Initial commit.1.2

Let's tag it to version 1.2 whilst at it.

Signed-off-by: Patrice Clement <monsieurp@gentoo.org>

4 files changed, 201 insertions, 0 deletions

diff --git a/Makefile.am b/Makefile.am
new file mode 100644
index 0000000..0533fcb
--- /dev/null
+++ b/Makefile.am
@@ -0,0 +1,2 @@
+eselectdir = $(datadir)/eselect/modules
+nodist_eselect_DATA = vi.eselect
diff --git a/autogen.sh b/autogen.sh
new file mode 100755
index 0000000..89dcaff
--- /dev/null
+++ b/autogen.sh
@@ -0,0 +1,2 @@
+#!/bin/sh -x
+exec autoreconf -fi
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..1363d78
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,7 @@
+AC_INIT([eselect-vi], [20200720])
+AM_INIT_AUTOMAKE([-Wall foreign no-dist-gzip dist-bzip2])
+
+# Create output files.
+AC_CONFIG_FILES([Makefile vi.eselect])
+
+AC_OUTPUT
diff --git a/vi.eselect.in b/vi.eselect.in
new file mode 100644
index 0000000..af51482
--- /dev/null
+++ b/vi.eselect.in
@@ -0,0 +1,190 @@
+# -*-eselect-*-  vim: ft=eselect
+# Copyright 1999-2020 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+DESCRIPTION="Manage /usr/bin/vi implementations"
+MAINTAINER="vim@gentoo.org"
+VERSION="1.2"
+
+# find a list of vi symlink targets, best first
+find_targets() {
+	local f
+	for f in \
+			"${EROOT}"/usr/bin/vim \
+			"${EROOT}"/usr/bin/nvim \
+			"${EROOT}"/usr/bin/nvi \
+			"${EROOT}"/usr/bin/elvis \
+			"${EROOT}"/usr/bin/vile \
+			"${EROOT}"/usr/bin/gvim \
+			"${EROOT}"/usr/bin/qvim \
+			"${EROOT}"/usr/bin/xvile \
+			"${EROOT}"/usr/bin/pyvim \
+			"${EROOT}"/bin/busybox \
+		; do
+		if [[ -f "${f}" ]] ; then
+			echo $(basename "${f}" )
+		fi
+	done
+}
+
+# try to remove the vi, ex, view and man vi symlinks
+remove_symlinks() {
+	rm -f "${EROOT}"/usr/bin/{vi,ex,view} &>/dev/null && \
+	rm -f "${EROOT}"/usr/share/man/man1/{vi,ex,view}.1{,.gz,.bz2,.lzma} &>/dev/null
+}
+
+# set a man page symlink
+set_man_symlink() {
+	local target="${1}" link_name="${2}" x extension
+
+	for x in ".1" ".1.bz2" ".1.gz" ".1.lzma"; do
+		if [[ -e ${EROOT}/usr/share/man/man1/${target}${x} ]]; then
+			extension="${x}"
+			break
+		fi
+	done
+
+	if [[ -z "${extension}" ]]; then
+		echo "Couldn't find a man page for ${target}; skipping." 1>&2
+		return 1
+	fi
+
+	ln -s "${target}${extension}" \
+		"${EROOT}/usr/share/man/man1/${link_name}${extension}"
+}
+
+# set the vi, ex, view, and man vi symlinks
+set_symlinks() {
+	local target="${1}" targets
+	if is_number "${target}" && [[ ${target} -ge 1 ]]; then
+		targets=( $(find_targets ) )
+		target=${targets[target-1]}
+	fi
+
+	local dir
+	if [[ ${target} == "busybox" ]]; then
+		dir="${EROOT}/bin"
+	else
+		dir="${EROOT}/usr/bin"
+	fi
+
+	if [[ -f "${dir}/${target}" ]] ; then
+		remove_symlinks
+
+		# it's okay if these fail
+		set_man_symlink "${target}" "vi"
+		set_man_symlink "${target}" "ex"
+		set_man_symlink "${target}" "view"
+
+		# it's not okay if these fail
+		target=$(relative_name "${dir}/${target}" "${EROOT}/usr/bin")
+		ln -s "${target}" "${EROOT}/usr/bin/vi" \
+			|| die "Couldn't set ${target} /usr/bin/vi symlink"
+		ln -s "${target}" "${EROOT}/usr/bin/ex" \
+			|| die "Couldn't set ${target} /usr/bin/ex symlink"
+		ln -s "${target}" "${EROOT}/usr/bin/view" \
+			|| die "Couldn't set ${target} /usr/bin/view symlink"
+	else
+		die -q  "Target \"${1}\" doesn't appear to be valid!"
+	fi
+}
+
+### show action ###
+
+describe_show() {
+	echo "Show the current vi implementation"
+}
+
+do_show() {
+	[[ -z "${@}" ]] || die -q "Too many parameters"
+
+	write_list_start "Current vi implementation:"
+	if [[ -L "${EROOT}/usr/bin/vi" ]] ; then
+		write_kv_list_entry "$(basename $(canonicalise ${EROOT}/usr/bin/vi ) )" ""
+	elif [[ -e "${EROOT}/usr/bin/vi" ]] ; then
+		write_kv_list_entry "(not a symlink)" ""
+	else
+		write_kv_list_entry "(unset)" ""
+	fi
+}
+
+### list action ###
+
+describe_list() {
+	echo "List available vi implementations"
+}
+
+do_list() {
+	[[ -z "${@}" ]] || die -q "Too many parameters"
+
+	local i targets
+	targets=( $(find_targets ) )
+	for (( i = 0; i < ${#targets[@]}; i++ )); do
+		[[ ${targets[i]} = \
+			$(basename "$(canonicalise "${EROOT}/usr/bin/vi")") ]] \
+			&& targets[i]=$(highlight_marker "${targets[i]}")
+	done
+	write_list_start "Available vi implementations:"
+	write_numbered_list -m "(none found)" "${targets[@]}"
+}
+
+### set action ###
+
+describe_set() {
+	echo "Set a new vi implementation provider"
+}
+
+describe_set_options() {
+	echo "target : Target name or number (from 'list' action)"
+}
+
+describe_set_parameters() {
+	echo "<target>"
+}
+
+do_set() {
+	if [[ -z "${1}" ]] ; then
+		die -q "You didn't give me a provider name"
+
+	elif [[ -n "${2}" ]] ; then
+		die -q "Too many parameters"
+
+	elif [[ -L "${EROOT}/usr/bin/vi" ]] ; then
+		if ! remove_symlinks ; then
+			die -q "Can't remove existing provider"
+		elif ! set_symlinks "${1}" ; then
+			die -q "Can't set new provider"
+		fi
+
+	elif [[ -e "${EROOT}/usr/bin/vi" ]] ; then
+		die -q "Sorry, ${EROOT}/usr/bin/vi confuses me"
+
+	else
+		set_symlinks "${1}" || die -q "Can't set a new provider"
+	fi
+}
+
+### update action ###
+
+describe_update() {
+	echo "Automatically update the vi provider"
+}
+
+describe_update_options() {
+	echo "--if-unset : Do not override existing implementation"
+}
+
+do_update() {
+	[[ -z "${1}" ]] || ( [[ -z "${2}" ]] && [[ "${1}" == "--if-unset" ]] ) || \
+		die -q "Usage error"
+
+	if [[ -L "${EROOT}/usr/bin/vi" ]]; then
+		[[ ${1} == "--if-unset" ]] && return
+		remove_symlinks || die -q "Can't remove existing link"
+	fi
+	if [[ -e "${EROOT}/usr/bin/vi" ]]; then
+		die -q "Can't set a new provider"
+	elif ! [[ -z $(find_targets ) ]]; then
+		set_symlinks 1 || die -q "Can't set a new provider"
+	fi
+}