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| author | Martijn Dekker <martijn@inlv.org> | 2018-03-06 17:40:37 +0000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-03-10 16:01:43 +0800 |
| commit | 81a501b7fbcff8da004251a85a8f948263254aa5 (patch) | |
| tree | 6b602b223b1ada208dc6718bc91a5fcf3c0d776d /src/show.h | |
| parent | histedit: fix build with musl libc (diff) | |
| download | dash-81a501b7fbcff8da004251a85a8f948263254aa5.tar.gz dash-81a501b7fbcff8da004251a85a8f948263254aa5.zip | |
expand: 'nolog' and 'debug' options cause "$-" to wreak havoc
Op 29-03-17 om 20:02 schreef Martijn Dekker: > Bug: if either the 'nolog' or the 'debug' option is set, trying to > expand "$-" silently aborts parsing of an entire argument. > > $ dash -o nolog -c 'set -fuC; echo "|$- are the options|"; \ > set +o nolog; echo "|$- are the options|"' > | > |uCf are the options| > $ dash -o debug -c 'set -fuC; echo "|$- are the options|"; \ > set +o debug; echo "|$- are the options|"' > | > |uCf are the options| This turned out to be easy to fix. The routine producing the "$-" expansion failed to skip options for which there is no option letter, but only a long-form name. In dash, 'nolog' and 'debug' are currently the only two such options. Patch below. - Martijn Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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