зеркало из https://github.com/microsoft/git.git
Merge branch 'cb/ls-files-cdup' into maint
* cb/ls-files-cdup: ls-files: allow relative pathspec quote.c: separate quoting and relative path generation
This commit is contained in:
Junio C Hamano
Коммит
4b2405ce19
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@ -26,8 +26,9 @@ static int show_killed;
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static int show_valid_bit;
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static int line_terminator = '\n';
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static const char *prefix;
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static int max_prefix_len;
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static int prefix_len;
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static int prefix_offset;
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static const char **pathspec;
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static int error_unmatch;
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static char *ps_matched;
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@ -43,10 +44,15 @@ static const char *tag_modified = "";
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static const char *tag_skip_worktree = "";
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static const char *tag_resolve_undo = "";
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static void write_name(const char* name, size_t len)
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{
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write_name_quoted_relative(name, len, prefix, prefix_len, stdout,
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line_terminator);
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}
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static void show_dir_entry(const char *tag, struct dir_entry *ent)
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{
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int len = prefix_len;
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int offset = prefix_offset;
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int len = max_prefix_len;
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if (len >= ent->len)
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die("git ls-files: internal error - directory entry not superset of prefix");
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@ -55,7 +61,7 @@ static void show_dir_entry(const char *tag, struct dir_entry *ent)
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return;
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fputs(tag, stdout);
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write_name_quoted(ent->name + offset, stdout, line_terminator);
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write_name(ent->name, ent->len);
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}
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static void show_other_files(struct dir_struct *dir)
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@ -121,8 +127,7 @@ static void show_killed_files(struct dir_struct *dir)
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static void show_ce_entry(const char *tag, struct cache_entry *ce)
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{
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int len = prefix_len;
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int offset = prefix_offset;
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int len = max_prefix_len;
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if (len >= ce_namelen(ce))
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die("git ls-files: internal error - cache entry not superset of prefix");
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@ -156,20 +161,19 @@ static void show_ce_entry(const char *tag, struct cache_entry *ce)
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find_unique_abbrev(ce->sha1,abbrev),
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ce_stage(ce));
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}
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write_name_quoted(ce->name + offset, stdout, line_terminator);
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write_name(ce->name, ce_namelen(ce));
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}
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static int show_one_ru(struct string_list_item *item, void *cbdata)
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{
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int offset = prefix_offset;
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const char *path = item->string;
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struct resolve_undo_info *ui = item->util;
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int i, len;
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len = strlen(path);
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if (len < prefix_len)
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if (len < max_prefix_len)
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return 0; /* outside of the prefix */
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if (!match_pathspec(pathspec, path, len, prefix_len, ps_matched))
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if (!match_pathspec(pathspec, path, len, max_prefix_len, ps_matched))
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return 0; /* uninterested */
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for (i = 0; i < 3; i++) {
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if (!ui->mode[i])
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@ -177,19 +181,19 @@ static int show_one_ru(struct string_list_item *item, void *cbdata)
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printf("%s%06o %s %d\t", tag_resolve_undo, ui->mode[i],
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find_unique_abbrev(ui->sha1[i], abbrev),
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i + 1);
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write_name_quoted(path + offset, stdout, line_terminator);
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write_name(path, len);
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}
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return 0;
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}
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static void show_ru_info(const char *prefix)
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static void show_ru_info(void)
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{
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if (!the_index.resolve_undo)
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return;
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for_each_string_list(show_one_ru, the_index.resolve_undo, NULL);
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}
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static void show_files(struct dir_struct *dir, const char *prefix)
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static void show_files(struct dir_struct *dir)
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{
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int i;
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@ -243,7 +247,7 @@ static void show_files(struct dir_struct *dir, const char *prefix)
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*/
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static void prune_cache(const char *prefix)
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{
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int pos = cache_name_pos(prefix, prefix_len);
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int pos = cache_name_pos(prefix, max_prefix_len);
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unsigned int first, last;
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if (pos < 0)
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@ -256,7 +260,7 @@ static void prune_cache(const char *prefix)
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while (last > first) {
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int next = (last + first) >> 1;
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struct cache_entry *ce = active_cache[next];
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if (!strncmp(ce->name, prefix, prefix_len)) {
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if (!strncmp(ce->name, prefix, max_prefix_len)) {
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first = next+1;
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continue;
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}
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@ -265,11 +269,16 @@ static void prune_cache(const char *prefix)
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active_nr = last;
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}
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static const char *verify_pathspec(const char *prefix)
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static const char *pathspec_prefix(const char *prefix)
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{
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const char **p, *n, *prev;
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unsigned long max;
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if (!pathspec) {
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max_prefix_len = prefix ? strlen(prefix) : 0;
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return prefix;
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}
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prev = NULL;
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max = PATH_MAX;
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for (p = pathspec; (n = *p) != NULL; p++) {
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@ -291,10 +300,7 @@ static const char *verify_pathspec(const char *prefix)
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}
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}
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if (prefix_offset > max || memcmp(prev, prefix, prefix_offset))
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die("git ls-files: cannot generate relative filenames containing '..'");
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prefix_len = max;
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max_prefix_len = max;
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return max ? xmemdupz(prev, max) : NULL;
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}
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@ -374,7 +380,7 @@ void overlay_tree_on_cache(const char *tree_name, const char *prefix)
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}
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}
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int report_path_error(const char *ps_matched, const char **pathspec, int prefix_offset)
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int report_path_error(const char *ps_matched, const char **pathspec, int prefix_len)
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{
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/*
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* Make sure all pathspec matched; otherwise it is an error.
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@ -404,7 +410,7 @@ int report_path_error(const char *ps_matched, const char **pathspec, int prefix_
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continue;
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error("pathspec '%s' did not match any file(s) known to git.",
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pathspec[num] + prefix_offset);
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pathspec[num] + prefix_len);
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errors++;
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}
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return errors;
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@ -456,9 +462,10 @@ static int option_parse_exclude_standard(const struct option *opt,
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return 0;
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}
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int cmd_ls_files(int argc, const char **argv, const char *prefix)
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int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
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{
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int require_work_tree = 0, show_tag = 0;
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const char *max_prefix;
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struct dir_struct dir;
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struct option builtin_ls_files_options[] = {
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{ OPTION_CALLBACK, 'z', NULL, NULL, NULL,
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@ -504,7 +511,7 @@ int cmd_ls_files(int argc, const char **argv, const char *prefix)
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{ OPTION_CALLBACK, 0, "exclude-standard", &dir, NULL,
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"add the standard git exclusions",
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PARSE_OPT_NOARG, option_parse_exclude_standard },
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{ OPTION_SET_INT, 0, "full-name", &prefix_offset, NULL,
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{ OPTION_SET_INT, 0, "full-name", &prefix_len, NULL,
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"make the output relative to the project top directory",
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PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL },
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OPT_BOOLEAN(0, "error-unmatch", &error_unmatch,
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@ -516,8 +523,9 @@ int cmd_ls_files(int argc, const char **argv, const char *prefix)
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};
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memset(&dir, 0, sizeof(dir));
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prefix = cmd_prefix;
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if (prefix)
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prefix_offset = strlen(prefix);
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prefix_len = strlen(prefix);
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git_config(git_default_config, NULL);
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if (read_cache() < 0)
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@ -555,9 +563,8 @@ int cmd_ls_files(int argc, const char **argv, const char *prefix)
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if (pathspec)
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strip_trailing_slash_from_submodules();
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/* Verify that the pathspec matches the prefix */
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if (pathspec)
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prefix = verify_pathspec(prefix);
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/* Find common prefix for all pathspec's */
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max_prefix = pathspec_prefix(prefix);
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/* Treat unmatching pathspec elements as errors */
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if (pathspec && error_unmatch) {
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@ -575,8 +582,8 @@ int cmd_ls_files(int argc, const char **argv, const char *prefix)
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show_killed | show_modified | show_resolve_undo))
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show_cached = 1;
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if (prefix)
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prune_cache(prefix);
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if (max_prefix)
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prune_cache(max_prefix);
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if (with_tree) {
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/*
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* Basic sanity check; show-stages and show-unmerged
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@ -584,15 +591,15 @@ int cmd_ls_files(int argc, const char **argv, const char *prefix)
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*/
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if (show_stage || show_unmerged)
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die("ls-files --with-tree is incompatible with -s or -u");
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overlay_tree_on_cache(with_tree, prefix);
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overlay_tree_on_cache(with_tree, max_prefix);
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}
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show_files(&dir, prefix);
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show_files(&dir);
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if (show_resolve_undo)
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show_ru_info(prefix);
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show_ru_info();
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if (ps_matched) {
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int bad;
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bad = report_path_error(ps_matched, pathspec, prefix_offset);
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bad = report_path_error(ps_matched, pathspec, prefix_len);
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if (bad)
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fprintf(stderr, "Did you forget to 'git add'?\n");
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95
quote.c
95
quote.c
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@ -295,42 +295,75 @@ void write_name_quotedpfx(const char *pfx, size_t pfxlen,
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fputc(terminator, fp);
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}
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static const char *path_relative(const char *in, int len,
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struct strbuf *sb, const char *prefix,
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int prefix_len);
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void write_name_quoted_relative(const char *name, size_t len,
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const char *prefix, size_t prefix_len,
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FILE *fp, int terminator)
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{
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struct strbuf sb = STRBUF_INIT;
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name = path_relative(name, len, &sb, prefix, prefix_len);
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write_name_quoted(name, fp, terminator);
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strbuf_release(&sb);
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}
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/*
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* Give path as relative to prefix.
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*
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* The strbuf may or may not be used, so do not assume it contains the
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* returned path.
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*/
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static const char *path_relative(const char *in, int len,
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struct strbuf *sb, const char *prefix,
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int prefix_len)
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{
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int off, i;
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if (len < 0)
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len = strlen(in);
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if (prefix && prefix_len < 0)
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prefix_len = strlen(prefix);
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off = 0;
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i = 0;
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while (i < prefix_len && i < len && prefix[i] == in[i]) {
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if (prefix[i] == '/')
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off = i + 1;
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i++;
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}
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in += off;
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len -= off;
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if (i >= prefix_len)
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return in;
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strbuf_reset(sb);
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strbuf_grow(sb, len);
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while (i < prefix_len) {
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if (prefix[i] == '/')
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strbuf_addstr(sb, "../");
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i++;
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}
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strbuf_add(sb, in, len);
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return sb->buf;
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}
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/* quote path as relative to the given prefix */
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char *quote_path_relative(const char *in, int len,
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struct strbuf *out, const char *prefix)
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{
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int needquote;
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struct strbuf sb = STRBUF_INIT;
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const char *rel = path_relative(in, len, &sb, prefix, -1);
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strbuf_reset(out);
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quote_c_style_counted(rel, strlen(rel), out, NULL, 0);
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strbuf_release(&sb);
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if (len < 0)
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len = strlen(in);
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/* "../" prefix itself does not need quoting, but "in" might. */
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needquote = next_quote_pos(in, len) < len;
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strbuf_setlen(out, 0);
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strbuf_grow(out, len);
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if (needquote)
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strbuf_addch(out, '"');
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if (prefix) {
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int off = 0;
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while (prefix[off] && off < len && prefix[off] == in[off])
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if (prefix[off] == '/') {
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prefix += off + 1;
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in += off + 1;
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len -= off + 1;
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off = 0;
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} else
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off++;
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for (; *prefix; prefix++)
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if (*prefix == '/')
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strbuf_addstr(out, "../");
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}
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quote_c_style_counted (in, len, out, NULL, 1);
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if (needquote)
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strbuf_addch(out, '"');
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if (!out->len)
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strbuf_addstr(out, "./");
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5
quote.h
5
quote.h
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@ -54,9 +54,12 @@ extern void quote_two_c_style(struct strbuf *, const char *, const char *, int);
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extern void write_name_quoted(const char *name, FILE *, int terminator);
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extern void write_name_quotedpfx(const char *pfx, size_t pfxlen,
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const char *name, FILE *, int terminator);
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extern void write_name_quoted_relative(const char *name, size_t len,
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const char *prefix, size_t prefix_len,
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FILE *fp, int terminator);
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/* quote path as relative to the given prefix */
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char *quote_path_relative(const char *in, int len,
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extern char *quote_path_relative(const char *in, int len,
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struct strbuf *out, const char *prefix);
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/* quoting as a string literal for other languages */
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@ -103,14 +103,10 @@ test_expect_success 'git ls-files (relative #3)' '
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git add a &&
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(
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cd a/b &&
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if git ls-files "../e/f"
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then
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echo Gaah, should have failed
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exit 1
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else
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: happy
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fi
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)
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git ls-files "../e/f"
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) >current &&
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echo ../e/f >expect &&
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test_cmp expect current
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'
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