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392175d6e8
/bin/sh and /usr/bin/env are the only two binaries that NixOS provides at a fixed path (outside a buildFHSUserEnv sandbox). This discussion was split from #11004. Signed-off-by: Anders Kaseorg <andersk@mit.edu>
58 lines
1.9 KiB
Bash
Executable File
58 lines
1.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -x
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set -e
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# Ensure the directory for LAST_DEPENDENCIES_HASH exists
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mkdir -p /var/lib/zulip
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SOURCES_FILE=/etc/apt/sources.list.d/zulip_debathena.list
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STAMP_FILE=/etc/apt/sources.list.d/zulip_debathena.list.apt-update-in-progress
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ZULIP_SCRIPTS="$(dirname "$(dirname "$0")")"
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DEPENDENCIES_HASH=$(sha1sum "$ZULIP_SCRIPTS/setup/"*.asc "$0")
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DEPENDENCIES_HASH_FILE="/var/lib/zulip/setup-repositories-state-debathena"
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# Ensure that DEPENDENCIES_HASH_FILE exists before hashing it.
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touch "$DEPENDENCIES_HASH_FILE"
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LAST_DEPENDENCIES_HASH="$(cat "$DEPENDENCIES_HASH_FILE")"
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# First, we only do anything in setup-apt-repo if any of its inputs
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# (apt keys, code, etc.) changed.
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if [ "$DEPENDENCIES_HASH" = "$LAST_DEPENDENCIES_HASH" ]; then
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exit 0
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fi
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# Ensure that the sources file exists
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touch "$SOURCES_FILE"
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# Hash it to check if the sources file is changed by the script later.
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zulip_source_hash=$(sha1sum "$SOURCES_FILE")
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apt-get install -y lsb-release apt-transport-https gnupg
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SCRIPTS_PATH="$(dirname "$(dirname "$0")")"
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release=$(lsb_release -sc)
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if [ "$release" = "xenial" ]; then
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apt-key add "$SCRIPTS_PATH"/setup/debathena-archive.asc
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cat >$SOURCES_FILE <<EOF
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deb http://debathena.mit.edu/apt $release debathena debathena-config
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deb-src http://debathena.mit.edu/apt $release debathena debathena-config
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EOF
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else
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echo "Unsupported release $release."
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exit 1
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fi
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# Copied blindly from scripts/lib/setup-apt-repo
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if [ "$zulip_source_hash" = "$(sha1sum "$SOURCES_FILE")" ] && ! [ -e "$STAMP_FILE" ]; then
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echo "zulip.list file did not change; skipping apt-get update"
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else
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# We create this stamp file to ensure `apt-get update` will be run
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# the next time this script is invoked, and each time after, until
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# `apt-get update` finishes successfully.
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touch "$STAMP_FILE"
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apt-get update && rm -f "$STAMP_FILE"
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fi
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echo "$DEPENDENCIES_HASH" > "$DEPENDENCIES_HASH_FILE"
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