Fix CPU_ARCH collection for Linux

bin/pt-summary

@@ -774,6 +774,7 @@ setup_commands () {
    CMD_SWAPCTL="$( _which swapctl 2>/dev/null )"
    CMD_LSB_RELEASE="$( _which lsb_release 2>/dev/null )"
    CMD_ETHTOOL="$( _which ethtool 2>/dev/null )"
+   CMD_GETCONF="$( _which getconf 2>/dev/null )"
 }
 
 collect_system_data () { local PTFUNCNAME=collect_system_data;
@@ -956,15 +957,15 @@ cpu_and_os_arch () { local PTFUNCNAME=cpu_and_os_arch;
    local CPU_ARCH='32-bit'
    local OS_ARCH='32-bit'
    if [ "${platform}" = "Linux" ]; then
-      if [ "$(grep -q ' lm ' /proc/cpuinfo)" ]; then
+      if grep -q ' lm ' /proc/cpuinfo; then
          CPU_ARCH='64-bit'
       fi
    elif [ "${platform}" = "FreeBSD" ] || [ "${platform}" = "NetBSD" ]; then
-      if $CMD_SYSCTL hw.machine_arch | grep -v 'i[36]86' >/dev/null; then
+      if $CMD_SYSCTL "hw.machine_arch" | grep -v 'i[36]86' >/dev/null; then
          CPU_ARCH='64-bit'
       fi
    elif [ "${platform}" = "OpenBSD" ]; then
-      if $CMD_SYSCTL hw.machine | grep -v 'i[36]86' >/dev/null; then
+      if $CMD_SYSCTL "hw.machine" | grep -v 'i[36]86' >/dev/null; then
          CPU_ARCH='64-bit'
       fi
    elif [ "${platform}" = "SunOS" ]; then
@@ -973,7 +974,11 @@ cpu_and_os_arch () { local PTFUNCNAME=cpu_and_os_arch;
       fi
    fi
    if [ -z "$CMD_FILE" ]; then
+      if [ "$CMD_GETCONF" ] && $CMD_GETCONF LONG_BIT 1>/dev/null 2>&1; then
+         OS_ARCH="$($CMD_GETCONF LONG_BIT 2>/dev/null)-bit"
+      else
          OS_ARCH='N/A'
+      fi
    elif $CMD_FILE /bin/sh | grep '64-bit' >/dev/null; then
        OS_ARCH='64-bit'
    fi

lib/bash/collect_system_info.sh

@@ -55,6 +55,7 @@ setup_commands () {
    CMD_SWAPCTL="$( _which swapctl 2>/dev/null )"
    CMD_LSB_RELEASE="$( _which lsb_release 2>/dev/null )"
    CMD_ETHTOOL="$( _which ethtool 2>/dev/null )"
+   CMD_GETCONF="$( _which getconf 2>/dev/null )"
 }
 
 collect_system_data () { local PTFUNCNAME=collect_system_data;
@@ -238,7 +239,7 @@ find_release_and_kernel () { local PTFUNCNAME=find_release_and_kernel;
          || [ "${platform}" = "NetBSD"  ] \
          || [ "${platform}" = "OpenBSD" ]; then
       release="$(uname -r)"
-      kernel="$($CMD_SYSCTL -n kern.osrevision)"
+      kernel="$($CMD_SYSCTL -n "kern.osrevision")"
    elif [ "${platform}" = "SunOS" ]; then
       release="$(head -n1 /etc/release)"
       if [ -z "${release}" ]; then
@@ -256,15 +257,15 @@ cpu_and_os_arch () { local PTFUNCNAME=cpu_and_os_arch;
    local CPU_ARCH='32-bit'
    local OS_ARCH='32-bit'
    if [ "${platform}" = "Linux" ]; then
-      if [ "$(grep -q ' lm ' /proc/cpuinfo)" ]; then
+      if grep -q ' lm ' /proc/cpuinfo; then
          CPU_ARCH='64-bit'
       fi
    elif [ "${platform}" = "FreeBSD" ] || [ "${platform}" = "NetBSD" ]; then
-      if $CMD_SYSCTL hw.machine_arch | grep -v 'i[36]86' >/dev/null; then
+      if $CMD_SYSCTL "hw.machine_arch" | grep -v 'i[36]86' >/dev/null; then
          CPU_ARCH='64-bit'
       fi
    elif [ "${platform}" = "OpenBSD" ]; then
-      if $CMD_SYSCTL hw.machine | grep -v 'i[36]86' >/dev/null; then
+      if $CMD_SYSCTL "hw.machine" | grep -v 'i[36]86' >/dev/null; then
          CPU_ARCH='64-bit'
       fi
    elif [ "${platform}" = "SunOS" ]; then
@@ -273,7 +274,11 @@ cpu_and_os_arch () { local PTFUNCNAME=cpu_and_os_arch;
       fi
    fi
    if [ -z "$CMD_FILE" ]; then
+      if [ "$CMD_GETCONF" ] && $CMD_GETCONF LONG_BIT 1>/dev/null 2>&1; then
+         OS_ARCH="$($CMD_GETCONF LONG_BIT 2>/dev/null)-bit"
+      else
          OS_ARCH='N/A'
+      fi
    elif $CMD_FILE /bin/sh | grep '64-bit' >/dev/null; then
        OS_ARCH='64-bit'
    fi
@@ -354,17 +359,17 @@ find_virtualization_dmesg () { local PTFUNCNAME=find_virtualization_dmesg;
 # TODO: Maybe worth it to just dump dmidecode once and parse that?
 dmidecode_system_info () { local PTFUNCNAME=dmidecode_system_info;
    if [ "${CMD_DMIDECODE}" ]; then
-      local vendor="$($CMD_DMIDECODE -s system-manufacturer 2>/dev/null | sed 's/ *$//g')"
+      local vendor="$($CMD_DMIDECODE -s "system-manufacturer" 2>/dev/null | sed 's/ *$//g')"
       echo "vendor    ${vendor}"
       if [ "${vendor}" ]; then
-         local product="$($CMD_DMIDECODE -s system-product-name 2>/dev/null | sed 's/ *$//g')"
+         local product="$($CMD_DMIDECODE -s "system-product-name" 2>/dev/null | sed 's/ *$//g')"
-         local version="$($CMD_DMIDECODE -s system-version 2>/dev/null | sed 's/ *$//g')"
+         local version="$($CMD_DMIDECODE -s "system-version" 2>/dev/null | sed 's/ *$//g')"
-         local chassis="$($CMD_DMIDECODE -s chassis-type 2>/dev/null | sed 's/ *$//g')"
+         local chassis="$($CMD_DMIDECODE -s "chassis-type" 2>/dev/null | sed 's/ *$//g')"
-         local servicetag="$($CMD_DMIDECODE -s system-serial-number 2>/dev/null | sed 's/ *$//g')"
+         local servicetag="$($CMD_DMIDECODE -s "system-serial-number" 2>/dev/null | sed 's/ *$//g')"
          local system="${vendor}; ${product}; v${version} (${chassis})"
 
          echo "system    ${system}"
-         echo "servicetag    ${servicetag:-Not found}"
+         echo "servicetag    ${servicetag:-"Not found"}"
       fi
    fi
 }

t/lib/bash/report_system_info.sh

@@ -1264,6 +1264,25 @@ is \
    " some weird format etc 1 day, 15:08, 11 users,  load average: 0.18, 0.09, 0.08" \
    "parse_uptime returns uptime as-if if it doesn't contain an 'up'"
 
+# parse_lvs
+
+is \
+   "$(format_lvs "" "" "")" \
+   "Cannot execute 'lvs'" \
+   "format_lvs has a meaningful error message if all goes wrong"
+
+echo "There was an error..." > "$TMPDIR/in"
+like \
+   "$(format_lvs "$TMPDIR/some_file_that_does_not_exist" "" "$TMPDIR/in")" \
+   "lvs didn't output anything and had the following errors:" \
+   "format_lvs shows the stderr of lvs if the lvs file doesn't exist"
+
+echo "Pretending to be an lvs dump" > "$TMPDIR/in"
+is \
+   "$(format_lvs "$TMPDIR/in" "" "")" \
+   "Pretending to be an lvs dump" \
+   "format_lvs has a meaningful error message if all goes wrong"
+
 # report_system_summary
 parse_options "$BIN_DIR/pt-summary"