Landon Curt Noll
bcdcbd58f9
In all bin shell scripts, set `LC_ALL`, `LANG`, and `LC_NUMERIC` to "C". Changed all bin shell script VERSION to "2.0.0 2025-03-13". Tested the above via `make www` on macOS. Only the sitemap was updated.
553 lines
17 KiB
Bash
Executable File
553 lines
17 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# jprint-wrapper.sh - canonically format JSON to stdout
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#
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# Print JSON in canonical format to standard output.
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#
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# We form a wrapper for the jprint(1), a tool that will format a JSON
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# file into a canonical style.
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#
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# NOTE: As of 2024 Sep 09 the jprint(1) tool has not been written,
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# so jprint-wrapper.sh uses with the jsp tool from:
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#
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# https://github.com/kjozsa/jsp
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#
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# FYI: For macOS, use homebrew to install pipx:
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#
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# brew install pipx
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#
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# Next, use pipx to install jsp:
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#
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# pipx --global install jsp
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#
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# and then be sure that ~/.local/bin is in your $PATH.
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#
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# or the JSONPath.sh(1) tool from:
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#
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# https://github.com/lcn2/JSONPath.sh
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#
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# Copyright (c) 2024 by Landon Curt Noll. All Rights Reserved.
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#
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# Permission to use, copy, modify, and distribute this software and
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# its documentation for any purpose and without fee is hereby granted,
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# provided that the above copyright, this permission notice and text
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# this comment, and the disclaimer below appear in all of the following:
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#
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# supporting documentation
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# source copies
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# source works derived from this source
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# binaries derived from this source or from derived source
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#
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# LANDON CURT NOLL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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# INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO
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# EVENT SHALL LANDON CURT NOLL BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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# CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
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# USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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# OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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# PERFORMANCE OF THIS SOFTWARE.
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#
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# chongo (Landon Curt Noll, http://www.isthe.com/chongo/index.html) /\oo/\
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#
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# Share and enjoy! :-)
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# firewall - run only with a bash that is version 5.1.8 or later
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#
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# The "/usr/bin/env bash" command must result in using a bash that
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# is version 5.1.8 or later.
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#
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# We could relax this version and insist on version 4.2 or later. Versions
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# of bash between 4.2 and 5.1.7 might work. However, to be safe, we will require
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# bash version 5.1.8 or later.
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#
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# WHY 5.1.8 and not 4.2? This safely is done because macOS Homebrew bash we
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# often use is "version 5.2.26(1)-release" or later, and the RHEL Linux bash we
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# use often use is "version 5.1.8(1)-release" or later. These versions are what
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# we initially tested. We recommend you either upgrade bash or install a newer
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# version of bash and adjust your $PATH so that "/usr/bin/env bash" finds a bash
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# that is version 5.1.8 or later.
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#
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# NOTE: The macOS shipped, as of 2024 March 15, a version of bash is something like
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# bash "version 3.2.57(1)-release". That macOS shipped version of bash
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# will NOT work. For users of macOS we recommend you install Homebrew,
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# (see https://brew.sh), and then run "brew install bash" which will
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# typically install it into /opt/homebrew/bin/bash, and then arrange your $PATH
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# so that "/usr/bin/env bash" finds "/opt/homebrew/bin" (or whatever the
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# Homebrew bash is).
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#
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# NOTE: And while MacPorts might work, we noticed a number of subtle differences
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# with some of their ported tools to suggest you might be better off
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# with installing Homebrew (see https://brew.sh). No disrespect is intended
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# to the MacPorts team as they do a commendable job. Nevertheless we ran
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# into enough differences with MacPorts environments to suggest you
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# might find a better experience with this tool under Homebrew instead.
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#
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if [[ -z ${BASH_VERSINFO[0]} ||
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${BASH_VERSINFO[0]} -lt 5 ||
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${BASH_VERSINFO[0]} -eq 5 && ${BASH_VERSINFO[1]} -lt 1 ||
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${BASH_VERSINFO[0]} -eq 5 && ${BASH_VERSINFO[1]} -eq 1 && ${BASH_VERSINFO[2]} -lt 8 ]]; then
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echo "$0: ERROR: bash version needs to be >= 5.1.8: $BASH_VERSION" 1>&2
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echo "$0: Warning: bash version >= 4.2 might work but 5.1.8 was the minimum we tested" 1>&2
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echo "$0: Notice: For macOS users: install Homebrew (see https://brew.sh), then run" \
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""brew install bash" and then modify your \$PATH so that \"#!/usr/bin/env bash\"" \
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"finds the Homebrew installed (usually /opt/homebrew/bin/bash) version of bash" 1>&2
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exit 4
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fi
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# setup bash file matching
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#
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# We must declare arrays with -ag or -Ag, and we need loops to "export" modified variables.
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# This requires a bash with a version 4.2 or later. See the larger comment above about bash versions.
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#
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shopt -s nullglob # enable expanded to nothing rather than remaining unexpanded
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shopt -u failglob # disable error message if no matches are found
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shopt -u dotglob # disable matching files starting with .
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shopt -u nocaseglob # disable strict case matching
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shopt -u extglob # enable extended globbing patterns
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shopt -s globstar # enable ** to match all files and zero or more directories and subdirectories
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# IOCCC requires use of C locale
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#
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export LC_ALL="C"
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export LANG="C"
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export LC_NUMERIC="C"
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# set variables referenced in the usage message
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#
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export VERSION="2.0.0 2025-03-13"
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NAME=$(basename "$0")
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export NAME
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export V_FLAG=0
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GIT_TOOL=$(type -P git)
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export GIT_TOOL
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if [[ -z "$GIT_TOOL" ]]; then
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echo "$0: FATAL: git tool is not installed or not in \$PATH" 1>&2
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exit 5
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fi
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"$GIT_TOOL" rev-parse --is-inside-work-tree >/dev/null 2>&1
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status="$?"
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if [[ $status -eq 0 ]]; then
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TOPDIR=$("$GIT_TOOL" rev-parse --show-toplevel)
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fi
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export TOPDIR
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#
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export REPO_TOP_URL="https://github.com/ioccc-src/winner"
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# GitHub puts individual files under the "blob/master" sub-directory.
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export REPO_URL="$REPO_TOP_URL/blob/master"
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# Until we have a true jfmt tool, we will use wither jsp or the modified JSONPath.sh
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#
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# XXX - XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX - XXX
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# XXX - GROSS HACK - GROSS HACK - GROSS HACK - GROSS HACK - GROSS HACK - GROSS HACK - XXX
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# XXX - until we have the jprint command, we must use external tools to parse JSON - XXX
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# XXX - GROSS HACK - GROSS HACK - GROSS HACK - GROSS HACK - GROSS HACK - GROSS HACK - XXX
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# XXX - XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX - XXX
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#
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export JSP_REPO="https://github.com/kjozsa/jsp"
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export JSONPATH_REPO="https://github.com/lcn2/JSONPath.sh"
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export FIZZBIN_JSON='"fizzbin"'
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export JSP_TOOL=""
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JSP_TOOL=$(type -P jsp)
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export JSONPATH_SH=""
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JSONPATH_SH=$(type -P JSONPath.sh)
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# set the defaiult XPath for JSON
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export XPATHJSON_USE="jsp"
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export QUICK_CHECK=""
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# set usage message
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#
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export USAGE="usage: $0 [-h] [-v level] [-V] [-n] [-N] [-t tool] [-Q] [file.json]
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-h print help message and exit
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-v level set verbosity level (def level: 0)
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-V print version string and exit
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-n do nothing (same as -N) (def: do the action)
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-N do not process file, just parse arguments and ignore the file (def: process the file)
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-t tool tool to use: jsp or JSONPath.sh (def: try jsp, otherwise try JSONPath.sh)
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-Q quick check tool using trivial input (def: do not)
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file.json The JSON file to write, in canonical form, to stdout (def: read stdin)
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Exit codes:
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0 all OK
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1 some internal tool exited non-zero
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2 -h and help string printed or -V and version string printed
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3 command line error
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4 bash version is too old
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5 some internal tool not found
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6 file.json does not exist or is not readable
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>= 10 internal error
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$NAME version: $VERSION"
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# setup
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#
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export NOOP=
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export DO_NOT_PROCESS=
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# parse command line
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#
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while getopts :hv:VnNt:Q flag; do
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case "$flag" in
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h) echo "$USAGE" 1>&2
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exit 2
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;;
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v) V_FLAG="$OPTARG"
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;;
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V) echo "$VERSION"
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exit 2
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;;
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n) NOOP="-n"
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;;
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N) DO_NOT_PROCESS="-N"
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;;
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t) # validate -t tool
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case "$OPTARG" in
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jsp) XPATHJSON_USE="jsp" ;;
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JSONPath.sh) XPATHJSON_USE="JSONPath.sh" ;;
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*) echo "$0: ERROR: unknown -t option: $OPTARG" 1>&2
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echo 1>&2
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echo "$USAGE" 1>&2
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exit 3
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;;
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esac
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;;
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Q) QUICK_CHECK="true"
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;;
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\?) echo "$0: ERROR: invalid option: -$OPTARG" 1>&2
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echo 1>&2
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echo "$USAGE" 1>&2
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exit 3
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;;
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:) echo "$0: ERROR: option -$OPTARG requires an argument" 1>&2
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echo 1>&2
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echo "$USAGE" 1>&2
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exit 3
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;;
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*) echo "$0: ERROR: unexpected value from getopts: $flag" 1>&2
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echo 1>&2
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echo "$USAGE" 1>&2
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exit 3
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;;
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esac
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done
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#
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# parse the command line arguments
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#
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if [[ $V_FLAG -ge 1 ]]; then
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echo "$0: debug[1]: debug level: $V_FLAG" 1>&2
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fi
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#
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shift $(( OPTIND - 1 ));
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#
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if [[ $V_FLAG -ge 1 ]]; then
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echo "$0: debug[5]: argument count: $#" 1>&2
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fi
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export JSON_FILE=
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case "$#" in
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0) ;;
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1) JSON_FILE="$1" ;;
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*) echo "$0: ERROR: expected 0 or 1 arg, found: $#" 1>&2
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echo 1>&2
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echo "$USAGE" 1>&2
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exit 3
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;;
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esac
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#
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if [[ -n $JSON_FILE ]]; then
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if [[ ! -e $JSON_FILE ]]; then
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echo "$0: ERROR: JSON_FILE does not exist: $JSON_FILE" 1>&2
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exit 6
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fi
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if [[ ! -f $JSON_FILE ]]; then
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echo "$0: ERROR: JSON_FILE is not a regular file: $JSON_FILE" 1>&2
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exit 6
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fi
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if [[ ! -r $JSON_FILE ]]; then
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echo "$0: ERROR: JSON_FILE is not an readable file: $JSON_FILE" 1>&2
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exit 6
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fi
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fi
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# verify that we have a topdir directory
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#
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REPO_NAME=$(basename "$REPO_TOP_URL")
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export REPO_NAME
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if [[ -z $TOPDIR ]]; then
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echo "$0: ERROR: cannot find top of git repo directory" 1>&2
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echo "$0: Notice: if needed: $GIT_TOOL clone $REPO_TOP_URL; cd $REPO_NAME" 1>&2
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exit 6
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fi
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if [[ ! -e $TOPDIR ]]; then
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echo "$0: ERROR: TOPDIR does not exist: $TOPDIR" 1>&2
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echo "$0: Notice: if needed: $GIT_TOOL clone $REPO_TOP_URL; cd $REPO_NAME" 1>&2
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exit 6
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fi
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if [[ ! -d $TOPDIR ]]; then
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echo "$0: ERROR: TOPDIR is not a directory: $TOPDIR" 1>&2
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echo "$0: Notice: if needed: $GIT_TOOL clone $REPO_TOP_URL; cd $REPO_NAME" 1>&2
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exit 6
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fi
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# cd to topdir
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#
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if [[ ! -e $TOPDIR ]]; then
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echo "$0: ERROR: cannot cd to non-existent path: $TOPDIR" 1>&2
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exit 6
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fi
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if [[ ! -d $TOPDIR ]]; then
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echo "$0: ERROR: cannot cd to a non-directory: $TOPDIR" 1>&2
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exit 6
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fi
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export CD_FAILED
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if [[ $V_FLAG -ge 5 ]]; then
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echo "$0: debug[5]: about to: cd $TOPDIR" 1>&2
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fi
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cd "$TOPDIR" || CD_FAILED="true"
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if [[ -n $CD_FAILED ]]; then
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echo "$0: ERROR: cd $TOPDIR failed" 1>&2
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exit 6
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fi
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if [[ $V_FLAG -ge 3 ]]; then
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echo "$0: debug[3]: now in directory: $(/bin/pwd)" 1>&2
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fi
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# verify that we have a bin subdirectory
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#
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export BIN_PATH="$TOPDIR/bin"
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if [[ ! -d $BIN_PATH ]]; then
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echo "$0: ERROR: bin is not a directory under topdir: $BIN_PATH" 1>&2
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exit 6
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fi
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export BIN_DIR="bin"
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# validate the XPath for JSON tool
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#
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case "$XPATHJSON_USE" in
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# case: we will use JSONPath.sh
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#
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JSONPath.sh)
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# try JSONPath.sh
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#
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if [[ -z $JSONPATH_SH || ! -x $JSONPATH_SH ]]; then
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echo "$0: ERROR: JSONPath.sh tool is not installed, is not executable, or not in \$PATH" 1>&2
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echo "$0: notice: obtain jsp from: $JSP_REPO" 1>&2
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echo "$0: notice: or obtain jsp via \"pipx install jsp\" and placing ~/.local/bin in \$PATH" 1>&2
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echo "$0: notice: obtain JSONPath.sh from: $JSONPATH_REPO" 1>&2
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echo "$0: notice: if possible install jsp instead of JSONPath.sh as jsp is faster" 1>&2
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exit 5
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fi
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# case: -Q - perform quick check
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#
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if [[ -n $QUICK_CHECK ]]; then
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# verify JSONPath.sh supports -S -A -p
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if ! "$JSONPATH_SH" -S -A -p >/dev/null 2>&1; then
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echo "$0: ERROR: JSONPath.sh tool does not support -S -A: $FIZZBIN_JSON" 1>&2
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echo "$0: notice: we recommend you obtain and install jsp from: $JSP_REPO" 1>&2
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echo "$0: notice: or obtain jsp via \"pipx install jsp\" and placing ~/.local/bin in \$PATH" 1>&2
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echo "$0: notice: otherwise install JSONPath.sh from: $JSONPATH_REPO" 1>&2
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echo "$0: notice: if possible install jsp instead of JSONPath.sh as jsp is faster" 1>&2
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exit 5
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fi <<< "$FIZZBIN_JSON"
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fi
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;;
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# case: we will use jsp
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#
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jsp)
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# try jsp
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#
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if [[ -z $JSP_TOOL || ! -x $JSP_TOOL ]]; then
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echo "$0: ERROR: jsp.sh tool is not installed, is not executable, or not in \$PATH" 1>&2
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echo "$0: notice: obtain jsp from: $JSP_REPO" 1>&2
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echo "$0: notice: or obtain jsp via \"pipx install jsp\" and placing ~/.local/bin in \$PATH" 1>&2
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echo "$0: notice: obtain JSONPath.sh from: $JSONPATH_REPO" 1>&2
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echo "$0: notice: if possible install jsp instead of JSONPath.sh as jsp is faster" 1>&2
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exit 5
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fi
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# case: -Q - perform quick check
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#
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if [[ -n $QUICK_CHECK ]]; then
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# verify jsp
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if ! "$JSP_TOOL" --indent 4 --format --no-color >/dev/null 2>&1; then
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echo "$0: ERROR: jsp tool does not support --indent 4 --format --no-color: $FIZZBIN_JSON" 1>&2
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echo "$0: notice: you might need to update and reinstall jsp from: $JSP_REPO" 1>&2
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echo "$0: notice: or obtain jsp via \"pipx install jsp\" and placing ~/.local/bin in \$PATH" 1>&2
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echo "$0: notice: or you might try to obtain and install JSONPath.sh from: $JSONPATH_REPO" 1>&2
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echo "$0: notice: if possible install jsp instead of JSONPath.sh as jsp is faster" 1>&2
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exit 5
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fi <<< "$FIZZBIN_JSON"
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fi
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;;
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# case: we do not have an XPath for JSON tool
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#
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*)
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echo "$0: ERROR: cannot find an XPath JSON tool to use" 1>&2
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echo "$0: notice: we recommend you obtain and install jsp from: $JSP_REPO" 1>&2
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echo "$0: notice: or obtain jsp via \"pipx install jsp\" and placing ~/.local/bin in \$PATH" 1>&2
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echo "$0: notice: otherwise install JSONPath.sh from: $JSONPATH_REPO" 1>&2
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echo "$0: notice: if possible install jsp instead of JSONPath.sh as jsp is faster" 1>&2
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exit 5
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;;
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esac
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# print running info if verbose
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#
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# If -v 3 or higher, print exported variables in order that they were exported.
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#
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if [[ $V_FLAG -ge 3 ]]; then
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echo "$0: debug[3]: LC_ALL=$LC_ALL" 1>&2
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echo "$0: debug[3]: LANG=$LANG" 1>&2
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echo "$0: debug[3]: LC_NUMERIC=$LC_NUMERIC" 1>&2
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echo "$0: debug[3]: VERSION=$VERSION" 1>&2
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echo "$0: debug[3]: NAME=$NAME" 1>&2
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echo "$0: debug[3]: V_FLAG=$V_FLAG" 1>&2
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echo "$0: debug[3]: GIT_TOOL=$GIT_TOOL" 1>&2
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echo "$0: debug[3]: TOPDIR=$TOPDIR" 1>&2
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echo "$0: debug[3]: REPO_TOP_URL=$REPO_TOP_URL" 1>&2
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echo "$0: debug[3]: REPO_URL=$REPO_URL" 1>&2
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echo "$0: debug[3]: JSP_REPO=$JSP_REPO" 1>&2
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echo "$0: debug[3]: JSONPATH_REPO=$JSONPATH_REPO" 1>&2
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echo "$0: debug[3]: FIZZBIN_JSON=$FIZZBIN_JSON" 1>&2
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echo "$0: debug[3]: JSP_TOOL=$JSP_TOOL" 1>&2
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echo "$0: debug[3]: JSONPATH_SH=$JSONPATH_SH" 1>&2
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echo "$0: debug[3]: XPATHJSON_USE=$XPATHJSON_USE" 1>&2
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echo "$0: debug[3]: QUICK_CHECK=$QUICK_CHECK" 1>&2
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echo "$0: debug[3]: NOOP=$NOOP" 1>&2
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echo "$0: debug[3]: DO_NOT_PROCESS=$DO_NOT_PROCESS" 1>&2
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echo "$0: debug[3]: JSON_FILE=$JSON_FILE" 1>&2
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echo "$0: debug[3]: REPO_NAME=$REPO_NAME" 1>&2
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echo "$0: debug[3]: CD_FAILED=$CD_FAILED" 1>&2
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echo "$0: debug[3]: BIN_PATH=$BIN_PATH" 1>&2
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echo "$0: debug[3]: BIN_DIR=$BIN_DIR" 1>&2
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fi
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# -N stops early before any processing is performed
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#
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if [[ -n $DO_NOT_PROCESS ]]; then
|
|
if [[ $V_FLAG -ge 3 ]]; then
|
|
echo "$0: debug[3]: arguments parsed, -N given, exiting 0" 1>&2
|
|
fi
|
|
exit 0
|
|
fi
|
|
|
|
|
|
# -n means we have nothing to do
|
|
#
|
|
if [[ -n $NOOP ]]; then
|
|
if [[ $V_FLAG -ge 1 ]]; then
|
|
echo "$0: debug[3]: -n given, nothing to do, exiting 0" 1>&2
|
|
fi
|
|
exit 0
|
|
fi
|
|
|
|
|
|
# print the JSON file in canonical format
|
|
#
|
|
case "$XPATHJSON_USE" in
|
|
|
|
# case: use jsp
|
|
#
|
|
jsp)
|
|
|
|
# case: processing JSON from stdin via jsp
|
|
#
|
|
if [[ -z $JSON_FILE ]]; then
|
|
if [[ $V_FLAG -ge 3 ]]; then
|
|
echo "$0: debug[3]: about to: $JSP_TOOL --indent 4 --format --no-color | sed ..." 1>&2
|
|
fi
|
|
"$JSP_TOOL" --indent 4 --format --no-color |
|
|
sed -e 's/\(\S\): /\1 : /'
|
|
status_codes=("${PIPESTATUS[@]}")
|
|
if [[ ${status_codes[*]} =~ [1-9] ]]; then
|
|
echo "$0: ERROR: $JSP_TOOL --indent 4 --format --no-color | sed ... failed", \
|
|
"error codes: ${status_codes[*]}" 1>&2
|
|
exit 1
|
|
fi
|
|
|
|
# processing JSON from a file via jsp
|
|
#
|
|
else
|
|
if [[ $V_FLAG -ge 3 ]]; then
|
|
echo "$0: debug[3]: about to: $JSP_TOOL --indent 4 --format --no-color < $JSON_FILE | sed ..." 1>&2
|
|
fi
|
|
"$JSP_TOOL" --indent 4 --format --no-color < "$JSON_FILE" |
|
|
sed -e 's/\(\S\): /\1 : /'
|
|
status_codes=("${PIPESTATUS[@]}")
|
|
if [[ ${status_codes[*]} =~ [1-9] ]]; then
|
|
echo "$0: ERROR: $JSP_TOOL --indent 4 --format --no-color < $JSON_FILE | sed ... failed", \
|
|
"error codes: ${status_codes[*]}" 1>&2
|
|
exit 1
|
|
fi
|
|
fi
|
|
;;
|
|
|
|
# case: use JSONPath.sh
|
|
#
|
|
JSONPath.sh)
|
|
|
|
# case: processing JSON from stdin via JSONPath.sh
|
|
#
|
|
if [[ -z $JSON_FILE ]]; then
|
|
if [[ $V_FLAG -ge 3 ]]; then
|
|
echo "$0: debug[3]: about to: $JSONPATH_SH -S -A -j" 1>&2
|
|
fi
|
|
"$JSONPATH_SH" -S -A -j
|
|
status="$?"
|
|
if [[ $status -ne 0 ]]; then
|
|
echo "$0: ERROR: $JSONPATH_SH -S -A -j failed," \
|
|
"error code: $status" 1>&2
|
|
exit 1
|
|
fi
|
|
|
|
# processing JSON from a file via JSONPath.sh
|
|
#
|
|
else
|
|
if [[ $V_FLAG -ge 3 ]]; then
|
|
echo "$0: debug[3]: about to: $JSONPATH_SH -S -A -j -f $JSON_FILE" 1>&2
|
|
fi
|
|
"$JSONPATH_SH" -S -A -j -f "$JSON_FILE"
|
|
status="$?"
|
|
if [[ $status -ne 0 ]]; then
|
|
echo "$0: ERROR: $JSONPATH_SH -S -A -j -f $JSON_FILE failed," \
|
|
"error code: $status" 1>&2
|
|
exit 1
|
|
fi
|
|
fi
|
|
;;
|
|
|
|
# case: we do not know which XPath JSON tool to use
|
|
#
|
|
*)
|
|
|
|
echo "$0: ERROR: XPATHJSON_USE is neither jsp nor JSONPath.sh: $XPATHJSON_USE" 1>&2
|
|
exit 12
|
|
;;
|
|
esac
|
|
|
|
|
|
# All Done!!! All Done!!! -- Jessica Noll, Age 2
|
|
#
|
|
exit 0
|