mirror of
https://github.com/Mercury-Language/mercury.git
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ae701f4200
git_hooks/update_copyright.pre-commit:
Document the operation of this script in more detail.
Document the use of the new Makefile, and of the new environment
variable that can be used to avoid redundant copies of the update_copyright
program's executable.
git_hooks/Makefile:
Add a trivial makefile to shorten the build and clean commands.
git_hooks/update_copyright.m:
Merge contiguous year ranges in copyright lines.
72 lines
1.9 KiB
Bash
Executable File
72 lines
1.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# This script is designed to update the Copyright lines of all files
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# that are going to be modified in the commit in a workspace,
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# before the commit is made.
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#
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# If ${ws} is the pathname of a workspace, then you enable this script
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# for that workspace by
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#
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# - compiling update_copyright.m to an executable, and
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# - copying or symlinking this script to ${ws}/.git/hooks/pre-commit.
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#
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# The first step can be done by the command
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#
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# make update_copyright
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#
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# The unneeded intermediate files from the first step can cleaned up
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# by the command
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#
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# make clean
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#
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# By default, this script requires the executable git_hooks/update_copyright
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# to be present in the workspace. You can avoid having a duplicate copy
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# of that executable in every workspace by
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#
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# - putting that executable in some central location, and
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# - setting the environment variable UPDATE_MERCURY_COPYRIGHT
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# to invoke that executable.
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#
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set -e
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rootdir=$( git rev-parse --show-toplevel )
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if test "${UPDATE_MERCURY_COPYRIGHT}" != ""
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then
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update_copyright="${UPDATE_MERCURY_COPYRIGHT}"
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else
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update_copyright="${rootdir}/git_hooks/update_copyright"
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fi
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# Continue only if the update_copyright program is available.
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command -v "${update_copyright}" > /dev/null || exit 0
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# Find changed files for this commit.
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changed_files=($( git diff --name-only --cached --diff-filter=ACMR ))
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update_files=()
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unknown_files=()
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for file in "${changed_files[@]}"
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do
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case ${file} in
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*.[mchly] | *.in | *.java | *Mmake*)
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update_files+=( "$file" )
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;;
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*)
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unknown_files+=( "$file" )
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;;
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esac
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done
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if test "${#unknown_files}" -gt 0
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then
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update_files+=($( grep -sl 'Copyright .* Mercury [Tt]eam' "${unknown_files[@]}" \
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|| true ))
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fi
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if test "${#update_files}" -gt 0
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then
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# Accept both "Mercury team" and "Mercury Team".
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exec "${update_copyright}" --suffix ' Mercury ' -- "${update_files[@]}"
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fi
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