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dbginfo.sh: ensure compatibility with /bin/dash

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some versions of /bin/dash do interpreted our commands different, which
causes a variable failure and termination of the script.

e.g. a new line char "\n" will split the cmd_type to a multiple line variable
not working with the followup commands. adding the head command does avoid
multiline variables now.

Problem found in Ubuntu 20.4 and some older Ubuntu versions

Reviewed-by: Mario Held <mario.held@de.ibm.com>
Signed-off-by: Joern Siglen <siglen@de.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Joern Siglen
2022-09-06 10:55:25 +02:00
committed by Jan Höppner
parent d529ba07d3
commit 9f93af614f
2 changed files with 4 additions and 2 deletions
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5
scripts/dbginfo.sh
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@@ -1160,8 +1160,9 @@ call_run_command() {
local rc=0
local cmd="${1}"
local logfile="${2}"
# extract the raw_command and set cmd_type
local raw_cmd=$(echo "${cmd}" | sed -ne 's/^\([^[:space:]]*\).*$/\1/p')
# extract the raw_command and set cmd_type, as some shell might split into
# several lines restrict the cmd echo to the first line only
local raw_cmd=$(echo "${cmd}" | head -1 | sed -ne 's/^\([^[:space:]]*\).*$/\1/p')
local cmd_type=$(type ${raw_cmd} | cut -d' ' -sf4,5)
echo "#######################################################" >> "${logfile}"