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shinit: Add package

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This package adds support for /etc/shinit and ~/.shinit files, which
contain commands to be run at the start of all interactive shells.
(/etc/profile and ~/.profile are read for login shells only.)

This is useful for those who regularly open non-login, interactive
shells, for example users of GNU Screen or tmux.

(This is based on a patch[1] I submitted for OpenWrt master, but there
does not appear to be much interest in merging the change.)

(This package uses the ENV shell variable, of which the POSIX standard
has a brief description[2]. The dash manpage[3] also describes how the
ENV variable is handled. (dash is the basis for busybox ash.))

[1]: https://patchwork.ozlabs.org/patch/1094493/
[2]: https://pubs.opengroup.org/onlinepubs/9699919799//utilities/V3_chap02.html#tag_18_05_03
[3]: https://manpages.debian.org/buster/dash/dash.1.en.html#Invocation

Signed-off-by: Jeffery To <jeffery.to@gmail.com>
This commit is contained in:
Jeffery To 2019-10-06 05:48:25 +08:00
parent eed49dad9c
commit c04dff7965
3 changed files with 75 additions and 0 deletions
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utils/shinit/Makefile Normal file
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#
# Copyright (C) 2019 Jeffery To
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
PKG_NAME:=shinit
PKG_VERSION:=0.1.0
PKG_RELEASE:=1
PKG_LICENSE:=GPL-2.0-only
PKG_MAINTAINER:=Jeffery To <jeffery.to@gmail.com>
include $(INCLUDE_DIR)/package.mk
define Package/shinit
SECTION:=utils
CATEGORY:=Utilities
TITLE:=Initialization for all interactive shells (login or not)
PKGARCH:=all
endef
define Package/shinit/description
This package adds support for /etc/shinit and ~/.shinit files, which
contain commands to be run at the start of all interactive shells.
(/etc/profile and ~/.profile are read for login shells only.)
This is useful for those who regularly open non-login, interactive
shells, for example users of GNU Screen or tmux.
endef
define Package/shinit/conffiles
/etc/shinit
endef
Build/Prepare:=:
Build/Configure:=:
Build/Compile:=:
define Package/shinit/install
$(INSTALL_DIR) $(1)/etc
$(INSTALL_DATA) ./files/etc/shinit $(1)/etc
$(INSTALL_DIR) $(1)/etc/profile.d
$(INSTALL_DATA) ./files/etc/profile.d/shinit.sh $(1)/etc/profile.d
endef
$(eval $(call BuildPackage,shinit))

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utils/shinit/files/etc/profile.d/shinit.sh Normal file
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export ENV=/etc/shinit

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utils/shinit/files/etc/shinit Normal file
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[ -x /bin/more ] || alias more=less
[ -x /usr/bin/vim ] && alias vi=vim || alias vim=vi
alias ll='ls -alF --color=auto'
# If you use mksh and want to source /etc/mkshrc for all interactive shells,
# uncomment the following line and comment out the same line in /etc/profile.
#[ -z "$KSH_VERSION" -o \! -s /etc/mkshrc ] || . /etc/mkshrc
[ -x /usr/bin/arp -o -x /sbin/arp ] || arp() { cat /proc/net/arp; }
[ -x /usr/bin/ldd ] || ldd() { LD_TRACE_LOADED_OBJECTS=1 $*; }
service() {
[ -f "/etc/init.d/$1" ] || {
echo "service "'"'"$1"'"'" not found, the following services are available:"
ls "/etc/init.d"
return 1
}
/etc/init.d/$@
}
[ -n "$KSH_VERSION" -o \! -s "$HOME/.shinit" ] || . "$HOME/.shinit"
[ -z "$KSH_VERSION" -o \! -s "$HOME/.mkshrc" ] || . "$HOME/.mkshrc"