util/release/genrelnotes

   1 #!/usr/bin/env bash
   2 #
   3 # SPDX-License-Identifier: GPL-2.0-only
   4
   5 # This script creates a list of commits between two releases, broken out into
   6 # fairly inexact categories, based on the directories that files are in.  If
   7 # a commit touched anything in the path that is checked earlier, it's counted
   8 # as being in that category.
   9 #
  10 # Don't run this in your current working tree, it checks out different versions
  11 # and can lose things.
  12
  13 # set -x # uncomment for debug
  14
  15 # Check for tools
  16
  17 if ! ( git --version && cloc --version && rename --version ) > /dev/null 2>&1
  18 then
  19         echo "ERROR: cloc, git or rename is not installed.  Exiting"
  20         exit 1
  21 fi
  22
  23 if ! { cdup="$(git rev-parse --show-cdup 2>/dev/null)" && [ -z "${cdup}" ]; }
  24 then
  25         echo "ERROR: This is not the top directory of a git repo.  Exiting."
  26         exit 1
  27 fi
  28
  29 # Try to verify that the repo is clean before losing state.
  30 if ! git diff-index --quiet --cached HEAD 2>/dev/null; then
  31         echo "ERROR: repo is not clean.  Exiting."
  32         exit 1
  33 fi
  34
  35 # Verify the command line arguments
  36 if [ "$1" == "--help" ] || [ -z "$1" ] || [ -z "$2" ]; then
  37         echo
  38         echo "Usage: $0 <old_version> <new_version> [release notes file]"
  39         echo "Old version should be a tag (4.1), a branch (origin/4.1), or a commit id"
  40         echo "New version can be 'HEAD' a branch (origin/master) a tag (4.2), or a commit id"
  41         echo "Logfile can be a new file or an existing file to update"
  42         echo "Example: \"$0 origin/4.1 4.2 rnotes.txt\""
  43         echo
  44         echo "Note that the script starts at the commit AFTER the old version."
  45         echo
  46         exit 1
  47 else
  48         OLD_GIT_VERSION="$1"
  49         NEW_GIT_VERSION="$2"
  50         if [ "$OLD_GIT_VERSION" = "HEAD" -o "$NEW_GIT_VERSION" = "HEAD" ]; then
  51                 echo "Error: using HEAD as a reference doesn't work"
  52                 echo
  53                 exit 1
  54         fi
  55         TOTAL_COMMITS=$(git log --pretty=oneline \
  56                 "${OLD_GIT_VERSION}..${NEW_GIT_VERSION}" 2>/dev/null | wc -l)
  57 fi
  58
  59 TOP=$(pwd)
  60
  61 if [ -n "$3" ]; then
  62         MAIN_LOGFILE="${TOP}/$3"
  63 else
  64         MAIN_LOGFILE="${TOP}/relnotes.txt"
  65 fi
  66
  67 # Figure out which logfile we're writing to.  If the specified logfile exists,
  68 # we need to write to a temporary logfile, then append changes to the main
  69 # logfile.
  70 if [ -f "$MAIN_LOGFILE" ]; then
  71         LOGFILE="$(mktemp "LOGFILE.XXXX")"
  72         LOGFILE="${TOP}/$LOGFILE"
  73         UPDATE_MAIN_LOGFILE=1
  74 else
  75         LOGFILE="$MAIN_LOGFILE"
  76 fi
  77
  78 get_author_commit_count() {
  79         git log "${NEW_GIT_VERSION}" 2>/dev/null | grep -c "^Author: $1"
  80 }
  81
  82 # Print and log the versions
  83 log_versions() {
  84         echo "Log of commit $1 to commit $2"
  85         echo "Log of commit $1 to commit $2" >> "$LOGFILE"
  86         echo "Total commits: ${TOTAL_COMMITS}"
  87         echo "Total commits: ${TOTAL_COMMITS}" >> "$LOGFILE"
  88         echo
  89 }
  90
  91 # Get the first commit id in the current tree
  92 get_latest_commit_id() {
  93 (
  94         cd "$1"
  95         git log 2>/dev/null | grep '^commit ' | head -1 | sed 's/commit //'
  96 )
  97 }
  98
  99 # Main get log function
 100 _get_log() {
 101         local oldver="$1"
 102         local newver="$2"
 103         local title="$3"
 104         local paths="$4"
 105         local keywords="$5"
 106
 107         # Leave ${paths} unquoted in the git commands
 108         # shellcheck disable=SC2086
 109         { \
 110                 if [ -n "$paths" ]; then \
 111                         git log --abbrev-commit --pretty=oneline \
 112                                 "${oldver}..${newver}" -- ${paths} \
 113                                 2>/dev/null; \
 114                 fi; \
 115                 if [ -n "$keywords" ]; then \
 116                         git log --abbrev-commit --pretty=oneline \
 117                         "${oldver}..${newver}" 2>/dev/null \
 118                         | grep -i "$keywords"; \
 119                 fi \
 120         } | sort -t ' ' -k 2 | uniq
 121 }
 122
 123 # Output to a new log, then compare to the first logfile, and only output
 124 # non duplicated lines to the final file.
 125 get_log_dedupe() {
 126         local title="$1"
 127         local paths="$2"
 128         local keywords="$3"
 129         local log
 130         local commits
 131
 132         dedupe_tmpfile="$(mktemp "LOGFILE.XXXX")"
 133
 134         log=$(_get_log "$OLD_GIT_VERSION" "$NEW_GIT_VERSION" \
 135                 "$title" "$paths" "$keywords")
 136
 137         echo "$log" > "$dedupe_tmpfile"
 138
 139         log=$(grep -Fxv -f "$LOGFILE" "$dedupe_tmpfile")
 140         commits=$(echo "$log" | wc -l)
 141
 142         #echo "$title: $paths $keywords" >> "$LOGFILE"
 143         printf "%s\n%s\n\n" "##### $title ($commits commits) #####" \
 144                 "$log" >> "$LOGFILE"
 145
 146         rm "$dedupe_tmpfile"
 147 }
 148
 149 # get logs for the submodules
 150 get_log_submodule() {
 151         local old_version="$1"
 152         local new_version="$2"
 153         local submodule_dir="$3"
 154         local log
 155         local commits
 156
 157         printf "Submodule %s\n" "$submodule_dir"
 158         printf "commit %s to commit %s\n\n" "$old_version" "$new_version"
 159
 160         (
 161         cd "${TOP}/$submodule_dir"
 162         log="$(_get_log "$old_version" "$new_version" "$submodule_dir" "." "")"
 163         commits=$(echo "$log" | wc -l)
 164
 165         if [ -n "$log" ]; then
 166                 printf "%s\n" "$submodule_dir ($commits commits)" >> "$LOGFILE"
 167                 printf "\n" >> "$LOGFILE"
 168         fi
 169         )
 170 }
 171
 172 find_areas() {
 173         local directory="$1"
 174         local filename="$2"
 175         local skip="$3"
 176         find "$directory" -name "$filename" | sed "s|/$filename||" | sed "s|/$directory||" | grep -v "$skip" | sort
 177 }
 178
 179 # Make sure things get cleaned up if ctl-c is pressed while the old version
 180 # is checked out and files are renamed.  This can be a real mess to clean
 181 # up manually.
 182 version_ctrl_c() {
 183         printf "\n** Trapped CTRL-C\n Cleaning up and exiting.\n"
 184         find 'src' -name 'gnumakefile' \
 185                 -exec rename 's/gnumakefile/Makefile\.inc/' {} \;
 186         git checkout origin/master > /dev/null 2>&1
 187         git submodule update --init --checkout  > /dev/null 2>&1
 188         rm "$LOGFILE"
 189         exit 1;
 190 }
 191
 192 # Calculate areas that have been added or removed based on file lists
 193 show_diff () {
 194         local new
 195         local old
 196
 197         new="$(comm -13 <(echo "$2") <(echo "$3"))"
 198         old="$(comm -23 <(echo "$2") <(echo "$3"))"
 199
 200         # Allow running a postprocessor, given as 4th argument over the
 201         # resulting diff, provide context if it's old or new data
 202         if [ -n "$4" ]; then
 203                 new=$(echo "$new" | $4 new | sort)
 204                 old=$(echo "$old" | $4 old | sort)
 205         fi
 206         new="$(printf "$new" | sed 's/^/* /')"
 207         old="$(printf "$old" | sed 's/^/* /')"
 208
 209         if [ -n "$new" ]; then
 210                 printf "Added %s $1:\n-------------------\n%s\n\n" \
 211                         "$(echo "$new" | wc -l)" "$new"  >> "$LOGFILE"
 212         fi
 213         if [ -n "$old" ]; then
 214                 printf "Removed %s $1:\n-------------------\n%s\n\n" \
 215                         "$(echo "$old" | wc -l)" "$old"  >> "$LOGFILE"
 216         fi
 217 }
 218
 219 get_sloc () {
 220         # Because cloc works on extensions, and .inc identifies as pascal,
 221         # while we use it both for Makefile.inc and some files that are
 222         # really C, do three passes: everything but .inc files, all .inc files
 223         # that aren't Makefiles, all Makefile.inc, then combine them.
 224
 225         local base=`mktemp`
 226         find src -name Makefile.inc > ${base}.mak
 227
 228         cloc --progress-rate=0 --quiet \
 229                 --script-lang="Bourne Shell",bash --exclude-ext=inc \
 230                 --exclude-dir=vendorcode --out=${base} src
 231         cloc --progress-rate=0 --quiet \
 232                 --exclude-list-file=${base}.mak --force-lang=c,inc \
 233                 --exclude-dir=vendorcode --out=${base}.c src
 234         cloc --progress-rate=0 --quiet \
 235                 --list-file=${base}.mak --force-lang=make,inc \
 236                 --exclude-dir=vendorcode --out=${base}.m src
 237         cloc --progress-rate=0 --quiet --sum-reports \
 238                 ${base} ${base}.c ${base}.m --out ${base}.result
 239
 240         echo
 241         cat ${base}.result.lang
 242
 243         rm -f ${base}*
 244 }
 245
 246 # Start collecting data from the old and new revisions.
 247 # This is relatively disruptive to the tree, so trap on ctl-c so that
 248 # things can be put back to normal
 249 trap version_ctrl_c SIGINT
 250
 251 #check out old version and get information
 252 printf -- "Finding old submodule versions...\n"
 253 git checkout "$OLD_GIT_VERSION" > /dev/null 2>&1
 254 git submodule update --init --checkout  > /dev/null 2>&1
 255 for module in $(git submodule --quiet foreach pwd); do
 256         name="$(basename "$module" | sed 's/-/_/g')"
 257         version="${name^^}_OLD_VERSION"
 258         declare "$version"=$(get_latest_commit_id "$module")
 259 done
 260
 261 printf "Logging directories in the old tree\n"
 262 mainboard_list_old=$(grep -h "^[[:space:]]*config\>[[:space:]]*\<BOARD_" src/mainboard/*/*/Kconfig.name 2>/dev/null | sed "s,^.*\<BOARD_\([A-Z0-9_]*\)\>.*$,\1," | sort)
 263 cpu_list_old=$(find_areas "src/cpu" "Kconfig" "intel/common")
 264 soc_list_old=$(find_areas "src/soc" "Makefile.inc" "intel/common\|amd/common\|romstage")
 265 northbridge_list_old=$(find_areas "src/northbridge" "Kconfig" "")
 266 sio_list_old=$(find_areas "src/superio" "Makefile.inc" "")
 267 southbridge_list_old=$(find_areas "src/southbridge" "Kconfig" "")
 268
 269 printf "Calculating old SLOC\n"
 270 OLD_SLOC=$(get_sloc)
 271
 272 #check out new version and get information
 273 printf -- "\nFinding new submodule versions...\n"
 274 git checkout "$NEW_GIT_VERSION"  > /dev/null 2>&1
 275 git submodule update --init --checkout  > /dev/null 2>&1
 276
 277 for module in $(git submodule --quiet foreach pwd); do
 278         name="$(basename "$module" | sed 's/-/_/g')"
 279         version="${name^^}_NEW_VERSION"
 280         declare "$version"=$(get_latest_commit_id "$module")
 281 done
 282
 283 printf "Logging directories in the new tree\n"
 284 mainboard_list_new=$(grep -h "^[[:space:]]*config\>[[:space:]]*\<BOARD_" src/mainboard/*/*/Kconfig.name 2>/dev/null | sed "s,^.*\<BOARD_\([A-Z0-9_]*\)\>.*$,\1," | sort)
 285 cpu_list_new=$(find_areas "src/cpu" "Kconfig" "intel/common")
 286 soc_list_new=$(find_areas "src/soc" "Makefile.inc" "intel/common\|amd/common\|romstage")
 287 northbridge_list_new=$(find_areas "src/northbridge" "Kconfig" "")
 288 sio_list_new=$(find_areas "src/superio" "Makefile.inc" "")
 289 southbridge_list_new=$(find_areas "src/southbridge" "Kconfig" "")
 290
 291 printf "Calculating new SLOC\n"
 292 NEW_SLOC=$(get_sloc)
 293
 294 git checkout origin/master  > /dev/null 2>&1
 295 git submodule update --init --checkout  > /dev/null 2>&1
 296 trap "" SIGINT
 297 # Done collecting data from the old and new versions
 298
 299 # Start outputting to logfile
 300 echo "Generating release notes from version ${OLD_GIT_VERSION} to ${NEW_GIT_VERSION}"
 301 echo; echo "Main repo"
 302 echo "Main repo" >> "$LOGFILE"
 303 echo "------------------" >> "$LOGFILE"
 304 log_versions "$(git log --pretty=%H \
 305         "${OLD_GIT_VERSION}..${NEW_GIT_VERSION}" 2>/dev/null | tail -1)" \
 306         "$(git log --pretty=%H \
 307         "${OLD_GIT_VERSION}..${NEW_GIT_VERSION}" 2>/dev/null | head -1 )"
 308 echo "" >> "$LOGFILE"
 309
 310 ### SPECIFIC AREAS FOR RELEASE ###
 311 get_log_dedupe "cleanup" "" "spelling\|Use tabs\|transition away from device_t\|space [around\|before]\|code formatting\|commented code\|code cleanup\|capitalize\|unnecessary whitespace\|checkpatch\|remove unused\|remove.*not used"
 312
 313 get_log_dedupe "Google Kahlee / AMD Gardenia" "src/mainboard/google/kahlee src/mainboard/amd/gardenia" "kahlee\|gardenia"
 314 get_log_dedupe "AMD Stoney Ridge" "src/soc/amd/stoneyridge" "stoney"
 315
 316 get_log_dedupe "Google Eve / Poppy / Fizz / Soraka / Nautilus / Intel KblRvp" "src/mainboard/google/eve src/mainboard/google/poppy src/mainboard/google/fizz src/mainboard/intel/kblrvp" "eve[ :]\|poppy\|fizz\|soraka\|nautilus\|kblrvp"
 317 #get_log_dedupe "Intel Kunimitsu / Google Chell / Lars / Glados" "src/mainboard/google/lars src/mainboard/google/chell src/mainboard/google/glados src/mainboard/intel/kunimitsu" "chell\|lars\|kunimitsu"
 318 get_log_dedupe "Purism SKL" "src/mainboard/purism/librem_skl" "librem13v2\|librem_skl"
 319 get_log_dedupe "Intel Skylake / Kabylake" "src/soc/intel/skylake"  "skylake\|sky.lake\|kabylake\|kaby.lake"
 320
 321 get_log_dedupe "Google Cyan / Intel Strago" "src/mainboard/google/cyan src/mainboard/intel/strago" "cyan\|strago"
 322 get_log_dedupe "Intel Braswell" "src/soc/intel/braswell" "braswell"
 323
 324 get_log_dedupe "Google Kevin / Gru / Bob / Scarlet / Nefario" "src/mainboard/google/gru" "kevin\|gru[^b]"
 325 get_log_dedupe "Rockchip rk3399" "src/soc/rockchip/rk3399" "rk3399"
 326
 327 get_log_dedupe "Google Reef / Pyro / Sand / Snappy / Nasher" "src/mainboard/google/reef" "reef\|pyro\|sand[ :]\|snappy\|nasher"
 328 #get_log_dedupe "Intel apollolake_rvp leafhill minnow3" "src/mainboard/intel/apollolake_rvp src/mainboard/intel/leafhill src/mainboard/intel/minnow3" "apollolake_rvp\|leafhill\|minnow3"
 329 get_log_dedupe "Siemens mc_apl1" "src/mainboard/siemens/mc_apl1" "mc_apl1"
 330 get_log_dedupe "Intel Apollolake" "src/soc/intel/apollolake" "apollolake\|apollo.lake"
 331
 332 get_log_dedupe "Intel CannonLake" "src/soc/intel/cannonlake src/mainboard/intel/cannonlake_rvp" "cannonlake"
 333
 334 get_log_dedupe "Intel Galileo" "src/mainboard/intel/galileo" "galileo"
 335 get_log_dedupe "Intel Quark" "src/soc/intel/quark" "quark"
 336
 337 get_log_dedupe "Intel Baytrail" "src/soc/intel/baytrail" "baytrail"
 338 #get_log_dedupe "Google Gale / Qualcomm QX ipq40xx" "src/mainboard/google/gale src/soc/qualcomm/ipq40xx" "gale\|ipq40"
 339 #et_log_dedupe "Google Rotor / Marvell Mvmap2315" "src/soc/marvell/mvmap2315 src/mainboard/google/rotor" "marvell\|mvmap\|rotor"
 340
 341 get_log_dedupe "Gigabyte ga-g41m-es2l" "src/mainboard/gigabyte/ga-g41m-es2l" "es2l"
 342 get_log_dedupe "Intel x4x northbridge / LGA775" "src/northbridge/intel/x4x src/cpu/intel/socket_LGA775" "x4x\|lga775"
 343
 344 get_log_dedupe "Intel Sandybridge / Ivybridge" "src/southbridge/intel/bd82x6x src/southbridge/intel/fsp_bd82x6x src/northbridge/intel/sandybridge src/northbridge/intel/fsp_sandybridge src/cpu/intel/fsp_model_206ax src/cpu/intel/model_206ax" "sandybridge\|ivybridge\|bd82x6x"
 345
 346 get_log_dedupe "Intel Common" "src/soc/intel/common src/southbridge/intel/common src/northbridge/intel/common" ""
 347 get_log_dedupe "Amd Common" "src/soc/amd/common src/southbridge/amd/common" ""
 348
 349 get_log_dedupe "Nvidia" "src/southbridge/nvidia" ""
 350 get_log_dedupe "Via" "src/northbridge/via src/southbridge/via" ""
 351 get_log_dedupe "Broadcom" "src/southbridge/broadcom" ""
 352 get_log_dedupe "Qualcomm" "src/soc/qualcomm" ""
 353
 354 get_log_dedupe "Intel vendorcode / FSP" "src/drivers/intel/fsp* src/vendorcode/intel" ""
 355 get_log_dedupe "AMD vendorcode / AGESA / PI" "src/vendorcode/amd" ""
 356 get_log_dedupe "Google vendorcode" "src/vendorcode/google"
 357
 358 get_log_dedupe "TPM" "src/drivers/i2c/tpm src/security/tpm" "tpm"
 359 get_log_dedupe "Vboot" "src/vboot" "vboot"
 360
 361
 362 ### GENERAL AREAS FOR RELEASE ###
 363 # shellcheck disable=SC2013
 364 {
 365 get_log_dedupe "ARM" \
 366         "$(for codedir in $(grep -rl "_ARM" --include=Kconfig | \
 367         grep -v 'src/mainboard\|payloads/\|drivers/\|vendorcode/\|console' ); \
 368         do dirname "$codedir"; done | grep -v '^src$')"
 369
 370 get_log_dedupe "RISC-V" \
 371         "$(for codedir in $(grep -rl "_RISCV" --include=Kconfig | grep -v 'payloads/\|drivers/\|vendorcode/\|console' ); do dirname "$codedir"; done | grep -v '^src$')" \
 372         "riscv\|risc-v\|sifive"
 373 }
 374
 375 get_log_dedupe "X86 intel" \
 376         "src/cpu/intel src/soc/intel src/northbridge/intel \
 377         src/southbridge/intel src/include/intel src/drivers/intel"
 378
 379 get_log_dedupe "X86 amd" \
 380         "src/cpu/amd src/northbridge/amd src/southbridge/amd src/include/amd src/soc/amd" \
 381         "agesa\|binarypi\|binary.pi"
 382
 383 get_log_dedupe "X86 common" \
 384         "src/arch/x86 src/cpu/x86 src/include/x86 src/include/pc80"
 385
 386 get_log_dedupe "Mainboards" "src/mainboard/"
 387
 388 # Next, print all the rest of the specific areas
 389 get_log_dedupe "ACPI"           "src/acpi/"
 390 get_log_dedupe "Console"        "src/console src/include/console"
 391 get_log_dedupe "SuperIO"        "src/superio src/include/superio"
 392 get_log_dedupe "EC"             "src/ec"
 393 get_log_dedupe "Drivers"        "src/drivers"
 394 get_log_dedupe "Devices"        "src/device src/include/device"
 395
 396 # 5th, print the generic areas - This goes late so that the specific
 397 # area changes will catch any commits in these areas first.
 398 get_log_dedupe "Toolchain"      "util/crossgcc"
 399 get_log_dedupe "cbfstool"       "util/cbfstool"
 400 get_log_dedupe "Lint tools"     "util/lint"
 401 get_log_dedupe "Lib"            "src/lib"
 402 get_log_dedupe "Commonlib"      "src/commonlib"
 403 get_log_dedupe "Include"        "src/include"
 404 get_log_dedupe "Utilities"      "util"
 405 get_log_dedupe "Payloads"       "payloads"
 406 get_log_dedupe "Vendorcode"     "src/vendorcode"
 407 get_log_dedupe "Documentation"  "Documentation README"
 408
 409 # Then look at areas that are usually outside the mainboards and architectures
 410 get_log_dedupe "Build system" \
 411         "Makefile Makefile.inc toolchain.inc src/Kconfig src/cpu/Makefile.inc"
 412
 413 get_log_dedupe "Submodules" "3rdparty util/nvidia/cbootimage"
 414
 415 get_log_dedupe "Maintainers" "MAINTAINERS" ""
 416
 417 # Finally, get anything that was missed above
 418 get_log_dedupe "MISC" "."
 419
 420 # Replace VENDOR_DEVICE from stdin with their nice names on stdout
 421 real_mainboard_names() {
 422         local tree_version=$1 # "old" or "new"
 423         local git_version_var=${tree_version^^}_GIT_VERSION
 424         local git_version=${!git_version_var}
 425         local line
 426
 427         while read line; do
 428                 local file="$(git grep -l "^[[:space:]]*config\>[[:space:]]*\<BOARD_${line}\$" ${git_version} -- src/mainboard/\*/\*/Kconfig.name | sed "s,^${git_version}:,,")"
 429                 if [ -z "$file" ]; then
 430                         echo "This shouldn't happen: couldn't find Kconfig for $line"
 431                         exit 1
 432                 fi
 433                 local vendor="$(git grep \" ${git_version} -- $(echo ${file} | cut -d/ -f1-3,5) | cut -d\" -f2)"
 434                 git grep -h -A1 "^[[:space:]]*config\>[[:space:]]*\<BOARD_${line}\$" ${git_version} -- ${file} | grep \" |cut -d\" -f2 |sed "s,^,${vendor} ,"
 435         done
 436 }
 437
 438 # Show areas that have been added or removed
 439 show_diff "mainboards"   "$mainboard_list_old"   "$mainboard_list_new"    real_mainboard_names
 440 show_diff "processors"   "$cpu_list_old"         "$cpu_list_new"
 441 show_diff "socs"         "$soc_list_old"         "$soc_list_new"
 442 show_diff "northbridges" "$northbridge_list_old" "$northbridge_list_new"
 443 show_diff "southbridges" "$southbridge_list_old" "$southbridge_list_new"
 444 show_diff "sios"         "$sio_list_old"         "$sio_list_new"
 445
 446 # Log submodules
 447 printf "Submodules\n----------\n" >> "$LOGFILE"
 448 for module in $(git submodule --quiet foreach pwd); do
 449         name=$(basename "$module")
 450         # shellcheck disable=SC2001
 451         path=${module#$PWD}
 452         old_version=$(echo "${name^^}_OLD_VERSION" | sed 's/-/_/g')
 453         new_version=$(echo "${name^^}_NEW_VERSION" | sed 's/-/_/g')
 454         get_log_submodule "${!old_version}" "${!new_version}" "$path"
 455 done
 456
 457 printf "\nrepo statistics\n-------------------\n" >> "$LOGFILE"
 458 before_names="$(mktemp "OLDNAMES.XXXX")"
 459 after_names="$(mktemp "NEWNAMES.XXXX")"
 460 NEW_AUTHORS=$(git log --pretty=%an "${OLD_GIT_VERSION}" 2>/dev/null | sort | \
 461         uniq > "$before_names" && \
 462         git log --pretty=%an "${NEW_GIT_VERSION}" 2>/dev/null | \
 463         sort | uniq > "$after_names" && \
 464         grep -Fxv -c -f "$before_names" "$after_names")
 465 NEW_AUTHOR_LIST=$( grep -Fxv -f "$before_names" "$after_names")
 466 rm -f "$before_names" "$after_names"
 467 {
 468         printf -- "- Total commits: %s\n" "$TOTAL_COMMITS"
 469         printf -- "- Total authors: %s\n" \
 470                 "$(git log "${OLD_GIT_VERSION}..${NEW_GIT_VERSION}" 2>/dev/null | \
 471                 grep -e '^Author:' | sed 's/.*Author: //' | sed 's/ <.*.>//' | \
 472                 sort | uniq | wc -l)"
 473         printf -- "- New authors: %s\n\nNew Authors:\n%s\n" "$NEW_AUTHORS" \
 474                 "$NEW_AUTHOR_LIST"
 475 } >> "$LOGFILE"
 476
 477 printf "Getting developer list\n"
 478 printf "\n%-40s:  %5s\n" "Developer" "Commits" >> "$LOGFILE"
 479 git log "${OLD_GIT_VERSION}..${NEW_GIT_VERSION}" 2>/dev/null | grep '^Author: ' | \
 480         sed 's|Author: ||' | sed 's|\s<.*||' | sort | uniq | \
 481         while read -r line; do
 482                  printf "%-40s:  %5s %5s\n" "$line" \
 483                         "$(git log "${OLD_GIT_VERSION}" 2>/dev/null | \
 484                         grep -c "^Author: ${line} <")" \
 485                         "$(git log "${NEW_GIT_VERSION}" 2>/dev/null | \
 486                         grep -c "^Author: ${line} <")" >> "$LOGFILE";
 487          done
 488
 489 printf "\nOld SLOC (%s)\n%s" "$NOW" "$OLD_SLOC" >> "$LOGFILE"
 490 printf "\nNew SLOC (%s)\n%s" "$NOW" "$NEW_SLOC" >> "$LOGFILE"
 491
 492 # Add the collected data to the top of the existing logfile for parsing
 493 if [ -n "$UPDATE_MAIN_LOGFILE" ]; then
 494         tmpfile="$(mktemp "LOGFILE.XXXX")"
 495         grep -Fxv -f "$MAIN_LOGFILE" "$LOGFILE" > "$tmpfile"
 496         printf "\n\n" >> "$tmpfile"
 497         cat "$MAIN_LOGFILE" >> "$tmpfile"
 498         mv "$tmpfile" "$MAIN_LOGFILE"
 499         rm -f "$LOGFILE"
 500 fi
 501
 502 printf "Done.\n"