94 lines
2.3 KiB
Bash
Executable file
94 lines
2.3 KiB
Bash
Executable file
#!/bin/sh
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# Runs a shell command (or interactive shell) using the binaries
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# bundled with this app.
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set -e
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base="$(dirname "$0")"
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if [ ! -d "$base" ]; then
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echo "** cannot find base directory (I seem to be $0)" >&2
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exit 1
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fi
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bundle="$base/bundle"
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if [ ! -e "$bundle/git-annex" ]; then
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echo "** bundle directory $bundle does not contain git-annex" >&2
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exit 1
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fi
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if [ ! -e "$bundle/git" ]; then
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echo "** bundle directory $bundle does not contain git" >&2
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exit 1
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fi
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# Get absolute path to base, to avoid breakage when things change directories.
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orig="$(pwd)"
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cd "$base"
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base="$(pwd)"
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cd "$orig"
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# Install shim that's used to run git-annex-shell from ssh authorized_keys.
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# The assistant also does this when run, but the user may not be using the
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# assistant.
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if [ ! -e "$HOME/.ssh/git-annex-shell" ]; then
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mkdir "$HOME/.ssh" >/dev/null 2>&1 || true
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if [ -e "$HOME/.ssh" ]; then
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(
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echo "#!/bin/sh"
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echo "set -e"
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echo "if [ \"x\$SSH_ORIGINAL_COMMAND\" != \"x\" ]; then"
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echo "exec '$base/runshell' git-annex-shell -c \"\$SSH_ORIGINAL_COMMAND\""
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echo "else"
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echo "exec '$base/runshell' git-annex-shell -c \"\$@\""
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echo "fi"
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) > "$HOME/.ssh/git-annex-shell"
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chmod +x "$HOME/.ssh/git-annex-shell"
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fi
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fi
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# And this shim is used by the webapp when adding a remote ssh server.
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if [ ! -e "$HOME/.ssh/git-annex-wrapper" ]; then
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mkdir "$HOME/.ssh" >/dev/null 2>&1 || true
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if [ -e "$HOME/.ssh" ]; then
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(
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echo "#!/bin/sh"
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echo "set -e"
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echo "exec '$base/runshell' \"\$@\""
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) > "$HOME/.ssh/git-annex-wrapper"
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chmod +x "$HOME/.ssh/git-annex-wrapper"
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fi
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fi
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# Put our binaries first, to avoid issues with out of date or incompatible
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# system binaries. Extra binaries come after system path.
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ORIG_PATH="$PATH"
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export ORIG_PATH
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PATH="$bundle:$PATH:$bundle/extra"
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export PATH
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ORIG_GIT_EXEC_PATH="$GIT_EXEC_PATH"
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export ORIG_GIT_EXEC_PATH
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GIT_EXEC_PATH="$bundle"
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export GIT_EXEC_PATH
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ORIG_GIT_TEMPLATE_DIR="$GIT_TEMPLATE_DIR"
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export ORIG_GIT_TEMPLATE_DIR
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GIT_TEMPLATE_DIR="$bundle/templates"
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export GIT_TEMPLATE_DIR
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GIT_ANNEX_DIR="$bundle"
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export GIT_ANNEX_DIR
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# Indicate which variables were exported above and should be cleaned
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# when running non-bundled programs.
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GIT_ANNEX_STANDLONE_ENV="PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR"
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export GIT_ANNEX_STANDLONE_ENV
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if [ "$1" ]; then
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cmd="$1"
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shift 1
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exec "$cmd" "$@"
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else
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$SHELL
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fi
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