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Add reset_tstamp.sh tool, updated MIN_TIMESTAMP
Simplified the reset_min_timestamp Makefile rule.
Changed MIN_TIMESTAMP from 1643987926 to 1650779341
We added a new tool: reset_tstamp.sh
usage: ./reset_tstamp.sh [-h] [-v level] [-V] [-l limit_ioccc.h]
-h print help and exit 8
-v level set debug level (def: 0)
-V print version and exit 8
-l limit_ioccc.h version info file (def: ./limit_ioccc.h)
Exit codes:
0 timestamp updated
1 failed Phase 0 of verification
2 failed Phase 1 of verification
3 failed Phase 2 of verification
4 failed Phase 3 of verification
5 failed Phase 4 of verification
6 rpl failed to modify limit_ioccc.h
7 limit_ioccc.h not found or not readable and writable
8 -h and help string printed or -V and version string printed
9 Command line usage error
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,245 @@ | ||
| #!/usr/bin/env bash | ||
| # | ||
| # reset_tstamp.sh - reset the minimum timestamp: MIN_TIMESTAMP | ||
| # | ||
| # Only run this rule when you wish to invalidate all timestamps | ||
| # prior to now, such as when you make a fundamental change to a | ||
| # critical JSON format, or make a fundamental change the compressed | ||
| # tarball file structure, or make a critical change to limit_ioccc.h | ||
| # that is MORE restrictive. | ||
| # | ||
| # DO NOT run this rule simply for a new IOCCC! | ||
| # | ||
| # Yes, we make it very hard to run this rule for good reason. | ||
| # Only IOCCC judges can perform ALL the steps needed to complete this action. | ||
| # | ||
| # Copyright (c) 2022 by Landon Curt Noll. All Rights Reserved. | ||
| # | ||
| # Permission to use, copy, modify, and distribute this software and | ||
| # its documentation for any purpose and without fee is hereby granted, | ||
| # provided that the above copyright, this permission notice and text | ||
| # this comment, and the disclaimer below appear in all of the following: | ||
| # | ||
| # supporting documentation | ||
| # source copies | ||
| # source works derived from this source | ||
| # binaries derived from this source or from derived source | ||
| # | ||
| # LANDON CURT NOLL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | ||
| # INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO | ||
| # EVENT SHALL LANDON CURT NOLL BE LIABLE FOR ANY SPECIAL, INDIRECT OR | ||
| # CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF | ||
| # USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR | ||
| # OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | ||
| # PERFORMANCE OF THIS SOFTWARE. | ||
| # | ||
| # chongo (Landon Curt Noll, http://www.isthe.com/chongo/index.html) /\oo/\ | ||
| # | ||
| # Share and enjoy! :-) | ||
|
|
||
|
|
||
| # setup | ||
| # | ||
| export USAGE="usage: $0 [-h] [-v level] [-V] [-l limit_ioccc.h] | ||
| -h print help and exit 8 | ||
| -v level set debug level (def: 0) | ||
| -V print version and exit 8 | ||
| -l limit_ioccc.h version info file (def: ./limit_ioccc.h) | ||
| Exit codes: | ||
| 0 timestamp updated | ||
| 1 failed Phase 0 of verification | ||
| 2 failed Phase 1 of verification | ||
| 3 failed Phase 2 of verification | ||
| 4 failed Phase 3 of verification | ||
| 5 failed Phase 4 of verification | ||
| 6 rpl failed to modify limit_ioccc.h | ||
| 7 limit_ioccc.h not found or not readable and writable | ||
| 8 -h and help string printed or -V and version string printed | ||
| 9 Command line usage error | ||
| >=10 internal error" | ||
| export RESET_TSTAMP_VERSION="0.4 2022-04-23" | ||
| export V_FLAG="0" | ||
| export LIMIT_IOCCC_H="./limit_ioccc.h" | ||
|
|
||
| # parse args | ||
| # | ||
| while getopts :hv:Vl: flag; do | ||
| case "$flag" in | ||
| h) echo "$USAGE" 1>&2 | ||
| exit 8 | ||
| ;; | ||
| v) V_FLAG="$OPTARG"; | ||
| ;; | ||
| V) echo "$RESET_TSTAMP_VERSION" | ||
| exit 8 | ||
| ;; | ||
| l) LIMIT_IOCCC_H="$OPTARG"; | ||
| ;; | ||
| \?) echo "$0: ERROR: invalid option: -$OPTARG" 1>&2 | ||
| exit 9 | ||
| ;; | ||
| :) echo "$0: ERROR: option -$OPTARG requires an argument" 1>&2 | ||
| exit 9 | ||
| ;; | ||
| *) | ||
| ;; | ||
| esac | ||
| done | ||
| if [[ -z $LIMIT_IOCCC_H ]]; then | ||
| echo "$0: ERROR: -b $LIMIT_IOCCC_H name cannot be empty" 1>&2 | ||
| exit 9 | ||
| fi | ||
|
|
||
| # check args | ||
| # | ||
| shift $(( OPTIND - 1 )); | ||
| if [[ $# -gt 0 ]]; then | ||
| echo "$0: ERROR: Expected 0 args, found: $#" 1>&2 | ||
| exit 9 | ||
| fi | ||
|
|
||
| # firewall | ||
| # | ||
| if [[ ! -e $LIMIT_IOCCC_H ]]; then | ||
| echo "$0: ERROR: limit_ioccc.h file not found: $LIMIT_IOCCC_H" 1>&2 | ||
| exit 7 | ||
| fi | ||
| if [[ ! -f $LIMIT_IOCCC_H ]]; then | ||
| echo "$0: ERROR: limit_ioccc.h not a file: $LIMIT_IOCCC_H" 1>&2 | ||
| exit 7 | ||
| fi | ||
| if [[ ! -r $LIMIT_IOCCC_H ]]; then | ||
| echo "$0: ERROR: limit_ioccc.h not a readable file: $LIMIT_IOCCC_H" 1>&2 | ||
| exit 7 | ||
| fi | ||
| if [[ ! -w $LIMIT_IOCCC_H ]]; then | ||
| echo "$0: ERROR: limit_ioccc.h not a writable file: $LIMIT_IOCCC_H" 1>&2 | ||
| exit 7 | ||
| fi | ||
|
|
||
| # debug | ||
| # | ||
| if [[ $V_FLAG -ge 5 ]]; then | ||
| echo "$0: debug[5]: RESET_TSTAMP_VERSION=$RESET_TSTAMP_VERSION" 1>&2 | ||
| echo "$0: debug[5]: LIMIT_IOCCC_H=$LIMIT_IOCCC_H" 1>&2 | ||
| fi | ||
|
|
||
| # verify that we have the rpl command | ||
| # | ||
| export HAVE_RPL | ||
| HAVE_RPL="$(command -v rpl)" | ||
| if [[ -z "$HAVE_RPL" ]]; then | ||
| echo "$0: ERROR: rpl not found" 1>&2 | ||
| echo "$0: ERROR: If do no thave the rpl tool, then you may not perform this actiob." 1>&2 | ||
| exit 1 | ||
| fi | ||
|
|
||
| # Phase 0 of verification | ||
| # | ||
| echo | ||
| echo 'Yes, we make it very hard to run this rule for good reasson.' | ||
| echo 'Only IOCCC judges can perform the ALL the steps needed to complete this action.' | ||
| echo | ||
| echo 'WARNING: This rule will invalidate all timestamps prior to now.' | ||
| echo 'WARNING: Only run this rule when you wish to invalidate all timestamps' | ||
| echo 'WARNING: because you made a fundamental change to a critical JSON format,' | ||
| echo 'WARNING: made a fundamental change to the compressed tarball file structure,' | ||
| echo 'WARNING: or made a critical change to limit_ioccc.h that is MORE restrictive.' | ||
| echo | ||
| echo 'WARNING: DO NOT run this rule simply for a new IOCCC!' | ||
| echo | ||
| echo 'WARNING: If you wish to do this, please enter the following phrase:' | ||
| echo | ||
| echo ' Please invalidate all IOCCC timestamps prior to now' | ||
| echo | ||
| echo -n 'Enter the phrase: ' | ||
| read -r ANSWER | ||
| if [[ "$ANSWER" != 'Please invalidate all IOCCC timestamps prior to now' ]]; then | ||
| echo "$0: notice: Wise choice, MIN_TIMESTAMP was not changed." 1>&2 | ||
| exit 2 | ||
| fi | ||
|
|
||
| # Phase 1 of verification | ||
| # | ||
| echo | ||
| echo 'WARNING: Are you sure you want to invalidate all existing compressed tarballs' | ||
| echo 'WARNING: and all prior .info.JSON files that have been made,' | ||
| echo 'WARNING: and all prior .author.JSON files that have been made,' | ||
| echo 'WARNING: forcing everyone to rebuild their compressed tarball entries?' | ||
| echo | ||
| echo 'WARNING: If you really wish to do this, please enter the following phrase:' | ||
| echo | ||
| echo ' I understand this' | ||
| echo | ||
| echo 'WARNING: followed by the phrase:' | ||
| echo | ||
| echo ' and apologise to those with existing IOCCC compressed tarballs' | ||
| echo | ||
| echo -n 'Enter that phrase: ' | ||
| read -r ANSWER | ||
| if [[ "$ANSWER" != 'I understand this and apologise to those with existing IOCCC compressed tarballs' ]]; then | ||
| echo "$0: notice: Wise choice, MIN_TIMESTAMP was not changed." 1>&2 | ||
| exit 3 | ||
| fi | ||
|
|
||
| # Phase 2 of verification | ||
| # | ||
| echo | ||
| echo 'Enter the phrase that is required (even if you are from that very nice place).' | ||
| echo | ||
| echo -n 'Enter the required phrase: ' | ||
| read -r ANSWER | ||
| if [[ "$ANSWER" != 'Sorry (tm Canada) :=)' ]]; then | ||
| echo "$0: notice: Wise choice, MIN_TIMESTAMP was not changed." 1>&2 | ||
| exit 4 | ||
| fi | ||
|
|
||
| # Phase 3 of verification | ||
| # | ||
| echo | ||
| echo -n 'WARNING: Enter the existing value of MIN_TIMESTAMP: ' | ||
| read -r OLD_MIN_TIMESTAMP | ||
| export NOW | ||
| NOW="$(date '+%s')" | ||
| if grep -q "$OLD_MIN_TIMESTAMP" "$LIMIT_IOCCC_H" >/dev/null 2>&1; then | ||
| echo | ||
| echo 'We guess that you do really really do want to change MIN_TIMESTAMP.' | ||
| echo 'Enter Y if you really want to change the MIN_TIMESTAMP!' | ||
| echo | ||
| else | ||
| echo "$0: ERROR: Invalid value of MIN_TIMESTAMP" 1>&2 | ||
| exit 5 | ||
| fi | ||
|
|
||
| # Change the timestamp | ||
| # | ||
| rpl -w -p \ | ||
| "#define MIN_TIMESTAMP ((time_t)$OLD_MIN_TIMESTAMP)" \ | ||
| "#define MIN_TIMESTAMP ((time_t)$NOW)" "$LIMIT_IOCCC_H" | ||
| status="$?" | ||
| if [[ $status -ne 0 ]]; then | ||
| echo "$0: ERROR: rpl failed to modify $LIMIT_IOCCC_H: error code: $status" 1>&2 | ||
| exit 6 | ||
| fi | ||
| echo | ||
| echo "This line in $LIMIT_IOCCC_H as it exists now, is:" | ||
| echo | ||
| grep '^#define MIN_TIMESTAMP' "$LIMIT_IOCCC_H" | ||
| echo | ||
| echo "%0: notice: You still need to:" | ||
| echo | ||
| echo ' make clobber all test' | ||
| echo | ||
| echo "%0: notice: And if all is well, commit and push the change to the GitHib repo!" | ||
| echo | ||
|
|
||
| # All Done!!! -- Jessica Noll, Age 2 | ||
| # | ||
| exit 0 |
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