coredump: coredumpctl is so useful now, make it a first-class citizen

[elogind.git] / shell-completion / bash / coredumpctl

diff --git a/shell-completion/bash/coredumpctl b/shell-completion/bash/coredumpctl
new file mode 100644 (file)
index 0000000..e23152d
--- /dev/null
+++ b/shell-completion/bash/coredumpctl
@@ -0,0 +1,85 @@
+# coredumpctl(1) completion                       -*- shell-script -*-
+#
+# This file is part of systemd.
+#
+# Copyright 2010 Ran Benita
+#
+# systemd is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation; either version 2.1 of the License, or
+# (at your option) any later version.
+#
+# systemd is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with systemd; If not, see <http://www.gnu.org/licenses/>.
+
+__contains_word () {
+        local w word=$1; shift
+        for w in "$@"; do
+                [[ $w = "$word" ]] && return
+        done
+}
+
+__journal_fields=(MESSAGE{,_ID} PRIORITY CODE_{FILE,LINE,FUNC}
+                  ERRNO SYSLOG_{FACILITY,IDENTIFIER,PID} COREDUMP_EXE
+                  _{P,U,G}ID _COMM _EXE _CMDLINE
+                  _AUDIT_{SESSION,LOGINUID}
+                  _SYSTEMD_{CGROUP,SESSION,UNIT,OWNER_UID}
+                  _SELINUX_CONTEXT _SOURCE_REALTIME_TIMESTAMP
+                  _{BOOT,MACHINE}_ID _HOSTNAME _TRANSPORT
+                  _KERNEL_{DEVICE,SUBSYSTEM}
+                  _UDEV_{SYSNAME,DEVNODE,DEVLINK}
+                  __CURSOR __{REALTIME,MONOTONIC}_TIMESTAMP)
+_coredumpctl() {
+        local i verb comps
+        local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
+        local OPTS='-h --help --version --no-pager --no-legend -o --output -F --field'
+
+        local -A VERBS=(
+            [LIST]='list'
+            [DUMP]='dump gdb'
+        )
+
+        if __contains_word "$prev" '--output -o'; then
+                comps=$( compgen -A file -- "$cur" )
+                compopt -o filenames
+        elif __contains_word "$prev" '--FIELD -F'; then
+                comps=$( compgen -W '${__journal_fields[*]}' -- "$cur" )
+        elif [[ $cur = -* ]]; then
+                comps=${OPTS}
+        elif __contains_word "$prev" ${VERBS[*]} &&
+           ! __contains_word ${COMP_WORDS[COMP_CWORD-2]} '--output -o -F --field'; then
+                compopt -o nospace
+                COMPREPLY=( $(compgen -W '${__journal_fields[*]}' -S= -- "$cur") )
+               return 0
+        elif [[ $cur = *=* ]]; then
+                mapfile -t field_vals < <(coredumpctl -F "${prev%=}" 2>/dev/null)
+                COMPREPLY=( $(compgen -W '${field_vals[*]}' -- "${cur#=}") )
+                return 0
+        elif [[ $prev = '=' ]]; then
+                mapfile -t field_vals < <(coredumpctl -F "${COMP_WORDS[COMP_CWORD-2]}" 2>/dev/null)
+                comps=${field_vals[*]}
+        else
+                for ((i=0; i <= COMP_CWORD; i++)); do
+                        if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]}; then
+                                verb=${COMP_WORDS[i]}
+                                break
+                        fi
+                done
+
+                if [[ -z $verb ]]; then
+                        comps=${VERBS[*]}
+                elif __contains_word "$verb" ${VERBS[LIST]} ${VERBS[DUMP]}; then
+                        comps=''
+                fi
+        fi
+
+        COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
+        return 0
+}
+
+complete -F _coredumpctl coredumpctl