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author | P. J. McDermott <pj@pehjota.net> | 2015-05-24 01:56:13 (EDT) |
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committer | P. J. McDermott <pj@pehjota.net> | 2015-05-24 02:00:59 (EDT) |
commit | ee3f67f2b0e053b29a142dd6ee8e8cc8f020022d (patch) | |
tree | 4f8f08d4e7c5a04c1fcdc47d56ae1163f1d0335e | |
parent | bf77b190c769131a175a3b41c599a7f92d356519 (diff) |
cmd/shell: Accept block device as root
-rw-r--r-- | lib/cmd/shell.sh | 12 | ||||
-rw-r--r-- | man/prokit-shell.8in | 7 |
2 files changed, 18 insertions, 1 deletions
diff --git a/lib/cmd/shell.sh b/lib/cmd/shell.sh index dfff07f..b5b6d69 100644 --- a/lib/cmd/shell.sh +++ b/lib/cmd/shell.sh @@ -18,12 +18,14 @@ # along with the ProteanOS Development Kit. If not, see # <http://www.gnu.org/licenses/>. +use block use profile use session cmd_shell_main() { local root= + local dev= if [ ${#} -lt 1 ]; then print_cmd_usage 'shell' >&2 @@ -33,6 +35,12 @@ cmd_shell_main() root="${1}" shift 1 + dev='' + if is_block "${root}"; then + dev="${root}" + root="$(block_mount "${dev}")" + fi + . "${root}/etc/os-release" profile_set "${ID}" @@ -45,4 +53,8 @@ cmd_shell_main() session_exec "${@}" fi session_end + + if [ "x${dev}" != 'x' ]; then + block_umount "${root}" + fi } diff --git a/man/prokit-shell.8in b/man/prokit-shell.8in index f42b15a..bb98ae1 100644 --- a/man/prokit-shell.8in +++ b/man/prokit-shell.8in @@ -5,12 +5,15 @@ prokit-shell \- Run a shell in an isolated environment .SH SYNOPSIS -\fBprokit shell\fP \fIroot-dir\fP [\fIcommand\fP [\fIargument\fP ...]] +\fBprokit shell\fP \fIroot\fP [\fIcommand\fP [\fIargument\fP ...]] .SH DESCRIPTION \fBprokit shell\fP starts a shell in an isolated file system environment (using \fBchroot\fP(8)) with basic file systems mounted. .P +If \fIroot\fP is a block device node, the block device is mounted and a shell is +started in its file system. +.P If a \fIcommand\fP is given (with optional \fIargument\fPs), it is executed in a non-interactive shell. @@ -20,6 +23,8 @@ non-interactive shell. # prokit shell $root echo Hello world .IP \[bu] # prokit shell $root 'opkg install build-essential-$(cat /etc/proteanos_arch)' +.IP \[bu] +# prokit shell /dev/sdb1 .SH COPYRIGHT Copyright (C) 2014 Patrick "P. J." McDermott |