37 lines
991 B
Bash
37 lines
991 B
Bash
#!/usr/bin/env bash
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# Bash completion for Makefile
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# Loosely adapted from http://stackoverflow.com/a/38415982/1472048
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_makecomplete() {
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COMPREPLY=()
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# https://www.gnu.org/software/make/manual/html_node/Makefile-Names.html
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local files=()
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while IFS='' read -r line; do
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files+=("$line")
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done < <(find . -maxdepth 1 -regextype posix-extended -regex '.*(GNU)?[Mm]akefile$' -printf '%f\n')
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[ "${#files[@]}" -eq 0 ] && return 0
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# collect all targets
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local targets=()
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for f in "${files[@]}" ; do
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while IFS='' read -r line ; do
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targets+=("$line")
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done < <(grep -oE '^[a-zA-Z0-9_-]+:([^=]|$)' "$f" | cut -d':' -f1)
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done
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[ "${#targets[@]}" -eq 0 ] && return 0
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# use the targets for completion
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while IFS='' read -r line ; do
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COMPREPLY+=("$line")
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done < <(compgen -W "$(tr ' ' '\n' <<<"${targets[@]}" | sort -u)" -- "${COMP_WORDS[COMP_CWORD]}")
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return 0
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}
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complete -o nospace -F _makecomplete make
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complete -o nospace -F _makecomplete gnumake
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