summaryrefslogtreecommitdiff
path: root/util/release/genrelnotes
blob: e4f304b72710d7146e559dacb1a6d22b1d7b785b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
#!/usr/bin/env bash
#
# This file is part of the coreboot project.
#
# Copyright 2015-2016 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.


# This script creates a list of commits between two releases, broken out into
# fairly inexact categories, based on the directories that files are in.  If
# a commit touched anything in the path that is checked earlier, it's counted
# as being in that category.
#
# Don't run this in your current working tree, it checks out different versions
# and can lose things.

# set -x # uncomment for debug

# Check for tools

if ! ( git --version && cloc --version && rename --version ) > /dev/null 2>&1
then
	echo "ERROR: cloc or git is not installed.  Exiting"
	exit 1
fi

if ! { cdup="$(git rev-parse --show-cdup 2>/dev/null)" && [ -z "${cdup}" ]; }
then
	echo "ERROR: This is not the top directory of a git repo.  Exiting."
	exit 1
fi

# Try to verify that the repo is clean before losing state.
if ! git diff-index --quiet --cached HEAD 2>/dev/null; then
	echo "ERROR: repo is not clean.  Exiting."
	exit 1
fi

# Verify the command line arguments
if [ "$1" == "--help" ] || [ -z "$1" ] || [ -z "$2" ]; then
	echo
	echo "Usage: $0 <old_version> <new_version> [release notes file]"
	echo "Old version should be a tag (4.1), a branch (origin/4.1), or a commit id"
	echo "New version can be 'HEAD' a branch (origin/master) a tag (4.2), or a commit id"
	echo "Logfile can be a new file or an existing file to update"
	echo "Example: \"$0 origin/4.1 4.2 rnotes.txt\""
	echo
	echo "Note that the script starts at the commit AFTER the old version."
	echo
	exit 1
else
	OLD_GIT_VERSION="$1"
	NEW_GIT_VERSION="$2"
	TOTAL_COMMITS=$(git log --pretty=oneline \
		"${OLD_GIT_VERSION}..${NEW_GIT_VERSION}" 2>/dev/null | wc -l)
fi

TOP=$(pwd)

if [ -n "$3" ]; then
	MAIN_LOGFILE="${TOP}/$3"
else
	MAIN_LOGFILE="${TOP}/relnotes.txt"
fi

# Figure out which logfile we're writing to.  If the specified logfile exists,
# we need to write to a temporary logfile, then append changes to the main
# logfile.
if [ -f "$MAIN_LOGFILE" ]; then
	LOGFILE="$(mktemp "LOGFILE.XXXX")"
	LOGFILE="${TOP}/$LOGFILE"
	UPDATE_MAIN_LOGFILE=1
else
	LOGFILE="$MAIN_LOGFILE"
fi

get_author_commit_count() {
	git log "${NEW_GIT_VERSION}" 2>/dev/null | grep -c "^Author: $1"
}

# Print and log the versions
log_versions() {
	echo "Log of commit $1 to commit $2"
	echo "Log of commit $1 to commit $2" >> "$LOGFILE"
	echo "Total commits: ${TOTAL_COMMITS}"
	echo "Total commits: ${TOTAL_COMMITS}" >> "$LOGFILE"
	echo
}

# Get the first commit id in the current tree
get_latest_commit_id() {
(
	cd "$1"
	git log 2>/dev/null | grep '^commit ' | head -1 | sed 's/commit //'
)
}

# Main get log function
_get_log() {
	local oldver="$1"
	local newver="$2"
	local title="$3"
	local paths="$4"
	local keywords="$5"

	# Leave ${paths} unquoted in the git commands
	# shellcheck disable=SC2086
	{ \
		if [ -n "$paths" ]; then \
			git log --abbrev-commit --pretty=oneline \
				"${oldver}..${newver}" -- ${paths} \
				2>/dev/null; \
		fi; \
		if [ -n "$keywords" ]; then \
			git log --abbrev-commit --pretty=oneline \
			"${oldver}..${newver}" 2>/dev/null \
			| grep -i "$keywords"; \
		fi \
	} | sort -t ' ' -k 2 | uniq
}

# Output to a new log, then compare to the first logfile, and only output
# non duplicated lines to the final file.
get_log_dedupe() {
	local title="$1"
	local paths="$2"
	local keywords="$3"
	local log
	local commits

	dedupe_tmpfile="$(mktemp "LOGFILE.XXXX")"

	log=$(_get_log "$OLD_GIT_VERSION" "$NEW_GIT_VERSION" \
		"$title" "$paths" "$keywords")

	echo "$log" > "$dedupe_tmpfile"

	log=$(grep -Fxv -f "$LOGFILE" "$dedupe_tmpfile")
	commits=$(echo "$log" | wc -l)

	#echo "$title: $paths $keywords" >> "$LOGFILE"
	printf "%s\n%s\n\n" "##### $title ($commits commits) #####" \
		"$log" >> "$LOGFILE"

	rm "$dedupe_tmpfile"
}

# get logs for the submodules
get_log_submodule() {
	local old_version="$1"
	local new_version="$2"
	local submodule_dir="$3"
	local log
	local commits

	printf "Submodule %s\n" "$submodule_dir"
	printf "commit %s to commit %s\n\n" "$old_version" "$new_version"

	(
	cd "${TOP}/$submodule_dir"
	log="$(_get_log "$old_version" "$new_version" "$submodule_dir" "." "")"
	commits=$(echo "$log" | wc -l)

	if [ -n "$log" ]; then
		printf "%s\n" "$submodule_dir ($commits commits)" >> "$LOGFILE"
		printf "\n" >> "$LOGFILE"
	fi
	)
}

find_areas() {
	local directory="$1"
	local filename="$2"
	local skip="$3"
	find "$directory" -name "$filename" | sed "s|/$filename||" | sed "s|/$directory||" | grep -v "$skip" | sort
}

# Make sure things get cleaned up if ctl-c is pressed while the old version
# is checked out and files are renamed.  This can be a real mess to clean
# up manually.
version_ctrl_c() {
	printf "\n** Trapped CTRL-C\n Cleaning up and exiting.\n"
	find 'src' -name 'gnumakefile' \
		-exec rename 's/gnumakefile/Makefile\.inc/' {} \;
	git checkout origin/master > /dev/null 2>&1
	git submodule update --init --checkout  > /dev/null 2>&1
	rm -f "$mainboard_list_old" "$mainboard_list_new"
	rm "$LOGFILE"
	exit 1;
}

# Calculate areas that have been added or removed based on file lists
show_diff () {
	local new
	local old

	new="$(comm -13 <(echo "$2") <(echo "$3"))"
	if [ -n "$new" ]; then
		printf "Added %s $1:\n-------------------\n%s\n\n" \
			"$(echo "$new" | wc -l)" "$new"  >> "$LOGFILE"
	fi
	old="$(comm -23 <(echo "$2") <(echo "$3"))"
	if [ -n "$old" ]; then
		printf "Removed %s $1:\n-------------------\n%s\n\n" \
			"$(echo "$old" | wc -l)" "$old"  >> "$LOGFILE"
	fi
}

get_sloc () {
	# Because cloc works on extensions, and .inc identifies as pascal,
	# rename Makefile.inc, then remap the other .inc files to c
	find 'src' -name 'Makefile.inc' -exec rename 's/Makefile\.inc/gnumakefile/' {} \;

	cloc --progress-rate=0 --quiet --script-lang="Bourne Shell",bash \
		--force-lang=c,inc --exclude-dir=vendorcode src

	# Change all the makefiles back to Makefile.inc
	find 'src' -name 'gnumakefile' -exec rename 's/gnumakefile/Makefile\.inc/' {} \;
}

# Start collecting data from the old and new revisions.
# This is relatively disruptive to the tree, so trap on ctl-c so that
# things can be put back to normal
trap version_ctrl_c SIGINT

#check out old version and get information
printf -- "Finding old submodule versions...\n"
git checkout "$OLD_GIT_VERSION" > /dev/null 2>&1
git submodule update --init --checkout  > /dev/null 2>&1
for module in $(git submodule --quiet foreach pwd); do
	name="$(basename "$module" | sed 's/-/_/g')"
	version="${name^^}_OLD_VERSION"
	declare "$version"=$(get_latest_commit_id "$module")
done

printf "Logging directories in the old tree\n"
mainboard_list_old=$(grep -h "^[[:space:]]*config\>[[:space:]]*\<BOARD_" src/mainboard/*/*/Kconfig.name 2>/dev/null | sed "s,^.*\<BOARD_\([A-Z0-9_]*\)\>.*$,\1," | sort)
cpu_list_old=$(find_areas "src/cpu" "Kconfig" "intel/common")
soc_list_old=$(find_areas "src/soc" "Makefile.inc" "intel/common\|amd/common\|romstage")
northbridge_list_old=$(find_areas "src/northbridge" "Kconfig" "")
sio_list_old=$(find_areas "src/superio" "Makefile.inc" "")
southbridge_list_old=$(find_areas "src/southbridge" "Kconfig" "")

printf "Calculating old SLOC\n"
OLD_SLOC=$(get_sloc)

#check out new version and get information
printf -- "\nFinding new submodule versions...\n"
git checkout "$NEW_GIT_VERSION"  > /dev/null 2>&1
git submodule update --init --checkout  > /dev/null 2>&1

for module in $(git submodule --quiet foreach pwd); do
	name="$(basename "$module" | sed 's/-/_/g')"
	version="${name^^}_NEW_VERSION"
	declare "$version"=$(get_latest_commit_id "$module")
done

printf "Logging directories in the new tree\n"
mainboard_list_new=$(grep -h "^[[:space:]]*config\>[[:space:]]*\<BOARD_" src/mainboard/*/*/Kconfig.name 2>/dev/null | sed "s,^.*\<BOARD_\([A-Z0-9_]*\)\>.*$,\1," | sort)
cpu_list_new=$(find_areas "src/cpu" "Kconfig" "intel/common")
soc_list_new=$(find_areas "src/soc" "Makefile.inc" "intel/common\|amd/common\|romstage")
northbridge_list_new=$(find_areas "src/northbridge" "Kconfig" "")
sio_list_new=$(find_areas "src/superio" "Makefile.inc" "")
southbridge_list_new=$(find_areas "src/southbridge" "Kconfig" "")

printf "Calculating new SLOC\n"
NEW_SLOC=$(get_sloc)

git checkout origin/master  > /dev/null 2>&1
git submodule update --init --checkout  > /dev/null 2>&1
trap "" SIGINT
# Done collecting data from the old and new versions

# Start outputting to logfile
echo "Generating release notes from version ${OLD_GIT_VERSION} to ${NEW_GIT_VERSION}"
echo; echo "Main repo"
echo "Main repo" >> "$LOGFILE"
echo "------------------" >> "$LOGFILE"
log_versions "$(git log --pretty=%H \
	"${OLD_GIT_VERSION}..${NEW_GIT_VERSION}" 2>/dev/null | tail -1)" \
	"$(git log --pretty=%H \
	"${OLD_GIT_VERSION}..${NEW_GIT_VERSION}" 2>/dev/null | head -1 )"
echo "" >> "$LOGFILE"

### SPECIFIC AREAS FOR RELEASE ###
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"

get_log_dedupe "Google Kahlee / AMD Gardenia" "src/mainboard/google/kahlee src/mainboard/amd/gardenia" "kahlee\|gardenia"
get_log_dedupe "AMD Stoney Ridge" "src/soc/amd/stoneyridge" "stoney"

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"
#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"
get_log_dedupe "Purism SKL" "src/mainboard/purism/librem_skl" "librem13v2\|librem_skl"
get_log_dedupe "Intel Skylake / Kabylake" "src/soc/intel/skylake"  "skylake\|sky.lake\|kabylake\|kaby.lake"

get_log_dedupe "Google Cyan / Intel Strago" "src/mainboard/google/cyan src/mainboard/intel/strago" "cyan\|strago"
get_log_dedupe "Intel Braswell" "src/soc/intel/braswell" "braswell"

get_log_dedupe "Google Kevin / Gru / Bob / Scarlet / Nefario" "src/mainboard/google/gru" "kevin\|gru[^b]"
get_log_dedupe "Rockchip rk3399" "src/soc/rockchip/rk3399" "rk3399"

get_log_dedupe "Google Reef / Pyro / Sand / Snappy / Nasher" "src/mainboard/google/reef" "reef\|pyro\|sand[ :]\|snappy\|nasher"
#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"
get_log_dedupe "Siemens mc_apl1" "src/mainboard/siemens/mc_apl1" "mc_apl1"
get_log_dedupe "Intel Apollolake" "src/soc/intel/apollolake" "apollolake\|apollo.lake"

get_log_dedupe "Intel CannonLake" "src/soc/intel/cannonlake src/mainboard/intel/cannonlake_rvp" "cannonlake"

get_log_dedupe "Intel Galileo" "src/mainboard/intel/galileo" "galileo"
get_log_dedupe "Intel Quark" "src/soc/intel/quark" "quark"

get_log_dedupe "Intel Baytrail" "src/soc/intel/baytrail" "baytrail"
#get_log_dedupe "Google Gale / Qualcomm QX ipq40xx" "src/mainboard/google/gale src/soc/qualcomm/ipq40xx" "gale\|ipq40"
#et_log_dedupe "Google Rotor / Marvell Mvmap2315" "src/soc/marvell/mvmap2315 src/mainboard/google/rotor" "marvell\|mvmap\|rotor"

get_log_dedupe "Gigabyte ga-g41m-es2l" "src/mainboard/gigabyte/ga-g41m-es2l" "es2l"
get_log_dedupe "Intel x4x northbridge / LGA775" "src/northbridge/intel/x4x src/cpu/intel/socket_LGA775" "x4x\|lga775"

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"

get_log_dedupe "Intel Common" "src/soc/intel/common src/southbridge/intel/common src/northbridge/intel/common" ""
get_log_dedupe "Amd Common" "src/soc/amd/common src/southbridge/amd/common" ""

get_log_dedupe "Nvidia" "src/southbridge/nvidia" ""
get_log_dedupe "Via" "src/northbridge/via src/southbridge/via" ""
get_log_dedupe "Broadcom" "src/southbridge/broadcom" ""
get_log_dedupe "Qualcomm" "src/soc/qualcomm" ""

get_log_dedupe "Intel vendorcode / FSP" "src/drivers/intel/fsp* src/vendorcode/intel" ""
get_log_dedupe "AMD vendorcode / AGESA / PI" "src/vendorcode/amd" ""
get_log_dedupe "Google vendorcode" "src/vendorcode/google"

get_log_dedupe "TPM" "src/drivers/i2c/tpm src/security/tpm" "tpm"
get_log_dedupe "Vboot" "src/vboot" "vboot"


### GENERAL AREAS FOR RELEASE ###
# shellcheck disable=SC2013
{
get_log_dedupe "ARM" \
	"$(for codedir in $(grep -rl "_ARM" --include=Kconfig | \
	grep -v 'src/mainboard\|payloads/\|drivers/\|vendorcode/\|console' ); \
	do dirname "$codedir"; done | grep -v '^src$')"

get_log_dedupe "RISC-V" \
	"$(for codedir in $(grep -rl "_RISCV" --include=Kconfig | grep -v 'payloads/\|drivers/\|vendorcode/\|console' ); do dirname "$codedir"; done | grep -v '^src$')" \
	"riscv\|risc-v\|sifive"

get_log_dedupe "MIPS" \
	"$(for codedir in $(grep -rl "_MIPS" --include=Kconfig | \
	grep -v 'src/mainboard\|payloads/\|drivers/\|vendorcode/\|console' ); \
	do dirname "$codedir"; done | grep -v '^src$')"
}

get_log_dedupe "X86 intel" \
	"src/cpu/intel src/soc/intel src/northbridge/intel \
	src/southbridge/intel src/include/intel src/drivers/intel"

get_log_dedupe "X86 amd" \
	"src/cpu/amd src/northbridge/amd src/southbridge/amd src/include/amd src/soc/amd" \
	"agesa\|binarypi\|binary.pi"

get_log_dedupe "X86 common" \
	"src/arch/x86 src/cpu/x86 src/include/x86 src/include/pc80"

get_log_dedupe "Mainboards" "src/mainboard/"

# Next, print all the rest of the specific areas
get_log_dedupe "ACPI"		"src/acpi/"
get_log_dedupe "Console"	"src/console src/include/console"
get_log_dedupe "SuperIO"	"src/superio src/include/superio"
get_log_dedupe "EC"		"src/ec"
get_log_dedupe "Drivers"	"src/drivers"
get_log_dedupe "Devices"	"src/device src/include/device"

# 5th, print the generic areas - This goes late so that the specific
# area changes will catch any commits in these areas first.
get_log_dedupe "Toolchain"	"util/crossgcc"
get_log_dedupe "cbfstool"	"util/cbfstool"
get_log_dedupe "Lint tools"	"util/lint"
get_log_dedupe "Lib"		"src/lib"
get_log_dedupe "Commonlib"	"src/commonlib"
get_log_dedupe "Include"	"src/include"
get_log_dedupe "Utilities"	"util"
get_log_dedupe "Payloads"	"payloads"
get_log_dedupe "Vendorcode"	"src/vendorcode"
get_log_dedupe "Documentation"	"Documentation README"

# Then look at areas that are usually outside the mainboards and architectures
get_log_dedupe "Build system" \
	"Makefile Makefile.inc toolchain.inc src/Kconfig src/cpu/Makefile.inc"

get_log_dedupe "Submodules" "3rdparty util/nvidia/cbootimage"

get_log_dedupe "Maintainers" "MAINTAINERS" ""

# Finally, get anything that was missed above
get_log_dedupe "MISC" "."

# Show areas that have been added or removed
show_diff "mainboards"   "$mainboard_list_old"   "$mainboard_list_new"
show_diff "processors"   "$cpu_list_old"         "$cpu_list_new"
show_diff "socs"         "$soc_list_old"         "$soc_list_new"
show_diff "northbridges" "$northbridge_list_old" "$northbridge_list_new"
show_diff "southbridges" "$southbridge_list_old" "$southbridge_list_new"
show_diff "sios"         "$sio_list_old"         "$sio_list_new"

# Log submodules
printf "Submodules\n----------\n" >> "$LOGFILE"
for module in $(git submodule --quiet foreach pwd); do
	name=$(basename "$module")
	# shellcheck disable=SC2001
	path=${module#$PWD}
	old_version=$(echo "${name^^}_OLD_VERSION" | sed 's/-/_/g')
	new_version=$(echo "${name^^}_NEW_VERSION" | sed 's/-/_/g')
	get_log_submodule "${!old_version}" "${!new_version}" "$path"
done

printf "\nrepo statistics\n-------------------\n" >> "$LOGFILE"
before_names="$(mktemp "OLDNAMES.XXXX")"
after_names="$(mktemp "NEWNAMES.XXXX")"
NEW_AUTHORS=$(git log --pretty=%an "${OLD_GIT_VERSION}" 2>/dev/null | sort | \
	uniq > "$before_names" && \
	git log --pretty=%an "${NEW_GIT_VERSION}" 2>/dev/null | \
	sort | uniq > "$after_names" && \
	grep -Fxv -c -f "$before_names" "$after_names")
NEW_AUTHOR_LIST=$( grep -Fxv -f "$before_names" "$after_names" && \
	rm "$before_names" "$after_names")
{
	printf -- "- Total commits: %s\n" "$TOTAL_COMMITS"
	printf -- "- Total authors: %s\n" \
		"$(git log "${OLD_GIT_VERSION}..${NEW_GIT_VERSION}" 2>/dev/null | \
		grep -e '^Author:' | sed 's/.*Author: //' | sed 's/ <.*.>//' | \
		sort | uniq | wc -l)"
	printf -- "- New authors: %s\n\nNew Authors:\n%s\n" "$NEW_AUTHORS" \
		"$NEW_AUTHOR_LIST"
} >> "$LOGFILE"

printf "Getting developer list\n"
printf "\n%-40s:  %5s\n" "Developer" "Commits" >> "$LOGFILE"
git log "${OLD_GIT_VERSION}..${NEW_GIT_VERSION}" 2>/dev/null | grep '^Author: ' | \
	sed 's|Author: ||' | sed 's|\s<.*||' | sort | uniq | \
	while read -r line; do
		 printf "%-40s:  %5s %5s\n" "$line" \
		 	"$(git log "${OLD_GIT_VERSION}" 2>/dev/null | \
		 	grep -c "^Author: ${line} <")" \
		 	"$(git log "${NEW_GIT_VERSION}" 2>/dev/null | \
		 	grep -c "^Author: ${line} <")" >> "$LOGFILE";
	 done

printf "\nOld SLOC (%s)\n%s" "$NOW" "$OLD_SLOC" >> "$LOGFILE"
printf "\nNew SLOC (%s)\n%s" "$NOW" "$NEW_SLOC" >> "$LOGFILE"

# Add the collected data to the top of the existing logfile for parsing
if [ -n "$UPDATE_MAIN_LOGFILE" ]; then
	tmpfile="$(mktemp "LOGFILE.XXXX")"
	grep -Fxv -f "$MAIN_LOGFILE" "$LOGFILE" > "$tmpfile"
	printf "\n\n" >> "$tmpfile"
	cat "$MAIN_LOGFILE" >> "$tmpfile"
	mv "$tmpfile" "$MAIN_LOGFILE"
	rm -f "$LOGFILE"
fi

printf "Done.\n"