Root/
| Source at commit 49231b50e4583201bf2fce9e3312f09cea8b3aa0 created 3 years 3 months ago. By Luciano M. F. Rocha, repath: ignore stuff under /usr/java that isn't a jdk or jre | |
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| 1 | # # vim:filetype=sh: |
| 2 | # .bashrc with functions for non- and interactive and login shells |
| 3 | # current functions are only adding/inserting to $env, and PATH, etc. |
| 4 | # construction |
| 5 | |
| 6 | ## doc: check if executable exists |
| 7 | _exists() |
| 8 | { |
| 9 | [ -n "$1" ] && type -P "$1" &> /dev/null |
| 10 | } |
| 11 | |
| 12 | ## doc: convert text (xh ym zs) to seconds |
| 13 | _str2time() |
| 14 | { |
| 15 | echo $(($(echo " $*" | sed -e 's/s/ * 1 +/g' -e 's/m/ * 60 +/g' \ |
| 16 | -e 's/h/ * 3600 +/g') + 0)) |
| 17 | } |
| 18 | |
| 19 | ## doc: check if program/pid exists |
| 20 | running() |
| 21 | { |
| 22 | kill -0 $* &> /dev/null |
| 23 | } |
| 24 | |
| 25 | ## doc: repeat n.m ...: repeat execution n times (in m intervals) |
| 26 | repeat() { |
| 27 | local n t c |
| 28 | n="$1" |
| 29 | shift |
| 30 | |
| 31 | if [ -z "${n##*.*}" ]; then |
| 32 | t=$(_str2time ${n##*.}) |
| 33 | n="${n%%.*}" |
| 34 | else |
| 35 | t=0 |
| 36 | fi |
| 37 | |
| 38 | while [ -z "$n" ] || [ "$((n--))" -gt 0 ]; do |
| 39 | "$@" |
| 40 | sleep $t |
| 41 | done |
| 42 | } |
| 43 | |
| 44 | ## doc: retry ...: execute command, and re-execute until it succeeds |
| 45 | retry() { |
| 46 | local cmd="$1" |
| 47 | shift |
| 48 | |
| 49 | if [ -z "$cmd" ]; then |
| 50 | echo "retry cmd [args]" 1>&2 |
| 51 | return 1 |
| 52 | fi |
| 53 | |
| 54 | if ! type "$cmd" &> /dev/null; then |
| 55 | echo "can't find command $cmd" 1>&2 |
| 56 | return 1 |
| 57 | fi |
| 58 | |
| 59 | while ! "$cmd" "$@"; do |
| 60 | sleep 1; |
| 61 | done |
| 62 | } |
| 63 | |
| 64 | ## doc: define $I_ARCH, $I_PREFIX_NOARCH, $I_PREFIX_ARCH depending on machine |
| 65 | getarch() |
| 66 | { |
| 67 | local arch u |
| 68 | |
| 69 | ## don't redo |
| 70 | [ -z "$I_ARCH" ] || return 0 |
| 71 | |
| 72 | for u in -m -i -p; do |
| 73 | arch=$(uname $u 2>/dev/null) |
| 74 | [ -n "$arch" ] && [ "$arch" != unknown ] && break |
| 75 | done |
| 76 | |
| 77 | unset I_ARCH_EXTRA |
| 78 | |
| 79 | case "$arch" in |
| 80 | i[3456]86) |
| 81 | arch=i386 |
| 82 | ;; |
| 83 | x86_64) |
| 84 | export I_ARCH_EXTRA=i386 |
| 85 | ;; |
| 86 | ?ower*64|ppc64) |
| 87 | arch=ppc64 |
| 88 | export I_ARCH_EXTRA=ppc |
| 89 | ;; |
| 90 | ?ower*|ppc) |
| 91 | arch=ppc |
| 92 | ;; |
| 93 | esac |
| 94 | export I_ARCH=$arch I_PREFIX_NOARCH=$HOME/opt/noarch \ |
| 95 | I_PREFIX_ARCH=$HOME/opt/$arch |
| 96 | } |
| 97 | |
| 98 | |
| 99 | ## doc: rescan opt dir and define paths |
| 100 | repath() |
| 101 | { |
| 102 | envappend PATH /usr/local/bin /usr/bin /bin |
| 103 | envappend PATH /usr/local/sbin /usr/sbin /sbin |
| 104 | [ -n "$PATH_LOCAL" ] && envinsert PATH "${PATH_LOCAL[@]}" |
| 105 | |
| 106 | getarch |
| 107 | addarch noarch $I_ARCH_EXTRA $I_ARCH |
| 108 | |
| 109 | addjava /usr/java/{default,latest,jdk,jre}* |
| 110 | } |
| 111 | |
| 112 | ## environment support functions |
| 113 | envisin() |
| 114 | { |
| 115 | local str |
| 116 | str=":$1:" |
| 117 | [ -z "${str%%*:$2:*}" ] |
| 118 | } |
| 119 | |
| 120 | envput() |
| 121 | { |
| 122 | local env check new where old sep arg |
| 123 | |
| 124 | # args |
| 125 | where="$1" |
| 126 | env="$2" |
| 127 | shift 2 |
| 128 | |
| 129 | new="" |
| 130 | old=":${!env}:" |
| 131 | for arg; do |
| 132 | [ -d "$arg" ] || continue |
| 133 | ## remove from old |
| 134 | old="${old//:$arg:/:}" |
| 135 | ## add to new, if not yet in new |
| 136 | envisin "$new" "$arg" || new="${new:+$new:}$arg" |
| 137 | done |
| 138 | #until [ "${old/#:}" = "$old" ]; do old="${old/#:}"; done |
| 139 | #until [ "${old/%:}" = "$old" ]; do old="${old/%:}"; done |
| 140 | if [ -n "$new" ]; then |
| 141 | old="${old/#:}" |
| 142 | old="${old/%:}" |
| 143 | if [ "$where" = after ]; then |
| 144 | eval "$env"="${old:+$old:}$new" |
| 145 | else |
| 146 | eval "$env"="$new${old:+:$old}" |
| 147 | fi |
| 148 | export $env |
| 149 | fi |
| 150 | } |
| 151 | |
| 152 | ## doc: insert path in environment variable |
| 153 | envinsert() |
| 154 | { |
| 155 | envput before "$@" |
| 156 | } |
| 157 | |
| 158 | ## doc: append path to environment variable |
| 159 | envappend() |
| 160 | { |
| 161 | envput after "$@" |
| 162 | } |
| 163 | |
| 164 | ## scan architecture-dependent opt dir |
| 165 | addarch() |
| 166 | { |
| 167 | local arch dir |
| 168 | for arch; do |
| 169 | [ -d "$HOME/opt/$arch" ] || continue |
| 170 | for dir in $HOME/opt/$arch/*; do |
| 171 | [ -d "$dir" ] || continue |
| 172 | [ -d "$dir/bin" ] || envinsert PATH "$dir" |
| 173 | envinsert PATH "$dir"/{bin,sbin} |
| 174 | envinsert PERL5LIB "$dir"/lib{64,}/perl5{/site_perl,} |
| 175 | envinsert CPATH "$dir"/include |
| 176 | envinsert LIBRARY_PATH "$dir"/lib{64,} |
| 177 | envinsert PKG_CONFIG_PATH "$dir"/lib{64,}/pkgconfig |
| 178 | envinsert PYTHONPATH "$dir"/lib{64,}/python* \ |
| 179 | "$dir"/lib{64,}/python*/site-packages |
| 180 | done |
| 181 | done |
| 182 | export PATH |
| 183 | } |
| 184 | |
| 185 | ## search for java |
| 186 | addjava() |
| 187 | { |
| 188 | local dir javac java |
| 189 | |
| 190 | javac="" |
| 191 | java="" |
| 192 | |
| 193 | for dir; do |
| 194 | if [ -e "$dir"/bin/javac -a -z "$javac" ]; then |
| 195 | javac="$dir" |
| 196 | fi |
| 197 | if [ -e "$dir"/bin/java -a -z "$java" ]; then |
| 198 | java="$dir" |
| 199 | fi |
| 200 | done |
| 201 | if [ -n "$javac" ]; then |
| 202 | export JAVA_HOME="$javac" |
| 203 | envinsert PATH "$javac/bin" |
| 204 | elif [ -n "$java" ]; then |
| 205 | export JAVA_HOME="$java" |
| 206 | envinsert PATH "$java/bin" |
| 207 | fi |
| 208 | } |
| 209 | |
