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| author | P. J. McDermott <pj@pehjota.net> | 2016-01-16 12:54:31 (EST) |
|---|---|---|
| committer | P. J. McDermott <pj@pehjota.net> | 2016-01-16 12:54:31 (EST) |
| commit | eabfb0bdb89b980d0b4823dd308407fe711466bb (patch) | |
| tree | 568df6a16783683cceb6cc2a8f863ad32b06f1ab | |
| parent | fcfa0430e97efbc07ce0fc9a56304ddf3f4ba0c0 (diff) | |
cmd/mkinitramfs: Accept block device as root
| -rw-r--r-- | man/prokit-mkinitramfs.8in | 3 | ||||
| -rw-r--r-- | src/cmd/mkinitramfs.sh | 11 |
2 files changed, 14 insertions, 0 deletions
diff --git a/man/prokit-mkinitramfs.8in b/man/prokit-mkinitramfs.8in index 3f3b1f2..cc6d5d1 100644 --- a/man/prokit-mkinitramfs.8in +++ b/man/prokit-mkinitramfs.8in @@ -11,6 +11,9 @@ prokit-mkinitramfs \- Generate an initramfs containing an installed system .SH DESCRIPTION \fBprokit mkinitramfs\fP generates an initial RAM-based file system image containing an installed system found at \fIroot\fP. +.P +If \fIroot\fP is a block device node, the block device is mounted and the +initial RAM-based file system is generated from the device's file system. .SH OPTIONS .TP diff --git a/src/cmd/mkinitramfs.sh b/src/cmd/mkinitramfs.sh index 7dd0502..a68467d 100644 --- a/src/cmd/mkinitramfs.sh +++ b/src/cmd/mkinitramfs.sh @@ -25,6 +25,7 @@ cmd_mkinitramfs_main() local linux_output= local initramfs_output= local root= + local dev= if ! get_options "${@}"; then print_cmd_usage 'mkinitramfs' >&2 @@ -48,18 +49,28 @@ cmd_mkinitramfs_main() linux_output="${cmd_mkinitramfs_opt_l}" initramfs_output="${cmd_mkinitramfs_opt_i}" root="${1}" + shift 1 + + dev='' + if is_block "${root}"; then + dev="${root}" + root="$(block_mount "${dev}")" + fi profile_set "$(. "${root}/etc/os-release" && printf '%s' "${ID}")" arch="$(cat "${root}/etc/proteanos_arch")" plat="$(cat "${root}/etc/proteanos_plat")" if ! img="$(profile_find_kernel "${root}" "${arch}" "${plat}")"; then + [ "x${dev}" != 'x' ] && block_umount "${root}" error 2 "$(get_msg 'cmd_mkinitramfs_kernel_not_found')" fi cp -p "${root}/${img}" "${linux_output}" (cd "${root}" && profile_make_initramfs "${arch}" "${plat}") \ >"${initramfs_output}" + + [ "x${dev}" != 'x' ] && block_umount "${root}" } cmd_mkinitramfs_register() |