diff options
Diffstat (limited to 'app-text/manpager')
-rw-r--r-- | app-text/manpager/Manifest | 3 | ||||
-rw-r--r-- | app-text/manpager/files/manpager.c | 74 | ||||
-rw-r--r-- | app-text/manpager/manpager-1.ebuild | 31 | ||||
-rw-r--r-- | app-text/manpager/metadata.xml | 8 |
4 files changed, 116 insertions, 0 deletions
diff --git a/app-text/manpager/Manifest b/app-text/manpager/Manifest new file mode 100644 index 000000000000..703828218c64 --- /dev/null +++ b/app-text/manpager/Manifest @@ -0,0 +1,3 @@ +AUX manpager.c 1809 BLAKE2B 3f17501b90ca4af07e2bdebdc02b0dfd9aafe4dafe878852deeba30219593b1dc4310bd4a152ebf8bc4a58df61cf40fd3fe341cf0fd69e9cccfa43568a7ec67e SHA512 4f827429dc46993010d0096cb352920dfdcaf2cc97bf10e2155dfea3fda601c011467be65ca3f2e3f5c44cb26de0fd9eb58f7d875f75fd5f1db4b2c6cdabdca2 +EBUILD manpager-1.ebuild 646 BLAKE2B bfb4bd847f6a94f6db1cf5b7536ce4984ac82c8feb12cecdec09a01196a93fd95512717a262532721e2095bff5d043889dcffbb7c47f75495b3920386a4e9e6e SHA512 7e4582eefc9acfc019b6bf4e9601d3efce10c70bc512af5e806b899bc1d7c9d08b5af4e0ae06d791e110b0a1803b53d1248890ede0f625578b7c2139ab3ad74c +MISC metadata.xml 253 BLAKE2B 295e9d6d93aaa12af413972e1590c67087801cc09c9aa6b59d4606c0f4106d1dacf2baa9858559083b4c6d91beeef218d0729e8593a33788958da6d2897e8ce2 SHA512 54a9069aeb4165d2dff3d473c8001bc51613aac9dff3f7f5e9971a9891a737a31511ffa11cbd523febe581ac1d9de2bdf2f40410f0c4239138f2ccca3ef15555 diff --git a/app-text/manpager/files/manpager.c b/app-text/manpager/files/manpager.c new file mode 100644 index 000000000000..99b0680a1d83 --- /dev/null +++ b/app-text/manpager/files/manpager.c @@ -0,0 +1,74 @@ +/* + * Wrapper to help enable colorized man page output. + * Only works with PAGER=less + * + * https://bugs.gentoo.org/184604 + * https://unix.stackexchange.com/questions/108699/documentation-on-less-termcap-variables + * + * Copyright 2003-2015 Gentoo Foundation + * Distributed under the terms of the GNU General Public License v2 + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#define COLOR(c, b) "\e[" #c ";" #b "m" + +#define _SE(termcap, col) setenv("LESS_TERMCAP_" #termcap, col, 0) +#define SE(termcap, c, b) _SE(termcap, COLOR(c, b)) + +static int usage(void) +{ + puts( + "manpager: display man pages with color!\n" + "\n" + "Usage:\n" + "\texport MANPAGER=manpager\n" + "\tman man\n" + "\n" + "To control the colorization, set these env vars:\n" + "\tLESS_TERMCAP_mb - start blinking\n" + "\tLESS_TERMCAP_md - start bolding\n" + "\tLESS_TERMCAP_me - stop bolding\n" + "\tLESS_TERMCAP_us - start underlining\n" + "\tLESS_TERMCAP_ue - stop underlining\n" + "\tLESS_TERMCAP_so - start standout (reverse video)\n" + "\tLESS_TERMCAP_se - stop standout (reverse video)\n" + "\n" + "You can do so by doing:\n" + "\texport LESS_TERMCAP_md=\"$(printf '\\e[1;36m')\"\n" + "\n" + "Run 'less --help' or 'man less' for more info" + ); + return 0; +} + +int main(int argc, char *argv[]) +{ + if (argc == 2 && (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help"))) + return usage(); + + /* Blinking. */ + SE(mb, 5, 31); /* Start. */ + + /* Bolding. */ + SE(md, 1, 34); /* Start. */ + SE(me, 0, 0); /* Stop. */ + + /* Underlining. */ + SE(us, 4, 36); /* Start. */ + SE(ue, 0, 0); /* Stop. */ + +#if 0 + /* Standout (reverse video). */ + SE(so, 1, 32); /* Start. */ + SE(se, 0, 0); /* Stop. */ +#endif + + argv[0] = getenv("PAGER") ? : "less"; + execvp(argv[0], argv); + perror("could not launch PAGER"); + return 1; +} diff --git a/app-text/manpager/manpager-1.ebuild b/app-text/manpager/manpager-1.ebuild new file mode 100644 index 000000000000..39b1214d8e0d --- /dev/null +++ b/app-text/manpager/manpager-1.ebuild @@ -0,0 +1,31 @@ +# Copyright 1999-2017 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +EAPI="5" + +inherit toolchain-funcs + +DESCRIPTION="Enable colorization of man pages" +HOMEPAGE="https://www.gentoo.org/" + +LICENSE="GPL-2" +SLOT="0" +KEYWORDS="alpha amd64 arm arm64 hppa ia64 m68k ~mips ppc ppc64 s390 sh sparc x86 ~amd64-linux ~arm-linux ~x86-linux" +IUSE="" + +S=${WORKDIR} + +src_compile() { + local cmd=( + $(tc-getCC) ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} + "${FILESDIR}"/manpager.c -o ${PN} + ) + echo "${cmd[@]}" + "${cmd[@]}" || die +} + +src_install() { + dobin ${PN} + insinto /etc/env.d + echo "MANPAGER=manpager" | newins - 00manpager +} diff --git a/app-text/manpager/metadata.xml b/app-text/manpager/metadata.xml new file mode 100644 index 000000000000..56c124413057 --- /dev/null +++ b/app-text/manpager/metadata.xml @@ -0,0 +1,8 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd"> +<pkgmetadata> +<maintainer type="project"> + <email>base-system@gentoo.org</email> + <name>Gentoo Base System</name> +</maintainer> +</pkgmetadata> |