forked from ungleich-public/cdist
[type/__hostname] Lint
- Error if expected environment variables are unset
- Always wrap variable expansions in {}
This commit is contained in:
Dennis Camera
parent
ba90651052
commit
3e48ef9e11
2 changed files with 114 additions and 115 deletions
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@ -20,25 +20,26 @@
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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os=$(cat "$__global/explorer/os")
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name_running=$(cat "$__global/explorer/hostname")
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has_hostnamectl=$(cat "$__object/explorer/has_hostnamectl")
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os=$(cat "${__global:?}/explorer/os")
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name_running=$(cat "${__global:?}/explorer/hostname")
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has_hostnamectl=$(cat "${__object:?}/explorer/has_hostnamectl")
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if test -s "$__object/parameter/name"
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if test -s "${__object:?}/parameter/name"
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then
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name_should=$(cat "$__object/parameter/name")
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name_should=$(cat "${__object:?}/parameter/name")
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else
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case $os
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case ${os}
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in
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# RedHat-derivatives and BSDs
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centos|fedora|redhat|scientific|freebsd|macosx|netbsd|openbsd)
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(centos|fedora|redhat|scientific|freebsd|macosx|netbsd|openbsd)
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# Hostname is FQDN
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name_should="${__target_host}"
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name_should=${__target_host:?}
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;;
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*)
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(*)
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# Hostname is only first component of FQDN
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name_should="${__target_host%%.*}"
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name_should=${__target_host:?}
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name_should=${name_should%%.*}
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;;
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esac
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fi
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@ -47,46 +48,46 @@ fi
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################################################################################
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# Check if the (running) hostname is already correct
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#
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test "$name_running" != "$name_should" || exit 0
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test "${name_running}" != "${name_should}" || exit 0
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################################################################################
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# Setup hostname
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#
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echo 'changed' >>"$__messages_out"
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echo 'changed' >>"${__messages_out:?}"
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# Use the good old way to set the hostname.
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case $os
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case ${os}
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in
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alpine|debian|devuan|ubuntu)
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(alpine|debian|devuan|ubuntu)
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echo 'hostname -F /etc/hostname'
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;;
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archlinux)
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(archlinux)
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echo 'command -v hostnamectl >/dev/null 2>&1' \
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"&& hostnamectl set-hostname '$name_should'" \
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"|| hostname '$name_should'"
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"&& hostnamectl set-hostname '${name_should}'" \
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"|| hostname '${name_should}'"
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;;
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centos|fedora|redhat|scientific|freebsd|netbsd|openbsd|gentoo|void)
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echo "hostname '$name_should'"
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(centos|fedora|redhat|scientific|freebsd|netbsd|openbsd|gentoo|void)
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echo "hostname '${name_should}'"
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;;
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openwrt)
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echo "echo '$name_should' >/proc/sys/kernel/hostname"
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(openwrt)
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echo "echo '${name_should}' >/proc/sys/kernel/hostname"
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;;
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macosx)
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echo "scutil --set HostName '$name_should'"
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(macosx)
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echo "scutil --set HostName '${name_should}'"
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;;
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solaris)
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echo "uname -S '$name_should'"
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(solaris)
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echo "uname -S '${name_should}'"
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;;
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slackware|suse|opensuse-leap)
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(slackware|suse|opensuse-leap)
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# We do not read from /etc/HOSTNAME, because the running
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# hostname is the first component only while the file contains
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# the FQDN.
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echo "hostname '$name_should'"
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echo "hostname '${name_should}'"
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;;
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*)
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(*)
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# Fall back to set the hostname using hostnamectl, if available.
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if test -n "$has_hostnamectl"
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if test -n "${has_hostnamectl}"
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then
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# Don't use hostnamectl as the primary means to set the hostname for
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# systemd systems, because it cannot be trusted to work reliably and
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@ -97,7 +98,8 @@ in
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echo "test \"\$(hostname)\" = \"\$(cat /etc/hostname)\"" \
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" || hostname -F /etc/hostname"
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else
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printf "echo 'Unsupported OS: %s' >&2\nexit 1\n" "$os"
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printf "echo 'Unsupported OS: %s' >&2\n" "${os}"
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printf 'exit 1\n'
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fi
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;;
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esac
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@ -20,69 +20,65 @@
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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not_supported() {
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echo "Your operating system ($os) is currently not supported by this type (${__type##*/})." >&2
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echo "Please contribute an implementation for it if you can." >&2
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exit 1
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}
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set_hostname_systemd() {
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echo "$1" | __file /etc/hostname --source -
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}
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os=$(cat "$__global/explorer/os")
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os_version=$(cat "$__global/explorer/os_version")
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os_major=$(echo "$os_version" | grep -o '^[0-9][0-9]*' || true)
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os=$(cat "${__global:?}/explorer/os")
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os_version=$(cat "${__global:?}/explorer/os_version")
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os_major=$(echo "${os_version}" | grep -o '^[0-9][0-9]*' || true)
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max_len=$(cat "$__object/explorer/max_len")
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has_hostnamectl=$(cat "$__object/explorer/has_hostnamectl")
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max_len=$(cat "${__object:?}/explorer/max_len")
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has_hostnamectl=$(cat "${__object:?}/explorer/has_hostnamectl")
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if test -s "$__object/parameter/name"
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if test -s "${__object:?}/parameter/name"
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then
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name_should=$(cat "$__object/parameter/name")
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name_should=$(cat "${__object:?}/parameter/name")
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else
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case $os
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case ${os}
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in
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# RedHat-derivatives and BSDs
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centos|fedora|redhat|scientific|freebsd|netbsd|openbsd|slackware)
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(centos|fedora|redhat|scientific|freebsd|netbsd|openbsd|slackware)
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# Hostname is FQDN
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name_should="${__target_host}"
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name_should=${__target_host:?}
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;;
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suse|opensuse-leap)
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(suse|opensuse-leap)
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name_should=${__target_host:?}
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# Classic SuSE stores the FQDN in /etc/HOSTNAME, while
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# systemd does not. The running hostname is the first
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# component in both cases.
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# In versions before 15.x, the FQDN is stored in /etc/hostname.
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if test -n "$has_hostnamectl" && test "$os_major" -ge 15 \
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&& test "$os_major" -ne 42
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if test -n "${has_hostnamectl}" \
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&& test "${os_major}" -ge 15 \
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&& test "${os_major}" -ne 42
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then
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name_should="${__target_host%%.*}"
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else
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name_should="${__target_host}"
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name_should=${name_should%%.*}
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fi
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;;
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*)
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# Hostname is only first component of FQDN on all other systems.
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name_should="${__target_host%%.*}"
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name_should=${__target_host:?}
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name_should=${name_should%%.*}
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;;
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esac
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fi
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if test -n "$max_len" && test "$(printf '%s' "$name_should" | wc -c)" -gt "$max_len"
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if test -n "${max_len}" && test "$(printf '%s' "${name_should}" | wc -c)" -gt "${max_len}"
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then
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printf "Host name too long. Up to %u characters allowed.\n" "${max_len}" >&2
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exit 1
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fi
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case $os
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case ${os}
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in
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alpine|debian|devuan|ubuntu|void)
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echo "$name_should" | __file /etc/hostname --source -
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(alpine|debian|devuan|ubuntu|void)
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echo "${name_should}" | __file /etc/hostname --source -
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;;
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archlinux)
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if test -n "$has_hostnamectl"
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(archlinux)
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if test -n "${has_hostnamectl}"
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then
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set_hostname_systemd "$name_should"
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set_hostname_systemd "${name_should}"
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else
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echo 'Ancient ArchLinux variants without hostnamectl are not supported.' >&2
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exit 1
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@ -97,8 +93,8 @@ in
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# --value "\"$name_should\""
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fi
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;;
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centos|fedora|redhat|scientific)
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if test -z "$has_hostnamectl"
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(centos|fedora|redhat|scientific)
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if test -z "${has_hostnamectl}"
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then
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# Only write to /etc/sysconfig/network on non-systemd versions.
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# On systemd-based versions this entry is ignored.
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@ -106,63 +102,62 @@ in
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--file /etc/sysconfig/network \
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--delimiter '=' --exact_delimiter \
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--key HOSTNAME \
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--value "\"$name_should\""
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--value "\"${name_should}\""
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else
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set_hostname_systemd "$name_should"
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set_hostname_systemd "${name_should}"
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fi
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;;
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gentoo)
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(gentoo)
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# Only write to /etc/conf.d/hostname on OpenRC-based installations.
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# On systemd use hostnamectl(1) in gencode-remote.
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if test -z "$has_hostnamectl"
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if test -z "${has_hostnamectl}"
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then
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__key_value '/etc/conf.d/hostname:hostname' \
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--file /etc/conf.d/hostname \
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--delimiter '=' --exact_delimiter \
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--key 'hostname' \
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--value "\"$name_should\""
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--value "\"${name_should}\""
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else
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set_hostname_systemd "$name_should"
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fi
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;;
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freebsd)
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(freebsd)
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__key_value '/etc/rc.conf:hostname' \
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--file /etc/rc.conf \
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--delimiter '=' --exact_delimiter \
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--key 'hostname' \
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--value "\"$name_should\""
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--value "\"${name_should}\""
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;;
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macosx)
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(macosx)
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# handled in gencode-remote
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:
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;;
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netbsd)
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(netbsd)
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__key_value '/etc/rc.conf:hostname' \
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--file /etc/rc.conf \
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--delimiter '=' --exact_delimiter \
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--key 'hostname' \
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--value "\"$name_should\""
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--value "\"${name_should}\""
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# To avoid confusion, ensure that the hostname is only stored once.
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__file /etc/myname --state absent
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;;
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openbsd)
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echo "$name_should" | __file /etc/myname --source -
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(openbsd)
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echo "${name_should}" | __file /etc/myname --source -
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;;
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openwrt)
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__uci system.@system[0].hostname --value "$name_should"
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(openwrt)
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__uci system.@system[0].hostname --value "${name_should}"
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# --transaction hostname
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;;
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slackware)
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(slackware)
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# We write the FQDN into /etc/HOSTNAME. But /etc/rc.d/rc.M will only
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# read the first component from this file and set it as the running
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# hostname on boot.
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echo "$name_should" | __file /etc/HOSTNAME --source -
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echo "${name_should}" | __file /etc/HOSTNAME --source -
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;;
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solaris)
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echo "$name_should" | __file /etc/nodename --source -
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(solaris)
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echo "${name_should}" | __file /etc/nodename --source -
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;;
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suse|opensuse-leap)
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(suse|opensuse-leap)
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# Modern SuSE provides /etc/HOSTNAME as a symlink for
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# backwards-compatibility. Unfortunately it cannot be used
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# here as __file does not follow the symlink.
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@ -171,23 +166,25 @@ in
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# not work correctly on openSUSE 12.x which provides
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# hostnamectl but not /etc/hostname.
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if test -n "$has_hostnamectl" -a "$os_major" -gt 12
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if test -n "${has_hostnamectl}" -a "${os_major}" -gt 12
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then
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hostname_file='/etc/hostname'
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hostname_file=/etc/hostname
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else
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hostname_file='/etc/HOSTNAME'
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hostname_file=/etc/HOSTNAME
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fi
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echo "$name_should" | __file "$hostname_file" --source -
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echo "${name_should}" | __file "${hostname_file}" --source -
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;;
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*)
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(*)
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# On other operating systems we fall back to systemd's
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# hostnamectl if available…
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if test -n "$has_hostnamectl"
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if test -n "${has_hostnamectl}"
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then
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set_hostname_systemd "$name_should"
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set_hostname_systemd "${name_should}"
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else
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not_supported
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echo "Your operating system (${os}) is currently not supported by this type (${__type##*/})." >&2
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echo "Please contribute an implementation for it if you can." >&2
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exit 1
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fi
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;;
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esac
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