f991c8c526
In this case, we can't clean up old locale caches, but presumably the system has something to clean up /tmp eventually.
237 lines
6.9 KiB
Bash
Executable file
237 lines
6.9 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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os="$(uname -o 2>/dev/null || true)"
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base="$(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 $base does not contain bin/git-annex" >&2
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exit 1
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fi
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# Get absolute path to base, to avoid breakage when things change directories.
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orig="$(pwd)"
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cd "$base"
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base="$(pwd)"
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cd "$orig"
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# --library-path won't work if $base contains : or ;
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# Detect this problem, and work around it by using a temp directory.
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if echo "$base" | grep -q '[:;]'; then
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tbase=$(mktemp -d -p /tmp annexshimXXXXXXXXX 2>/dev/null || true)
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if [ -z "$tbase" ]; then
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tbase="/tmp/annexshim.$$"
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mkdir "$tbase"
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fi
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ln -s "$base" "$tbase/link"
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base="$tbase/link"
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cleanuptbase () {
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rm -rf "$tbase"
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}
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trap cleanuptbase EXIT
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else
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tbase=""
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fi
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# Set this variable when using this script inside a package of git-annex,
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# which arranges for git-annex, git-annex-shell, and git to all be in the
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# standard PATH.
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GIT_ANNEX_PACKAGE_INSTALL=
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if [ -z "$GIT_ANNEX_PACKAGE_INSTALL" ]; then
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# Install shim that's used to run git-annex-shell from ssh authorized
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# keys. The assistant also does this when run, but the user may not
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# be using the 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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fi
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# Used by git-annex assistant to further install itself.
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GIT_ANNEX_APP_BASE="$base"
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export GIT_ANNEX_APP_BASE
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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="$base/bin:$PATH:$base/extra"
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export PATH
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# These env vars are used by the shim wrapper around each binary.
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for lib in $(cat "$base/libdirs"); do
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GIT_ANNEX_LD_LIBRARY_PATH="$base/$lib:$GIT_ANNEX_LD_LIBRARY_PATH"
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done
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export GIT_ANNEX_LD_LIBRARY_PATH
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GIT_ANNEX_DIR="$base"
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export GIT_ANNEX_DIR
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ORIG_GCONV_PATH="$GCONV_PATH"
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export ORIG_GCONV_PATH
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GCONV_PATH="$base/$(cat "$base/gconvdir")"
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export GCONV_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="$base/git-core"
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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="$base/templates"
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export GIT_TEMPLATE_DIR
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ORIG_MANPATH="$MANPATH"
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export ORIG_MANPATH
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MANPATH="$base/usr/share/man:$MANPATH"
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export MANPATH
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# LD_PRELOAD may interact badly with the bundled libc and other libraries,
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# which may have a different subarchitecture than the preloaded library.
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unset LD_PRELOAD
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# Avoid using system locales, which may interact badly with bundled libc.
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ORIG_LOCPATH="$LOCPATH"
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export ORIG_LOCPATH
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LOCPATH="$HOME/.cache/git-annex/locales/$(echo "$base" | tr / _ )"
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if ! mkdir -p "$LOCPATH" 2>/dev/null; then
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tlocpath=$(mktemp -d -p /tmp annexlocalesXXXXXXXXX 2>/dev/null || true)
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if [ -z "$tlocpath" ]; then
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tlocpath="/tmp/annexlocales.$$"
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fi
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LOCPATH="$tlocpath/locales/$(echo "$base" | tr / _ )"
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fi
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export LOCPATH
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# Clean up locale caches when their standalone bundle no longer exists.
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for localecache in $HOME/.cache/git-annex/locales/*; do
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cachebase=$(cat "$localecache/base" 2>/dev/null || true)
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if [ ! -d "$cachebase" ] || ! cmp "$localecache/buildid" "$cachebase/buildid" >/dev/null ; then
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rm -rf "$localecache"
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fi
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done
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# If the locale cache for this bundle is out of date, refresh it.
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if [ -e "$LOCPATH/buildid" ] && ! cmp "$LOCPATH/buildid" "$base/buildid" >/dev/null ; then
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rm -rf "$LOCPATH"
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fi
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mkdir -p "$LOCPATH"
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echo "$base" > "$LOCPATH/base"
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cp "$base/buildid" "$LOCPATH/buildid"
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# Generate locale definition files for the locales in use,
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# using the localedef and locale files from the bundle.
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# Currently only utf-8 locales are handled.
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lastlocaleenv=""
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for localeenv in "$LANG" "$LANGUAGE" "$LC_CTYPE" "$LC_NUMERIC" "$LC_TIME" \
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"$LC_COLLATE" "$LC_MONETARY" "$LC_MESSAGES" "$LC_PAPER" \
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"$LC_NAME" "$LC_ADDRESS" "$LC_TELEPHONE" "$LC_MEASUREMENT" \
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"$LC_IDENTIFICATION" "$LC_ALL"; do
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if [ "$localeenv" != "$lastlocaleenv" ]; then
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lastlocaleenv="$localeenv"
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if [ ! -d "$LOCPATH/$localeenv" ]; then
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if [ "${localeenv##[!.]*.}" = "utf8" ] || [ "${localeenv##[!.]*.}" = "UTF-8" ]; then
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(
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rm -rf "$LOCPATH/$localeenv.new.$$" &&
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mkdir -p "$LOCPATH/$localeenv.new.$$" &&
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# cd to $base since localedef reads files from pwd
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cd "$base" &&
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# Run localedef using the bundled i18n files;
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# use LANG=C to avoid it reading the system locale archive.
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I18NPATH="$base/i18n" LANG=C localedef -i "${localeenv%%.*}" -c -f UTF-8 "$LOCPATH/$localeenv.new.$$" &&
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mv "$LOCPATH/$localeenv.new.$$" "$LOCPATH/$localeenv"
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) >/dev/null 2>/dev/null || true
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fi
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fi
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fi
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done
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useproot=""
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case "$os" in
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# Make this bundle work well on Android.
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Android)
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if [ -e "$base/git" ]; then
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echo "Running on Android.. Adding git-annex to PATH for you, and tuning for optimal behavior." >&2
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# The bundled git does not work well on sdcard, so delete
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# it and use termux's git which works better.
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cd "$base"
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find . | grep git | grep -v git-annex | grep -v git-remote-tor-annex | grep -v git-remote-gcrypt | xargs rm -rf
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cd "$orig"
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# Save the poor Android user the typing.
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if ! [ -e "$HOME/.profile" ] || ! grep -q "$base" "$HOME/.profile"; then
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echo 'PATH=$PATH:'"$base" >> $HOME/.profile
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fi
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fi
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# Work around Android 8's seccomp filtering of some crucial
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# system calls, using termux's version of proot.
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useproot=1
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# Store ssh connection caching sockets outside of sdcard.
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GIT_ANNEX_TMP_DIR="$TMPDIR"
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export GIT_ANNEX_TMP_DIR
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GIT_ANNEX_STANDLONE_ENV="PATH GCONV_PATH MANPATH LOCPATH"
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export GIT_ANNEX_STANDLONE_ENV
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;;
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*)
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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 GCONV_PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR MANPATH LOCPATH"
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export GIT_ANNEX_STANDLONE_ENV
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;;
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esac
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if [ "$1" ]; then
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cmd="$1"
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shift 1
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else
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cmd=sh
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fi
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if [ -z "$tbase" ]; then
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if [ "$useproot" ]; then
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exec proot "$cmd" "$@"
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else
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exec "$cmd" "$@"
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fi
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else
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# allow EXIT trap to cleanup
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if [ "$useproot" ]; then
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proot "$cmd" "$@"
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else
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"$cmd" "$@"
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fi
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fi
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