4005cd05ea
the script is now split up in parts that will be fetched from github on demand. fixes #4047
40 lines
1.1 KiB
Bash
40 lines
1.1 KiB
Bash
#!/usr/bin/env bash
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# to be included by install.sh
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# Deconstruct a given path string, applies bash expansion and remove all
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# remaining relative fragments (e.g. "." or "..").
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# Writes the result in the two given variable names, first is the portion
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# with the existing path and the second contains the structure relative to the
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# existing path, that'd have to be created.
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# usage:
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# sanitize_path "~/some/path/string" "EXISTING_VAR_NAME" "REL_NEW_PATH_NAME"
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sanitize_path() {
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# apply bash expansion
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eval _path=$1
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_existing_path_var=$2
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_rel_new_segment_var=$3
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_new_segment=""
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_chk=1
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_test_cmd='test -d "$_path" -a -n "$_path"'
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$(eval $_test_cmd) && _chk=0
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while [ $_chk -ne 0 ] ; do
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# path doesn't exist, split it up
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_segment="$(basename $_path)/$_segment"
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_path="$(dirname $_path)"
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$(eval $_test_cmd) && _chk=0
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done
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# remove relative fragments
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_path="$(realpath $_path)/"
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log_dbg "pt1 - existing path: $_path"
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log_dbg "pt2 - new path: $_segment"
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eval "$_existing_path_var=\"$_path\""
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eval "$_rel_new_segment_var=\"$_segment\""
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}
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