diff options
Diffstat (limited to 'nixpkgs/doc/stdenv/stdenv.chapter.md')
| -rw-r--r-- | nixpkgs/doc/stdenv/stdenv.chapter.md | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/nixpkgs/doc/stdenv/stdenv.chapter.md b/nixpkgs/doc/stdenv/stdenv.chapter.md index a5981d2efbe8..a948c6757c4a 100644 --- a/nixpkgs/doc/stdenv/stdenv.chapter.md +++ b/nixpkgs/doc/stdenv/stdenv.chapter.md @@ -230,9 +230,9 @@ stdenv.mkDerivation rec { postInstall = '' substituteInPlace $out/bin/solo5-virtio-mkimage \ - --replace "/usr/lib/syslinux" "${syslinux}/share/syslinux" \ - --replace "/usr/share/syslinux" "${syslinux}/share/syslinux" \ - --replace "cp " "cp --no-preserve=mode " + --replace-fail "/usr/lib/syslinux" "${syslinux}/share/syslinux" \ + --replace-fail "/usr/share/syslinux" "${syslinux}/share/syslinux" \ + --replace-fail "cp " "cp --no-preserve=mode " wrapProgram $out/bin/solo5-virtio-mkimage \ --prefix PATH : ${lib.makeBinPath [ dosfstools mtools parted syslinux ]} @@ -1253,9 +1253,20 @@ postInstall = '' Performs string substitution on the contents of \<infile\>, writing the result to \<outfile\>. The substitutions in \<subs\> are of the following form: -#### `--replace` \<s1\> \<s2\> {#fun-substitute-replace} +#### `--replace-fail` \<s1\> \<s2\> {#fun-substitute-replace-fail} Replace every occurrence of the string \<s1\> by \<s2\>. +Will error if no change is made. + +#### `--replace-warn` \<s1\> \<s2\> {#fun-substitute-replace-warn} + +Replace every occurrence of the string \<s1\> by \<s2\>. +Will print a warning if no change is made. + +#### `--replace-quiet` \<s1\> \<s2\> {#fun-substitute-replace-quiet} + +Replace every occurrence of the string \<s1\> by \<s2\>. +Will do nothing if no change can be made. #### `--subst-var` \<varName\> {#fun-substitute-subst-var} @@ -1269,8 +1280,8 @@ Example: ```shell substitute ./foo.in ./foo.out \ - --replace /usr/bin/bar $bar/bin/bar \ - --replace "a string containing spaces" "some other text" \ + --replace-fail /usr/bin/bar $bar/bin/bar \ + --replace-fail "a string containing spaces" "some other text" \ --subst-var someVar ``` |