46 lines
1014 B
Bash
Executable File
46 lines
1014 B
Bash
Executable File
#!/bin/sh
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set -e -x
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# Usage: commit-gh <sub-directory>
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#
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# Creates a commit containing only the files in the sub-directory provided as an argument
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#
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# Does not disturb the working copy or index
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[ -d "$1" ] || exit 1
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# Commit to this branch
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BRANCH=refs/heads/gh-pages
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# Use the main branch description as the gh-pages commit message
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MSG=`git describe --tags --always`
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# Scratch space
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TDIR=`mktemp -d -p $PWD`
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# Automatic cleanup of scratch space
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trap 'rm -rf $TDIR' INT TERM QUIT EXIT
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export GIT_INDEX_FILE="$TDIR/index"
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# Add listed files to a new (empty) index
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find "$1" -type f -print0 | xargs -0 git update-index --add
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# Write the index into the repo, get tree hash
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TREE=`git write-tree --prefix="$1"`
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echo "TREE $TREE"
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git cat-file -p $TREE
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# Create a commit with our new tree
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# Reference current branch head as parent (if any)
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CMT=`git commit-tree -m "$MSG" $TREE`
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echo "COMMIT $CMT"
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git cat-file -p $CMT
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# Update the branch with the new commit tree hash
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git update-ref $BRANCH $CMT
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echo "Done"
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