees"),
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LS_RECURSIVE),
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OPT_BIT('t', NULL, &ls_options, N_("show trees when recursing"),
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OPT_BIT('t', NULL, &options.ls_options, N_("show trees when recursing"),
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LS_SHOW_TREES),
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OPT_SET_INT('z', NULL, &line_termination,
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OPT_SET_INT('z', NULL, &options.line_termination,
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N_("terminate entries with NUL byte"), 0),
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OPT_CMDMODE('l', "long", &cmdmode, N_("include object size"),
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MODE_LONG),
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@ -344,29 +370,30 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix)
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MODE_NAME_STATUS),
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OPT_CMDMODE(0, "object-only", &cmdmode, N_("list only objects"),
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MODE_OBJECT_ONLY),
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OPT_SET_INT(0, "full-name", &chomp_prefix,
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OPT_SET_INT(0, "full-name", &options.chomp_prefix,
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N_("use full path names"), 0),
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OPT_BOOL(0, "full-tree", &full_tree,
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N_("list entire tree; not just current directory "
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"(implies --full-name)")),
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OPT_STRING_F(0, "format", &format, N_("format"),
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OPT_STRING_F(0, "format", &options.format, N_("format"),
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N_("format to use for the output"),
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PARSE_OPT_NONEG),
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OPT__ABBREV(&abbrev),
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OPT__ABBREV(&options.abbrev),
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OPT_END()
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};
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struct ls_tree_cmdmode_to_fmt *m2f = ls_tree_cmdmode_format;
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int ret;
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git_config(git_default_config, NULL);
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ls_tree_prefix = prefix;
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options.ls_tree_prefix = prefix;
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if (prefix)
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chomp_prefix = strlen(prefix);
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options.chomp_prefix = strlen(prefix);
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argc = parse_options(argc, argv, prefix, ls_tree_options,
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ls_tree_usage, 0);
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if (full_tree) {
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ls_tree_prefix = prefix = NULL;
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chomp_prefix = 0;
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options.ls_tree_prefix = prefix = NULL;
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options.chomp_prefix = 0;
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}
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/*
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* We wanted to detect conflicts between --name-only and
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|
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@ -378,10 +405,10 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix)
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/* -d -r should imply -t, but -d by itself should not have to. */
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if ( (LS_TREE_ONLY|LS_RECURSIVE) ==
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((LS_TREE_ONLY|LS_RECURSIVE) & ls_options))
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ls_options |= LS_SHOW_TREES;
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((LS_TREE_ONLY|LS_RECURSIVE) & options.ls_options))
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options.ls_options |= LS_SHOW_TREES;
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if (format && cmdmode)
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if (options.format && cmdmode)
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usage_msg_opt(
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_("--format can't be combined with other format-altering options"),
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ls_tree_usage, ls_tree_options);
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|
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@ -396,13 +423,13 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix)
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* cannot be lifted until it is converted to use
|
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* match_pathspec() or tree_entry_interesting()
|
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*/
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parse_pathspec(&pathspec, PATHSPEC_ALL_MAGIC &
|
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~(PATHSPEC_FROMTOP | PATHSPEC_LITERAL),
|
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parse_pathspec(&options.pathspec, PATHSPEC_ALL_MAGIC &
|
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~(PATHSPEC_FROMTOP | PATHSPEC_LITERAL),
|
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PATHSPEC_PREFER_CWD,
|
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prefix, argv + 1);
|
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for (i = 0; i < pathspec.nr; i++)
|
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pathspec.items[i].nowildcard_len = pathspec.items[i].len;
|
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pathspec.has_wildcard = 0;
|
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for (i = 0; i < options.pathspec.nr; i++)
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options.pathspec.items[i].nowildcard_len = options.pathspec.items[i].len;
|
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options.pathspec.has_wildcard = 0;
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tree = parse_tree_indirect(&oid);
|
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if (!tree)
|
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die("not a tree object");
|
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|
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@ -412,11 +439,11 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix)
|
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*/
|
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while (m2f) {
|
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if (!m2f->fmt) {
|
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fn = format ? show_tree_fmt : show_tree_default;
|
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} else if (format && !strcmp(format, m2f->fmt)) {
|
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fn = options.format ? show_tree_fmt : show_tree_default;
|
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} else if (options.format && !strcmp(options.format, m2f->fmt)) {
|
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cmdmode = m2f->mode;
|
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fn = m2f->fn;
|
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} else if (!format && cmdmode == m2f->mode) {
|
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} else if (!options.format && cmdmode == m2f->mode) {
|
||||
fn = m2f->fn;
|
||||
} else {
|
||||
m2f++;
|
||||
|
|
@ -425,5 +452,7 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix)
|
|||
break;
|
||||
}
|
||||
|
||||
return !!read_tree(the_repository, tree, &pathspec, fn, NULL);
|
||||
ret = !!read_tree(the_repository, tree, &options.pathspec, fn, &options);
|
||||
clear_pathspec(&options.pathspec);
|
||||
return ret;
|
||||
}
|
||||
|
|
|
|||
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