From owner-dev-commits-src-branches@freebsd.org Sat Sep 25 08:41:25 2021 Return-Path: Delivered-To: dev-commits-src-branches@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id C623367DDB4; Sat, 25 Sep 2021 08:41:25 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4HGj6s4YXHz3lph; Sat, 25 Sep 2021 08:41:25 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 605EF27396; Sat, 25 Sep 2021 08:41:25 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 18P8fPj5017949; Sat, 25 Sep 2021 08:41:25 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 18P8fPjX017948; Sat, 25 Sep 2021 08:41:25 GMT (envelope-from git) Date: Sat, 25 Sep 2021 08:41:25 GMT Message-Id: <202109250841.18P8fPjX017948@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Piotr Pawel Stefaniak Subject: git: b2b7eb9e23dc - stable/13 - sh: improve command completion MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: pstef X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: b2b7eb9e23dcb4381780590fb7393b17d19100f5 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-branches@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commits to the stable branches of the FreeBSD src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 25 Sep 2021 08:41:26 -0000 The branch stable/13 has been updated by pstef: URL: https://cgit.FreeBSD.org/src/commit/?id=b2b7eb9e23dcb4381780590fb7393b17d19100f5 commit b2b7eb9e23dcb4381780590fb7393b17d19100f5 Author: Piotr Pawel Stefaniak AuthorDate: 2021-09-18 11:26:51 +0000 Commit: Piotr Pawel Stefaniak CommitDate: 2021-09-25 08:34:38 +0000 sh: improve command completion When multiple matches are found, we keep the provided string on the input line and print unique matches as suggestions. But the multiple matches might be the same command found in different directories, so we should deduplicate the matches first and then decide whether to autocomplete the command or not, based on the number of unique matches. (cherry picked from commit b8ff849cbddfee3404d6550cf98f53d6bb617707) --- bin/sh/histedit.c | 40 +++++++++++++++++++--------------------- 1 file changed, 19 insertions(+), 21 deletions(-) diff --git a/bin/sh/histedit.c b/bin/sh/histedit.c index 8d9e9fc64db3..488a0b355f80 100644 --- a/bin/sh/histedit.c +++ b/bin/sh/histedit.c @@ -530,7 +530,7 @@ static char char *free_path = NULL, *path; const char *dirname; char **matches = NULL; - size_t i = 0, size = 16, j, k; + size_t i = 0, size = 16, uniq; size_t curpos = end - start; if (start > 0 || memchr("/.~", text[0], 3) != NULL) @@ -579,6 +579,21 @@ static char } out: free(free_path); + if (i == 0) { + free(matches); + return (NULL); + } + uniq = 1; + if (i > 1) { + qsort_s(matches + 1, i, sizeof(matches[0]), comparator, + (void *)(intptr_t)curpos); + for (size_t k = 2; k <= i; k++) + if (strcmp(matches[uniq] + curpos, matches[k] + curpos) == 0) + free(matches[k]); + else + matches[++uniq] = matches[k]; + } + matches[uniq + 1] = NULL; /* * matches[0] is special: it's not a real matching file name but a common * prefix for all matching names. It can't be null, unlike any other @@ -588,30 +603,13 @@ out: * string in matches[0] which is the reason to copy the full name of the * only match. */ - if (i == 0) { - free(matches); - return (NULL); - } else if (i == 1) { - matches[0] = strdup(matches[1]); - matches[2] = NULL; - if (matches[0] != NULL) - return (matches); - } else - matches[0] = strdup(text); + matches[0] = strdup(uniq == 1 ? matches[1] : text); if (matches[0] == NULL) { - for (j = 1; j <= i; j++) - free(matches[j]); + for (size_t k = 1; k <= uniq; k++) + free(matches[k]); free(matches); return (NULL); } - qsort_s(matches + 1, i, sizeof(matches[0]), comparator, - (void *)(intptr_t)curpos); - for (j = 1, k = 2; k <= i; k++) - if (strcmp(matches[j] + curpos, matches[k] + curpos) == 0) - free(matches[k]); - else - matches[++j] = matches[k]; - matches[j + 1] = NULL; return (matches); }