Cody Boone Ferguson
c8d9d2eeb9
Accidentally committed absolute path of sed. Also it now shows the sed commands with high enough -v level. This is to help with a strange problem I discovered (not fixed yet).
120 lines
3.5 KiB
Bash
Executable File
120 lines
3.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# sgit - sed -i on all files under git control
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#
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# usage: sgit -e 'sed command'... <glob...>
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#
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# This script will allow one to update files under git control without having to
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# come up with a list of files and then passing those to the command. It allows
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# for multiple sed commands (all with in-place editing) and multiple globs.
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#
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# DISCLAIMER AND WARNING: this is something of a hack and might be error prone.
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# It works for what is needed but possibly could be improved. Even so I like it
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# how it is and I don't think it would do good to add any additional features
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# except perhaps allowing for one to specify path to sed.
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#
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# - Cody Boone Ferguson (@xexyl)
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#
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export SGIT_VERSION="0.0.2-1 13-02-2023" # format: major.minor.patch-release DD-MM-YYYY
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USAGE="usage: $(basename "$0") [-h] [-V] [-v level] [-e command] <glob...>
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-h print help and exit
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-V print version and exit
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-v level set verbosity level
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-e command append sed command to execute on globs
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sgit version: $SGIT_VERSION"
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export VERBOSITY=0
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export SED_COMMANDS=
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# parse args
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#
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while getopts :hVv:e: flag; do
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case "$flag" in
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h) echo "$USAGE" 1>&2
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exit 2
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;;
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V) echo "$SGIT_VERSION" 1>&2
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exit 2
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;;
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v) VERBOSITY="$OPTARG";
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;;
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e) SED_COMMANDS="$SED_COMMANDS -e $OPTARG"
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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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*)
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;;
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esac
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done
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shift $(( OPTIND - 1 ));
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# firewall
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# check that SED_COMMANDS is not empty!
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if [[ -z "$SED_COMMANDS" ]]; then
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echo "$(basename "$0"): ERROR: you must specify at least one sed command" 1>&2
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echo 1>&2
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echo "$USAGE" 1>&2
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exit 2
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fi
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# also check number of remaining args
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if [[ "$#" -eq 0 ]]; then
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echo "$(basename "$0"): ERROR: you must specify at least one glob" 1>&2
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echo 1>&2
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echo "$USAGE" 1>&2
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exit 2
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fi
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# then check that this is a git repo!
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git status 2>/dev/null 1>&2
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status="$?"
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if [[ "$status" -ne 0 ]]; then
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echo "$(basename "$0"): ERROR: ${PWD} not a git repository" 1>&2
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exit 1
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fi
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if [[ $VERBOSITY -gt 1 ]]; then
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echo "debug[2]: sed commands: $SED_COMMANDS" 1>&2
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fi
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# This is not the best performance because it does this on all files of the glob
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# rather than only those files matched by the glob with matching text but it's
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# better than it used to be (it used to run git ls-files on the repo for each
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# sed command so the more you had the slow it would become as it had to get the
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# list of files each time!).
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#
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# A better approach would be to somehow use git grep to find files that match
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# but this would complicate the command line (at least in anyway I can think of
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# how to do it) so we do it on all files in the repo.
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#
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# But these would possibly require additional args to the command and
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# unnecessarily complicate matters. Anyway it's a hack so it doesn't have to be
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# perfect (not that there even is such a thing as perfect).
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#
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if [[ "$VERBOSITY" -gt 1 ]]; then
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echo "debug[2]: looping through all globs" 1>&2
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fi
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i=0
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while [[ "$i" -le "$#" ]]; do
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if [[ "$VERBOSITY" -gt 1 ]]; then
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echo "debug[2]: found glob: $1" 1>&2
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fi
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if [[ "$VERBOSITY" -ge 1 ]]; then
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echo "debug[1]: about to run: git ls-files $1 | xargs sed -i '' $SED_COMMANDS" 1>&2
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fi
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# shellcheck disable=SC2086
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# SC2086 (info): Double quote to prevent globbing and word splitting. We can't
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# quote this because we need to have word splitting.
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git ls-files "$1" | xargs sed -i '' $SED_COMMANDS
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((i++))
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shift 1
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done
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