81 lines
1.7 KiB
Bash
Executable File
81 lines
1.7 KiB
Bash
Executable File
#!/bin/bash
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declare -A usage
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declare -A varia
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summary="$0 [options] <repo>"
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usage[b]="Branch of git repo"
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varia[b]=branch
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branch=master
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usage[d]="Destination of clone"
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varia[d]=dst
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dst='.'
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usage[i]="privkey used to ssh pull"
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varia[i]=privkey
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privkey=''
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usage[N]="Clone to a Non-empty target. Existing files will be overwriten"
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varia[N]=nonempty_target
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nonempty_target=false
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usage[K]="Remote host key file (known_hosts) for ssh connections"
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varia[K]=hostkeyfile
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hostkeyfile=''
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. driglibash-args
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# Some SSH options
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ssh_opt='ssh'
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if [ -n "$privkey" ] ; then
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ssh_opt="$ssh_opt -i $privkey"
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fi
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if [ -n "$hostkeyfile" ] ; then
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ssh_opt="$ssh_opt -o 'UserKnownHostsFile $hostkeyfile'"
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fi
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repo="$1"
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if [ -z "$repo" ] ; then
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die "$0: Empty repo given\n$summary"
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fi
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run mkdir -p "$dst"
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run cd "$dst"
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if [ -d .git ] ; then
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run git fetch origin "$branch"
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run git checkout --force -B "$branch" "origin/$branch"
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run git reset --hard
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# Preserve existing files in some cases
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if ! "$nonempty_target" ; then
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git clean -qffdx
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fi
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run git submodule update --init --recursive --force --recommend-shallow
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run git submodule foreach git fetch
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run git submodule foreach git checkout --force HEAD
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run git submodule foreach git reset --hard
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run git submodule foreach git clean -fdx
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else
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clone_dst='.'
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# To override an existing dir, we need to clone elsewhere first
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if "$nonempty_target" ; then
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clone_dst="$(mktemp -d)"
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fi
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run git clone -b "$branch" --single-branch --recurse-submodules --shallow-submodules --depth 1 --config core.sshCommand="$ssh_opt" "$repo" "$clone_dst"
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# To override an existing dir, we then move everything to that dir
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if "$nonempty_target" ; then
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run mv "$clone_dst/"{*,.*} .
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run rmdir "$clone_dst"
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fi
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fi
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