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author | davidovski <david@davidovski.xyz> | 2022-06-27 01:14:42 +0100 |
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committer | davidovski <david@davidovski.xyz> | 2022-06-27 01:14:42 +0100 |
commit | 7bba6cd7612293796e905885f9ed3072877798ab (patch) | |
tree | dd01942dbdd474a4df62ecf74479f5e78d83f1c8 /src/tools/default-jvm.sh | |
parent | 79fb6f41104cd0d88891598ddfc3c30d1bb0352d (diff) |
added shmk, building all with shmk
Diffstat (limited to 'src/tools/default-jvm.sh')
-rwxr-xr-x | src/tools/default-jvm.sh | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/tools/default-jvm.sh b/src/tools/default-jvm.sh new file mode 100755 index 0000000..56c427c --- /dev/null +++ b/src/tools/default-jvm.sh @@ -0,0 +1,52 @@ +#!/bin/sh +JVM_DIR=/usr/lib/jvm +JAVA_BIN=/bin/java + +usage () { + cat << EOF +xilinux-java + Print the name of the currently linked jvm + non-zero exit code if none is linked + +xilinux-java [name] + create symlinks to /usr/lib/jvm/[name]/bin to /bin + +xilinux-java [-l] + list installed JVMs +EOF +} + +get () { + [ -h "$JAVA_BIN" ] && { + path=$(readlink "$JAVA_BIN") + path=${path%%/bin/java} + path=${path##*/} + echo $path + } +} + +link () { + [ -d "$1" ] && for bin in $1/bin/*; do + ln -sf $bin /bin/${bin##*/} + done +} + + +[ "$#" = "0" ] && { + get || return 1 +} || { + case "$1" in + "-l"|"--list") + ls -1 $JVM_DIR + ;; + "-h"|"--help") + usage + ;; + *) + link $1 \ + || link $JVM_DIR/$1 \ + || get + ;; + esac +} + |