155 lines
3.4 KiB
C
155 lines
3.4 KiB
C
#define USE_THE_REPOSITORY_VARIABLE
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#include "builtin.h"
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#include "parse-options.h"
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#include "refs.h"
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#include "environment.h"
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#include "shallow.h"
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typedef const char *get_value_fn(struct repository *repo);
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enum output_format {
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FORMAT_KEYVALUE,
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FORMAT_NULL_TERMINATED,
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};
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struct field {
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const char *key;
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get_value_fn *add_field_callback;
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};
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static const char *get_layout_bare(struct repository *repo UNUSED)
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{
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return is_bare_repository() ? "true" : "false";
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}
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static const char *get_layout_shallow(struct repository *repo)
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{
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return is_repository_shallow(repo) ? "true" : "false";
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}
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static const char *get_references_format(struct repository *repo)
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{
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return ref_storage_format_to_name(repo->ref_storage_format);
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}
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/* repo_info_fields keys should be in lexicographical order */
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static const struct field repo_info_fields[] = {
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{ "layout.bare", get_layout_bare },
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{ "layout.shallow", get_layout_shallow },
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{ "references.format", get_references_format },
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};
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static int repo_info_fields_cmp(const void *va, const void *vb)
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{
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const struct field *a = va;
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const struct field *b = vb;
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return strcmp(a->key, b->key);
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}
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static get_value_fn *get_value_callback(const char *key)
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{
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const struct field search_key = { key, NULL };
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const struct field *found = bsearch(&search_key, repo_info_fields,
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ARRAY_SIZE(repo_info_fields),
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sizeof(struct field),
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repo_info_fields_cmp);
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return found ? found->add_field_callback : NULL;
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}
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static int qsort_strcmp(const void *va, const void *vb)
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{
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const char *a = *(const char **)va;
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const char *b = *(const char **)vb;
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return strcmp(a, b);
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}
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static int print_fields(int argc, const char **argv,
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struct repository *repo,
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enum output_format format)
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{
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const char *last = "";
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char kv_sep;
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char field_sep;
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switch (format) {
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case FORMAT_KEYVALUE:
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kv_sep = '=';
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field_sep = '\n';
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break;
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case FORMAT_NULL_TERMINATED:
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kv_sep = '\n';
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field_sep = '\0';
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break;
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}
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QSORT(argv, argc, qsort_strcmp);
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for (int i = 0; i < argc; i++) {
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get_value_fn *callback;
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const char *key = argv[i];
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const char *value;
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if (!strcmp(key, last))
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continue;
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callback = get_value_callback(key);
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if (!callback)
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return error("key %s not found", key);
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value = callback(repo);
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printf("%s%c%s%c", key, kv_sep, value, field_sep);
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last = key;
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}
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return 0;
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}
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static int repo_info(int argc, const char **argv, const char *prefix,
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struct repository *repo)
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{
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const char *format_str = "keyvalue";
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enum output_format format;
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const char *const repo_info_usage[] = {
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"git repo info [<key>...]",
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NULL
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};
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struct option options[] = {
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OPT_STRING(0, "format", &format_str, N_("format"),
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N_("output format")),
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OPT_END()
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};
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argc = parse_options(argc, argv, prefix, options, repo_info_usage, 0);
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if (!strcmp(format_str, "keyvalue"))
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format = FORMAT_KEYVALUE;
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else if (!strcmp(format_str, "null"))
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format = FORMAT_NULL_TERMINATED;
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else
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die("invalid format %s", format_str);
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return print_fields(argc, argv, repo, format);
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}
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int cmd_repo(int argc, const char **argv, const char *prefix,
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struct repository *repo)
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{
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parse_opt_subcommand_fn *fn = NULL;
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const char *const repo_usage[] = {
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"git repo info [<key>...]",
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NULL
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};
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struct option options[] = {
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OPT_SUBCOMMAND("info", &fn, repo_info),
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OPT_END()
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};
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argc = parse_options(argc, argv, prefix, options, repo_usage, 0);
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return fn(argc, argv, prefix, repo);
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}
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