53 lines
1.3 KiB
Bash
Executable file
53 lines
1.3 KiB
Bash
Executable file
#!/bin/sh
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# Runs a shell command (or interactive shell) using the binaries and
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# libraries 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 $0)" >&2
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exit 1
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fi
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if [ ! -e "$base/bin/git-annex" ]; then
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echo "** base directory $base does not contain bin/git-annex" >&2
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exit 1
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fi
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if [ ! -e "$base/bin/git" ]; then
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echo "** base directory $base does not contain bin/git" >&2
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exit 1
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fi
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# Get absolute path to base, to avoid breakage when things change directories.
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orig="$(pwd)"
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cd "$base"
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base="$(pwd)"
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cd "$orig"
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# Put our binaries first, to avoid issues with out of date or incompatable
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# system binaries.
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PATH=$base/bin:$PATH
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export PATH
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# Using DYLD_FALLBACK_LIBRARY_PATH rather than DYLD_LIBRARY_PATH, so as
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# not to force binaries to link against possibly the wrong versions of
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# libraries found in the path. With DYLD_FALLBACK_LIBRARY_PATH, the
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# system's versions of libraries will be used when possible, and otherwise
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# it will fall back to using the libraries bundled with this app.
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for lib in "$(cat $base/libdirs)"; do
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DYLD_FALLBACK_LIBRARY_PATH="$base/$lib:$DYLD_FALLBACK_LIBRARY_PATH"
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done
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export DYLD_FALLBACK_LIBRARY_PATH
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GIT_EXEC_PATH=$base/git-core
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export GIT_EXEC_PATH
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if [ "$1" ]; then
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cmd="$1"
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shift 1
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"$cmd" "$@"
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else
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$SHELL
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fi
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