[type/__locale_system] Implement "proper" version comparison
Proper in the sense that it can handle all numeric version numbers even if they are not floating point (e.g. 16.04.6).
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1 changed files with 19 additions and 9 deletions
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@ -24,7 +24,20 @@
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# Configure system-wide locale by modifying i18n file.
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#
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bccmp() { test "$(bc)" -gt 0; }
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version_ge() {
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awk -F '[^0-9.]' -v target="${1:?}" '
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function max(x, y) { return x > y ? x : y }
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BEGIN {
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getline
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nx = split($1, x, ".")
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ny = split(target, y, ".")
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for (i = 1; i <= max(nx, ny); ++i) {
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diff = int(x[i]) - int(y[i])
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if (diff == 0) continue
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exit (diff < 0)
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}
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}'
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}
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key=$__object_id
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@ -43,8 +56,7 @@ os=$(cat "$__global/explorer/os")
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case $os
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in
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debian)
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os_version=$(cat "${__global}/explorer/os_version")
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if printf '%f >= 4\n' "${os_version}" | bccmp
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if version_ge 4 <"${__global}/explorer/os_version"
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then
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# Debian 4 (etch) and later
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locale_conf="/etc/default/locale"
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@ -56,8 +68,7 @@ in
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locale_conf="/etc/default/locale"
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;;
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ubuntu)
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os_version=$(cat "${__global}/explorer/os_version")
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if printf '%f >= 6.10\n' "${os_version}" | bccmp
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if version_ge 6.10 <"${__global}/explorer/os_version"
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then
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# Ubuntu 6.10 (edgy) and later
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locale_conf="/etc/default/locale"
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@ -71,7 +82,7 @@ in
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centos|redhat|scientific)
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# shellcheck source=/dev/null
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version_id=$(. "${__global}/explorer/os_release" && echo "${VERSION_ID:-0}")
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if printf '%f >= 7\n' "${version_id}" | bccmp
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if echo "${version_id}" | version_ge 7
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then
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locale_conf="/etc/locale.conf"
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else
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@ -81,7 +92,7 @@ in
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fedora)
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# shellcheck source=/dev/null
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version_id=$(. "${__global}/explorer/os_release" && echo "${VERSION_ID:-0}")
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if printf '%f >= 18\n' "${version_id}" | bccmp
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if echo "${version_id}" | version_ge 18
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then
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locale_conf="/etc/locale.conf"
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quote_value=false
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@ -116,8 +127,7 @@ in
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locale_conf="/etc/default/init"
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locale_conf_group="sys"
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os_version=$(cat "${__global}/explorer/os_version")
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if printf '%f >= 5.11\n' "${os_version}" | bccmp
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if version_ge 5.11 <"${__global}/explorer/os_version"
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then
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# mode on Oracle Solaris 11 is actually 0444,
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# but the write bit makes sense, IMO
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