diff options
| author | Joe Lawrence <joe.lawrence@redhat.com> | 2026-03-10 16:37:50 -0400 |
|---|---|---|
| committer | Josh Poimboeuf <jpoimboe@kernel.org> | 2026-03-16 12:52:53 -0700 |
| commit | 1fbc9b855f08f89ccf933324a5cbd8c53ee94d87 (patch) | |
| tree | fdd92cee92f29f6ec6d8705ccfaa108893ed2940 /scripts/livepatch | |
| parent | b41d8b7d1752f2f85fc1a87f5e4f4dda45adad15 (diff) | |
| download | lwn-1fbc9b855f08f89ccf933324a5cbd8c53ee94d87.tar.gz lwn-1fbc9b855f08f89ccf933324a5cbd8c53ee94d87.zip | |
livepatch/klp-build: add terminal color output
Improve the readability of klp-build output by implementing a basic
color scheme. When the standard output and error are connected to a
terminal, highlight status messages in bold and warning/error prefixes
in yellow/red.
Acked-by: Song Liu <song@kernel.org>
Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com>
Link: https://patch.msgid.link/20260310203751.1479229-12-joe.lawrence@redhat.com
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Diffstat (limited to 'scripts/livepatch')
| -rwxr-xr-x | scripts/livepatch/klp-build | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/scripts/livepatch/klp-build b/scripts/livepatch/klp-build index dc0a23a8908b..d628e2c86078 100755 --- a/scripts/livepatch/klp-build +++ b/scripts/livepatch/klp-build @@ -52,6 +52,15 @@ PATCH_TMP_DIR="$TMP_DIR/tmp" KLP_DIFF_LOG="$DIFF_DIR/diff.log" +# Terminal output colors +read -r COLOR_RESET COLOR_BOLD COLOR_ERROR COLOR_WARN <<< "" +if [[ -t 1 && -t 2 ]]; then + COLOR_RESET="\033[0m" + COLOR_BOLD="\033[1m" + COLOR_ERROR="\033[0;31m" + COLOR_WARN="\033[0;33m" +fi + grep0() { # shellcheck disable=SC2317 command grep "$@" || true @@ -65,15 +74,15 @@ grep() { } status() { - echo "$*" + echo -e "${COLOR_BOLD}$*${COLOR_RESET}" } warn() { - echo "error: $SCRIPT: $*" >&2 + echo -e "${COLOR_WARN}warning${COLOR_RESET}: $SCRIPT: $*" >&2 } die() { - warn "$@" + echo -e "${COLOR_ERROR}error${COLOR_RESET}: $SCRIPT: $*" >&2 exit 1 } @@ -110,7 +119,7 @@ cleanup() { } trap_err() { - warn "line ${BASH_LINENO[0]}: '$BASH_COMMAND'" + die "line ${BASH_LINENO[0]}: '$BASH_COMMAND'" } trap cleanup EXIT INT TERM HUP |