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Mon, 15 Jun 2026 21:52:01 -0700 (PDT) Received: from jayatheerth ([2405:201:c005:b959:7d42:d207:de10:1218]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8434b040718sm12122614b3a.51.2026.06.15.21.51.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Jun 2026 21:52:00 -0700 (PDT) From: K Jayatheerth To: git@vger.kernel.org Cc: jltobler@gmail.com, lucasseikioshiro@gmail.com, gitster@pobox.com, phillip.wood@dunelm.org.uk, sandals@crustytoothpaste.net, kumarayushjha123@gmail.com, a3205153416@gmail.com, K Jayatheerth Subject: [GSoC Patch v5 2/4] rev-parse: use append_formatted_path() for path formatting Date: Tue, 16 Jun 2026 10:19:51 +0530 Message-ID: <20260616044953.184806-3-jayatheerthkulkarni2005@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260616044953.184806-1-jayatheerthkulkarni2005@gmail.com> References: <20260601151950.30686-1-jayatheerthkulkarni2005@gmail.com> <20260616044953.184806-1-jayatheerthkulkarni2005@gmail.com> Precedence: bulk X-Mailing-List: git@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Now that path formatting logic lives in a shared helper, keeping a duplicate implementation in rev-parse is unnecessary and risks the two diverging over time. Replace the local format_type and default_type enums and the hand-rolled formatting logic with a call to append_formatted_path(). Introduce PATH_FORMAT_DEFAULT as the initial value of arg_path_format so that per-path fallback behavior is resolved in print_path() rather than leaked into the shared helper. Mentored-by: Justin Tobler Mentored-by: Lucas Seiki Oshiro Signed-off-by: K Jayatheerth --- builtin/rev-parse.c | 104 ++++++++++---------------------------------- 1 file changed, 24 insertions(+), 80 deletions(-) diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c index 218b5f34d6..1fdcb946a7 100644 --- a/builtin/rev-parse.c +++ b/builtin/rev-parse.c @@ -632,73 +632,17 @@ static void handle_ref_opt(const char *pattern, const char *prefix) clear_ref_exclusions(&ref_excludes); } -enum format_type { - /* We would like a relative path. */ - FORMAT_RELATIVE, - /* We would like a canonical absolute path. */ - FORMAT_CANONICAL, - /* We would like the default behavior. */ - FORMAT_DEFAULT, -}; - -enum default_type { - /* Our default is a relative path. */ - DEFAULT_RELATIVE, - /* Our default is a relative path if there's a shared root. */ - DEFAULT_RELATIVE_IF_SHARED, - /* Our default is a canonical absolute path. */ - DEFAULT_CANONICAL, - /* Our default is not to modify the item. */ - DEFAULT_UNMODIFIED, -}; - -static void print_path(const char *path, const char *prefix, enum format_type format, enum default_type def) +static void print_path(const char *path, const char *prefix, + enum path_format arg_path_format, enum path_format def_format) { - char *cwd = NULL; - /* - * We don't ever produce a relative path if prefix is NULL, so set the - * prefix to the current directory so that we can produce a relative - * path whenever possible. If we're using RELATIVE_IF_SHARED mode, then - * we want an absolute path unless the two share a common prefix, so don't - * set it in that case, since doing so causes a relative path to always - * be produced if possible. - */ - if (!prefix && (format != FORMAT_DEFAULT || def != DEFAULT_RELATIVE_IF_SHARED)) - prefix = cwd = xgetcwd(); - if (format == FORMAT_DEFAULT && def == DEFAULT_UNMODIFIED) { - puts(path); - } else if (format == FORMAT_RELATIVE || - (format == FORMAT_DEFAULT && def == DEFAULT_RELATIVE)) { - /* - * In order for relative_path to work as expected, we need to - * make sure that both paths are absolute paths. If we don't, - * we can end up with an unexpected absolute path that the user - * didn't want. - */ - struct strbuf buf = STRBUF_INIT, realbuf = STRBUF_INIT, prefixbuf = STRBUF_INIT; - if (!is_absolute_path(path)) { - strbuf_realpath_forgiving(&realbuf, path, 1); - path = realbuf.buf; - } - if (!is_absolute_path(prefix)) { - strbuf_realpath_forgiving(&prefixbuf, prefix, 1); - prefix = prefixbuf.buf; - } - puts(relative_path(path, prefix, &buf)); - strbuf_release(&buf); - strbuf_release(&realbuf); - strbuf_release(&prefixbuf); - } else if (format == FORMAT_DEFAULT && def == DEFAULT_RELATIVE_IF_SHARED) { - struct strbuf buf = STRBUF_INIT; - puts(relative_path(path, prefix, &buf)); - strbuf_release(&buf); - } else { - struct strbuf buf = STRBUF_INIT; - strbuf_realpath_forgiving(&buf, path, 1); - puts(buf.buf); - strbuf_release(&buf); - } - free(cwd); + struct strbuf sb = STRBUF_INIT; + /* If the user didn't explicitly specify a format, fallback to the path-specific default. */ + enum path_format fmt = (arg_path_format != PATH_FORMAT_DEFAULT) ? arg_path_format : def_format; + + append_formatted_path(&sb, path, prefix, fmt); + puts(sb.buf); + + strbuf_release(&sb); } int cmd_rev_parse(int argc, @@ -717,7 +661,7 @@ int cmd_rev_parse(int argc, const char *name = NULL; struct strbuf buf = STRBUF_INIT; int seen_end_of_options = 0; - enum format_type format = FORMAT_DEFAULT; + enum path_format arg_path_format = PATH_FORMAT_DEFAULT; show_usage_if_asked(argc, argv, builtin_rev_parse_usage); @@ -797,8 +741,8 @@ int cmd_rev_parse(int argc, die(_("--git-path requires an argument")); print_path(repo_git_path_replace(the_repository, &buf, "%s", argv[i + 1]), prefix, - format, - DEFAULT_RELATIVE_IF_SHARED); + arg_path_format, + PATH_FORMAT_RELATIVE_IF_SHARED); i++; continue; } @@ -820,9 +764,9 @@ int cmd_rev_parse(int argc, if (!arg) die(_("--path-format requires an argument")); if (!strcmp(arg, "absolute")) { - format = FORMAT_CANONICAL; + arg_path_format = PATH_FORMAT_CANONICAL; } else if (!strcmp(arg, "relative")) { - format = FORMAT_RELATIVE; + arg_path_format = PATH_FORMAT_RELATIVE; } else { die(_("unknown argument to --path-format: %s"), arg); } @@ -985,7 +929,7 @@ int cmd_rev_parse(int argc, if (!strcmp(arg, "--show-toplevel")) { const char *work_tree = repo_get_work_tree(the_repository); if (work_tree) - print_path(work_tree, prefix, format, DEFAULT_UNMODIFIED); + print_path(work_tree, prefix, arg_path_format, PATH_FORMAT_UNMODIFIED); else die(_("this operation must be run in a work tree")); continue; @@ -993,7 +937,7 @@ int cmd_rev_parse(int argc, if (!strcmp(arg, "--show-superproject-working-tree")) { struct strbuf superproject = STRBUF_INIT; if (get_superproject_working_tree(&superproject)) - print_path(superproject.buf, prefix, format, DEFAULT_UNMODIFIED); + print_path(superproject.buf, prefix, arg_path_format, PATH_FORMAT_UNMODIFIED); strbuf_release(&superproject); continue; } @@ -1028,18 +972,18 @@ int cmd_rev_parse(int argc, const char *gitdir = getenv(GIT_DIR_ENVIRONMENT); char *cwd; int len; - enum format_type wanted = format; + enum path_format wanted = arg_path_format; if (arg[2] == 'g') { /* --git-dir */ if (gitdir) { - print_path(gitdir, prefix, format, DEFAULT_UNMODIFIED); + print_path(gitdir, prefix, arg_path_format, PATH_FORMAT_UNMODIFIED); continue; } if (!prefix) { - print_path(".git", prefix, format, DEFAULT_UNMODIFIED); + print_path(".git", prefix, arg_path_format, PATH_FORMAT_UNMODIFIED); continue; } } else { /* --absolute-git-dir */ - wanted = FORMAT_CANONICAL; + wanted = PATH_FORMAT_CANONICAL; if (!gitdir && !prefix) gitdir = ".git"; if (gitdir) { @@ -1055,11 +999,11 @@ int cmd_rev_parse(int argc, strbuf_reset(&buf); strbuf_addf(&buf, "%s%s.git", cwd, len && cwd[len-1] != '/' ? "/" : ""); free(cwd); - print_path(buf.buf, prefix, wanted, DEFAULT_CANONICAL); + print_path(buf.buf, prefix, wanted, PATH_FORMAT_CANONICAL); continue; } if (!strcmp(arg, "--git-common-dir")) { - print_path(repo_get_common_dir(the_repository), prefix, format, DEFAULT_RELATIVE_IF_SHARED); + print_path(repo_get_common_dir(the_repository), prefix, arg_path_format, PATH_FORMAT_RELATIVE_IF_SHARED); continue; } if (!strcmp(arg, "--is-inside-git-dir")) { @@ -1089,7 +1033,7 @@ int cmd_rev_parse(int argc, if (the_repository->index->split_index) { const struct object_id *oid = &the_repository->index->split_index->base_oid; const char *path = repo_git_path_replace(the_repository, &buf, "sharedindex.%s", oid_to_hex(oid)); - print_path(path, prefix, format, DEFAULT_RELATIVE); + print_path(path, prefix, arg_path_format, PATH_FORMAT_RELATIVE); } continue; } -- 2.54.0