Watch littlefs cross-compiled thumb sizes easily

thumbsize.sh

#!/bin/bash

set -eu -o pipefail


# run in watch mode?
if [[ "$@" == *-w* ]]
then
    ./scripts/watch.py \
        $([[ "$@" == *-z* ]] && echo -z || echo -n4) \
        -K lfs.h -K lfs_util.h \
        -K lfs.c -K lfs_util.c \
        $0 $(echo "$@" | sed 's/-w//')
    exit
fi


# compile for thumb
BUILDDIR=thumb \
CC='arm-linux-gnueabi-gcc -mthumb --static -Wno-stringop-overflow' \
CFLAGS='-DLFS_NO_ASSERT -DLFS_NO_DEBUG -DLFS_NO_WARN -DLFS_NO_ERROR' \
make clean build \
    thumb/lfs.code.csv \
    thumb/lfs.data.csv \
    thumb/lfs.stack.csv \
    thumb/lfs.structs.csv


# success?
if [ $? -eq 0 ]
then
    # keep last three builds
    cp thumb/liblfs{.2,.3}.a || true
    cp thumb/lfs{.2,.3}.o || true
    cp thumb/lfs_util{.2,.3}.o || true
    cp thumb/lfs{.2,.3}.ci || true
    cp thumb/lfs_util{.2,.3}.ci || true
    cp thumb/lfs.code{.2,.3}.csv || true
    cp thumb/lfs.data{.2,.3}.csv || true
    cp thumb/lfs.stack{.2,.3}.csv || true
    cp thumb/lfs.structs{.2,.3}.csv || true

    cp thumb/liblfs{.1,.2}.a || true
    cp thumb/lfs{.1,.2}.o || true
    cp thumb/lfs_util{.1,.2}.o || true
    cp thumb/lfs{.1,.2}.ci || true
    cp thumb/lfs_util{.1,.2}.ci || true
    cp thumb/lfs.code{.1,.2}.csv || true
    cp thumb/lfs.data{.1,.2}.csv || true
    cp thumb/lfs.stack{.1,.2}.csv || true
    cp thumb/lfs.structs{.1,.2}.csv || true

    cp thumb/liblfs{,.1}.a
    cp thumb/lfs{,.1}.o
    cp thumb/lfs_util{,.1}.o
    cp thumb/lfs{,.1}.ci
    cp thumb/lfs_util{,.1}.ci
    cp thumb/lfs.code{,.1}.csv
    cp thumb/lfs.data{,.1}.csv
    cp thumb/lfs.stack{,.1}.csv
    cp thumb/lfs.structs{,.1}.csv

    if git diff --exit-code --quiet
    then
        cp thumb/liblfs{,.c}.a
        cp thumb/lfs{,.c}.o
        cp thumb/lfs_util{,.c}.o
        cp thumb/lfs{,.c}.ci
        cp thumb/lfs_util{,.c}.ci
        cp thumb/lfs.code{,.c}.csv
        cp thumb/lfs.data{,.c}.csv
        cp thumb/lfs.stack{,.c}.csv
        cp thumb/lfs.structs{,.c}.csv
    fi

    # show results
    (
        if [[ "$@" == *-d* ]]
        then
            ./scripts/summary.py \
                <(./scripts/summary.py thumb/lfs.code.c.csv \
                    -fcode=size -q -o-) \
                <(./scripts/summary.py thumb/lfs.data.c.csv \
                    -fdata=size -q -o-) \
                <(./scripts/summary.py thumb/lfs.stack.c.csv \
                    -fstack=limit -q -o-) \
                <(./scripts/summary.py thumb/lfs.structs.c.csv \
                    -fstructs=size -q -o-) \
                -fcode -fdata -fstack -fstructs \
                --max=stack \
                -Y
            ./scripts/summary.py \
                <(./scripts/summary.py thumb/lfs.code.3.csv \
                    -fcode=size -q -o-) \
                <(./scripts/summary.py thumb/lfs.data.3.csv \
                    -fdata=size -q -o-) \
                <(./scripts/summary.py thumb/lfs.stack.3.csv \
                    -fstack=limit -q -o-) \
                <(./scripts/summary.py thumb/lfs.structs.3.csv \
                    -fstructs=size -q -o-) \
                -fcode -fdata -fstack -fstructs \
                --max=stack \
                -Y \
                -p -d <(./scripts/summary.py \
                    <(./scripts/summary.py thumb/lfs.code.c.csv \
                        -fcode=size -q -o-) \
                    <(./scripts/summary.py thumb/lfs.data.c.csv \
                        -fdata=size -q -o-) \
                    <(./scripts/summary.py thumb/lfs.stack.c.csv \
                        -fstack=limit -q -o-) \
                    <(./scripts/summary.py thumb/lfs.structs.c.csv \
                        -fstructs=size -q -o-) \
                    -fcode -fdata -fstack -fstructs \
                    -q -o-)
            ./scripts/summary.py \
                <(./scripts/summary.py thumb/lfs.code.2.csv \
                    -fcode=size -q -o-) \
                <(./scripts/summary.py thumb/lfs.data.2.csv \
                    -fdata=size -q -o-) \
                <(./scripts/summary.py thumb/lfs.stack.2.csv \
                    -fstack=limit -q -o-) \
                <(./scripts/summary.py thumb/lfs.structs.2.csv \
                    -fstructs=size -q -o-) \
                -fcode -fdata -fstack -fstructs \
                --max=stack \
                -Y \
                -p -d <(./scripts/summary.py \
                    <(./scripts/summary.py thumb/lfs.code.c.csv \
                        -fcode=size -q -o-) \
                    <(./scripts/summary.py thumb/lfs.data.c.csv \
                        -fdata=size -q -o-) \
                    <(./scripts/summary.py thumb/lfs.stack.c.csv \
                        -fstack=limit -q -o-) \
                    <(./scripts/summary.py thumb/lfs.structs.c.csv \
                        -fstructs=size -q -o-) \
                    -fcode -fdata -fstack -fstructs \
                    -q -o-)
            ./scripts/summary.py \
                <(./scripts/summary.py thumb/lfs.code.csv \
                    -fcode=size -q -o-) \
                <(./scripts/summary.py thumb/lfs.data.csv \
                    -fdata=size -q -o-) \
                <(./scripts/summary.py thumb/lfs.stack.csv \
                    -fstack=limit -q -o-) \
                <(./scripts/summary.py thumb/lfs.structs.csv \
                    -fstructs=size -q -o-) \
                -fcode -fdata -fstack -fstructs \
                --max=stack \
                -Y \
                -p -d <(./scripts/summary.py \
                    <(./scripts/summary.py thumb/lfs.code.c.csv \
                        -fcode=size -q -o-) \
                    <(./scripts/summary.py thumb/lfs.data.c.csv \
                        -fdata=size -q -o-) \
                    <(./scripts/summary.py thumb/lfs.stack.c.csv \
                        -fstack=limit -q -o-) \
                    <(./scripts/summary.py thumb/lfs.structs.c.csv \
                        -fstructs=size -q -o-) \
                    -fcode -fdata -fstack -fstructs \
                    -q -o-)
        else
            ./scripts/summary.py \
                <(./scripts/summary.py thumb/lfs.code.c.csv \
                    -fcode=size -q -o-) \
                <(./scripts/summary.py thumb/lfs.data.c.csv \
                    -fdata=size -q -o-) \
                <(./scripts/summary.py thumb/lfs.stack.c.csv \
                    -fstack=limit -q -o-) \
                <(./scripts/summary.py thumb/lfs.structs.c.csv \
                    -fstructs=size -q -o-) \
                -fcode -fdata -fstack -fstructs \
                --max=stack \
                -Y
            ./scripts/summary.py \
                <(./scripts/summary.py thumb/lfs.code.3.csv \
                    -fcode=size -q -o-) \
                <(./scripts/summary.py thumb/lfs.data.3.csv \
                    -fdata=size -q -o-) \
                <(./scripts/summary.py thumb/lfs.stack.3.csv \
                    -fstack=limit -q -o-) \
                <(./scripts/summary.py thumb/lfs.structs.3.csv \
                    -fstructs=size -q -o-) \
                -fcode -fdata -fstack -fstructs \
                --max=stack \
                -Y
            ./scripts/summary.py \
                <(./scripts/summary.py thumb/lfs.code.2.csv \
                    -fcode=size -q -o-) \
                <(./scripts/summary.py thumb/lfs.data.2.csv \
                    -fdata=size -q -o-) \
                <(./scripts/summary.py thumb/lfs.stack.2.csv \
                    -fstack=limit -q -o-) \
                <(./scripts/summary.py thumb/lfs.structs.2.csv \
                    -fstructs=size -q -o-) \
                -fcode -fdata -fstack -fstructs \
                --max=stack \
                -Y
            ./scripts/summary.py \
                <(./scripts/summary.py thumb/lfs.code.csv \
                    -fcode=size -q -o-) \
                <(./scripts/summary.py thumb/lfs.data.csv \
                    -fdata=size -q -o-) \
                <(./scripts/summary.py thumb/lfs.stack.csv \
                    -fstack=limit -q -o-) \
                <(./scripts/summary.py thumb/lfs.structs.csv \
                    -fstructs=size -q -o-) \
                -fcode -fdata -fstack -fstructs \
                --max=stack \
                -Y
        fi
    ) | awk '
        NR==1 { $0=":" $0; $1="" }
        NR==2 { $1="commit:" }
        NR==4 { $1="prev~2:" }
        NR==6 { $1="prev~1:" }
        NR==8 { $1="current:" }
        NR>2 && NR%2==1 { next }
        {
            nr++;
            c=0;
            for (i=1; i<=NF; i++) {
                if (c > 0 && $i ~ /^\(/) {
                    n[nr,c] = $i;
                } else {
                    a[nr,++c] = $i;
                }
            }
            if (c > nc) nc = c;
        }
        END {
            for (r=1; r<=nr; r++) {
                for (c=1; c<=nc; c++) {
                    if (length(a[r,c]) > wa[c]) wa[c] = length(a[r,c]);
                    if (length(n[r,c]) > wn[c]) wn[c] = length(n[r,c]);
                }
            }
            for (r=1; r<=nr; r++) {
                printf "%-*s ", wa[1], a[r,1];
                if (wn[1]) {
                    printf "%-*s ", wn[1], n[r,1];
                }
                for (c=2; c<=nc; c++) {
                    printf " %*s", int((wa[c]+1+4-1)/4)*4-1, a[r,c];
                    if (wn[c]) {
                        printf " %-*s", wn[c], n[r,c];
                    }
                }
                printf "\n";
            }
        }'
fi