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| author | Jason A. Donenfeld <Jason@zx2c4.com> | 2014-02-12 03:30:10 +0100 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2014-02-12 01:10:31 -0500 |
| commit | f366d58dc1fe51b300167446597750d29687c3c5 (patch) | |
| tree | 4dc0b0e4575dcf9ade9a0e2b9b1dd73c99bb3292 /src/shared | |
| parent | db999e0f923ca6c2c1b919d0f1c916472f209e62 (diff) | |
pager: support SYSTEMD_LESS environment variable
This allows customization of the arguments used by less. The main
motivation is that some folks might not like having --no-init on every
invocation of less.
Diffstat (limited to 'src/shared')
| -rw-r--r-- | src/shared/pager.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/shared/pager.c b/src/shared/pager.c index 72a29f2285..55b13d6ff6 100644 --- a/src/shared/pager.c +++ b/src/shared/pager.c @@ -84,14 +84,17 @@ int pager_open(bool jump_to_end) { /* In the child start the pager */ if (pager_pid == 0) { + const char* less_opts; dup2(fd[0], STDIN_FILENO); close_pipe(fd); + less_opts = getenv("SYSTEMD_LESS"); + if (!less_opts) + less_opts = "FRSXMK"; if (jump_to_end) - setenv("LESS", "FRSXMK+G", 1); - else - setenv("LESS", "FRSXMK", 1); + less_opts = strappenda(less_opts, " +G"); + setenv("LESS", less_opts, 1); /* Make sure the pager goes away when the parent dies */ if (prctl(PR_SET_PDEATHSIG, SIGTERM) < 0) |