add i.set and autosave system
Along with various (likely irritating) rearranging of code and adjusting of this and that, this change includes identity a basic setter method for identies along with an autoback system which can be inhibited via `export C4_I_AUTOBACKUP_INHIBIT=1`."
This commit is contained in:
parent
961a3ecec2
commit
352e19c87b
1 changed files with 276 additions and 192 deletions
468
ghostwheel.fn.sh
468
ghostwheel.fn.sh
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@ -51,33 +51,82 @@ C4_T_OKAY="${C4_T_OKAY-OKAY}"
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C4_T_FAIL="${C4_T_FAIL-FAIL}"
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####
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#Lab: this ugly beast merges bash associate arrays
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## Lab: this ugly beast merges bash associate arrays
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# (c=(`unset a b c; \
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# declare -A a=([b]="bb" [c]="cc"); \
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# declare -A b=([d]="dd"); declare -p a b | \
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# perl -e '@a= map { chomp; s/^.*=\(|\)$//g; $_ } <>; print qq(@a)' \
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# `); declare -p c)
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# declare -A c=(["[c]=\"cc\" [b]=\"bb\" [d]=\"dd\" "]="" )
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## :Lab declare -A c=(["[c]=\"cc\" [b]=\"bb\" [d]=\"dd\" "]="" )
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####
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## Lab: this one can let us pass functions around
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# (foo="$(declare -fx foo; \
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# function foo { \
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# echo hello;\
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# } ; \
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# export -pf foo; \
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# declare -pf foo; \
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# )" ; \
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# eval "$foo"; \
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# foo )
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## :Lab hello;
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####
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#### c4.maa -
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### join valueset assignments of bash assoicative arrays
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#### c4.f.dval
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### output assignments from bash arrays
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### (unset a b c; \
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### declare -A a=([b]="bb" [c]="cc"); \
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### declare -A b=([d]="dd");\
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### echo $( c4.maa a b ) )
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function c4.maa {
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# avoid warning from declare -p when no arguments are given
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test "$*" && \
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declare -p $@ \
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| perl -e ' # combine assignments:
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$\=q( ); # 1. join ouput on space
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print map { # 6. output the line
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chomp; # 3. rm -f newline
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s/^.*=\(|\)$//g; # 4. extract assignments
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$_ # 5. use value (not replacment count)
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} <>' # 2. walk input from declare -p
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} #### -END c4.maa
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### echo $( c4.f.dval a b ) )
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function c4.f.dval {
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declare -p $@ | perl -e '
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# combine assignments:
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$\=q( ); # 1. join ouput on space
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print map { # 6. output the line
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chomp; # 3. rm -f newline
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s/^.*=\(|\)$//g; # 4. extract assignments
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$_ # 5. use value (not replacment count)
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} <>' # 2. walk input from declare -p
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}
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#### -END c4.f.dval
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#### c4.f.prgs_Array -
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### create associative array from (quoted) name list and args
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function c4.f.pargs {
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declare -la rv=()
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while test -n "$1" ; do
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rv+=$1; shift
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done
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c4.f.dval rv
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}
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#### -END c4.f.pargs_Array
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#### c4.f.sargs_Array -
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### create array from (quoted) string list
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function c4.f.sargs {
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local -a rv;
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local -i i=0;
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for arg in $1 ; do
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rv+=$arg;
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done
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c4.f.dval rv
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}
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#### -END c4.f.sargs
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#### c4.f.nrgs_Array -
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### create associative array from (quoted) name list and args
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#(eval "declare -lA v=($( . ghostwheel.fn.sh; c4.f.nargs "a b" "c" "d" ))"; echo "${v[a]}") #c
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function c4.f.nargs {
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local names="$1"; shift;
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local -A rv;
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local n; for n in $names ; do
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rv[$n]="$1";
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shift;
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done
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c4.f.dval rv
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}
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#### -END c4.f.pargs_Array
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function c4.t.b {
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C4_TN=$((++C4_TN))
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@ -86,7 +135,7 @@ function c4.t.b {
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[tn]=$C4_TN
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[okrv]=0 [okay]="$C4_T_OKAY" [fail]="$C4_T_FAIL"
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[tags]="$1" [runl]="$2" [name]="$3" [desc]="$4"
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); shift; shift; shift; shift;
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); shift 4;
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# pick the first non-empty tag as a prefix
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for t in ${ta[tags]} ; do
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@ -223,7 +272,7 @@ function c4.s.first {
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fi
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done
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}
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c4.t.b "s" 0 "first" "[ x z] == z" test "x" == '$( c4.s.first "" "$foo" "x" "z" )'
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c4.t.b "s" 0 "first" "[ x z] == x" test "x" == '$( c4.s.first "" "$foo" "x" "z" )'
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## Return first non-empty item matching PATTERN from SET
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## when NEGATE is ! or NOT return first non-empty, non-
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@ -257,7 +306,7 @@ function c4.s.firstmatch {
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done
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}
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c4.t.b "s" 0 "firstmatch" "[x o x] == x" test "x" == '"$( c4.s.firstmatch "x" "o" "x" )"'
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c4.t.b "s" 0 "firstmatch" "[!x o x] == o" test "o" == '"$( c4.s.firstmatch "!" "x" "" "x" "o" )"'
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c4.t.b "s" 0 "firstmatch" "[!x x o] == o" test "o" == '"$( c4.s.firstmatch "!" "x" "" "x" "o" )"'
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## give a friendly "did it work?" report
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## TODO supress ANSI color-codes when STDOUT isn't a TTY
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@ -325,10 +374,9 @@ function c4.updn {
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fi
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echo -e "Load \e[1;${C4_UPDN_NC}m${what}\e[0m [\e[1;${color}m${up}\e[0m]$msg"
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}
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#for n in $( seq 0 64 ) ; do (C4_UPDN_GC="$n";c4.updn "foo" "UP" "$n"); done
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#echo_updown "foo" "up" "bar" #[[OK][[1;36mfoo[0m [[1;32mUP[0m] bar]]
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### SYSUTIL
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#( function foo { declare -p; }; foo)
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## print hostname if current (or given) file is on a spoke
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function c4.s.host {
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@ -413,163 +461,6 @@ c4.t.b "s" 0 "gw_is_localhost_f" "== hostname -f" test "0" == '"$(c4.gw_is_local
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c4.t.b "s" 0 "gw_is_localhost" "== hostname -s" test "0" == '"$(c4.gw_is_localhost `hostname -s`; echo "$?")"'
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c4.t.b "s" 0 "name" "!= moo" test "1" == '"$(c4.gw_is_localhost "moo"; echo "$?")"'
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## check validity/availability of a node
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_c4_is_gn=
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function c4.i.is_gn {
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seq "$(<.min)" "$(<.max)" | grep -v "$( perl -le 'printf q{\(%s\)}, join q{\|}, map {chomp;$_} <>' <.skip )" | grep "$(hostname -s | tr -d '[[:alpha:]]')" >/dev/null 2>&1 && echo OK
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}
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## Create a shell script by reading STDIN
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_c4_mksh_infh=/dev/stdin # read from STDIN by default
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_c4_mksh_otfh=/dev/stdout # write to STDOUT by default
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_c4_mksh_bash=/usr/bin/bash # script for bash by default
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function c4.mksh {
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local C4_MKSH_INFH="$(c4.s.first "$C4_MKSH_INFH" "$_c4_mksh_infh" /dev/stdin)"
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local C4_MKSH_OTFH="$(c4.s.first "$1" "$C4_MKSH_OTFH" "$_c4_mksh_otfh" /dev/stdout)"
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local C4_MKSH_BASH="$(c4.s.first "$2" "$C4_MKSH_BASH" "$_c4_mksh_bash" /usr/bin/bash)"
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printf '#!%s'"\n" "$C4_MKSH_BASH" >$C4_MKSH_OTFH
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while IFS= read -r line; do
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echo "$line" >> $C4_MKSH_OTFH
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done <$C4_MKSH_INFH
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# set the executable bit when making a regular file
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test -f $C4_MKSH_OTFH && chmod a+x $C4_MKSH_OTFH
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}
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# run command on rhost via ssh when not on rhost
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_c4_ssh_debug="$(c4.s.first "$_C4_SSH_DEBUG" "$C4_DEBUG")"
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_C4_SSH="${_C4_SSH:-ssh}"
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function c4.ssh {
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local host="$1"; shift;
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if c4.gw_is_localhost "$host" ; then # run locally
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if test -z "$_c4_ssh_debug" ; then
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$@
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else
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echo "$@"
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fi
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else # use ssh
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local sshcmd="$( printf '%s %s' \
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"$(c4.s.first $C4_SSH $_C4_SSH "ssh")" \
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"$(c4.fqn "$host" )" \
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)";
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if test -z "$_c4_ssh_debug" ; then
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$sshcmd $@
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else
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echo "$sshcmd $@"
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fi
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fi
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#local rhost="$( c4.gw_is_localhost "$1" && echo $1 )"
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}
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# run command on rhost via ssh when not on rhost
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_c4_ssh_debug="$(c4.s.first "$_C4_SSH_DEBUG" "$C4_DEBUG")"
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_C4_SSH="${_C4_SSH:-ssh}"
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function c4.ssh2 {
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if test -z "$1" ; then
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echo "WF:C4.ssh empty or mssing hostname" 1>&2
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return 1;
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fi
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_c4_ssh_hi=$1; shift;
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_c4_ssh_ho=
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_c4_ssh_hs=
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_c4_ssh_hc=
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# ensure we have both long and short name
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if echo "$_c4_ssh_hi" | grep \. 1>/dev/null ; then
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# TODO: could be smarter, given e.g. x.gw10.foo and is10 are gw10
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_c4_ssh_hs="$( echo "$_c4_ssh_hi" | cut -d '.' -f 1 )"
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_c4_ssh_ho="$_c4_ssh_hi";
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else
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_c4_hs="$_c4_ssh_hin";
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_c4_ho="$( c4.fqn $_c4_hs )";
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fi
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if test "$C4_GW" != "$_c4_ssh_hs" ; then
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_c4_ssh_hc="$(printf '%s %s ' "$_C4_SSH" "$_c4_ssh_ho")";
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fi
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if test -z "$_c4_ssh_debug" ; then
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$_c4_ssh_hc"$@"
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else
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#echo "$_c4_ssh_hc"'"'"$@"'"'
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local pre=
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local post=
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if test -n "$_c4_ssh_hc" ; then
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pre="'"
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post="'"
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fi
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echo "$_c4_ssh_hc$pre$@$post"
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fi
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}
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## run mkdir locally if the given spoke is up, otherwise use SSH
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_c4_mkdir_debug="$(c4.s.first "$_C4_MKDIR_DEBUG" "$C4_DEBUG")"
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function c4.mkdir {
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_c4_mkdir_islocal="$(
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c4.s.host "$(
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c4.s.firstmatch ! - "$@"
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)"
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)"
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if test -n "$_c4_mkdir_islocal" ; then
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if test -z "$_c4_mkdir_debug" ; then
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mkdir $@
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else
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echo mkdir $@
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fi
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else
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c4.ssh mkdir $@
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fi
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}
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##
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_c4_rsync_debug="$(c4.s.first "$_C4_RSYNC_DEBUG" "$C4_DEBUG")"
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function c4.rsync {
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local m== "$( c4.s.firstmatch ":" "$@" )";
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if test -n "$m" ; then
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m="$(echo "$m" | cut -d ':' -f 1)"
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else
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m="$(c4.s.host "$( c4.s.firstmatch ! ^ - "$@" )")"
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fi
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if test -n "$m" && c4.gw_is_localhost "$m"; then
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if test -z "$_c4_rsync_debug" ; then
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echo TROUBLE mkdir $@
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else
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echo mkdir $@
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fi
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else
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c4.ssh mkdir $@
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fi
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}
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# run command on rhost via ssh when not on rhost
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_c4_cmd_debug="$(c4.s.first "$_C4_CMD_DEBUG" "$C4_DEBUG")"
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# function c4.cmd {
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# _c4_mkdir_islocal="$(
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# c4.s.host "$(
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# c4.s.firstmatch ! - "$@"
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# )"
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# )"
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# if test -n "$_c4_mkdir_islocal" ; then
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# if test -z "$_c4_rsync_debug" ; then
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# $_c4__cmdpre $@
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# else
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# echo $_c4__cmdpre $@
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# fi
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#}
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# run rsync on rhost via ssh when not on rhost
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# function c4.rsync {
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# if test -z "$_c4_rsync_debug" ; then
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# $_c4_rsync_ssh $@
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# else
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# echo $_c4_rsync_ssh $@
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# fi
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# }
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### IDENTITY
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### - bootstrapping
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@ -594,22 +485,57 @@ function c4.i.gn_max () {
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printf '%d' $C4_I_GN_MAX
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}
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C4_I_GN_SKIP=
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function c4.i.gn_skip {
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local gn=$1;
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#if test -z "$gn" -o ! "$gn" -gt "0"
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if test -n "$1" -o -z "$C4_I_GN_SKIP"; then
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C4_I_GN_SKIP="$(c4.i.vals gn skip)";
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fi
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echo $C4_I_GN_SKIP
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}
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## return first identifier from source
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## where SOURCE is a readable file
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function c4.i.val {
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C4_I_GN_SKIPPED=()
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function c4.i.gn_skipped {
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local gn=$1;
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if test -z "$C4_I_GN_SKIPPED"; then
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C4_I_GN_SKIPPED[$gn]=1
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if test -n "$gn" \
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-a 0 -lt "$gn" \
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-a $(c4.i.gn_min) -le "$gn" \
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-a $(c4.i.gn_max) -ge "$gn" \
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>/dev/null 2>&1; then
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C4_I_GN_SKIPPED[$gn]=0
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local n;
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for n in $(c4.i.gn_skip) ; do
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if test "$gn" == "$n" ; then
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C4_I_GN_SKIPPED[$gn]=1;
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break
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fi
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done
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fi
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fi
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test 0 -eq "${C4_I_GN_SKIPPED[$gn]}"
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}
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## check validity/availability of a node
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_c4_is_gn=
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#function c4.i.is_gn {
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#seq "$(<.min)" "$(<.max)" | grep -v "$( perl -le 'printf q{\(%s\)}, join q{\|}, map {chomp;$_} <>' <.skip )" | grep "$(hostname -s | tr -d '[[:alpha:]]')" >/dev/null 2>&1 && echo OK
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#}
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function c4.fa_src {
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local src #="$(case $# in 1) $1 ;; *) $( c4.i.of $@ ) ;; esac) 1)"; shift;
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case $# in
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1) src=$1 ;;
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*) src=$( c4.i.of $@ ) ;;
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esac
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test -n "$src" && printf "%s" "$src"
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}
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## return first identifier from source
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## where SOURCE is a readable file
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function c4.i.val {
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local src=$( c4.fa_src $@ )
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if test ! -r "$src" ; then
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# || test 0 == "$(file "$src" | grep text >2 2>&1; echo $?)"
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echo "WARN" "C4R${C4_RUN}${C4_TR}_VAL: missing SRC" >&2 # LOG
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@ -618,21 +544,71 @@ function c4.i.val {
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head -1 $src
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}
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## return source identifiers
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## where SOURCE is a readable file
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function c4.i.vals {
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local src=$( c4.fa_src $@ )
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if test ! -r "$src" ; then
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echo "WARN" "C4R${C4_RUN}${C4_TR}_VAL: missing SRC" >&2 # LOG
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return 1;
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fi
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cat $src
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}
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## call COMMAND for each identifier from SOURCE
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## where SOURCE is a readable file
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function c4.i.for {
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local src="$1"; shift;
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local src=$( c4.fa_src $1 )
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if test ! -r "$src" ; then
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# || test 0 == "$(file "$src" | grep text >2 2>&1; echo $?)"
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echo "WARN" "C4R${C4_RUN}${C4_TR}_FOR: missing SRC" >&2 # LOG
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||||
return 1;
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||||
fi
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local line=;
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||||
while read line ; do
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||||
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||||
local line=; while read line ; do
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||||
$@ "'""$line""'"
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||||
done <$src
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||||
}
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||||
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function c4.i.autosave {
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test -z "$C4_I_INHIBIT_AUTOSAVE" \
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|| return;
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||||
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local src=$( c4.fa_src $1 ); shift
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if test ! -r "$src" ; then
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echo "WARN" "C4R${C4_RUN}${C4_TR}_AUTOSAVE: missing SRC" >&2 # LOG
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return 1;
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fi
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||||
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cp $src $src~
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}
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||||
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function c4.i.clear {
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local src=$( c4.fa_src $1 ); shift
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||||
if test ! -r "$src" ; then
|
||||
echo "WARN" "C4R${C4_RUN}${C4_TR}_CLEAR: missing SRC" >&2 # LOG
|
||||
return 1;
|
||||
fi
|
||||
c4.i.autosave $src
|
||||
printf ''>$src
|
||||
}
|
||||
|
||||
function c4.i.set {
|
||||
local src=$( c4.fa_src $1 ); shift
|
||||
if test ! -r "$src" ; then
|
||||
echo "WARN" "C4R${C4_RUN}${C4_TR}_SET: missing SRC" >&2 # LOG
|
||||
return 1;
|
||||
fi
|
||||
|
||||
c4.i.clear $src # clear handles autosave (when not inhibitied)
|
||||
|
||||
local v;
|
||||
for v in "$@" ; do
|
||||
printf '%s'"\n" "$v" >>$src
|
||||
done
|
||||
}
|
||||
|
||||
|
||||
|
||||
## return identity source of [[ <context1> [...]] query
|
||||
## where QUERY (and CONTEXT1, etc, if provided) are words
|
||||
function c4.i.of {
|
||||
|
|
@ -705,9 +681,117 @@ function c4.s.sshfs {
|
|||
echo "WARN" "C4R${C4_RUN}S_SSHFS: missing or non-directory TO \"$2\" (FROM \"$1\")" >&2 # LOG
|
||||
return 1;
|
||||
fi
|
||||
: $C4_S_SSHFS_CMD $C4_S_SSHFS_OPT $@
|
||||
$C4_S_SSHFS_CMD $C4_S_SSHFS_OPT $@
|
||||
}
|
||||
|
||||
## run mkdir locally if the given spoke is up, otherwise use SSH
|
||||
_c4_mkdir_debug="$(c4.s.first "$_C4_MKDIR_DEBUG" "$C4_DEBUG")"
|
||||
function c4.mkdir {
|
||||
_c4_mkdir_islocal="$(
|
||||
c4.s.host "$(
|
||||
c4.s.firstmatch ! - "$@"
|
||||
)"
|
||||
)"
|
||||
if test -n "$_c4_mkdir_islocal" ; then
|
||||
if test -z "$_c4_mkdir_debug" ; then
|
||||
mkdir $@
|
||||
else
|
||||
echo mkdir $@
|
||||
fi
|
||||
else
|
||||
c4.ssh mkdir $@
|
||||
fi
|
||||
}
|
||||
|
||||
## Create a shell script by reading STDIN
|
||||
_c4_mksh_infh=/dev/stdin # read from STDIN by default
|
||||
_c4_mksh_otfh=/dev/stdout # write to STDOUT by default
|
||||
_c4_mksh_bash=/usr/bin/bash # script for bash by default
|
||||
function c4.mksh {
|
||||
local C4_MKSH_INFH="$(c4.s.first "$C4_MKSH_INFH" "$_c4_mksh_infh" /dev/stdin)"
|
||||
local C4_MKSH_OTFH="$(c4.s.first "$1" "$C4_MKSH_OTFH" "$_c4_mksh_otfh" /dev/stdout)"
|
||||
local C4_MKSH_BASH="$(c4.s.first "$2" "$C4_MKSH_BASH" "$_c4_mksh_bash" /usr/bin/bash)"
|
||||
|
||||
printf '#!%s'"\n" "$C4_MKSH_BASH" >$C4_MKSH_OTFH
|
||||
|
||||
while IFS= read -r line; do
|
||||
echo "$line" >> $C4_MKSH_OTFH
|
||||
done <$C4_MKSH_INFH
|
||||
|
||||
# set the executable bit when making a regular file
|
||||
test -f $C4_MKSH_OTFH && chmod a+x $C4_MKSH_OTFH
|
||||
}
|
||||
|
||||
# run command on rhost via ssh when not on rhost
|
||||
_c4_ssh_debug="$(c4.s.first "$_C4_SSH_DEBUG" "$C4_DEBUG")"
|
||||
_C4_SSH="${_C4_SSH:-ssh}"
|
||||
function c4.ssh {
|
||||
local host="$1"; shift;
|
||||
if c4.gw_is_localhost "$host" ; then # run locally
|
||||
if test -z "$_c4_ssh_debug" ; then
|
||||
$@
|
||||
else
|
||||
echo "$@"
|
||||
fi
|
||||
else # use ssh
|
||||
local sshcmd="$( printf '%s %s' \
|
||||
"$(c4.s.first $C4_SSH $_C4_SSH "ssh")" \
|
||||
"$(c4.fqn "$host" )" \
|
||||
)";
|
||||
if test -z "$_c4_ssh_debug" ; then
|
||||
$sshcmd $@
|
||||
else
|
||||
echo "$sshcmd $@"
|
||||
fi
|
||||
fi
|
||||
}
|
||||
|
||||
##
|
||||
_c4_rsync_debug="$(c4.s.first "$_C4_RSYNC_DEBUG" "$C4_DEBUG")"
|
||||
function c4.rsync {
|
||||
local m== "$( c4.s.firstmatch ":" "$@" )";
|
||||
if test -n "$m" ; then
|
||||
m="$(echo "$m" | cut -d ':' -f 1)"
|
||||
else
|
||||
m="$(c4.s.host "$( c4.s.firstmatch ! ^ - "$@" )")"
|
||||
fi
|
||||
if test -n "$m" && c4.gw_is_localhost "$m"; then
|
||||
if test -z "$_c4_rsync_debug" ; then
|
||||
echo TROUBLE mkdir $@
|
||||
else
|
||||
echo mkdir $@
|
||||
fi
|
||||
else
|
||||
c4.ssh mkdir $@
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
# run command on rhost via ssh when not on rhost
|
||||
_c4_cmd_debug="$(c4.s.first "$_C4_CMD_DEBUG" "$C4_DEBUG")"
|
||||
# function c4.cmd {
|
||||
# _c4_mkdir_islocal="$(
|
||||
# c4.s.host "$(
|
||||
# c4.s.firstmatch ! - "$@"
|
||||
# )"
|
||||
# )"
|
||||
# if test -n "$_c4_mkdir_islocal" ; then
|
||||
# if test -z "$_c4_rsync_debug" ; then
|
||||
# $_c4__cmdpre $@
|
||||
# else
|
||||
# echo $_c4__cmdpre $@
|
||||
# fi
|
||||
#}
|
||||
|
||||
# run rsync on rhost via ssh when not on rhost
|
||||
# function c4.rsync {
|
||||
# if test -z "$_c4_rsync_debug" ; then
|
||||
# $_c4_rsync_ssh $@
|
||||
# else
|
||||
# echo $_c4_rsync_ssh $@
|
||||
# fi
|
||||
# }
|
||||
|
||||
####
|
||||
#### END
|
||||
####
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue