new package: rsnapshot
Requested in https://github.com/termux/termux-packages/issues/2463.
This commit is contained in:
Leonid Pliushch
parent
198e4ca96d
commit
a97c2921fa
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@ -0,0 +1,28 @@
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TERMUX_PKG_HOMEPAGE=https://www.rsnapshot.org/
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TERMUX_PKG_DESCRIPTION="A remote filesystem snapshot utility"
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TERMUX_PKG_LICENSE="GPL-2.0"
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TERMUX_PKG_VERSION=1.4.3
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TERMUX_PKG_SRCURL=https://github.com/rsnapshot/rsnapshot/archive/$TERMUX_PKG_VERSION.tar.gz
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TERMUX_PKG_SHA256=ab5f70f5b5db4f77f0156856bf4fd60eadb22b4dd6883bf4beb6d54b1bd4980d
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TERMUX_PKG_DEPENDS="coreutils, openssh, perl, rsync"
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TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
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--with-perl=$TERMUX_PREFIX/bin/perl
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--with-rsync=$TERMUX_PREFIX/bin/rsync
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--with-rm=$TERMUX_PREFIX/bin/rm
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--with-ssh=$TERMUX_PREFIX/bin/ssh
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--with-du=$TERMUX_PREFIX/bin/du
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"
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TERMUX_PKG_CONFFILES="etc/rsnapshot.conf"
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termux_step_pre_configure() {
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./autogen.sh
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}
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termux_step_post_make_install() {
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mkdir -p $TERMUX_PREFIX/etc
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sed -e "s|@TERMUX_BASE_DIR@|/data/data/com.termux/files|g" \
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-e "s|@TERMUX_PREFIX@|$TERMUX_PREFIX|g" \
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-e "s|@TERMUX_HOME@|$TERMUX_ANDROID_HOME|g" \
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$TERMUX_PKG_BUILDER_DIR/rsnapshot.conf > $TERMUX_PREFIX/etc/rsnapshot.conf
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}
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@ -0,0 +1,168 @@
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diff -uNr rsnapshot-1.4.3/rsnapshot-program.pl rsnapshot-1.4.3.mod/rsnapshot-program.pl
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--- rsnapshot-1.4.3/rsnapshot-program.pl 2019-11-17 03:57:50.000000000 +0200
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+++ rsnapshot-1.4.3.mod/rsnapshot-program.pl 2020-01-04 15:09:32.625965909 +0200
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@@ -2618,7 +2618,7 @@
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# same as $interval_max, except for the previous interval.
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# this is used to determine which of the previous snapshots to pull from
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- # e.g., cp -al alpha.$prev_interval_max/ beta.0/
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+ # e.g., cp -a alpha.$prev_interval_max/ beta.0/
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my $prev_interval_max;
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# FIGURE OUT WHICH INTERVAL WE'RE RUNNING, AND HOW IT RELATES TO THE OTHERS
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@@ -3347,7 +3347,7 @@
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# operates on directories in the given interval (it should be the lowest one)
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# deletes the highest numbered directory in the interval, and rotates the ones below it
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# if link_dest is enabled, .0 gets moved to .1
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-# otherwise, we do cp -al .0 .1
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+# otherwise, we do cp -a .0 .1
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#
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# if we encounter an error, this script will terminate the program with an error condition
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#
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@@ -3492,7 +3492,7 @@
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# otherwise, we hard link (except for directories, symlinks, and special files) sync to .0
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else {
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- # cp -al .sync .0
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+ # cp -a .sync .0
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if (-d "$config_vars{'snapshot_root'}/.sync/") {
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display_cp_al("$config_vars{'snapshot_root'}/.sync/", "$config_vars{'snapshot_root'}/$interval.0/");
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@@ -4773,7 +4773,7 @@
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}
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# accepts src, dest
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-# prints out the cp -al command that would be run, based on config file data
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+# prints out the cp -a command that would be run, based on config file data
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sub display_cp_al {
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my $src = shift(@_);
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my $dest = shift(@_);
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@@ -4786,10 +4786,10 @@
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if (!defined($dest)) { bail('dest not defined in display_cp_al()'); }
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if (defined($config_vars{'cmd_cp'})) {
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- print_cmd("$config_vars{'cmd_cp'} -al $src $dest");
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+ print_cmd("$config_vars{'cmd_cp'} -a $src $dest");
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}
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else {
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- print_cmd("native_cp_al(\"$src\", \"$dest\")");
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+ print_cmd("cp -a $src $dest");
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}
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}
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@@ -4802,31 +4802,14 @@
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my $dest = shift(@_);
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my $result = 0;
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- # use gnu cp if we have it
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- if (defined($config_vars{'cmd_cp'})) {
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- $result = gnu_cp_al("$src", "$dest");
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-
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- }
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-
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- # fall back to the built-in native perl replacement, followed by an rsync clean-up step
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- else {
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-
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- # native cp -al
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- $result = native_cp_al("$src", "$dest");
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- if (1 != $result) {
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- return ($result);
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- }
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-
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- # rsync clean-up
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- $result = rsync_cleanup_after_native_cp_al("$src", "$dest");
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- }
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+ $result = gnu_cp_al("$src", "$dest");
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return ($result);
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}
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-# This is to test whether cp -al seems to work in a simple case
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-# return 0 if cp -al succeeds
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-# return 1 if cp -al fails
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+# This is to test whether cp -a seems to work in a simple case
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+# return 0 if cp -a succeeds
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+# return 1 if cp -a fails
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# return -1 if something else failed - test inconclusive
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sub test_cp_al {
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my $s = "$config_vars{'snapshot_root'}/cp_al1";
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@@ -4836,7 +4819,7 @@
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-d $s || mkdir($s) || return (-1);
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open(TT1, ">>$s/tt1") || return (-1);
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close(TT1) || return (-1);
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- $result = system($config_vars{'cmd_cp'}, '-al', "$s", "$d");
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+ $result = system($config_vars{'cmd_cp'}, '-a', "$s", "$d");
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if ($result != 0) {
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return (1);
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}
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@@ -4870,12 +4853,17 @@
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}
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# make the system call to GNU cp
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- $result = system($config_vars{'cmd_cp'}, '-al', "$src", "$dest");
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+ if (defined($config_vars{'cmd_cp'})) {
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+ $result = system($config_vars{'cmd_cp'}, '-a', "$src", "$dest");
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+ } else {
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+ $result = system('cp', '-a', "$src", "$dest");
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+ }
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+
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if ($result != 0) {
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$status = $result >> 8;
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- print_err("$config_vars{'cmd_cp'} -al $src $dest failed (result $result, exit status $status).", 2);
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+ print_err("$config_vars{'cmd_cp'} -a $src $dest failed (result $result, exit status $status).", 2);
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if (test_cp_al() > 0) {
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- print_err("Perhaps your cp does not support -al options?", 2);
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+ print_err("Perhaps your cp does not support -a option?", 2);
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}
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return (0);
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}
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@@ -4883,7 +4871,7 @@
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return (1);
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}
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-# This is a purpose built, native perl replacement for GNU "cp -al".
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+# This is a purpose built, native perl replacement for GNU "cp -a".
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# However, it is not quite as good. it does not copy "special" files:
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# block, char, fifo, or sockets.
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# Never the less, it does do regular files, directories, and symlinks
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@@ -6645,9 +6633,7 @@
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B<rsnapshot> saves much more disk space than you might imagine. The amount
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of space required is roughly the size of one full backup, plus a copy
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-of each additional file that is changed. B<rsnapshot> makes extensive
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-use of hard links, so if the file doesn't change, the next snapshot is
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-simply a hard link to the exact same file.
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+of each additional file that is changed.
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B<rsnapshot> will typically be invoked as root by a cron job, or series
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of cron jobs. It is possible, however, to run as any arbitrary user
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@@ -6806,8 +6792,7 @@
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<snapshot_root>/alpha.{1,2,3,4} will all be rotated +1, if they exist.
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-<snapshot_root>/alpha.0/ will be copied to <snapshot_root>/alpha.1/
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-using hard links.
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+<snapshot_root>/alpha.0/ will be copied to <snapshot_root>/alpha.1/.
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Each backup point (explained below) will then be rsynced to the
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corresponding directories in <snapshot_root>/alpha.0/
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@@ -7204,9 +7189,7 @@
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rsnapshot will take the generated "mydatabase.sql" file and move it into the
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<snapshot_root>/<retain>.0/db_backup/ directory. On subsequent runs,
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rsnapshot checks the differences between the files created against the
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-previous files. If the backup script generates the same output on the next
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-run, the files will be hard linked against the previous ones, and no
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-additional disk space will be taken up.
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+previous files.
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=back
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@@ -7389,7 +7372,7 @@
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=back
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This will call the rsnapshot-diff program, which will scan both directories
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-looking for differences (based on hard links).
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+looking for differences.
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B<rsnapshot sync>
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@ -0,0 +1,196 @@
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#################################################
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# rsnapshot.conf - rsnapshot configuration file #
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#################################################
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# #
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# PLEASE BE AWARE OF THE FOLLOWING RULE: #
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# #
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# This file requires tabs between elements #
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# #
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#################################################
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#######################
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# CONFIG FILE VERSION #
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#######################
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config_version 1.2
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###########################
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# SNAPSHOT ROOT DIRECTORY #
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###########################
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# All snapshots will be stored under this root directory.
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#
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snapshot_root @TERMUX_BASE_DIR@/snapshots/
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# If no_create_root is enabled, rsnapshot will not automatically create the
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# snapshot_root directory. This is particularly useful if you are backing
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# up to removable media, such as a FireWire or USB drive.
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#
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#no_create_root 1
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#################################
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# EXTERNAL PROGRAM DEPENDENCIES #
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#################################
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cmd_rsnapshot_diff @TERMUX_PREFIX@/bin/rsnapshot-diff
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cmd_cp @TERMUX_PREFIX@/bin/cp
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cmd_rm @TERMUX_PREFIX@/bin/rm
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cmd_rsync @TERMUX_PREFIX@/bin/rsync
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# Uncomment this to enable remote ssh backups over rsync.
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#
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#cmd_ssh @TERMUX_PREFIX@/bin/ssh
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# Uncomment this to specify the path to "du" for disk usage checks.
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# If you have an older version of "du", you may also want to check the
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# "du_args" parameter below.
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#
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#cmd_du /data/data/com.termux/files/usr/bin/du
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# Specify the path to a script (and any optional arguments) to run right
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# before rsnapshot syncs files
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#
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#cmd_preexec /path/to/preexec/script
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# Specify the path to a script (and any optional arguments) to run right
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# after rsnapshot syncs files
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#
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#cmd_postexec /path/to/postexec/script
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#########################################
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# BACKUP LEVELS / INTERVALS #
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# Must be unique and in ascending order #
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# e.g. alpha, beta, gamma, etc. #
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#########################################
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retain alpha 6
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retain beta 7
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retain gamma 4
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#retain delta 3
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############################################
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# GLOBAL OPTIONS #
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# All are optional, with sensible defaults #
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############################################
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# Verbose level, 1 through 5.
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# 1 Quiet Print fatal errors only
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# 2 Default Print errors and warnings only
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# 3 Verbose Show equivalent shell commands being executed
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# 4 Extra Verbose Show extra verbose information
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# 5 Debug mode Everything
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#
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verbose 2
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# Same as "verbose" above, but controls the amount of data sent to the
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# logfile, if one is being used. The default is 3.
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#
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loglevel 3
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# If you enable this, data will be written to the file you specify. The
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# amount of data written is controlled by the "loglevel" parameter.
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#
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#logfile @TERMUX_PREFIX@/var/log/rsnapshot
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# If enabled, rsnapshot will write a lockfile to prevent two instances
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# from running simultaneously (and messing up the snapshot_root).
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# If you enable this, make sure the lockfile directory is not world
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# writable. Otherwise anyone can prevent the program from running.
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#
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lockfile @TERMUX_PREFIX@/var/run/rsnapshot.pid
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# By default, rsnapshot check lockfile, check if PID is running
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# and if not, consider lockfile as stale, then start
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# Enabling this stop rsnapshot if PID in lockfile is not running
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#
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#stop_on_stale_lockfile 0
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# Default rsync args. All rsync commands have at least these options set.
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#
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#rsync_short_args -a
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#rsync_long_args --delete --numeric-ids --relative --delete-excluded
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# ssh has no args passed by default, but you can specify some here.
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#
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#ssh_args -p 22
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# Default arguments for the "du" program (for disk space reporting).
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# The GNU version of "du" is preferred. See the man page for more details.
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# If your version of "du" doesn't support the -h flag, try -k flag instead.
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#
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#du_args -csh
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# If this is enabled, rsync won't span filesystem partitions within a
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# backup point. This essentially passes the -x option to rsync.
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# The default is 0 (off).
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#
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#one_fs 0
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# The include and exclude parameters, if enabled, simply get passed directly
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# to rsync. If you have multiple include/exclude patterns, put each one on a
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# separate line. Please look up the --include and --exclude options in the
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# rsync man page for more details on how to specify file name patterns.
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#
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#include ???
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#include ???
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#exclude ???
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#exclude ???
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# The include_file and exclude_file parameters, if enabled, simply get
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# passed directly to rsync. Please look up the --include-from and
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# --exclude-from options in the rsync man page for more details.
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#
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#include_file /path/to/include/file
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#exclude_file /path/to/exclude/file
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# If your version of rsync supports --link-dest, consider enabling this.
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# This is the best way to support special files (FIFOs, etc) cross-platform.
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# The default is 0 (off).
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#
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#link_dest 0
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# When sync_first is enabled, it changes the default behaviour of rsnapshot.
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# Normally, when rsnapshot is called with its lowest interval
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# (i.e.: "rsnapshot alpha"), it will sync files AND rotate the lowest
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# intervals. With sync_first enabled, "rsnapshot sync" handles the file sync,
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# and all interval calls simply rotate files. See the man page for more
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# details. The default is 0 (off).
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#
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#sync_first 0
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# If enabled, rsnapshot will move the oldest directory for each interval
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# to [interval_name].delete, then it will remove the lockfile and delete
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# that directory just before it exits. The default is 0 (off).
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#
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#use_lazy_deletes 0
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# Number of rsync re-tries. If you experience any network problems or
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# network card issues that tend to cause ssh to fail with errors like
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# "Corrupted MAC on input", for example, set this to a non-zero value
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# to have the rsync operation re-tried.
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#
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#rsync_numtries 0
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###############################
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### BACKUP POINTS / SCRIPTS ###
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###############################
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# LOCALHOST
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backup @TERMUX_HOME@ localhost/
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backup @TERMUX_PREFIX@ localhost/
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#backup_script @TERMUX_PREFIX@/bin/backup_pgsql.sh localhost/postgres/
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# EXAMPLE.COM
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#backup_exec @TERMUX_PREFIX@/bin/date "+ backup of example.com started at %c"
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#backup root@example.com:/home/ example.com/ +rsync_long_args=--bwlimit=16,exclude=core
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#backup root@example.com:/etc/ example.com/ exclude=mtab,exclude=core
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#backup_exec ssh root@example.com "mysqldump -A > /var/db/dump/mysql.sql"
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#backup root@example.com:/var/db/dump/ example.com/
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#backup_exec @TERMUX_PREFIX@/bin/date "+ backup of example.com ended at %c"
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# CVS.SOURCEFORGE.NET
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#backup_script @TERMUX_PREFIX@/bin/backup_rsnapshot_cvsroot.sh rsnapshot.cvs.sourceforge.net/
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# RSYNC.SAMBA.ORG
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#backup rsync://rsync.samba.org/rsyncftp/ rsync.samba.org/rsyncftp/
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