Landon Curt Noll
d98a29a940
In conjunction with changes made to "the other repo", we now set: export LANG="C" export LC_CTYPE="C" export LC_NUMERIC="C" export LC_TIME="C" export LC_COLLATE="C" export LC_MONETARY="C" export LC_MESSAGES="C" export LC_PAPER="C" export LC_NAME="C" export LC_ADDRESS="C" export LC_TELEPHONE="C" export LC_MEASUREMENT="C" export LC_IDENTIFICATION="C" export LC_ALL="C" instead of just "$LC_ALL", "$LANG", "$LC_NUMERIC".
128 lines
3.6 KiB
Bash
Executable File
128 lines
3.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# sgi.sh - sort .gitignore canonically from stdin to stdout
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#
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# We canonicalize .gitignore lines as follows:
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#
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# We print lines # in the order they appear, 1st.
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# We dictionary sort with lines starting with * 2nd.
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# We dictionary sort with lines starting with ! 3rd.
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# We dictionary sort with lines starting with / 4th.
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# We dictionary sort all other lines 5th.
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#
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# For each step past the 1st step, we remove duplicate lines.
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#
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# Example usage in vim with a keyboard macro <escape>f:
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#
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# :map ^[f 1G!G../../bin/sgi.sh^M
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#
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# or via .vimrc:
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#
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# " sort the entire .gitignore file using ../../bin/sgi.sh
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# :map ^[f 1G!G../../bin/sgi.sh^M
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#
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# NOTE: The ^[ above is ((Escape)) and ^M is ((Control-M)).
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#
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# Example usage in shell:
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#
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# rm -f t && ../../bin/sgi.sh < .gitignore > t && mv -f t .gitignore
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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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# IOCCC requires use of C locale
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#
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export LANG="C"
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export LC_CTYPE="C"
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export LC_NUMERIC="C"
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export LC_TIME="C"
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export LC_COLLATE="C"
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export LC_MONETARY="C"
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export LC_MESSAGES="C"
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export LC_PAPER="C"
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export LC_NAME="C"
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export LC_ADDRESS="C"
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export LC_TELEPHONE="C"
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export LC_MEASUREMENT="C"
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export LC_IDENTIFICATION="C"
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export LC_ALL="C"
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# load stdin into a temporary gitignore file
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#
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export VERSION="2.0.0 2025-03-13"
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NAME=$(basename "$0")
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export NAME
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export TMP_GITIGNORE=".tmp.$NAME.GITIGNORE.$$.tmp"
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trap 'rm -f $TMP_GITIGNORE; exit' 0 1 2 3 15
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rm -f "$TMP_GITIGNORE"
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if [[ -e $TMP_GITIGNORE ]]; then
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echo "$0: ERROR: cannot remove temporary gitignore file: $TMP_GITIGNORE" 1>&2
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exit 10
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fi
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cat > "$TMP_GITIGNORE"
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if [[ ! -e $TMP_GITIGNORE ]]; then
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echo "$0: ERROR: cannot create temporary gitignore file: $TMP_GITIGNORE" 1>&2
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exit 11
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fi
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# step 0: print .gitignore comment lines in order
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#
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grep '^#' "$TMP_GITIGNORE"
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# print unique lines from the following 5 steps to stdout
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#
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# These 5 types of .gitignore lines are printed in
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# step order as part of our .gitignore canonization.
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#
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{
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# step 1: print * lines, sorted by dictionary
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#
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grep '^\*' "$TMP_GITIGNORE" | LC_ALL=C sort -d
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# step 2: print ! lines, sorted by dictionary
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#
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grep '^!' "$TMP_GITIGNORE" | LC_ALL=C sort -d
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# step 3: print . lines, sorted by dictionary
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#
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grep '^\.' "$TMP_GITIGNORE" | LC_ALL=C sort -d
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# step 4: print / lines, sorted by dictionary
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#
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grep '^/' "$TMP_GITIGNORE" | LC_ALL=C sort -d
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# step 5: print all other lines, sorted by dictionary
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#
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grep '^[^#*!./]' "$TMP_GITIGNORE" | LC_ALL=C sort -d
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} | uniq
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# All Done!!! All Done!!! -- Jessica Noll, Age 2
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#
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exit 0
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